Compare commits
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ebae99811b
| Author | SHA1 | Date | |
|---|---|---|---|
 nullndvoid
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ebae99811b | ||
 zxq5
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77331f65ab | ||
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zxq5
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6f2bb477ac | ||
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zxq5
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d87bf6bbb0 | ||
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zxq5
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449612ac19 | ||
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zxq5
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987c2b4b9a | ||
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zxq5
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a55dfe616e | ||
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zxq5
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2c44f48232 | ||
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nullndvoid
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00a28e7711 |
@@ -0,0 +1,7 @@
|
||||
[build]
|
||||
rustc-wrapper = "sccache"
|
||||
# Enable to cut unused deps.
|
||||
# rustflags = ["-D", "unused-crate-dependencies"]
|
||||
|
||||
[future-incompat-report]
|
||||
frequency = "always"
|
||||
Generated
+171
-27
@@ -165,6 +165,56 @@ dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstream"
|
||||
version = "0.6.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "301af1932e46185686725e0fad2f8f2aa7da69dd70bf6ecc44d6b703844a3933"
|
||||
dependencies = [
|
||||
"anstyle",
|
||||
"anstyle-parse",
|
||||
"anstyle-query",
|
||||
"anstyle-wincon",
|
||||
"colorchoice",
|
||||
"is_terminal_polyfill",
|
||||
"utf8parse",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle"
|
||||
version = "1.0.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "862ed96ca487e809f1c8e5a8447f6ee2cf102f846893800b20cebdf541fc6bbd"
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-parse"
|
||||
version = "0.2.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4e7644824f0aa2c7b9384579234ef10eb7efb6a0deb83f9630a49594dd9c15c2"
|
||||
dependencies = [
|
||||
"utf8parse",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-query"
|
||||
version = "1.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6c8bdeb6047d8983be085bab0ba1472e6dc604e7041dbf6fcd5e71523014fae9"
|
||||
dependencies = [
|
||||
"windows-sys 0.59.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "anstyle-wincon"
|
||||
version = "3.0.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "403f75924867bb1033c59fbf0797484329750cfbe3c4325cd33127941fabc882"
|
||||
dependencies = [
|
||||
"anstyle",
|
||||
"once_cell_polyfill",
|
||||
"windows-sys 0.59.0",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "arboard"
|
||||
version = "3.5.0"
|
||||
@@ -216,6 +266,7 @@ dependencies = [
|
||||
name = "assembler"
|
||||
version = "0.2.0"
|
||||
dependencies = [
|
||||
"clap",
|
||||
"common",
|
||||
"num_cpus",
|
||||
"threadpool",
|
||||
@@ -424,9 +475,9 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
name = "autocfg"
|
||||
version = "1.4.0"
|
||||
version = "1.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
|
||||
checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
|
||||
|
||||
[[package]]
|
||||
name = "bit-set"
|
||||
@@ -603,6 +654,46 @@ dependencies = [
|
||||
"libc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap"
|
||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "40b6887a1d8685cebccf115538db5c0efe625ccac9696ad45c409d96566e910f"
|
||||
dependencies = [
|
||||
"clap_builder",
|
||||
"clap_derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_builder"
|
||||
version = "4.5.40"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e0c66c08ce9f0c698cbce5c0279d0bb6ac936d8674174fe48f736533b964f59e"
|
||||
dependencies = [
|
||||
"anstream",
|
||||
"anstyle",
|
||||
"clap_lex",
|
||||
"strsim",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_derive"
|
||||
version = "4.5.40"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d2c7947ae4cc3d851207c1adb5b5e260ff0cca11446b1d6d1423788e442257ce"
|
||||
dependencies = [
|
||||
"heck",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "clap_lex"
|
||||
version = "0.7.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b94f61472cee1439c0b966b47e3aca9ae07e45d070759512cd390ea2bebc6675"
|
||||
|
||||
[[package]]
|
||||
name = "clipboard-win"
|
||||
version = "5.4.0"
|
||||
@@ -622,6 +713,12 @@ dependencies = [
|
||||
"unicode-width",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "colorchoice"
|
||||
version = "1.0.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "b05b61dc5112cbb17e4b6cd61790d9845d13888356391624cbe7e41efeac1e75"
|
||||
|
||||
[[package]]
|
||||
name = "colorful"
|
||||
version = "0.3.2"
|
||||
@@ -641,6 +738,9 @@ dependencies = [
|
||||
[[package]]
|
||||
name = "common"
|
||||
version = "0.2.0"
|
||||
dependencies = [
|
||||
"object",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "concurrent-queue"
|
||||
@@ -1091,12 +1191,12 @@ checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
|
||||
|
||||
[[package]]
|
||||
name = "errno"
|
||||
version = "0.3.12"
|
||||
version = "0.3.13"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "cea14ef9355e3beab063703aa9dab15afd25f0667c341310c1e5274bb1d0da18"
|
||||
checksum = "778e2ac28f6c47af28e4907f13ffd1e1ddbd400980a9abd7c8df189bf578a5ad"
|
||||
dependencies = [
|
||||
"libc",
|
||||
"windows-sys 0.59.0",
|
||||
"windows-sys 0.60.2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
@@ -1601,6 +1701,12 @@ dependencies = [
|
||||
"hashbrown",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "is_terminal_polyfill"
|
||||
version = "1.70.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
|
||||
|
||||
[[package]]
|
||||
name = "itoa"
|
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|
||||
@@ -1641,9 +1747,9 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
name = "jpeg-decoder"
|
||||
version = "0.3.1"
|
||||
version = "0.3.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "f5d4a7da358eff58addd2877a45865158f0d78c911d43a5784ceb7bbf52833b0"
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||||
checksum = "00810f1d8b74be64b13dbf3db89ac67740615d6c891f0e7b6179326533011a07"
|
||||
|
||||
[[package]]
|
||||
name = "js-sys"
|
||||
@@ -1674,9 +1780,9 @@ checksum = "e2db585e1d738fc771bf08a151420d3ed193d9d895a36df7f6f8a9456b911ddc"
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.173"
|
||||
version = "0.2.174"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d8cfeafaffdbc32176b64fb251369d52ea9f0a8fbc6f8759edffef7b525d64bb"
|
||||
checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
|
||||
|
||||
[[package]]
|
||||
name = "libloading"
|
||||
@@ -1909,18 +2015,19 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
name = "num_enum"
|
||||
version = "0.7.3"
|
||||
version = "0.7.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "4e613fc340b2220f734a8595782c551f1250e969d87d3be1ae0579e8d4065179"
|
||||
checksum = "a973b4e44ce6cad84ce69d797acf9a044532e4184c4f267913d1b546a0727b7a"
|
||||
dependencies = [
|
||||
"num_enum_derive",
|
||||
"rustversion",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num_enum_derive"
|
||||
version = "0.7.3"
|
||||
version = "0.7.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "af1844ef2428cc3e1cb900be36181049ef3d3193c63e43026cfe202983b27a56"
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checksum = "77e878c846a8abae00dd069496dbe8751b16ac1c3d6bd2a7283a938e8228f90d"
|
||||
dependencies = [
|
||||
"proc-macro-crate",
|
||||
"proc-macro2",
|
||||
@@ -2208,12 +2315,31 @@ dependencies = [
|
||||
"objc2-foundation 0.2.2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "object"
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||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
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||||
dependencies = [
|
||||
"crc32fast",
|
||||
"hashbrown",
|
||||
"indexmap",
|
||||
"memchr",
|
||||
"rustc-std-workspace-alloc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "once_cell"
|
||||
version = "1.21.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
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||||
|
||||
[[package]]
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||||
name = "once_cell_polyfill"
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||||
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|
||||
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||||
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|
||||
|
||||
[[package]]
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||||
name = "option-ext"
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||||
@@ -2435,9 +2561,9 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
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|
||||
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||||
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "afbdc74edc00b6f6a218ca6a5364d6226a259d4b8ea1af4a0ea063f27e179f4d"
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checksum = "3eb8486b569e12e2c32ad3e204dbaba5e4b5b216e9367044f25f1dba42341773"
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||||
|
||||
[[package]]
|
||||
name = "quick-xml"
|
||||
@@ -2495,9 +2621,9 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
name = "r-efi"
|
||||
version = "5.2.0"
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||||
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|
||||
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checksum = "74765f6d916ee2faa39bc8e68e4f3ed8949b48cccdac59983d287a7cb71ce9c5"
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checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
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|
||||
[[package]]
|
||||
name = "rand"
|
||||
@@ -2582,6 +2708,12 @@ version = "2.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
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||||
|
||||
[[package]]
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||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "f9d441c3b2ebf55cebf796bfdc265d67fa09db17b7bb6bd4be75c509e1e8fec3"
|
||||
|
||||
[[package]]
|
||||
name = "rustix"
|
||||
version = "0.38.44"
|
||||
@@ -2831,6 +2963,12 @@ version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "6637bab7722d379c8b41ba849228d680cc12d0a45ba1fa2b48f2a30577a06731"
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||
|
||||
[[package]]
|
||||
name = "strum"
|
||||
version = "0.26.3"
|
||||
@@ -2855,9 +2993,9 @@ dependencies = [
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
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|
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checksum = "e4307e30089d6fd6aff212f2da3a1f9e32f3223b1f010fb09b7c95f90f3ca1e8"
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checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
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||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
@@ -3046,9 +3184,9 @@ dependencies = [
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||||
|
||||
[[package]]
|
||||
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@@ -3137,6 +3275,12 @@ version = "1.0.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
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[[package]]
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@@ -3987,9 +4131,9 @@ checksum = "ec107c4503ea0b4a98ef47356329af139c0a4f7750e621cf2973cd3385ebcb3d"
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[[package]]
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||||
|
||||
[[package]]
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||||
name = "xdg-home"
|
||||
@@ -4151,18 +4295,18 @@ dependencies = [
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||||
|
||||
[[package]]
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||||
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|
||||
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dependencies = [
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||||
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||||
|
||||
@@ -1,3 +1,5 @@
|
||||
cargo-features = ["codegen-backend"]
|
||||
|
||||
[workspace]
|
||||
members = ["emulator", "common", "assembler", "dsa_editor"]
|
||||
resolver = "3"
|
||||
@@ -6,3 +8,10 @@ resolver = "3"
|
||||
version = "0.2.0"
|
||||
edition = "2024"
|
||||
authors = ["zxq5", "nullndvoid"]
|
||||
|
||||
[profile.dev]
|
||||
codegen-backend = "cranelift"
|
||||
panic = "abort" # Cranelift does not support stack unwinds.
|
||||
lto = false
|
||||
debug = true
|
||||
incremental = false # sccache does not support caching incremental crates.
|
||||
|
||||
@@ -13,6 +13,7 @@ name = "assembler"
|
||||
path = "src/lib.rs"
|
||||
|
||||
[dependencies]
|
||||
clap = { version = "4.5.40", features = ["derive"] }
|
||||
common = { path = "../common" }
|
||||
num_cpus = "1.17.0"
|
||||
threadpool = "1.8.1"
|
||||
|
||||
+28
-33
@@ -1,34 +1,29 @@
|
||||
++++++++++++++++++++++++++++++++++++++++++++ c1v44 : ASCII code of comma
|
||||
>++++++++++++++++++++++++++++++++ c2v32 : ASCII code of space
|
||||
>++++++++++++++++ c3v11 : quantity of numbers to be calculated
|
||||
> c4v0 : zeroth Fibonacci number (will not be printed)
|
||||
>+ c5v1 : first Fibonacci number
|
||||
<< c3 : loop counter
|
||||
[ block : loop to print (i)th number and calculate next one
|
||||
>> c5 : the number to be printed
|
||||
|
||||
block : divide c5 by 10 (preserve c5)
|
||||
> c6v0 : service zero
|
||||
>++++++++++ c7v10 : divisor
|
||||
<< c5 : back to dividend
|
||||
[->+>-[>+>>]>[+[-<+>]>+>>]<<<<<<] c5v0 : divmod algo; results in 0 n d_n%d n%d n/d
|
||||
>[<+>-] c5 : move dividend back to c5 and clear c6
|
||||
>[-] c7v0 : clear c7
|
||||
|
||||
>> block : c9 can have two digits; divide it by ten again
|
||||
>++++++++++ c10v10: divisor
|
||||
< c9 : back to dividend
|
||||
[->-[>+>>]>[+[-<+>]>+>>]<<<<<] c9v0 : another divmod algo; results in 0 d_n%d n%d n/d
|
||||
>[-] c10v0 : clear c10
|
||||
>>[++++++++++++++++++++++++++++++++++++++++++++++++.[-]]c12v0 : print nonzero n/d (first digit) and clear c12
|
||||
<[++++++++++++++++++++++++++++++++++++++++++++++++.[-]] c11v0 : print nonzero n%d (second digit) and clear c11
|
||||
|
||||
<<<++++++++++++++++++++++++++++++++++++++++++++++++.[-] c8v0 : print any n%d (last digit) and clear c8
|
||||
<<<<<<<.>. c1c2 : print comma and space
|
||||
block : actually calculate next Fibonacci in c6
|
||||
>>[>>+<<-] c4v0 : move c4 to c6 (don't need to preserve it)
|
||||
>[>+<<+>-] c5v0 : move c5 to c6 and c4 (need to preserve it)
|
||||
>[<+>-] c6v0 : move c6 with sum to c5
|
||||
<<<- c3 : decrement loop counter
|
||||
++++++++++++++++++++++++++++++++++++++++++++
|
||||
>++++++++++++++++++++++++++++++++
|
||||
>++++++++++++++++
|
||||
>
|
||||
>+
|
||||
<<
|
||||
[
|
||||
>>
|
||||
>
|
||||
>++++++++++
|
||||
<<
|
||||
[->+>-[>+>>]>[+[-<+>]>+>>]<<<<<<]
|
||||
>[<+>-]
|
||||
>[-]
|
||||
>>
|
||||
>++++++++++
|
||||
<
|
||||
[->-[>+>>]>[+[-<+>]>+>>]<<<<<]
|
||||
>[-]
|
||||
>>[++++++++++++++++++++++++++++++++++++++++++++++++.[-]]
|
||||
<[++++++++++++++++++++++++++++++++++++++++++++++++.[-]]
|
||||
<<<++++++++++++++++++++++++++++++++++++++++++++++++.[-]
|
||||
<<<<<<<.>.
|
||||
>>[>>+<<-]
|
||||
>[>+<<+>-]
|
||||
>[<+>-]
|
||||
<<<-
|
||||
]
|
||||
<<++... c1 : output three dots
|
||||
<<++...
|
||||
|
||||
Binary file not shown.
@@ -0,0 +1,20 @@
|
||||
use clap::{Parser, ValueEnum};
|
||||
|
||||
#[derive(Debug, Parser, Default)]
|
||||
pub struct Args {
|
||||
/// The output format to assemble to. Currently just ELF or a flat binary.
|
||||
#[arg(value_enum)]
|
||||
output_format: Option<OutputFormat>,
|
||||
/// Whether the relocatable object files should be statically linked into a single executable or library.
|
||||
link: bool,
|
||||
}
|
||||
|
||||
#[derive(Debug, Clone, Copy, ValueEnum, Default)]
|
||||
/// The executable format the output should take.
|
||||
pub enum OutputFormat {
|
||||
/// An ELF file.
|
||||
#[default]
|
||||
Elf,
|
||||
/// A flat binary file.
|
||||
Flat,
|
||||
}
|
||||
@@ -12,7 +12,7 @@ pub fn lexer(mut program: String, module: u64) -> Result<Vec<Token>, AssembleErr
|
||||
let mut literal = String::new();
|
||||
|
||||
for line in lines {
|
||||
for token in line.split_whitespace() {
|
||||
for (i, token) in line.split_whitespace().enumerate() {
|
||||
if token.starts_with("//") {
|
||||
break;
|
||||
}
|
||||
@@ -23,7 +23,9 @@ pub fn lexer(mut program: String, module: u64) -> Result<Vec<Token>, AssembleErr
|
||||
|
||||
if !literal.is_empty() {
|
||||
if !token.starts_with('"') {
|
||||
literal.push(' ');
|
||||
if i > 0 {
|
||||
literal.push(' ');
|
||||
}
|
||||
literal.push_str(token);
|
||||
}
|
||||
|
||||
|
||||
@@ -113,11 +113,10 @@ impl Parser {
|
||||
let dest = expect_type!(self.next()?, Register)?;
|
||||
|
||||
let mut offset = Token::Immediate(0);
|
||||
if let Ok(next) = self.peek_next() {
|
||||
if expect_type!(next, Immediate).is_ok() {
|
||||
if let Ok(next) = self.peek_next()
|
||||
&& expect_type!(next, Immediate).is_ok() {
|
||||
offset = self.next()?;
|
||||
}
|
||||
}
|
||||
|
||||
args = vec![base, dest, offset];
|
||||
}
|
||||
@@ -125,11 +124,10 @@ impl Parser {
|
||||
let base = expect_type!(self.next()?, Register)?;
|
||||
let dest = expect_type!(self.next()?, Register, Symbol)?;
|
||||
let mut offset = Token::Immediate(0);
|
||||
if let Ok(next) = self.peek_next() {
|
||||
if expect_type!(next, Immediate).is_ok() {
|
||||
if let Ok(next) = self.peek_next()
|
||||
&& expect_type!(next, Immediate).is_ok() {
|
||||
offset = self.next()?;
|
||||
}
|
||||
}
|
||||
args = vec![base, dest, offset];
|
||||
}
|
||||
|
||||
|
||||
@@ -12,12 +12,18 @@
|
||||
clippy::match_wildcard_for_single_variants
|
||||
)]
|
||||
|
||||
pub mod args;
|
||||
pub mod assembler;
|
||||
pub mod brainf;
|
||||
pub mod image_builder;
|
||||
pub mod tooling;
|
||||
mod util;
|
||||
|
||||
pub mod prelude {
|
||||
pub use crate::assembler::CompilerEngine;
|
||||
pub use crate::image_builder;
|
||||
pub use crate::tooling::brainf;
|
||||
pub use crate::tooling::project;
|
||||
}
|
||||
|
||||
use num_cpus as _;
|
||||
use threadpool as _;
|
||||
|
||||
+15
-4
@@ -1,10 +1,21 @@
|
||||
use assembler::{brainf, prelude::*};
|
||||
use common as _;
|
||||
use num_cpus as _;
|
||||
use threadpool as _;
|
||||
|
||||
use assembler::{
|
||||
prelude::*,
|
||||
tooling::{brainf, project},
|
||||
};
|
||||
|
||||
use clap::Parser;
|
||||
use std::{fs, io::Write, path::PathBuf};
|
||||
|
||||
fn main() {
|
||||
// Parse command line arguments
|
||||
let args: Vec<String> = std::env::args().collect();
|
||||
|
||||
let _clap_args = assembler::args::Args::parse();
|
||||
|
||||
if args.len() == 2 && args[1] == "init" {
|
||||
project::tool_libcreate();
|
||||
std::process::exit(0);
|
||||
@@ -16,7 +27,7 @@ fn main() {
|
||||
|
||||
let mut file = match fs::File::create("brainf.dsb") {
|
||||
Err(e) => {
|
||||
eprintln!("Failed to create output file: {}", e);
|
||||
eprintln!("Failed to create output file: {e}");
|
||||
std::process::exit(1);
|
||||
}
|
||||
Ok(file) => file,
|
||||
@@ -24,7 +35,7 @@ fn main() {
|
||||
|
||||
for instruction in result {
|
||||
if let Err(e) = file.write(&instruction.encode().to_be_bytes()) {
|
||||
eprintln!("Failed to write to output file: {}", e);
|
||||
eprintln!("Failed to write to output file: {e}");
|
||||
std::process::exit(1);
|
||||
}
|
||||
}
|
||||
@@ -50,7 +61,7 @@ fn main() {
|
||||
|
||||
for instruction in result {
|
||||
if let Err(e) = fs::write(output_path, instruction.encode().to_be_bytes()) {
|
||||
eprintln!("Failed to write to output file: {}", e);
|
||||
eprintln!("Failed to write to output file: {e}");
|
||||
std::process::exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1 +1,2 @@
|
||||
pub mod brainf;
|
||||
pub mod project;
|
||||
|
||||
@@ -5,3 +5,4 @@ edition.workspace = true
|
||||
authors.workspace = true
|
||||
|
||||
[dependencies]
|
||||
object = { version = "0.37.1", default-features = false, features = ["elf", "std", "read", "read_core", "write_std", "write", "alloc", "build"] }
|
||||
|
||||
@@ -0,0 +1,3 @@
|
||||
# Common types and methods for the DSA
|
||||
|
||||
This library contains the instruction set, encoding and decoding routines, and ELF encoding and loading routines (WIP).
|
||||
@@ -0,0 +1,8 @@
|
||||
//! ELF file creation and parsing routines.
|
||||
|
||||
use object::{Endianness, build::elf::Builder};
|
||||
|
||||
#[allow(clippy::missing_const_for_fn)]
|
||||
pub fn write() {
|
||||
let builder = Builder::new(Endianness::Little, false);
|
||||
}
|
||||
@@ -3,6 +3,8 @@ use crate::{instructions::encode::Encode, prelude::*};
|
||||
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
|
||||
pub enum Interrupt {
|
||||
Software(u8),
|
||||
Breakpoint,
|
||||
HardFault,
|
||||
}
|
||||
|
||||
pub type Address = u32;
|
||||
@@ -10,6 +12,8 @@ pub type Address = u32;
|
||||
impl Interrupt {
|
||||
const fn as_u8(self) -> u8 {
|
||||
match self {
|
||||
Self::Breakpoint => 0,
|
||||
Self::HardFault => 1,
|
||||
Self::Software(code) => code,
|
||||
}
|
||||
}
|
||||
@@ -19,10 +23,11 @@ impl Interrupt {
|
||||
impl From<u8> for Interrupt {
|
||||
#[allow(unreachable_code)]
|
||||
fn from(code: u8) -> Self {
|
||||
return Self::Software(code);
|
||||
todo!("Implement this once a hardware interrupt convention is established.");
|
||||
|
||||
// Self::Software(_code)
|
||||
match code {
|
||||
0 => Self::Breakpoint,
|
||||
1 => Self::HardFault,
|
||||
_ => Self::Software(code),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -73,7 +78,8 @@ pub enum Register {
|
||||
}
|
||||
|
||||
impl Register {
|
||||
#[must_use]
|
||||
// this is here so clippy shuts up about the must_use tag.
|
||||
#[allow(clippy::must_use_candidate)]
|
||||
pub fn general() -> Vec<Self> {
|
||||
vec![
|
||||
Self::Rg0,
|
||||
|
||||
@@ -12,6 +12,7 @@
|
||||
clippy::match_wildcard_for_single_variants
|
||||
)]
|
||||
|
||||
pub mod elf;
|
||||
pub mod instructions;
|
||||
|
||||
pub mod prelude {
|
||||
|
||||
+4
-2
@@ -17,7 +17,6 @@ required-features = ["config"]
|
||||
common = { path = "../common" }
|
||||
assembler = { path = "../assembler" }
|
||||
dsa_editor = { path = "../dsa_editor" }
|
||||
eframe = { version = "0.31.1" }
|
||||
egui = "0.31.1"
|
||||
dirs = "6.0.0"
|
||||
discord-presence = { version = "1.6.0", optional = true }
|
||||
@@ -30,7 +29,7 @@ default = ["config"]
|
||||
discord-rpc = ["dep:discord-presence"]
|
||||
config = ["dep:toml", "dep:serde"]
|
||||
|
||||
# Add support for Android for the fun of it.
|
||||
# Add support for Android for the fun of it. Currently crashes lol.
|
||||
[target.'cfg(target_os = "android")'.dependencies]
|
||||
winit = { version = "0.30.11", features = ["android-native-activity"] }
|
||||
# jni = "0.21.1"
|
||||
@@ -38,3 +37,6 @@ winit = { version = "0.30.11", features = ["android-native-activity"] }
|
||||
[target.'cfg(target_os = "android")'.dependencies.eframe]
|
||||
version = "0.31.1"
|
||||
features = ["android-native-activity"]
|
||||
|
||||
[target.'cfg(not(target_os = "android"))'.dependencies.eframe]
|
||||
version = "0.31.1"
|
||||
|
||||
@@ -1,15 +1,12 @@
|
||||
use std::sync::Arc;
|
||||
use std::{
|
||||
sync::mpsc::{self, Receiver, Sender},
|
||||
thread,
|
||||
time::Duration,
|
||||
};
|
||||
use std::sync::mpsc::{self, Receiver, Sender};
|
||||
|
||||
#[allow(unused_imports)]
|
||||
use crate::emulator::misc::rpc::{Activity, RpcClient};
|
||||
|
||||
use crate::emulator::system::model::StateUpdate;
|
||||
use crate::emulator::system::{
|
||||
model::{Command, PersistentState, Running, State},
|
||||
model::{Command, Running},
|
||||
processor::Processor,
|
||||
};
|
||||
|
||||
@@ -19,28 +16,33 @@ use common::prelude::*;
|
||||
#[allow(unused_variables)]
|
||||
pub fn run_emulator(
|
||||
cmd_rx: &Receiver<Command>,
|
||||
state_tx: &Sender<State>,
|
||||
state_tx: &Sender<StateUpdate>,
|
||||
mut processor: Processor,
|
||||
rpc_client: Option<&Arc<RpcClient>>,
|
||||
) {
|
||||
println!("INFO: Starting emulator.");
|
||||
|
||||
let mut running = Running::Paused;
|
||||
let mut addr = 0u32;
|
||||
let mut step = 0;
|
||||
let mut addr;
|
||||
let mut history = Vec::<(u32, Instruction)>::new();
|
||||
let size = 256;
|
||||
|
||||
let memory_view = processor.memory.read_range(addr, size);
|
||||
let initial_state = state(&mut processor, running, 0, memory_view, &mut history);
|
||||
let _ = state_tx.send(initial_state);
|
||||
state_tx
|
||||
.send(StateUpdate::Running(Running::Paused))
|
||||
.expect("Failed to send initial state!");
|
||||
|
||||
let mut instruction_count = 0;
|
||||
let mut update = false;
|
||||
|
||||
loop {
|
||||
let cmd = if running == Running::Running {
|
||||
let cmd = if running == Running::Running || step > 0 {
|
||||
match cmd_rx.try_recv() {
|
||||
Ok(cmd) => Some(cmd),
|
||||
Err(mpsc::TryRecvError::Empty) => None,
|
||||
Err(mpsc::TryRecvError::Empty) => {
|
||||
update = false;
|
||||
None
|
||||
}
|
||||
Err(mpsc::TryRecvError::Disconnected) => break,
|
||||
}
|
||||
} else {
|
||||
@@ -91,52 +93,119 @@ pub fn run_emulator(
|
||||
|
||||
processor.reset();
|
||||
}
|
||||
Command::Step => {
|
||||
running = Running::Paused;
|
||||
|
||||
// Execute one cycle.
|
||||
match processor.cycle() {
|
||||
Ok((addr, instruction)) => {
|
||||
history.push((addr, instruction));
|
||||
}
|
||||
Err(why) => {
|
||||
let pcx = processor.get(Register::Pcx);
|
||||
eprintln!(
|
||||
"Could not decode instruction at {pcx:x}. Reason: {why}"
|
||||
);
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
||||
instruction_count += 1;
|
||||
}
|
||||
Command::Read(new, _size) => {
|
||||
addr = new;
|
||||
Command::Step(x) => {
|
||||
step = x;
|
||||
}
|
||||
Command::Write(offset, data) => {
|
||||
processor.memory.write_range(offset, data);
|
||||
update = true;
|
||||
|
||||
processor
|
||||
.memory
|
||||
.write_range(offset, data)
|
||||
.unwrap_or_else(|_| {
|
||||
report_err(
|
||||
state_tx,
|
||||
"Failed to write memory range!",
|
||||
&mut processor,
|
||||
);
|
||||
});
|
||||
}
|
||||
Command::Interrupt(_interrupt) => {
|
||||
update = true;
|
||||
|
||||
todo!("implement interrupts")
|
||||
}
|
||||
Command::MemRequest(new, size) if update => {
|
||||
addr = new;
|
||||
let _ = state_tx.send(StateUpdate::MemoryView(
|
||||
processor.memory.read_range(addr, size).unwrap_or_else(|_| {
|
||||
report_err(
|
||||
state_tx,
|
||||
"Failed to read memory range!",
|
||||
&mut processor,
|
||||
);
|
||||
Vec::new()
|
||||
}),
|
||||
));
|
||||
}
|
||||
Command::DisplayRequest if update => {
|
||||
let _ = state_tx.send(StateUpdate::DisplayView(
|
||||
processor.display().unwrap_or_else(|_| {
|
||||
report_err(
|
||||
state_tx,
|
||||
"Failed to read display!",
|
||||
&mut processor,
|
||||
);
|
||||
Vec::new()
|
||||
}),
|
||||
));
|
||||
}
|
||||
Command::StackRequest if update => {
|
||||
let _ = state_tx.send(StateUpdate::StackView(
|
||||
processor.get_stack(32).unwrap_or_else(|_| {
|
||||
report_err(state_tx, "Failed to read stack!", &mut processor);
|
||||
Vec::new()
|
||||
}),
|
||||
));
|
||||
}
|
||||
Command::RegisterRequest if update => {
|
||||
let _ = state_tx.send(StateUpdate::Registers(processor.registers));
|
||||
}
|
||||
Command::RunningRequest if update => {
|
||||
let _ = state_tx.send(StateUpdate::Running(running));
|
||||
}
|
||||
Command::HistoryRequest if update => {
|
||||
let hsc = history.clone();
|
||||
history.clear();
|
||||
let _ = state_tx.send(StateUpdate::InstructionHistory(hsc));
|
||||
}
|
||||
Command::InstructionCountRequest if update => {
|
||||
let _ = state_tx.send(StateUpdate::Instructions(instruction_count));
|
||||
}
|
||||
Command::WriteBlock(addr, block) => {
|
||||
processor
|
||||
.memory
|
||||
.write_range(addr, block.to_vec())
|
||||
.unwrap_or_else(|_| {
|
||||
report_err(
|
||||
state_tx,
|
||||
"Failed to write memory block!",
|
||||
&mut processor,
|
||||
);
|
||||
});
|
||||
}
|
||||
|
||||
_ => {}
|
||||
}
|
||||
}
|
||||
|
||||
let memory_view = processor.memory.read_range(addr, size);
|
||||
let state = state(
|
||||
&mut processor,
|
||||
running,
|
||||
instruction_count,
|
||||
memory_view,
|
||||
&mut history,
|
||||
);
|
||||
if step > 0 {
|
||||
step -= 1;
|
||||
update = true;
|
||||
running = Running::Paused;
|
||||
|
||||
println!("state");
|
||||
|
||||
let _ = state_tx.send(state);
|
||||
// Execute one cycle.
|
||||
match processor.cycle() {
|
||||
Ok((addr, instruction)) => {
|
||||
history.push((addr, instruction));
|
||||
}
|
||||
Err(why) => {
|
||||
let pcx = processor.get(Register::Pcx);
|
||||
report_err(
|
||||
state_tx,
|
||||
&format!(
|
||||
"Could not decode instruction at {pcx:x}. Reason: {why}"
|
||||
),
|
||||
&mut processor,
|
||||
);
|
||||
}
|
||||
}
|
||||
instruction_count += 1;
|
||||
continue;
|
||||
}
|
||||
|
||||
if running == Running::Running {
|
||||
let mut update = false;
|
||||
update = true;
|
||||
|
||||
// Execute one cycle.
|
||||
let instruction = match processor.cycle() {
|
||||
@@ -149,60 +218,16 @@ pub fn run_emulator(
|
||||
};
|
||||
|
||||
history.push(instruction);
|
||||
|
||||
// let instruction = match Instruction::decode(cpu_lock.get(Register::Cir))
|
||||
// {};
|
||||
|
||||
if matches!(instruction.1, Instruction::Halt) {
|
||||
running = Running::Halted;
|
||||
update = true;
|
||||
}
|
||||
|
||||
instruction_count += 1;
|
||||
|
||||
// Send state updates every 100 instructions
|
||||
if instruction_count % 100 == 0 {
|
||||
update = true;
|
||||
}
|
||||
|
||||
if update {
|
||||
let memory_view = processor.memory.read_range(addr, size);
|
||||
let state = state(
|
||||
&mut processor,
|
||||
running,
|
||||
instruction_count,
|
||||
memory_view,
|
||||
&mut history,
|
||||
);
|
||||
println!("running state");
|
||||
// println!("state!!! {:?}", state.history);
|
||||
let _ = state_tx.send(state);
|
||||
}
|
||||
} else {
|
||||
thread::sleep(Duration::from_millis(1));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn state(
|
||||
cpu_lock: &mut Processor,
|
||||
running: Running,
|
||||
instruction_count: usize,
|
||||
memory_view: Vec<u8>,
|
||||
history: &mut Vec<(u32, Instruction)>,
|
||||
) -> State {
|
||||
let hsclone = history.clone();
|
||||
history.clear();
|
||||
|
||||
State {
|
||||
// TODO: Replace with actual register access from your CPU.
|
||||
reg_file: cpu_lock.registers,
|
||||
running,
|
||||
instructions: instruction_count,
|
||||
stack_view: cpu_lock.get_stack(32),
|
||||
memory_view,
|
||||
display_view: cpu_lock.display(),
|
||||
error: None,
|
||||
persistent: PersistentState { history: hsclone },
|
||||
}
|
||||
fn report_err(state_tx: &Sender<StateUpdate>, why: &str, processor: &mut Processor) {
|
||||
processor.begin_interrupt(Interrupt::HardFault);
|
||||
let _ = state_tx.send(StateUpdate::Error(why.to_string()));
|
||||
}
|
||||
|
||||
@@ -1,13 +1,43 @@
|
||||
use std::collections::HashMap;
|
||||
|
||||
use crate::emulator::system::model::ProcessorError;
|
||||
|
||||
pub trait MemoryUnit: Send + Sync {
|
||||
fn reset(&mut self);
|
||||
fn read_byte(&mut self, addr: u32) -> u8;
|
||||
fn write_byte(&mut self, addr: u32, value: u8);
|
||||
fn read_word(&mut self, addr: u32) -> u32;
|
||||
fn write_word(&mut self, addr: u32, value: u32);
|
||||
fn read_range(&mut self, addr: u32, size: u32) -> Vec<u8>;
|
||||
fn write_range(&mut self, addr: u32, value: Vec<u8>);
|
||||
fn read_byte(&mut self, addr: u32) -> Result<u8, ProcessorError>;
|
||||
fn write_byte(&mut self, addr: u32, value: u8) -> Result<(), ProcessorError>;
|
||||
fn read_word(&mut self, addr: u32) -> Result<u32, ProcessorError>;
|
||||
fn write_word(&mut self, addr: u32, value: u32) -> Result<(), ProcessorError>;
|
||||
|
||||
fn read_range(&mut self, addr: u32, size: u32) -> Result<Vec<u8>, ProcessorError> {
|
||||
let mut data = Vec::with_capacity(size as usize);
|
||||
for i in 0..size {
|
||||
data.push(self.read_byte(addr + i)?);
|
||||
}
|
||||
Ok(data)
|
||||
}
|
||||
|
||||
fn write_range(&mut self, addr: u32, value: Vec<u8>) -> Result<(), ProcessorError> {
|
||||
for (i, byte) in value.into_iter().enumerate() {
|
||||
self.write_byte(addr + i as u32, byte)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn read_block(&mut self, addr: u32) -> Result<[u8; 256], ProcessorError> {
|
||||
let mut data = [0; 256];
|
||||
for (i, byte) in data.iter_mut().enumerate() {
|
||||
*byte = self.read_byte(addr + i as u32)?;
|
||||
}
|
||||
Ok(data)
|
||||
}
|
||||
|
||||
fn write_block(&mut self, addr: u32, data: [u8; 256]) -> Result<(), ProcessorError> {
|
||||
for (i, byte) in data.iter().enumerate() {
|
||||
self.write_byte(addr + i as u32, *byte)?;
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
pub struct MainStore {
|
||||
@@ -64,59 +94,77 @@ impl MemoryUnit for MainStore {
|
||||
self.data.clear();
|
||||
}
|
||||
|
||||
fn read_byte(&mut self, addr: u32) -> u8 {
|
||||
fn read_byte(&mut self, addr: u32) -> Result<u8, ProcessorError> {
|
||||
let (block_addr, offset) = Self::segment_addr(addr);
|
||||
let block = self.block(block_addr);
|
||||
block.data[offset as usize]
|
||||
Ok(block.data[offset as usize])
|
||||
}
|
||||
|
||||
fn read_word(&mut self, addr: u32) -> u32 {
|
||||
fn read_word(&mut self, addr: u32) -> Result<u32, ProcessorError> {
|
||||
if addr % 4 != 0 {
|
||||
return Err(ProcessorError::BadMemoryAccess(addr));
|
||||
}
|
||||
|
||||
let (block_addr, offset) = Self::segment_addr(addr);
|
||||
|
||||
println!("reading word from {block_addr:x?} + {offset}");
|
||||
|
||||
let block = self.mut_block(block_addr);
|
||||
let mut bytes = [0; 4];
|
||||
bytes[0] = block.data[offset as usize];
|
||||
bytes[1] = block.data[(offset + 1) as usize];
|
||||
bytes[2] = block.data[(offset + 2) as usize];
|
||||
bytes[3] = block.data[(offset + 3) as usize];
|
||||
u32::from_be_bytes(bytes)
|
||||
Ok(u32::from_be_bytes(bytes))
|
||||
}
|
||||
|
||||
fn read_range(&mut self, addr: u32, size: u32) -> Vec<u8> {
|
||||
fn read_range(&mut self, addr: u32, size: u32) -> Result<Vec<u8>, ProcessorError> {
|
||||
let mut data = Vec::with_capacity(size as usize);
|
||||
for i in 0..size {
|
||||
data.push(self.read_byte(addr + i));
|
||||
data.push(self.read_byte(addr + i)?);
|
||||
}
|
||||
|
||||
// println!("reading {data:?} from {addr:x?}");
|
||||
|
||||
data
|
||||
Ok(data)
|
||||
}
|
||||
|
||||
fn write_byte(&mut self, addr: u32, value: u8) {
|
||||
fn write_byte(&mut self, addr: u32, value: u8) -> Result<(), ProcessorError> {
|
||||
let (block_addr, offset) = Self::segment_addr(addr);
|
||||
let block = self.mut_block(block_addr);
|
||||
block.data[offset as usize] = value;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn write_word(&mut self, addr: u32, value: u32) {
|
||||
fn write_word(&mut self, addr: u32, value: u32) -> Result<(), ProcessorError> {
|
||||
if addr % 4 != 0 {
|
||||
return Err(ProcessorError::BadMemoryAccess(addr));
|
||||
}
|
||||
|
||||
let (block_addr, offset) = Self::segment_addr(addr);
|
||||
let block = self.mut_block(block_addr);
|
||||
block.data[offset as usize] = (value >> 24) as u8;
|
||||
block.data[(offset + 1) as usize] = (value >> 16) as u8;
|
||||
block.data[(offset + 2) as usize] = (value >> 8) as u8;
|
||||
block.data[(offset + 3) as usize] = value as u8;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn write_range(&mut self, addr: u32, value: Vec<u8>) {
|
||||
// println!("writing {value:?} to {addr:x?}");
|
||||
|
||||
fn write_range(&mut self, addr: u32, value: Vec<u8>) -> Result<(), ProcessorError> {
|
||||
for (i, byte) in value.into_iter().enumerate() {
|
||||
let (block_addr, offset) = Self::segment_addr(addr + i as u32);
|
||||
let block = self.mut_block(block_addr);
|
||||
block.data[offset as usize] = byte;
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn read_block(&mut self, addr: u32) -> Result<[u8; 256], ProcessorError> {
|
||||
let (block_addr, _) = Self::segment_addr(addr);
|
||||
let block = self.block(block_addr);
|
||||
Ok(block.data)
|
||||
}
|
||||
|
||||
fn write_block(&mut self, addr: u32, data: [u8; 256]) -> Result<(), ProcessorError> {
|
||||
let (block_addr, _) = Self::segment_addr(addr);
|
||||
let block = self.mut_block(block_addr);
|
||||
block.data = data;
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
@@ -1,3 +1,5 @@
|
||||
use std::sync::mpsc::{self, Receiver, Sender};
|
||||
|
||||
use common::prelude::*;
|
||||
|
||||
#[derive(PartialEq, Eq, Debug, Clone, Copy)]
|
||||
@@ -16,15 +18,143 @@ pub trait IODevice: Send + Sync {
|
||||
|
||||
#[derive(PartialEq, Eq, Debug, Clone)]
|
||||
pub enum Command {
|
||||
// set emulator state.
|
||||
Start,
|
||||
Stop,
|
||||
Step,
|
||||
Step(usize),
|
||||
Reset(usize),
|
||||
Interrupt(Interrupt),
|
||||
|
||||
// Performs direct read/write operations on the emulator's memory.
|
||||
Read(Address, u32),
|
||||
Write(Address, Vec<u8>),
|
||||
WriteBlock(Address, Box<[u8; 256]>),
|
||||
|
||||
// request emulator state.
|
||||
MemRequest(Address, u32),
|
||||
DisplayRequest,
|
||||
StackRequest,
|
||||
RegisterRequest,
|
||||
RunningRequest,
|
||||
HistoryRequest,
|
||||
InstructionCountRequest,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub enum ProcessorError {
|
||||
InvalidInstruction(u32),
|
||||
InvalidRegister(u8),
|
||||
BadMemoryAccess(u32),
|
||||
}
|
||||
|
||||
impl std::error::Error for ProcessorError {}
|
||||
|
||||
impl std::fmt::Display for ProcessorError {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
Self::InvalidInstruction(instruction) => {
|
||||
write!(f, "Invalid instruction: {instruction}")
|
||||
}
|
||||
Self::InvalidRegister(register) => {
|
||||
write!(f, "Invalid register: {register}")
|
||||
}
|
||||
Self::BadMemoryAccess(address) => {
|
||||
write!(f, "Bad memory access: {address}")
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct State {
|
||||
pub state_receiver: Receiver<StateUpdate>,
|
||||
pub cmd_sender: Sender<Command>,
|
||||
|
||||
// Processor state
|
||||
pub reg_file: RegFile,
|
||||
pub running: Running,
|
||||
pub instructions: usize,
|
||||
|
||||
// Memory access views
|
||||
pub stack_view: Vec<u8>,
|
||||
pub memory_view: Vec<u8>,
|
||||
pub display_view: Vec<u8>,
|
||||
|
||||
pub error_log: Vec<String>,
|
||||
|
||||
pub instruction_history: Vec<(u32, Instruction)>,
|
||||
}
|
||||
|
||||
impl State {
|
||||
#[must_use]
|
||||
pub fn new(sender: Sender<Command>, receiver: Receiver<StateUpdate>) -> Self {
|
||||
Self {
|
||||
state_receiver: receiver,
|
||||
cmd_sender: sender,
|
||||
reg_file: RegFile::default(),
|
||||
running: Running::Paused,
|
||||
instructions: 0,
|
||||
stack_view: vec![],
|
||||
memory_view: vec![],
|
||||
display_view: vec![],
|
||||
error_log: vec![],
|
||||
instruction_history: vec![],
|
||||
}
|
||||
}
|
||||
|
||||
pub fn send(&mut self, cmd: Command) {
|
||||
if let Err(e) = self.cmd_sender.send(cmd) {
|
||||
self.error_log.push(e.to_string());
|
||||
}
|
||||
}
|
||||
|
||||
pub fn update(&mut self) -> Result<(), mpsc::TryRecvError> {
|
||||
while let Ok(update) = self.state_receiver.try_recv() {
|
||||
match update {
|
||||
StateUpdate::Registers(reg_file) => self.reg_file = reg_file,
|
||||
StateUpdate::Running(running) => self.running = running,
|
||||
StateUpdate::Instructions(instructions) => {
|
||||
self.instructions = instructions;
|
||||
}
|
||||
StateUpdate::StackView(stack_view) => self.stack_view = stack_view,
|
||||
StateUpdate::MemoryView(memory_view) => self.memory_view = memory_view,
|
||||
StateUpdate::DisplayView(display_view) => {
|
||||
self.display_view = display_view;
|
||||
}
|
||||
StateUpdate::Error(err_state) => self.error_log.push(err_state),
|
||||
StateUpdate::InstructionHistory(history) => {
|
||||
self.instruction_history.extend(history);
|
||||
}
|
||||
}
|
||||
|
||||
if self.error_log.len() > 256 {
|
||||
self.error_log.drain(0..self.error_log.len() - 256);
|
||||
}
|
||||
|
||||
if self.instruction_history.len() > 1024 {
|
||||
self.instruction_history
|
||||
.drain(0..self.instruction_history.len() - 1024);
|
||||
}
|
||||
}
|
||||
|
||||
if let Err(e) = self.state_receiver.try_recv() {
|
||||
match e {
|
||||
mpsc::TryRecvError::Empty => {}
|
||||
mpsc::TryRecvError::Disconnected => {
|
||||
return Err(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
pub enum StateUpdate {
|
||||
Registers(RegFile),
|
||||
Running(Running),
|
||||
Instructions(usize),
|
||||
StackView(Vec<u8>),
|
||||
MemoryView(Vec<u8>),
|
||||
DisplayView(Vec<u8>),
|
||||
Error(String),
|
||||
InstructionHistory(Vec<(u32, Instruction)>),
|
||||
}
|
||||
|
||||
#[derive(Default, Debug, Clone, Copy, PartialEq, Eq)]
|
||||
@@ -195,47 +325,3 @@ impl RegFile {
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub struct State {
|
||||
pub reg_file: RegFile,
|
||||
pub running: Running,
|
||||
pub instructions: usize,
|
||||
|
||||
// Memory access views
|
||||
pub stack_view: Vec<u8>,
|
||||
pub memory_view: Vec<u8>,
|
||||
pub display_view: Vec<u8>,
|
||||
pub error: Option<String>,
|
||||
|
||||
pub persistent: PersistentState,
|
||||
}
|
||||
|
||||
impl Default for State {
|
||||
fn default() -> Self {
|
||||
Self {
|
||||
reg_file: RegFile::default(),
|
||||
running: Running::Paused,
|
||||
instructions: 0,
|
||||
stack_view: vec![],
|
||||
memory_view: vec![],
|
||||
display_view: vec![],
|
||||
persistent: PersistentState::default(),
|
||||
error: None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#[derive(Clone, Debug, Default)]
|
||||
pub struct PersistentState {
|
||||
pub history: Vec<(u32, Instruction)>,
|
||||
}
|
||||
|
||||
impl PersistentState {
|
||||
pub fn update(&mut self, new_state: &Self) {
|
||||
self.history.extend(new_state.history.clone());
|
||||
if self.history.len() > 1024 {
|
||||
let len = self.history.len() - 1024;
|
||||
self.history.drain(..len);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -5,12 +5,10 @@ use std::{
|
||||
|
||||
use crate::emulator::system::{
|
||||
memory::MemoryUnit,
|
||||
model::{IODevice, RegFile},
|
||||
model::{IODevice, ProcessorError, RegFile},
|
||||
};
|
||||
|
||||
use common::instructions::{
|
||||
Instruction, Interrupt, Register, errors::InstructionDecodeError,
|
||||
};
|
||||
use common::instructions::{Instruction, Interrupt, Register};
|
||||
|
||||
pub struct Processor {
|
||||
pub memory: Box<dyn MemoryUnit>,
|
||||
@@ -25,7 +23,6 @@ fn log(message: &str) {
|
||||
println!("\x1b[32mINFO:\x1b[0m {message}");
|
||||
}
|
||||
|
||||
#[allow(clippy::needless_pass_by_ref_mut)]
|
||||
impl Processor {
|
||||
#[must_use]
|
||||
pub fn new(memory: Box<dyn MemoryUnit>, io_devices: Vec<Arc<dyn IODevice>>) -> Self {
|
||||
@@ -48,7 +45,7 @@ impl Processor {
|
||||
self.memory.reset();
|
||||
}
|
||||
|
||||
pub fn cycle(&mut self) -> Result<(u32, Instruction), InstructionDecodeError> {
|
||||
pub fn cycle(&mut self) -> Result<(u32, Instruction), ProcessorError> {
|
||||
self.halted = false;
|
||||
|
||||
// Get value from PCX.
|
||||
@@ -58,18 +55,16 @@ impl Processor {
|
||||
|
||||
// Set MAR to the previous value of PCX.
|
||||
*self.reg(Register::Mar) = addr;
|
||||
let val = self.memory.read_word(addr);
|
||||
let val = self.memory.read_word(addr)?;
|
||||
|
||||
// Set CIR to the value of RAM[MAR].
|
||||
*self.reg(Register::Mar) = val;
|
||||
|
||||
// Decode and execute the instruction.
|
||||
let instruction = Instruction::decode(val)?;
|
||||
|
||||
log(&instruction.to_string());
|
||||
|
||||
instruction.execute(self);
|
||||
let instruction = Instruction::decode(val)
|
||||
.map_err(|_| ProcessorError::InvalidInstruction(val))?;
|
||||
|
||||
instruction.execute(self)?;
|
||||
Ok((addr, instruction))
|
||||
}
|
||||
|
||||
@@ -89,7 +84,7 @@ impl Processor {
|
||||
}
|
||||
}
|
||||
|
||||
pub fn display(&mut self) -> Vec<u8> {
|
||||
pub fn display(&mut self) -> Result<Vec<u8>, ProcessorError> {
|
||||
self.memory.read_range(0x20000, 2000)
|
||||
}
|
||||
|
||||
@@ -99,21 +94,7 @@ impl Processor {
|
||||
self.set_flag(Flag::LessThan, a < b);
|
||||
}
|
||||
|
||||
// stack operations
|
||||
|
||||
pub fn push(&mut self, value: u32) {
|
||||
let stack_ptr = self.get(Register::Spr);
|
||||
*self.reg(Register::Spr) += 4;
|
||||
self.memory.write_word(stack_ptr, value);
|
||||
}
|
||||
|
||||
pub fn pop(&mut self) -> u32 {
|
||||
*self.reg(Register::Spr) -= 4;
|
||||
self.memory.read_word(self.get(Register::Spr))
|
||||
}
|
||||
|
||||
// functions to set new state
|
||||
|
||||
fn set_flag(&mut self, flag: Flag, value: bool) {
|
||||
if value {
|
||||
*self.reg(Register::Sts) |= flag as u32;
|
||||
@@ -135,16 +116,18 @@ impl Processor {
|
||||
*self.reg(Register::Pcx) = self.get(reg) + u32::from(offset);
|
||||
}
|
||||
|
||||
fn begin_interrupt(&mut self, _int: Interrupt) {
|
||||
pub fn begin_interrupt(&mut self, _int: Interrupt) {
|
||||
// first we get the address of the interrupt descriptor table.
|
||||
todo!();
|
||||
}
|
||||
|
||||
// TODO: remove this once implemented
|
||||
#[allow(clippy::needless_pass_by_ref_mut)]
|
||||
fn end_interrupt(&mut self) {
|
||||
todo!();
|
||||
}
|
||||
|
||||
pub fn get_stack(&mut self, n: u32) -> Vec<u8> {
|
||||
pub fn get_stack(&mut self, n: u32) -> Result<Vec<u8>, ProcessorError> {
|
||||
let addr = self.get(Register::Spr);
|
||||
let size = n * 4;
|
||||
// returns the stack
|
||||
@@ -170,12 +153,12 @@ enum Flag {
|
||||
}
|
||||
|
||||
trait Executable {
|
||||
fn execute(self, cpu: &mut Processor);
|
||||
fn execute(self, cpu: &mut Processor) -> Result<(), ProcessorError>;
|
||||
}
|
||||
|
||||
impl Executable for Instruction {
|
||||
#[allow(clippy::too_many_lines)]
|
||||
fn execute(self, cpu: &mut Processor) {
|
||||
fn execute(self, cpu: &mut Processor) -> Result<(), ProcessorError> {
|
||||
match self {
|
||||
// No operation - a blank line.
|
||||
// Copies from SrcReg to a.drReg.
|
||||
@@ -193,7 +176,8 @@ impl Executable for Instruction {
|
||||
// effective address must be byte-aligned.
|
||||
Self::LoadByte(a) => {
|
||||
*cpu.reg(a.r2) = u32::from(
|
||||
cpu.memory.read_byte(cpu.get(a.r1) + u32::from(a.immediate)),
|
||||
cpu.memory
|
||||
.read_byte(cpu.get(a.r1) + u32::from(a.immediate))?,
|
||||
);
|
||||
}
|
||||
|
||||
@@ -201,7 +185,8 @@ impl Executable for Instruction {
|
||||
// a.drReg. The effective address must be byte-aligned.
|
||||
Self::LoadByteSigned(a) => {
|
||||
*cpu.reg(a.r2) = sign_extend(u32::from(
|
||||
cpu.memory.read_byte(cpu.get(a.r1) + u32::from(a.immediate)),
|
||||
cpu.memory
|
||||
.read_byte(cpu.get(a.r1) + u32::from(a.immediate))?,
|
||||
));
|
||||
}
|
||||
|
||||
@@ -210,23 +195,28 @@ impl Executable for Instruction {
|
||||
Self::LoadHalfword(a) => {
|
||||
// we read an entire word, then right shift so we only get the first half
|
||||
// of the word
|
||||
*cpu.reg(a.r2) =
|
||||
cpu.memory.read_word(cpu.get(a.r1) + u32::from(a.immediate)) >> 16;
|
||||
*cpu.reg(a.r2) = cpu
|
||||
.memory
|
||||
.read_word(cpu.get(a.r1) + u32::from(a.immediate))?
|
||||
>> 16;
|
||||
}
|
||||
|
||||
// Loads a sign-extended half-word from memory address (base + offset) into
|
||||
// a.drReg. The effective address must be 2-byte-aligned.
|
||||
Self::LoadHalfwordSigned(a) => {
|
||||
*cpu.reg(a.r2) = sign_extend(
|
||||
cpu.memory.read_word(cpu.get(a.r1) + u32::from(a.immediate)) >> 16,
|
||||
cpu.memory
|
||||
.read_word(cpu.get(a.r1) + u32::from(a.immediate))?
|
||||
>> 16,
|
||||
);
|
||||
}
|
||||
|
||||
// Loads a word from memory address (base + offset) into a.drReg. The
|
||||
// effective address must be 4-byte-aligned.
|
||||
Self::LoadWord(a) => {
|
||||
*cpu.reg(a.r2) =
|
||||
cpu.memory.read_word(cpu.get(a.r1) + u32::from(a.immediate));
|
||||
*cpu.reg(a.r2) = cpu
|
||||
.memory
|
||||
.read_word(cpu.get(a.r1) + u32::from(a.immediate))?;
|
||||
}
|
||||
|
||||
// Stores a byte from SrcReg in memory address (base + offset) The effective
|
||||
@@ -235,7 +225,7 @@ impl Executable for Instruction {
|
||||
cpu.memory.write_byte(
|
||||
cpu.get(a.r2) + u32::from(a.immediate),
|
||||
cpu.get(a.r1) as u8,
|
||||
);
|
||||
)?;
|
||||
}
|
||||
|
||||
// Stores a half-word from SrcReg in memory address (base + offset) The
|
||||
@@ -244,16 +234,16 @@ impl Executable for Instruction {
|
||||
// split the value into bytes and then write two bytes
|
||||
let bytes = (cpu.get(a.r1) as u16).to_le_bytes();
|
||||
cpu.memory
|
||||
.write_byte(cpu.get(a.r2) + u32::from(a.immediate), bytes[0]);
|
||||
.write_byte(cpu.get(a.r2) + u32::from(a.immediate), bytes[0])?;
|
||||
cpu.memory
|
||||
.write_byte(cpu.get(a.r2) + u32::from(a.immediate) + 1, bytes[1]);
|
||||
.write_byte(cpu.get(a.r2) + u32::from(a.immediate) + 1, bytes[1])?;
|
||||
}
|
||||
|
||||
// Stores a word from SrcReg in memory address (base + offset) The effective
|
||||
// address must be 4-byte-aligned.
|
||||
Self::StoreWord(a) => {
|
||||
cpu.memory
|
||||
.write_word(cpu.get(a.r2) + u32::from(a.immediate), cpu.get(a.r1));
|
||||
.write_word(cpu.get(a.r2) + u32::from(a.immediate), cpu.get(a.r1))?;
|
||||
}
|
||||
|
||||
// Loads a 16-bit literal value into reg, setting the bottom 16 bits of the
|
||||
@@ -411,6 +401,7 @@ impl Executable for Instruction {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -13,7 +13,9 @@ fn test_nop_instruction() {
|
||||
let mut cpu = create_test_processor();
|
||||
let initial_state = cpu.registers;
|
||||
|
||||
Instruction::Nop.execute(&mut cpu);
|
||||
Instruction::Nop.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
|
||||
assert_eq!(
|
||||
cpu.registers.get(Register::Rg0),
|
||||
@@ -37,7 +39,9 @@ fn test_mov_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
mov_instr.execute(&mut cpu);
|
||||
mov_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg2), 0x1234_5678);
|
||||
}
|
||||
|
||||
@@ -53,7 +57,9 @@ fn test_mov_signed_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
mov_signed_instr.execute(&mut cpu);
|
||||
mov_signed_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg2), 0xFFFF_FFFF);
|
||||
}
|
||||
|
||||
@@ -61,7 +67,9 @@ fn test_mov_signed_instruction() {
|
||||
fn test_load_byte_instruction() {
|
||||
let mut cpu = create_test_processor();
|
||||
let addr = 0x100;
|
||||
cpu.memory.write_byte(addr, 0xAB);
|
||||
cpu.memory
|
||||
.write_byte(addr, 0xAB)
|
||||
.expect("Failed to write byte to memory");
|
||||
*cpu.reg(Register::Rg1) = addr - 4;
|
||||
|
||||
let load_byte_instr = Instruction::LoadByte(ITypeArgs::new(
|
||||
@@ -70,7 +78,9 @@ fn test_load_byte_instruction() {
|
||||
Some(Register::Rg2),
|
||||
));
|
||||
|
||||
load_byte_instr.execute(&mut cpu);
|
||||
load_byte_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg2), 0x0000_00AB);
|
||||
}
|
||||
|
||||
@@ -78,7 +88,9 @@ fn test_load_byte_instruction() {
|
||||
fn test_load_byte_signed_instruction() {
|
||||
let mut cpu = create_test_processor();
|
||||
let addr = 0x100;
|
||||
cpu.memory.write_byte(addr, 0xFF);
|
||||
cpu.memory
|
||||
.write_byte(addr, 0xFF)
|
||||
.expect("Failed to write byte to memory");
|
||||
*cpu.reg(Register::Rg1) = addr;
|
||||
|
||||
let load_byte_signed_instr = Instruction::LoadByteSigned(ITypeArgs::new(
|
||||
@@ -87,7 +99,9 @@ fn test_load_byte_signed_instruction() {
|
||||
Some(Register::Rg2),
|
||||
));
|
||||
|
||||
load_byte_signed_instr.execute(&mut cpu);
|
||||
load_byte_signed_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg2), 0xFFFF_FFFF);
|
||||
}
|
||||
|
||||
@@ -95,7 +109,9 @@ fn test_load_byte_signed_instruction() {
|
||||
fn test_load_halfword_instruction() {
|
||||
let mut cpu = create_test_processor();
|
||||
let addr = 0x100;
|
||||
cpu.memory.write_word(addr, 0x1234_5678);
|
||||
cpu.memory
|
||||
.write_word(addr, 0x1234_5678)
|
||||
.expect("Failed to write word to memory");
|
||||
*cpu.reg(Register::Rg1) = addr;
|
||||
|
||||
let load_halfword_instr = Instruction::LoadHalfword(ITypeArgs::new(
|
||||
@@ -104,7 +120,9 @@ fn test_load_halfword_instruction() {
|
||||
Some(Register::Rg2),
|
||||
));
|
||||
|
||||
load_halfword_instr.execute(&mut cpu);
|
||||
load_halfword_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg2), 0x0000_1234);
|
||||
}
|
||||
|
||||
@@ -112,7 +130,9 @@ fn test_load_halfword_instruction() {
|
||||
fn test_load_word_instruction() {
|
||||
let mut cpu = create_test_processor();
|
||||
let addr = 0x100;
|
||||
cpu.memory.write_word(addr, 0x1234_5678);
|
||||
cpu.memory
|
||||
.write_word(addr, 0x1234_5678)
|
||||
.expect("Failed to write word to memory");
|
||||
*cpu.reg(Register::Rg1) = addr;
|
||||
|
||||
let load_word_instr = Instruction::LoadWord(ITypeArgs::new(
|
||||
@@ -121,7 +141,9 @@ fn test_load_word_instruction() {
|
||||
Some(Register::Rg2),
|
||||
));
|
||||
|
||||
load_word_instr.execute(&mut cpu);
|
||||
load_word_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg2), 0x1234_5678);
|
||||
}
|
||||
|
||||
@@ -138,8 +160,10 @@ fn test_store_byte_instruction() {
|
||||
Some(Register::Rg1),
|
||||
));
|
||||
|
||||
store_byte_instr.execute(&mut cpu);
|
||||
assert_eq!(cpu.memory.read_byte(addr), 0xAB);
|
||||
store_byte_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.memory.read_byte(addr).expect("Emulator was slain by losing the game while attempting to execute instruction"), 0xAB);
|
||||
}
|
||||
|
||||
#[test]
|
||||
@@ -155,8 +179,10 @@ fn test_store_word_instruction() {
|
||||
Some(Register::Rg1),
|
||||
));
|
||||
|
||||
store_word_instr.execute(&mut cpu);
|
||||
assert_eq!(cpu.memory.read_word(addr), 0x1234_5678);
|
||||
store_word_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.memory.read_word(addr).expect("Emulator was slain by losing the game while attempting to execute instruction"), 0x1234_5678);
|
||||
}
|
||||
|
||||
#[test]
|
||||
@@ -172,7 +198,9 @@ fn test_add_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
add_instr.execute(&mut cpu);
|
||||
add_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg3), 40);
|
||||
}
|
||||
|
||||
@@ -189,7 +217,9 @@ fn test_sub_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
sub_instr.execute(&mut cpu);
|
||||
sub_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg3), 30);
|
||||
}
|
||||
|
||||
@@ -206,7 +236,9 @@ fn test_and_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
and_instr.execute(&mut cpu);
|
||||
and_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg3), 0b1000);
|
||||
}
|
||||
|
||||
@@ -223,7 +255,9 @@ fn test_or_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
or_instr.execute(&mut cpu);
|
||||
or_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg3), 0b1110);
|
||||
}
|
||||
|
||||
@@ -240,7 +274,9 @@ fn test_xor_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
xor_instr.execute(&mut cpu);
|
||||
xor_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg3), 0b0110);
|
||||
}
|
||||
|
||||
@@ -256,7 +292,9 @@ fn test_not_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
not_instr.execute(&mut cpu);
|
||||
not_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg2), 0xF0F0_F0F0);
|
||||
}
|
||||
|
||||
@@ -273,7 +311,9 @@ fn test_compare_equal() {
|
||||
None,
|
||||
));
|
||||
|
||||
cmp_instr.execute(&mut cpu);
|
||||
cmp_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
|
||||
assert!(cpu.get_flag(Flag::Equal));
|
||||
assert!(!cpu.get_flag(Flag::GreaterThan));
|
||||
@@ -293,7 +333,9 @@ fn test_compare_greater_than() {
|
||||
None,
|
||||
));
|
||||
|
||||
cmp_instr.execute(&mut cpu);
|
||||
cmp_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
|
||||
assert!(!cpu.get_flag(Flag::Equal));
|
||||
assert!(cpu.get_flag(Flag::GreaterThan));
|
||||
@@ -313,7 +355,9 @@ fn test_compare_less_than() {
|
||||
None,
|
||||
));
|
||||
|
||||
cmp_instr.execute(&mut cpu);
|
||||
cmp_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
|
||||
assert!(!cpu.get_flag(Flag::Equal));
|
||||
assert!(!cpu.get_flag(Flag::GreaterThan));
|
||||
@@ -328,7 +372,9 @@ fn test_increment_instruction() {
|
||||
let inc_instr =
|
||||
Instruction::Increment(RTypeArgs::new(Some(Register::Rg1), None, None, None));
|
||||
|
||||
inc_instr.execute(&mut cpu);
|
||||
inc_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg1), 43);
|
||||
}
|
||||
|
||||
@@ -340,7 +386,9 @@ fn test_decrement_instruction() {
|
||||
let dec_instr =
|
||||
Instruction::Decrement(RTypeArgs::new(Some(Register::Rg1), None, None, None));
|
||||
|
||||
dec_instr.execute(&mut cpu);
|
||||
dec_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg1), 41);
|
||||
}
|
||||
|
||||
@@ -356,7 +404,9 @@ fn test_shift_left_with_shamt() {
|
||||
Some(2),
|
||||
));
|
||||
|
||||
shl_instr.execute(&mut cpu);
|
||||
shl_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg1), 0b10_1000);
|
||||
}
|
||||
|
||||
@@ -372,7 +422,9 @@ fn test_shift_right_with_shamt() {
|
||||
Some(2),
|
||||
));
|
||||
|
||||
shr_instr.execute(&mut cpu);
|
||||
shr_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg1), 0b1010);
|
||||
}
|
||||
|
||||
@@ -389,7 +441,9 @@ fn test_shift_left_with_register() {
|
||||
None,
|
||||
));
|
||||
|
||||
shl_instr.execute(&mut cpu);
|
||||
shl_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg1), 0b101_0000);
|
||||
}
|
||||
|
||||
@@ -403,7 +457,9 @@ fn test_load_lower_immediate() {
|
||||
None,
|
||||
));
|
||||
|
||||
lli_instr.execute(&mut cpu);
|
||||
lli_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg1), 0x0000_1234);
|
||||
}
|
||||
|
||||
@@ -418,7 +474,9 @@ fn test_load_upper_immediate() {
|
||||
None,
|
||||
));
|
||||
|
||||
lui_instr.execute(&mut cpu);
|
||||
lui_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg1), 0x1234_5678);
|
||||
}
|
||||
|
||||
@@ -430,7 +488,9 @@ fn test_jump_unconditional() {
|
||||
|
||||
let jump_instr = Instruction::Jump(ITypeArgs::new(0x100, Some(Register::Rg1), None));
|
||||
|
||||
jump_instr.execute(&mut cpu);
|
||||
jump_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Pcx), 0x1100);
|
||||
assert_ne!(cpu.get(Register::Pcx), initial_pc);
|
||||
}
|
||||
@@ -444,7 +504,9 @@ fn test_jump_equal_when_flag_set() {
|
||||
let jump_eq_instr =
|
||||
Instruction::JumpEq(ITypeArgs::new(0x100, Some(Register::Rg1), None));
|
||||
|
||||
jump_eq_instr.execute(&mut cpu);
|
||||
jump_eq_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Pcx), 0x1100);
|
||||
}
|
||||
|
||||
@@ -458,7 +520,9 @@ fn test_jump_equal_when_flag_not_set() {
|
||||
let jump_eq_instr =
|
||||
Instruction::JumpEq(ITypeArgs::new(0x100, Some(Register::Rg1), None));
|
||||
|
||||
jump_eq_instr.execute(&mut cpu);
|
||||
jump_eq_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Pcx), initial_pc);
|
||||
}
|
||||
|
||||
@@ -467,7 +531,9 @@ fn test_halt_instruction() {
|
||||
let mut cpu = create_test_processor();
|
||||
assert!(!cpu.halted);
|
||||
|
||||
Instruction::Halt.execute(&mut cpu);
|
||||
Instruction::Halt.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert!(cpu.halted);
|
||||
}
|
||||
|
||||
@@ -484,7 +550,9 @@ fn test_nand_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
nand_instr.execute(&mut cpu);
|
||||
nand_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg3), !0b1000);
|
||||
}
|
||||
|
||||
@@ -501,7 +569,9 @@ fn test_nor_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
nor_instr.execute(&mut cpu);
|
||||
nor_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg3), !0b1110);
|
||||
}
|
||||
|
||||
@@ -518,6 +588,8 @@ fn test_xnor_instruction() {
|
||||
None,
|
||||
));
|
||||
|
||||
xnor_instr.execute(&mut cpu);
|
||||
xnor_instr.execute(&mut cpu).expect(
|
||||
"Emulator was slain by losing the game while attempting to execute instruction",
|
||||
);
|
||||
assert_eq!(cpu.get(Register::Rg3), !0b0110);
|
||||
}
|
||||
|
||||
@@ -1,5 +1,3 @@
|
||||
use std::sync::mpsc::Sender;
|
||||
|
||||
use crate::emulator::{
|
||||
system::model::{Command, Running, State},
|
||||
ui::interface::Component,
|
||||
@@ -9,19 +7,27 @@ use common::{instructions::Register, prelude::Instruction};
|
||||
|
||||
pub struct ControlPanel {
|
||||
visible: bool,
|
||||
sender: Sender<Command>,
|
||||
step_amount_input: String,
|
||||
step_amount: usize,
|
||||
}
|
||||
|
||||
impl ControlPanel {
|
||||
#[must_use]
|
||||
pub const fn new(sender: Sender<Command>) -> Self {
|
||||
#[allow(clippy::must_use_candidate)]
|
||||
pub fn new() -> Self {
|
||||
Self {
|
||||
visible: false,
|
||||
sender,
|
||||
step_amount_input: String::from("1"),
|
||||
step_amount: 1,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Default for ControlPanel {
|
||||
fn default() -> Self {
|
||||
Self::new()
|
||||
}
|
||||
}
|
||||
|
||||
impl Component for ControlPanel {
|
||||
fn category(&self) -> super::interface::Category {
|
||||
super::interface::Category::Control
|
||||
@@ -47,46 +53,76 @@ impl Component for ControlPanel {
|
||||
.clicked()
|
||||
{
|
||||
if state.running == Running::Running {
|
||||
self.sender.send(Command::Stop).unwrap_or_else(|_| {
|
||||
state.error = Some("Failed to send command".to_string());
|
||||
state.cmd_sender.send(Command::Stop).unwrap_or_else(|_| {
|
||||
state.error_log.push("Failed to send command".to_string());
|
||||
});
|
||||
} else {
|
||||
self.sender.send(Command::Start).unwrap_or_else(|_| {
|
||||
state.error = Some("Failed to send command".to_string());
|
||||
state.cmd_sender.send(Command::Start).unwrap_or_else(|_| {
|
||||
state.error_log.push("Failed to send command".to_string());
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
// Step
|
||||
if ui.button("Step").clicked() {
|
||||
self.sender.send(Command::Step).unwrap_or_else(|_| {
|
||||
state.error = Some("Failed to send command".to_string());
|
||||
});
|
||||
state
|
||||
.cmd_sender
|
||||
.send(Command::Step(self.step_amount))
|
||||
.unwrap_or_else(|_| {
|
||||
state.error_log.push("Failed to send command".to_string());
|
||||
});
|
||||
}
|
||||
|
||||
// Resets the emulator and all attached devices
|
||||
if ui.button("Reset All").clicked() {
|
||||
self.sender.send(Command::Reset(0)).unwrap_or_else(|_| {
|
||||
state.error = Some("Failed to send command".to_string());
|
||||
});
|
||||
state
|
||||
.cmd_sender
|
||||
.send(Command::Reset(0))
|
||||
.unwrap_or_else(|_| {
|
||||
state.error_log.push("Failed to send command".to_string());
|
||||
});
|
||||
}
|
||||
|
||||
// Resets the emulator and all attached devices
|
||||
if ui.button("Clear Registers").clicked() {
|
||||
self.sender.send(Command::Reset(1)).unwrap_or_else(|_| {
|
||||
state.error = Some("Failed to send command".to_string());
|
||||
});
|
||||
state
|
||||
.cmd_sender
|
||||
.send(Command::Reset(1))
|
||||
.unwrap_or_else(|_| {
|
||||
state.error_log.push("Failed to send command".to_string());
|
||||
});
|
||||
}
|
||||
|
||||
// Resets the emulator and all attached devices
|
||||
if ui.button("Clear RAM").clicked() {
|
||||
self.sender.send(Command::Reset(2)).unwrap_or_else(|_| {
|
||||
state.error = Some("Failed to send command".to_string());
|
||||
});
|
||||
state
|
||||
.cmd_sender
|
||||
.send(Command::Reset(2))
|
||||
.unwrap_or_else(|_| {
|
||||
state.error_log.push("Failed to send command".to_string());
|
||||
});
|
||||
}
|
||||
|
||||
ui.separator();
|
||||
|
||||
state.send(Command::RegisterRequest);
|
||||
state.send(Command::RunningRequest);
|
||||
state.send(Command::InstructionCountRequest);
|
||||
|
||||
if ui
|
||||
.text_edit_singleline(&mut self.step_amount_input)
|
||||
.changed()
|
||||
{
|
||||
self.step_amount = if let Ok(amount) = self.step_amount_input.parse() {
|
||||
amount
|
||||
} else {
|
||||
state
|
||||
.error_log
|
||||
.push("Unable to parse step amount".to_string());
|
||||
1
|
||||
}
|
||||
}
|
||||
|
||||
// Status info
|
||||
ui.label(format!(
|
||||
"Status: {}",
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
use crate::emulator::{
|
||||
system::model::State,
|
||||
system::model::{Command, State},
|
||||
ui::interface::{Category, Component},
|
||||
};
|
||||
|
||||
@@ -40,6 +40,8 @@ impl Component for Display {
|
||||
}
|
||||
|
||||
fn render(&mut self, state: &mut State, ui: &mut egui::Ui, _ctx: &egui::Context) {
|
||||
state.send(Command::DisplayRequest);
|
||||
|
||||
let display: Vec<u8> = state.display_view.clone();
|
||||
let font_id = FontId::monospace(12.0);
|
||||
|
||||
|
||||
@@ -3,7 +3,6 @@ use std::{
|
||||
ffi::OsStr,
|
||||
fs,
|
||||
path::{Path, PathBuf},
|
||||
sync::mpsc::Sender,
|
||||
};
|
||||
|
||||
use common::prelude::Instruction;
|
||||
@@ -19,6 +18,7 @@ use crate::emulator::{
|
||||
|
||||
use assembler::prelude::*;
|
||||
|
||||
#[derive(Default)]
|
||||
pub struct Editor {
|
||||
// editor state
|
||||
path: Option<PathBuf>,
|
||||
@@ -41,7 +41,6 @@ pub struct Editor {
|
||||
|
||||
// other
|
||||
visible: bool,
|
||||
sender: Sender<Command>,
|
||||
error: Option<String>,
|
||||
}
|
||||
|
||||
@@ -94,14 +93,13 @@ impl Component for Editor {
|
||||
|
||||
impl Editor {
|
||||
#[must_use]
|
||||
pub const fn new(sender: Sender<Command>) -> Self {
|
||||
pub const fn new() -> Self {
|
||||
Self {
|
||||
path: None,
|
||||
text: String::new(),
|
||||
buffer: String::new(),
|
||||
output: Vec::new(),
|
||||
unsaved: true,
|
||||
sender,
|
||||
cursor_col: 1,
|
||||
cursor_line: 1,
|
||||
visible: false,
|
||||
@@ -199,38 +197,6 @@ impl Editor {
|
||||
)
|
||||
});
|
||||
|
||||
// if let Some(path) = FileDialog::new()
|
||||
// .add_filter("Assembly Files or Binaries", &["dsa", "dsb"])
|
||||
// .add_filter("all", &["*"])
|
||||
// .set_directory(&work_dir)
|
||||
// .pick_file()
|
||||
// {
|
||||
// match path.extension().and_then(|ext| ext.to_str()) {
|
||||
// Some("dsb") => {
|
||||
// let contents = match std::fs::read(&path) {
|
||||
// Ok(contents) => contents,
|
||||
// Err(why) => {
|
||||
// self.error = Some(format!("Failed to read file: {why}"));
|
||||
// return;
|
||||
// }
|
||||
// };
|
||||
|
||||
// self.path = Some(path.clone());
|
||||
// self.output = contents;
|
||||
// self.unsaved = false;
|
||||
// self.text = String::from("Loaded Binary File!");
|
||||
// self.buffer = self.text.clone();
|
||||
// self.unsaved = false;
|
||||
// }
|
||||
// _ => {
|
||||
// if let Ok(contents) = std::fs::read_to_string(&path) {
|
||||
// self.path = Some(path.clone());
|
||||
// self.text.clone_from(&contents);
|
||||
// self.buffer = contents;
|
||||
// self.unsaved = false;
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
if self.save_file_dialog.is_some() {
|
||||
// TODO: Flash an error stating you can only have one menu open at once.
|
||||
self.save_file_dialog = None;
|
||||
@@ -252,119 +218,92 @@ impl Editor {
|
||||
|
||||
fn handle_file_dialogs(&mut self, ctx: &egui::Context) {
|
||||
// Handle open dialog
|
||||
if let Some(dialog) = &mut self.open_file_dialog {
|
||||
if dialog.show(ctx).selected() {
|
||||
if let Some(file) = dialog.path() {
|
||||
// check if the file is a binary file
|
||||
if file.extension().is_some_and(|ext| ext == "dsb") {
|
||||
match std::fs::read(file) {
|
||||
Ok(content) => {
|
||||
let mut res = String::new();
|
||||
for (i, b) in content.iter().enumerate() {
|
||||
_ = write!(res, "{b:02x}");
|
||||
if i % 4 == 3 {
|
||||
res.push('\n');
|
||||
}
|
||||
}
|
||||
self.text = res.clone();
|
||||
self.buffer = res;
|
||||
self.path = Some(file.to_path_buf());
|
||||
self.unsaved = false;
|
||||
self.error = None;
|
||||
}
|
||||
Err(e) => {
|
||||
self.error = Some(format!("Failed to read file: {e}"));
|
||||
}
|
||||
}
|
||||
} else {
|
||||
match std::fs::read_to_string(file) {
|
||||
Ok(content) => {
|
||||
self.text = content.clone();
|
||||
self.buffer = content;
|
||||
self.path = Some(file.to_path_buf());
|
||||
self.unsaved = false;
|
||||
self.error = None;
|
||||
}
|
||||
Err(e) => {
|
||||
self.error = Some(format!("Failed to read file: {e}"));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
self.open_file_dialog = None;
|
||||
}
|
||||
}
|
||||
|
||||
// Handle save dialog
|
||||
if let Some(dialog) = &mut self.save_file_dialog {
|
||||
if dialog.show(ctx).selected() {
|
||||
if let Some(file) = dialog.path() {
|
||||
self.buffer = self.text.clone();
|
||||
|
||||
let content = if file.extension().is_some_and(|ext| ext == "dsb") {
|
||||
let mut res = Vec::new();
|
||||
for line in self.text.lines() {
|
||||
for line in line.split_whitespace() {
|
||||
match u32::from_str_radix(line, 16) {
|
||||
Ok(num) => res.push(num),
|
||||
Err(e) => {
|
||||
self.error =
|
||||
Some(format!("Failed to parse file: {e}"));
|
||||
return;
|
||||
}
|
||||
if let Some(dialog) = &mut self.open_file_dialog
|
||||
&& dialog.show(ctx).selected()
|
||||
{
|
||||
if let Some(file) = dialog.path() {
|
||||
// check if the file is a binary file
|
||||
if file.extension().is_some_and(|ext| ext == "dsb") {
|
||||
match std::fs::read(file) {
|
||||
Ok(content) => {
|
||||
let mut res = String::new();
|
||||
for (i, b) in content.iter().enumerate() {
|
||||
_ = write!(res, "{b:02x}");
|
||||
if i % 4 == 3 {
|
||||
res.push('\n');
|
||||
}
|
||||
}
|
||||
}
|
||||
res.into_iter()
|
||||
.flat_map(u32::to_be_bytes)
|
||||
.collect::<Vec<u8>>()
|
||||
} else {
|
||||
self.text.clone().as_bytes().to_vec()
|
||||
};
|
||||
|
||||
match std::fs::write(file, content) {
|
||||
Ok(()) => {
|
||||
self.text = res.clone();
|
||||
self.buffer = res;
|
||||
self.path = Some(file.to_path_buf());
|
||||
self.unsaved = false;
|
||||
self.error = None;
|
||||
}
|
||||
Err(e) => {
|
||||
self.error = Some(format!("Failed to save file: {e}"));
|
||||
self.error = Some(format!("Failed to read file: {e}"));
|
||||
}
|
||||
}
|
||||
} else {
|
||||
match std::fs::read_to_string(file) {
|
||||
Ok(content) => {
|
||||
self.text = content.clone();
|
||||
self.buffer = content;
|
||||
self.path = Some(file.to_path_buf());
|
||||
self.unsaved = false;
|
||||
self.error = None;
|
||||
}
|
||||
Err(e) => {
|
||||
self.error = Some(format!("Failed to read file: {e}"));
|
||||
}
|
||||
}
|
||||
}
|
||||
self.save_file_dialog = None;
|
||||
}
|
||||
self.open_file_dialog = None;
|
||||
}
|
||||
|
||||
// Handle save dialog
|
||||
if let Some(dialog) = &mut self.save_file_dialog
|
||||
&& dialog.show(ctx).selected()
|
||||
{
|
||||
if let Some(file) = dialog.path() {
|
||||
self.buffer = self.text.clone();
|
||||
|
||||
let content = if file.extension().is_some_and(|ext| ext == "dsb") {
|
||||
let mut res = Vec::new();
|
||||
for line in self.text.lines() {
|
||||
for line in line.split_whitespace() {
|
||||
match u32::from_str_radix(line, 16) {
|
||||
Ok(num) => res.push(num),
|
||||
Err(e) => {
|
||||
self.error =
|
||||
Some(format!("Failed to parse file: {e}"));
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
res.into_iter()
|
||||
.flat_map(u32::to_be_bytes)
|
||||
.collect::<Vec<u8>>()
|
||||
} else {
|
||||
self.text.clone().as_bytes().to_vec()
|
||||
};
|
||||
|
||||
match std::fs::write(file, content) {
|
||||
Ok(()) => {
|
||||
self.path = Some(file.to_path_buf());
|
||||
self.unsaved = false;
|
||||
self.error = None;
|
||||
}
|
||||
Err(e) => {
|
||||
self.error = Some(format!("Failed to save file: {e}"));
|
||||
}
|
||||
}
|
||||
}
|
||||
self.save_file_dialog = None;
|
||||
}
|
||||
}
|
||||
|
||||
// fn open(&mut self) {
|
||||
// let work_dir = std::env::current_dir().unwrap_or_else(|_| {
|
||||
// dirs::home_dir().expect(
|
||||
// "Couldn't get your current working directory or your home directory.",
|
||||
// )
|
||||
// });
|
||||
|
||||
// if let Some(path) = FileDialog::new()
|
||||
// .add_filter("Assembly Files or Binaries", &["dsa", "dsb"])
|
||||
// .add_filter("all", &["*"])
|
||||
// .set_directory(&work_dir)
|
||||
// .pick_file()
|
||||
// {
|
||||
// if let Ok(contents) = std::fs::read_to_string(&path) {
|
||||
// self.path = Some(path.clone());
|
||||
// self.text.clone_from(&contents);
|
||||
// self.buffer = contents;
|
||||
// self.unsaved = false;
|
||||
// }
|
||||
|
||||
// std::env::set_current_dir(
|
||||
// path.parent().expect("A file should be in a directory!"),
|
||||
// )
|
||||
// .expect("ERROR: Failed to set current working directory.");
|
||||
// }
|
||||
// }
|
||||
|
||||
fn render_output(&self, _state: &mut State, ui: &mut Ui, _ctx: &Context) {
|
||||
// Output area with synchronized scrolling
|
||||
egui::ScrollArea::vertical()
|
||||
@@ -526,7 +465,7 @@ impl Editor {
|
||||
}
|
||||
}
|
||||
|
||||
fn render_toolbar(&mut self, _state: &mut State, ui: &mut Ui, ctx: &Context) {
|
||||
fn render_toolbar(&mut self, state: &State, ui: &mut Ui, ctx: &Context) {
|
||||
self.handle_file_dialogs(ctx);
|
||||
|
||||
ui.horizontal(|ui| {
|
||||
@@ -567,7 +506,8 @@ impl Editor {
|
||||
Some("Can't load program at invalid offset!".to_string());
|
||||
}
|
||||
|
||||
self.sender
|
||||
state
|
||||
.cmd_sender
|
||||
.send(Command::Write(self.load_offset, self.output.clone()))
|
||||
.unwrap_or_else(|_| {
|
||||
self.error = Some("Failed to send command".to_string());
|
||||
|
||||
@@ -1,6 +1,9 @@
|
||||
use egui::{Context, Ui};
|
||||
|
||||
use crate::emulator::{system::model::State, ui::interface::Component};
|
||||
use crate::emulator::{
|
||||
system::model::{Command, State},
|
||||
ui::interface::Component,
|
||||
};
|
||||
|
||||
pub struct History {
|
||||
visible: bool,
|
||||
@@ -20,11 +23,13 @@ impl Component for History {
|
||||
}
|
||||
|
||||
fn render(&mut self, state: &mut State, ui: &mut Ui, _ctx: &Context) {
|
||||
state.send(Command::HistoryRequest);
|
||||
|
||||
egui::ScrollArea::vertical()
|
||||
.id_salt("output_scroll")
|
||||
.max_width(400.0)
|
||||
.show(ui, |ui| {
|
||||
if state.persistent.history.is_empty() {
|
||||
if state.instruction_history.is_empty() {
|
||||
ui.label(
|
||||
egui::RichText::new("No output data")
|
||||
.font(egui::FontId::monospace(12.0))
|
||||
@@ -40,7 +45,7 @@ impl Component for History {
|
||||
.show(ui, |ui| {
|
||||
// Process bytes in chunks of 4
|
||||
for (idx, instruction) in
|
||||
state.persistent.history.iter().enumerate()
|
||||
state.instruction_history.iter().enumerate()
|
||||
{
|
||||
ui.label(format!("{idx}: "));
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
use crate::emulator::system::model::{Command, PersistentState, Running, State};
|
||||
use crate::emulator::system::model::{Command, Running, State, StateUpdate};
|
||||
use std::sync::mpsc::{Receiver, Sender};
|
||||
|
||||
pub trait Component {
|
||||
@@ -34,21 +34,15 @@ impl Category {
|
||||
}
|
||||
|
||||
pub struct EmulatorUI {
|
||||
pub sender: Sender<Command>,
|
||||
pub receiver: Receiver<State>,
|
||||
pub state: State,
|
||||
pub persistent: PersistentState,
|
||||
pub components: Vec<Box<dyn Component>>,
|
||||
}
|
||||
|
||||
impl EmulatorUI {
|
||||
#[must_use]
|
||||
pub fn new(sender: Sender<Command>, receiver: Receiver<State>) -> Self {
|
||||
pub fn new(sender: Sender<Command>, receiver: Receiver<StateUpdate>) -> Self {
|
||||
Self {
|
||||
sender,
|
||||
receiver,
|
||||
state: State::default(),
|
||||
persistent: PersistentState::default(),
|
||||
state: State::new(sender, receiver),
|
||||
components: vec![],
|
||||
}
|
||||
}
|
||||
@@ -56,19 +50,13 @@ impl EmulatorUI {
|
||||
pub fn add_component(&mut self, component: Box<dyn Component>) {
|
||||
self.components.push(component);
|
||||
}
|
||||
|
||||
fn update_state(&mut self) {
|
||||
while let Ok(state) = self.receiver.try_recv() {
|
||||
self.state = state;
|
||||
self.persistent.update(&self.state.persistent);
|
||||
self.state.persistent = self.persistent.clone();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl eframe::App for EmulatorUI {
|
||||
fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
|
||||
self.update_state();
|
||||
if let Err(e) = self.state.update() {
|
||||
self.state.error_log.push(e.to_string());
|
||||
}
|
||||
|
||||
if self.state.running == Running::Running {
|
||||
ctx.request_repaint();
|
||||
|
||||
@@ -0,0 +1,294 @@
|
||||
use std::{
|
||||
ffi::OsStr,
|
||||
path::{Path, PathBuf},
|
||||
};
|
||||
|
||||
use common::prelude::Instruction;
|
||||
use egui::{Context, Ui};
|
||||
use egui_file::FileDialog;
|
||||
|
||||
use crate::emulator::{
|
||||
system::model::{Command, State},
|
||||
ui::interface::Component,
|
||||
};
|
||||
|
||||
#[derive(Default)]
|
||||
pub struct Loader {
|
||||
path: Option<PathBuf>,
|
||||
output: Vec<u8>,
|
||||
load_offset: u32,
|
||||
offset_str: String,
|
||||
|
||||
// file dialogs
|
||||
open_file_dialog: Option<FileDialog>,
|
||||
|
||||
// other
|
||||
visible: bool,
|
||||
error: Option<String>,
|
||||
}
|
||||
|
||||
impl Component for Loader {
|
||||
fn name(&self) -> &'static str {
|
||||
"Loader"
|
||||
}
|
||||
|
||||
fn visible(&mut self) -> &mut bool {
|
||||
&mut self.visible
|
||||
}
|
||||
|
||||
fn category(&self) -> super::interface::Category {
|
||||
super::interface::Category::Programming
|
||||
}
|
||||
|
||||
fn render(&mut self, state: &mut State, ui: &mut Ui, ctx: &Context) {
|
||||
ui.vertical(|ui| {
|
||||
self.render_toolbar(state, ui, ctx);
|
||||
|
||||
ui.add_space(4.0); // Add some spacing instead of just a separator
|
||||
ui.separator();
|
||||
|
||||
egui::ScrollArea::vertical()
|
||||
.auto_shrink([false; 2])
|
||||
.max_height(ui.available_height() - 100.0)
|
||||
.show(ui, |ui| {
|
||||
self.render_output(state, ui, ctx);
|
||||
});
|
||||
|
||||
self.render_bottom_bar(state, ui, ctx);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
impl Loader {
|
||||
#[must_use]
|
||||
pub const fn new() -> Self {
|
||||
Self {
|
||||
path: None,
|
||||
output: Vec::new(),
|
||||
visible: false,
|
||||
load_offset: 0,
|
||||
offset_str: String::new(),
|
||||
error: None,
|
||||
open_file_dialog: None,
|
||||
}
|
||||
}
|
||||
|
||||
fn filename(&self) -> &str {
|
||||
if let Some(path) = &self.path {
|
||||
return path
|
||||
.file_name()
|
||||
.unwrap_or_else(|| OsStr::new("Unnamed!"))
|
||||
.to_str()
|
||||
.map_or_else(
|
||||
|| unreachable!("File name should be valid UTF-8."),
|
||||
|ext| ext,
|
||||
);
|
||||
}
|
||||
"Unnamed!"
|
||||
}
|
||||
|
||||
fn open(&mut self) {
|
||||
let work_dir = std::env::current_dir().unwrap_or_else(|_| {
|
||||
dirs::home_dir().expect(
|
||||
"Couldn't get your current working directory or your home directory.",
|
||||
)
|
||||
});
|
||||
|
||||
if self.open_file_dialog.is_some() {
|
||||
// TODO: Flash an error stating you can only have one menu open at once.
|
||||
self.open_file_dialog = None;
|
||||
}
|
||||
|
||||
if self.open_file_dialog.is_none() {
|
||||
if let Some(p) = &self.path {
|
||||
let path = p.parent().map(Path::to_path_buf);
|
||||
let mut dialog = FileDialog::open_file(path);
|
||||
dialog.open();
|
||||
self.open_file_dialog = Some(dialog);
|
||||
} else {
|
||||
let mut dialog = FileDialog::open_file(Some(work_dir));
|
||||
dialog.open();
|
||||
self.open_file_dialog = Some(dialog);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn handle_file_dialogs(&mut self, ctx: &egui::Context) {
|
||||
// Handle open dialog
|
||||
if let Some(dialog) = &mut self.open_file_dialog
|
||||
&& dialog.show(ctx).selected()
|
||||
{
|
||||
if let Some(file) = dialog.path() {
|
||||
// check if the file is a binary file
|
||||
if file.extension().is_some_and(|ext| ext == "dsb") {
|
||||
match std::fs::read(file) {
|
||||
Ok(content) => {
|
||||
self.output = content;
|
||||
self.error = None;
|
||||
}
|
||||
Err(e) => {
|
||||
self.error = Some(format!("Failed to read file: {e}"));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
self.open_file_dialog = None;
|
||||
}
|
||||
}
|
||||
|
||||
fn render_output(&self, _state: &mut State, ui: &mut Ui, _ctx: &Context) {
|
||||
// Output area with synchronized scrolling
|
||||
egui::ScrollArea::vertical()
|
||||
.id_salt("output_scroll")
|
||||
.max_width(400.0)
|
||||
.show(ui, |ui| {
|
||||
if self.output.is_empty() {
|
||||
ui.label(
|
||||
egui::RichText::new("No output data")
|
||||
.font(egui::FontId::monospace(12.0))
|
||||
.color(egui::Color32::GRAY),
|
||||
);
|
||||
return;
|
||||
}
|
||||
|
||||
egui::Grid::new("output_grid")
|
||||
.spacing([5.0, 2.0]) // Horizontal and vertical spacing
|
||||
.num_columns(4)
|
||||
.striped(false)
|
||||
.show(ui, |ui| {
|
||||
// Process bytes in chunks of 4
|
||||
for (line_num, chunk) in self.output.chunks(4).enumerate() {
|
||||
let address = line_num * 4;
|
||||
|
||||
// Convert chunk to u32 (little-endian)
|
||||
let mut bytes = [0u8; 4];
|
||||
for (i, &byte) in chunk.iter().enumerate() {
|
||||
if i < 4 {
|
||||
bytes[i] = byte;
|
||||
}
|
||||
}
|
||||
let value = u32::from_be_bytes(bytes);
|
||||
|
||||
// Address column
|
||||
ui.with_layout(
|
||||
egui::Layout::left_to_right(egui::Align::Center),
|
||||
|ui| {
|
||||
ui.set_min_width(80.0);
|
||||
let style = ui.style_mut();
|
||||
style.visuals.widgets.inactive.bg_fill =
|
||||
egui::Color32::from_gray(30);
|
||||
ui.label(
|
||||
egui::RichText::new(format!("0x{address:04X}"))
|
||||
.font(egui::FontId::monospace(12.0)),
|
||||
);
|
||||
},
|
||||
);
|
||||
|
||||
// Individual bytes column
|
||||
let byte_str = chunk
|
||||
.iter()
|
||||
.map(|b| format!("{b:02X}"))
|
||||
.collect::<Vec<_>>()
|
||||
.join(" ");
|
||||
|
||||
ui.label(
|
||||
egui::RichText::new(format!("{byte_str:<11}"))
|
||||
.font(egui::FontId::monospace(12.0))
|
||||
.color(egui::Color32::from_rgb(200, 200, 255)),
|
||||
);
|
||||
|
||||
// Hex column
|
||||
ui.label(
|
||||
egui::RichText::new(format!("0x{value:08X}"))
|
||||
.font(egui::FontId::monospace(12.0))
|
||||
.color(egui::Color32::from_rgb(255, 200, 200)),
|
||||
);
|
||||
|
||||
// Instruction column
|
||||
let instruction = Instruction::decode(value).map_or_else(
|
||||
|_| format!("{value:10}"),
|
||||
|instruction| instruction.to_string(),
|
||||
);
|
||||
|
||||
ui.label(
|
||||
egui::RichText::new(instruction)
|
||||
.font(egui::FontId::monospace(12.0))
|
||||
.color(egui::Color32::from_rgb(200, 255, 200)),
|
||||
);
|
||||
|
||||
ui.end_row();
|
||||
}
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
fn render_bottom_bar(&self, _state: &mut State, ui: &mut Ui, _ctx: &Context) {
|
||||
ui.horizontal(|ui| {
|
||||
// error display
|
||||
ui.label(
|
||||
egui::RichText::new(self.error.clone().unwrap_or_default())
|
||||
.color(egui::Color32::RED),
|
||||
);
|
||||
});
|
||||
}
|
||||
|
||||
fn render_toolbar(&mut self, state: &State, ui: &mut Ui, ctx: &Context) {
|
||||
self.handle_file_dialogs(ctx);
|
||||
|
||||
ui.horizontal(|ui| {
|
||||
ui.label(format!("Filename: {}", self.filename()));
|
||||
});
|
||||
|
||||
ui.horizontal(|ui| {
|
||||
ui.spacing_mut().button_padding = egui::vec2(8.0, 4.0);
|
||||
ui.spacing_mut().item_spacing.x = 6.0;
|
||||
|
||||
// Opens a file
|
||||
if ui.button("Open").clicked() {
|
||||
self.open();
|
||||
}
|
||||
|
||||
// Loads the generated binary into the assembler at the provided offset
|
||||
if ui.button("Load").clicked() {
|
||||
if self.error.is_some() {
|
||||
self.error =
|
||||
Some("Can't load program at invalid offset!".to_string());
|
||||
}
|
||||
|
||||
state
|
||||
.cmd_sender
|
||||
.send(Command::Write(self.load_offset, self.output.clone()))
|
||||
.unwrap_or_else(|_| {
|
||||
self.error = Some("Failed to send command".to_string());
|
||||
});
|
||||
}
|
||||
|
||||
// Entry widget to enter a load offset
|
||||
if ui.text_edit_singleline(&mut self.offset_str).changed() {
|
||||
if let Some(offset) = parse_address(&self.offset_str) {
|
||||
self.load_offset = offset;
|
||||
self.error = None;
|
||||
} else {
|
||||
self.error = Some("Invalid offset".to_string());
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
fn parse_address(address: &str) -> Option<u32> {
|
||||
address.strip_prefix("0x").map_or_else(
|
||||
|| {
|
||||
address.strip_prefix("0b").map_or_else(
|
||||
|| {
|
||||
address.strip_prefix("0o").map_or_else(
|
||||
|| address.parse::<u32>().ok(),
|
||||
|oct| u32::from_str_radix(oct, 8).ok(),
|
||||
)
|
||||
},
|
||||
|bin| u32::from_str_radix(bin, 2).ok(),
|
||||
)
|
||||
},
|
||||
|hex| u32::from_str_radix(hex, 16).ok(),
|
||||
)
|
||||
}
|
||||
@@ -1,4 +1,4 @@
|
||||
use std::{num::ParseIntError, sync::mpsc::Sender};
|
||||
use std::num::ParseIntError;
|
||||
|
||||
use common::prelude::Instruction;
|
||||
|
||||
@@ -7,23 +7,22 @@ use crate::emulator::{
|
||||
ui::interface::Component,
|
||||
};
|
||||
|
||||
#[derive(Default)]
|
||||
pub struct MemoryInspector {
|
||||
view_size: u32,
|
||||
view_addr: u32,
|
||||
visible: bool,
|
||||
addr_input: String,
|
||||
sender: Sender<Command>,
|
||||
}
|
||||
|
||||
impl MemoryInspector {
|
||||
#[must_use]
|
||||
pub const fn new(sender: Sender<Command>) -> Self {
|
||||
pub const fn new() -> Self {
|
||||
Self {
|
||||
view_size: 256,
|
||||
view_addr: 0,
|
||||
visible: false,
|
||||
addr_input: String::new(),
|
||||
sender,
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -63,28 +62,26 @@ impl Component for MemoryInspector {
|
||||
let search_clicked = ui.button("🔍 Search").clicked();
|
||||
|
||||
// Handle Enter key in text field
|
||||
let enter_pressed =
|
||||
address_response.lost_focus() && ctx.input(|i| i.key_pressed(egui::Key::Enter));
|
||||
let enter_pressed = address_response.lost_focus()
|
||||
&& ctx.input(|i| i.key_pressed(egui::Key::Enter));
|
||||
|
||||
if search_clicked || enter_pressed {
|
||||
if let Ok(new) = parse_address(&self.addr_input) {
|
||||
self.view_addr = new;
|
||||
|
||||
if let Err(why) = self.sender.send(Command::Read(new, self.view_size)) {
|
||||
panic!(
|
||||
"Error sending message across threads -- cannot be recovered: {why}"
|
||||
)
|
||||
}
|
||||
} else {
|
||||
state.error = Some("Invalid address".to_string());
|
||||
state.error_log.push("Invalid address".to_string());
|
||||
}
|
||||
}
|
||||
|
||||
let _ = state
|
||||
.cmd_sender
|
||||
.send(Command::MemRequest(self.view_addr, self.view_size));
|
||||
|
||||
ui.label("(hex or decimal)");
|
||||
});
|
||||
|
||||
// Show input error if any
|
||||
if let Some(error) = &state.error {
|
||||
if let Some(error) = state.error_log.last() {
|
||||
ui.colored_label(egui::Color32::RED, format!("Error: {error}"));
|
||||
}
|
||||
|
||||
@@ -113,9 +110,12 @@ impl Component for MemoryInspector {
|
||||
ui.end_row();
|
||||
|
||||
// Memory data (8 bytes per row)
|
||||
for (row, chunk) in (0u32..).zip(state.memory_view.chunks(4)) {
|
||||
for (row, chunk) in (0u32..).zip(state.memory_view.chunks(4))
|
||||
{
|
||||
let row_address = self.view_addr + (row * 4);
|
||||
ui.monospace(format!("0x{row_address:08X} ({row_address})"));
|
||||
ui.monospace(format!(
|
||||
"0x{row_address:08X} ({row_address})"
|
||||
));
|
||||
for &byte in chunk {
|
||||
ui.monospace(format!("{byte:02X}"));
|
||||
}
|
||||
@@ -126,12 +126,16 @@ impl Component for MemoryInspector {
|
||||
}
|
||||
|
||||
// combine all 4 bytes in the chunk into a u32
|
||||
let combined = chunk
|
||||
.iter()
|
||||
.fold(0u32, |acc, &byte| (acc << 8) | u32::from(byte));
|
||||
let combined = chunk.iter().fold(0u32, |acc, &byte| {
|
||||
(acc << 8) | u32::from(byte)
|
||||
});
|
||||
|
||||
ui.monospace(format!("{combined}"));
|
||||
ui.monospace(format!("{}", Instruction::decode(combined).unwrap_or(Instruction::Nop)));
|
||||
ui.monospace(format!(
|
||||
"{}",
|
||||
Instruction::decode(combined)
|
||||
.unwrap_or(Instruction::Nop)
|
||||
));
|
||||
|
||||
ui.end_row();
|
||||
}
|
||||
|
||||
@@ -3,6 +3,7 @@ pub mod display;
|
||||
pub mod editor;
|
||||
pub mod history;
|
||||
pub mod interface;
|
||||
pub mod loader;
|
||||
pub mod memory_inspector;
|
||||
pub mod menu;
|
||||
pub mod stack_inspector;
|
||||
|
||||
@@ -1,4 +1,7 @@
|
||||
use crate::emulator::{system::model::State, ui::interface::Component};
|
||||
use crate::emulator::{
|
||||
system::model::{Command, State},
|
||||
ui::interface::Component,
|
||||
};
|
||||
|
||||
use common::instructions::Register;
|
||||
|
||||
@@ -33,6 +36,8 @@ impl Component for StackInspector {
|
||||
}
|
||||
|
||||
fn render(&mut self, state: &mut State, ui: &mut egui::Ui, _ctx: &egui::Context) {
|
||||
state.send(Command::StackRequest);
|
||||
|
||||
ui.vertical(|ui| {
|
||||
ui.heading("Stack Inspector");
|
||||
egui::ScrollArea::vertical()
|
||||
|
||||
+10
-7
@@ -30,7 +30,7 @@ use crate::emulator::{
|
||||
system::{
|
||||
emulator::run_emulator,
|
||||
memory::MainStore,
|
||||
model::{Command, State},
|
||||
model::{Command, StateUpdate},
|
||||
processor::Processor,
|
||||
},
|
||||
ui::{
|
||||
@@ -86,7 +86,7 @@ pub fn android_main(app: AndroidApp) -> Result<(), Box<dyn std::error::Error>> {
|
||||
|
||||
pub fn setup_emulator(
|
||||
cmd_receiver: Receiver<Command>,
|
||||
state_sender: Sender<State>,
|
||||
state_sender: Sender<StateUpdate>,
|
||||
rpc_client: Option<Arc<RpcClient>>,
|
||||
) {
|
||||
let main_store = MainStore::new();
|
||||
@@ -101,22 +101,22 @@ pub fn setup_emulator(
|
||||
#[must_use]
|
||||
pub fn setup_ui(
|
||||
cmd_sender: Sender<Command>,
|
||||
state_reciever: Receiver<State>,
|
||||
state_reciever: Receiver<StateUpdate>,
|
||||
) -> EmulatorUI {
|
||||
let mut ui = EmulatorUI::new(cmd_sender.clone(), state_reciever);
|
||||
let mut ui = EmulatorUI::new(cmd_sender, state_reciever);
|
||||
|
||||
// Create UI modules.
|
||||
let control_unit = ControlPanel::new(cmd_sender.clone());
|
||||
let control_unit = ControlPanel::new();
|
||||
|
||||
ui.add_component(Box::new(control_unit));
|
||||
|
||||
let mem_inspector = MemoryInspector::new(cmd_sender.clone());
|
||||
let mem_inspector = MemoryInspector::new();
|
||||
ui.add_component(Box::new(mem_inspector));
|
||||
|
||||
let stack_inspector = StackInspector::new();
|
||||
ui.add_component(Box::new(stack_inspector));
|
||||
|
||||
let editor = Editor::new(cmd_sender);
|
||||
let editor = Editor::new();
|
||||
ui.add_component(Box::new(editor));
|
||||
|
||||
let display = Display::new();
|
||||
@@ -125,5 +125,8 @@ pub fn setup_ui(
|
||||
let history = emulator::ui::history::History::new();
|
||||
ui.add_component(Box::new(history));
|
||||
|
||||
let loader = emulator::ui::loader::Loader::new();
|
||||
ui.add_component(Box::new(loader));
|
||||
|
||||
ui
|
||||
}
|
||||
|
||||
+35
-17
@@ -5,7 +5,35 @@
|
||||
include print "./lib/print.dsa"
|
||||
|
||||
// "print hello world"
|
||||
db program: "++++++[>++++++++++++<-]>.>++++++++++[>++++++++++<-]>+.+++++++..+++.>++++[>+++++++++++<-]>.<+++[>----<-]>.<<<<<+++[>+++++<-]>.>>.+++.------.--------.>>+."
|
||||
db program: "++++++++++++++++++++++++++++++++++++++++++++
|
||||
>++++++++++++++++++++++++++++++++
|
||||
>++++++++++++++++
|
||||
>
|
||||
>+
|
||||
<<
|
||||
[
|
||||
>>
|
||||
>
|
||||
>++++++++++
|
||||
<<
|
||||
[->+>-[>+>>]>[+[-<+>]>+>>]<<<<<<]
|
||||
>[<+>-]
|
||||
>[-]
|
||||
>>
|
||||
>++++++++++
|
||||
<
|
||||
[->-[>+>>]>[+[-<+>]>+>>]<<<<<]
|
||||
>[-]
|
||||
>>[++++++++++++++++++++++++++++++++++++++++++++++++.[-]]
|
||||
<[++++++++++++++++++++++++++++++++++++++++++++++++.[-]]
|
||||
<<<++++++++++++++++++++++++++++++++++++++++++++++++.[-]
|
||||
<<<<<<<.>.
|
||||
>>[>>+<<-]
|
||||
>[>+<<+>-]
|
||||
>[<+>-]
|
||||
<<<-
|
||||
]
|
||||
<<++..."
|
||||
|
||||
db error: "Invalid Instruction!"
|
||||
dw stack: 0x10000
|
||||
@@ -20,6 +48,7 @@ _init_stack:
|
||||
start:
|
||||
// load the start of the program into rg0
|
||||
lwi program, rg0
|
||||
lwi data, rg1
|
||||
|
||||
// rg0 is our instruction pointer
|
||||
// rg1 is our data pointer
|
||||
@@ -40,13 +69,6 @@ loop_start:
|
||||
// load the current instruction into rg3
|
||||
ldb rg0, rg3
|
||||
|
||||
|
||||
// pusha 2
|
||||
// push rg3
|
||||
// call print::print_byte
|
||||
// pop zero
|
||||
// popa 2
|
||||
|
||||
// switch on the instruction
|
||||
// all cases will return to either loop_start or loop_end
|
||||
cmp rg3, rg8
|
||||
@@ -68,19 +90,15 @@ loop_start:
|
||||
cmp rg3, zero
|
||||
jeq end
|
||||
|
||||
// if we get here, we don't know what the instruction is
|
||||
lwi error, rg0
|
||||
push rg0
|
||||
call print::print
|
||||
pop zero
|
||||
|
||||
end:
|
||||
lwi error, rg2
|
||||
// if we get here, we don't know what the instruction is
|
||||
lwi error, rg2
|
||||
pusha 2
|
||||
push rg2
|
||||
call print::print
|
||||
pop zero
|
||||
popa 2
|
||||
|
||||
end:
|
||||
hlt
|
||||
|
||||
loop_end:
|
||||
@@ -110,7 +128,7 @@ inc_ptr:
|
||||
// ------------------------------------------
|
||||
// decrement the pointer
|
||||
dec_ptr:
|
||||
stw rg1, rg2
|
||||
stw rg2, rg1
|
||||
subi rg1, 4
|
||||
ldw rg1, rg2
|
||||
jmp loop_end
|
||||
|
||||
Reference in New Issue
Block a user