From 3bf340d9f27e02d1fba20d81eda8c4406e624c26 Mon Sep 17 00:00:00 2001
From: Maxwell Jeffress <maxwelljeffress@proton.me>
Date: Thu, 16 Jul 2026 19:04:36 +1000
Subject: [PATCH] stuffs

---
 src/assembler/assemble.c | 27 ++++++++-------------------
 src/main.c               |  2 ++
 tests/add.asm            |  3 ++-
 3 files changed, 12 insertions(+), 20 deletions(-)

diff --git a/src/assembler/assemble.c b/src/assembler/assemble.c
index cefc25d..9e4847a 100644
--- a/src/assembler/assemble.c
+++ b/src/assembler/assemble.c
@@ -9,6 +9,7 @@
 #include <inttypes.h>
 
 #include "../instruction.h"
+#include "../util.h"
 
 // Table of strings to instructions
 struct _stringToInstructionOpcodeTable {char* str; InstructionOpcode opcode;} stringToInstructionOpcodeTable[] = {
@@ -212,27 +213,15 @@ void serializeProgramToFile(Program* program, const char* outputFileName) {
     }
 
     // Write magic header
-    size_t written = fwrite("mlc\0", 4, 1, fp);
-    if (written != 1) {
-        fprintf(stderr, "failed to write magic header into file %s\n", outputFileName);
-        fclose(fp);
-        exit(1);
-    }
+    ROMFileHeader header = {
+        .magic = "mlc\0",
+        .version = 1,
+        .numInstructions = program->len
+    };
 
-    // Write program version
-    uint8_t version = 1;
-    written = fwrite(&version, sizeof(uint8_t), 1, fp);
+    size_t written = fwrite(&header, sizeof(ROMFileHeader), 1, fp);
     if (written != 1) {
-        fprintf(stderr, "failed to write version header into file %s\n", outputFileName);
-        fclose(fp);
-        exit(1);
-    }
-
-    // Write instruction count
-    uint32_t instCount = program->len;
-    written = fwrite(&instCount, sizeof(uint32_t), 1, fp);
-    if (written != 1) {
-        fprintf(stderr, "failed to write instruction count header into file %s\n", outputFileName);
+        fprintf(stderr, "failed to write file header into file %s\n", outputFileName);
         fclose(fp);
         exit(1);
     }
diff --git a/src/main.c b/src/main.c
index abb73aa..b28c5f3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -37,6 +37,8 @@ int main(int argc, char** argv) {
 
     memcpy(emu->mem + MEM_PROGRAM_START, rom->instructions, sizeof(SerializedInst) * rom->header.numInstructions);
 
+    printf("hi i exist\n");
+
     startEmulator(emu);
     freeEmulator(emu);
 
diff --git a/tests/add.asm b/tests/add.asm
index c0ee31a..168ad17 100644
--- a/tests/add.asm
+++ b/tests/add.asm
@@ -2,4 +2,5 @@ mvi a 2
 mvi b 2
 
 add a b
-hlt
\ No newline at end of file
+hlt
+hlt