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.

src/opcodes.c

@@ -18,12 +18,10 @@ Instruction instructions[OPCODECOUNT] = {
     { "call", CALL, Address, None}
 };
 
-unsigned char GetInstructionMask(TokenType type, TokenClass parameterOneType) {
+unsigned char GetInstructionMask(TokenType type) {
     switch (type) {
         case COPY:
-            if (parameterOneType & Reg) return 0x20; //0b00100000;
-
-            return 0xA0;//0b10100000;
+            return 0x20; //0b00100000; ORing 0x80 marks the first parameter as an address
         case ADD:
             return 0x40;//0b01000000;
         case SUB: