damn_simple_architecture/src/dsa/instructions/directives.md

Data Directives

Data Definition

Mnemonic	Syntax	Description
DB	name: value1 [, value2, ...]	Define bytes (byte aligned)
DH	name: value1 [, value2, ...]	Define half-words (2 byte aligned)
DW	name: value1 [, value2, ...]	Define words (4 byte aligned)

Examples:

db message: "Hello World", 0, 0x20, 231
dh numbers: 1000, 2000, 3000
dw stack: 0x10000

Notes:

• All string literals are automatically null-terminated

Memory Reservation

Mnemonic	Syntax	Description
RESB	name: size	Reserve bytes
RESH	name: size	Reserve half-words
RESW	name: size	Reserve words

Examples:

resb buffer: 256    ; Reserve 256 bytes
resh array: 100     ; Reserve space for 100 half-words
resw heap: 1024     ; Reserve space for 1024 words

Imports

Mnemonic	Syntax	Description
INCLUDE	module_name "path"	Include module symbols

More details on the module System