C64 Coding: Fast large multiplies /Mihai

Umul32

Tech notes on the latest batch: https://notesh.ink/sh/mDENL6
Source code: https://drive.google.com/file/d/1Bwpz0o6wpUgGVkOBdy9VVNdgrJnIQX..

241ZP → 616.20 cycles → 2090 bytes (Repose)
38ZP → 638.81 cycles → 2570 bytes
32ZP → 690.72 cycles → 2712 bytes (Repose)
30ZP → 648.81 cycles → 2586 bytes
16ZP → 695.81 cycles → 2623 bytes
20ZP → 697.31 cycles → 2352 bytes (smallest code)
0ZP → 745.81 cycles → 2411 bytes