3 ms·
Neat! I feel like wrapping my head around the 6502's indexed indirect addressing mode a few weeks ago well-prepared me for this article :)
by danharaj 6y ago
Neat! I feel like wrapping my head around the 6502's indexed indirect addressing mode a few weeks ago well-prepared me for this article :)
- cesaref 6y agoAh yes, takes me back. Page zero is kind of like a large bank of registers with the fast access instructions. The one that I remember puzzling with back in the day was 'SEI' - I mean, why have an interrupt disable bit? Wouldn't it be more sensible to set and clear interrupts, not set and clear disabling interrupts.