So, after trying the next piece of code in the book on a whim and finding it worked, I decided to push through the lessons in the book and managed to learn enough to start stripping out some of the code to see what call was at fault. That, and I ran into the problem again in chapter 16. It...
So, I'm running the 'Coin' program from the book MPW and Assembly Language Programming for the Macintosh (1987)
It's giving a bad F-line instruction on line 100
Macsbug gives the following:
Unimplemented instruction at 00000100
No procedure name
000100 DC.W $FFFF
I'm pretty sure this...