Implement VRAM Background Tile Addressing Modes in the PPU

blazer82 / gb.teensy

Gameboy emulator for the Teensy 4.1 microcontroller

GNU General Public License v3.0

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Implement VRAM Background Tile Addressing Modes in the PPU #8

Closed grantbreaksthings closed 4 years ago

grantbreaksthings commented 4 years ago

VRAM tile data can be accessed in two different ways (0x8000 method and 0x8800 method). Currently the emulator assumes the 0x8000 method and does not check for the other one.

More info here: https://gbdev.io/pandocs/#vram-tile-data

blazer82 commented 4 years ago

@granthaack this is fixed with 3cbe363d2fe1fbbdb809969ad176dfd6665395c6, right?