Updated the parser and setup the opcodes.c file to include helper functions to build up an Opcode object. I don't like how this is setup at the moment but seems to be a decent way to handle things for now.

includes/opcodes.h

@@ -1,9 +1,13 @@
 #ifndef OPCODES_H
 #define OPCODES_H
 
+#include <ctype.h>
+#include <stdlib.h>
 #include <string.h>
 #include <errno.h>
 #include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
 
 typedef enum {
     R1 = 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19,
@@ -15,9 +19,16 @@ typedef enum {
     OUTB, INB, HLT, CLI, ENI, INT, LIVT, PUSHA, POPA, CALL, RET, PUSH, POP
 } Mnemonics;
 
-int IsOpcode(const char*, Mnemonics*);
-int IsRegister(const char*, Registers*);
+typedef struct opcode Opcode;
+
+bool IsOpcode(const char*, Mnemonics*);
+bool IsRegister(const char*, Registers*);
 void GetMnemonicText(Mnemonics mnemonic, char buffer[12]);
 void GetRegisterText(Registers reg, char buffer[5]);
+Opcode* OpcodeCreate(Mnemonics mnemonic);
+int OpcodeArgCount(const Opcode* opcode);
+int OpcodeAddLiteral(uint32_t number, bool pointer, Opcode* opcode);
+int OpcodeAddSymbol(char* symbol, bool pointer, Opcode* opcode);
+int OpcodeAddRegister(Registers reg, bool pointer, Opcode* opcode);
 
 #endif