Re:Dirty tricks 6502 programmers use
by tenebrisalietum on Monday August 19, 2019 @08:46AM
(#20737218)
A real "dirty trick" is reading the actual RAM in memory locations 0 and 1 on the 6510 (and not the I/O port values).
In this case, the real C64 specific tricks are not 6510 specific, but depending on the specific initialization done by the C64 ROM and calling C64 ROM routines.