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by tricky
Sun Oct 13, 2019 9:58 am
Forum: Software & Programming
Topic: Machine Code Converters: 6502 to 68000
Replies: 7
Views: 5871

Re: Machine Code Converters: 6502 to 68000

When I first got my AtariST, I started writing a BBC emulator for it.
I reserved 64K for the beebs memory and just used a jump table indexed by opcode for the 6502 part.
I also tried jumping to N*opcode to avoid the extra indirection and jumped from there if the code couldn't fit in N bytes.
I was ...