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forgot romhdr.S
[megatris] / src / vdpdefs.inc
1 | vi:filetype=asm68k:
2         .equ VDP_PORT_DATA, 0xc00000
3         .equ VDP_PORT_CTL, 0xc00004
4
5         .equ VDP_REG_MODE1, 0
6         .equ VDP_REG_MODE2, 1
7
8         .equ VDP_WRITE_VRAM, 0x40000000
9         .equ VDP_WRITE_CRAM, 0xc0000000
10         .equ VDP_WRITE_VSRAM, 0x40000010
11         .equ VDP_READ_VRAM, 0
12         .equ VDP_READ_CRAM, 0x00000020
13         .equ VDP_READ_VSRAM, 0x00000010
Tetris for the SEGA MegaDrive console