This feels like a trainwreck but eh. Changed the way the opcodes are managed. Hopefully this is the right direction when I add support for multiple ASM files.

includes/opcodes.h

@@ -6,6 +6,7 @@
 
 #define OPCODECOUNT 13
 #define REGISTERCOUNT 8
+//const unsigned char COPYADDRESSMASK = 0x80;
 
 typedef struct {
     char* lexeme;
@@ -25,6 +26,6 @@ extern Register registers[REGISTERCOUNT];
 int IsOpcode(const char*, TokenType*);
 int IsRegister(const char*, TokenType*);
 const Instruction* GetOpcodeDetails(TokenType);
-unsigned char GetInstructionMask(TokenType type, TokenClass parameterOneType);
+unsigned char GetInstructionMask(TokenType type);
 
 #endif