megadrive_test2
annotate src/vdpdefs.inc @ 1:2560a8be8cb8
hblank interrupt test
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Tue, 14 Mar 2017 09:02:43 +0200 |
| parents | |
| children |
| rev | line source |
|---|---|
| nuclear@1 | 1 | vi:filetype=asm68k: |
| nuclear@1 | 2 .equ VDP_PORT_DATA, 0xc00000 |
| nuclear@1 | 3 .equ VDP_PORT_CTL, 0xc00004 |
| nuclear@1 | 4 |
| nuclear@1 | 5 .equ VDP_REG_MODE1, 0 |
| nuclear@1 | 6 .equ VDP_REG_MODE2, 1 |
| nuclear@1 | 7 |
| nuclear@1 | 8 .equ VDP_WRITE_VRAM, 0x40000000 |
| nuclear@1 | 9 .equ VDP_WRITE_CRAM, 0xc0000000 |
| nuclear@1 | 10 .equ VDP_WRITE_VSRAM, 0x40000010 |
| nuclear@1 | 11 .equ VDP_READ_VRAM, 0 |
| nuclear@1 | 12 .equ VDP_READ_CRAM, 0x00000020 |
| nuclear@1 | 13 .equ VDP_READ_VSRAM, 0x00000010 |