> ...used the Z80 chip... Although integer multiplication instructions were available... Minor error there (maybe he remembered wrong), but the Z80 doesn't hav

> ...used the Z80 chip... Although integer multiplication instructions were available... Minor error there (maybe he remembered wrong), but the Z80 doesn't have multiplication instructions, it has to be implemented in code (e.g. see: https://wikiti.brandonw.net/index.php?title=Z80_Routines:Math:Multiplication https://wikiti.brandonw.net/index.php?title=Z80_Routines:Mat...)