Updated second research, display a 352x280 image with 2*2 colors (fifth/sixth bitplane).
- cpubltro-a1k.adf Kickstart disk (Amiga 1000)
- cpubltro-0fc.rom 256K ROM image (MapROM or emulator)
- cpubltro-0f8.rom 512K ROM image (MapROM or emulator)
- cpubltro-0f8.bin 512K byte swapped ROM image (EPROM)
