src/mess/machine/pce.c
| r9083 | r9084 | |
|---|
| 1260 | 1260 | case 0x08: /* ADPCM address (LSB) / CD data */ |
| 1261 | 1261 | data = pce_cd_get_cd_data_byte(space->machine); |
| 1262 | 1262 | break; |
| 1263 | | case 0x09: /* ADPCM address (MSB) */ |
| 1264 | 1263 | case 0x0A: /* ADPCM RAM data port */ |
| 1264 | break; |
| 1265 | 1265 | case 0x0B: /* ADPCM DMA control */ |
| 1266 | break; |
| 1267 | case 0x0C: /* ADPCM status */ |
| 1268 | break; |
| 1269 | /* These are read-only registers */ |
| 1270 | case 0x09: /* ADPCM address (MSB) */ |
| 1266 | 1271 | case 0x0D: /* ADPCM address control */ |
| 1267 | 1272 | case 0x0E: /* ADPCM playback rate */ |
| 1268 | 1273 | case 0x0F: /* ADPCM and CD audio fade timer */ |
| 1269 | | break; |
| 1270 | | case 0x0C: /* ADPCM status */ |
| 1271 | | //data |= 1; |
| 1272 | | break; |
| 1274 | return 0; |
| 1273 | 1275 | case 0xC1: |
| 1274 | 1276 | data = pce_sys3_card ? 0xAA : 0xFF; |
| 1275 | 1277 | break; |