trunk/src/mame/drivers/omegrace.c
| r26484 | r26485 | |
|---|
| 379 | 379 | *************************************/ |
| 380 | 380 | |
| 381 | 381 | static ADDRESS_MAP_START( sound_map, AS_PROGRAM, 8, omegrace_state ) |
| 382 | | AM_RANGE(0x0000, 0x07ff) AM_ROM |
| 382 | AM_RANGE(0x0000, 0x07ff) AM_ROM AM_MIRROR(0x800) |
| 383 | 383 | AM_RANGE(0x1000, 0x13ff) AM_RAM |
| 384 | 384 | ADDRESS_MAP_END |
| 385 | 385 | |
| 386 | 386 | |
| 387 | 387 | static ADDRESS_MAP_START( sound_port, AS_IO, 8, omegrace_state ) |
| 388 | 388 | ADDRESS_MAP_GLOBAL_MASK(0xff) |
| 389 | | AM_RANGE(0x00, 0x00) AM_READ(soundlatch_byte_r) /* likely ay8910 input port, not direct */ |
| 390 | | AM_RANGE(0x00, 0x01) AM_DEVWRITE("ay1", ay8910_device, address_data_w) |
| 391 | | AM_RANGE(0x02, 0x03) AM_DEVWRITE("ay2", ay8910_device, address_data_w) |
| 389 | AM_RANGE(0x00, 0x00) AM_READ(soundlatch_byte_r) // the game reads from ay1 port b, but ay8912 only has port a |
| 390 | AM_RANGE(0x00, 0x01) AM_DEVWRITE("ay1", ay8912_device, address_data_w) |
| 391 | AM_RANGE(0x02, 0x03) AM_DEVWRITE("ay2", ay8912_device, address_data_w) |
| 392 | 392 | ADDRESS_MAP_END |
| 393 | 393 | |
| 394 | 394 | |