mandel-6502/todo.md
Brooke Vibber 582ddf497f apply jamey's suggestion of skipping add for high byte muls
rather than saving 0 into the high bytes, then adding the high-byte
multiplication later, write it directly in place. this saves a few
cycles on every iteration, and it adds up nicely.

View 1 overview render times:
130XE: 10.050 ms/px - 4m56s
800XL: 10.906 ms/px - 5m21s
2025-01-04 10:53:51 -08:00

236 B

things to try:

  • patch the entire expanded-ram imul8xe on top of imul8 to avoid the 3-cycle thunk penalty :D

  • y-axis mirror optimization

  • extract viewport for display & re-input via keyboard

  • fujinet screenshot/viewport uploader