TEENAGE MUTANT NINJA TURTLES
Mapper Conversion Patch
FROM Mapper 1 (MMC1) TO Mapper 5 (MMC5)
Converted by RetroRain
RELEASE DATE: 04/04/16




PRG Bankswitch Routine is at $CEA5

To switch banks from $8000 - $BFFF, use like so:

LDA bank_number
JSR $CEA5




CHR Sprite Bankswitch Routine (Left side of PPU) is at $CE6F

To switch sprite pages, use like so:

LDA page_number
JSR $CE6F




CHR Background Bankswitch Routine (Right side of PPU) is at $CE8A

To switch background pages, use like so:

LDA page_number
JSR $CE8A




Nametable Mapping Routine (one of its uses is mirroring) is at $CE56

To change mirroring for instance, use like so:

LDA mirroring_number (#$50 for Horizontal, #$44 for Vertical)
JSR $CE56




acmlm.kafuka.org