fixed a lot of bugs with the emulator, instruction set and assembler

assembler/src/lib.rs

@@ -11,7 +11,7 @@ use common::prelude::Instruction;
 use crate::{
     codegen::codegen,
     expand::expand_pseudo_ops,
-    model::{Node, Symbol, Token, TokenType},
+    model::{Node, Opcode, Symbol, Token, TokenType},
     parser::{Parser, Program},
     resolver::{create_sections, resolve_dependencies, resolve_symbols},
 };
@@ -78,7 +78,13 @@ fn prepare_dependency(
         "{:20} {:20}",
         "Expanding PseudoInstructions", filename
     ));
-    let nodes = expand_pseudo_ops(nodes, file_hash)?;
+    let mut nodes = expand_pseudo_ops(nodes, file_hash)?;
+
+    // add a section instruction
+    nodes.insert(
+        0,
+        node!(None, Opcode::Segment, Token::Immediate(file_hash as u32)),
+    );
 
     for n in nodes.iter() {
         println!("{}", n);