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Published 20 hours ago • verified publisher icon mauiaaron

Undocumented behavior with BCD arithmetic

Open mauiaaron opened this issue 11 years ago • 1 comments

http://www.6502.org/tutorials/decimal_mode.html

A good introduction to undoc behavior of BCD arithmetic. At a minimum we should have a debug breakpoint for this so we can investigate disk images that might depend on it...

mauiaaron avatar Feb 21 '14 18:02 mauiaaron

Currently there is a c_debug_illegal_bcd() function that will segfault if we ever his this. Recommend vigilance =)

mauiaaron avatar Apr 26 '14 22:04 mauiaaron