Python GB Emulator

• gb architecture
• loading rom
  • skip boot rom
  • executes and writes to VRAM
• skipping PPU implementation, just render VRAM into image

Given 8K VRAM, render all tiles, and render OAM

Show all tiles

Show OAM constructed tiles

• https://gekkio.fi/files/gb-docs/gbctr.pdf
• has 8KB RAM
• ~4.19 MHz
• data bus is 8 bit
• address is 16 bit (65536 addressable)
  • cartridge (gb ROM)
  • display
  • IO (gamepad, audio, LCD)
  • interrupt controls
• display
  • 160×144 pixels
  • 4 shades of grey (white, light grey, dark grey and black)
  • shared access to 8K VRAM with CPU
    • tile set, collection of 8x8 bitmaps
    • background layer is 256x256 (32x32 tile)
    • OAM decides which tile used as sprite, filled by DMA from ROM or RAM