trunk/src/mame/audio/taito_en.c
| r17900 | r17901 | |
|---|
| 283 | 283 | * |
| 284 | 284 | *************************************/ |
| 285 | 285 | |
| 286 | /* |
| 287 | 68681 I/O pin assignments |
| 288 | (according to Gun Buster schematics): |
| 289 | |
| 290 | IP0: 5V OP0-OP5: N/C |
| 291 | IP1: 5V OP6: ESPHALT |
| 292 | IP2: 1MHz OP7: N/C |
| 293 | IP3: 0.5MHz |
| 294 | IP4: 0.5MHz |
| 295 | IP5: 1MHz |
| 296 | */ |
| 286 | 297 | static const duart68681_config taito_en_duart68681_config = |
| 287 | 298 | { |
| 288 | 299 | taito_en_duart_irq_handler, |
| 289 | | NULL, |
| 290 | | NULL, |
| 291 | | NULL |
| 300 | NULL, /* tx callback */ |
| 301 | NULL, /* input port read */ |
| 302 | NULL, /* output port write */ |
| 303 | XTAL_16MHz/2/8, /* IP2/RxCB clock */ |
| 304 | XTAL_16MHz/2/16, /* IP3/TxCA clock */ |
| 305 | XTAL_16MHz/2/16, /* IP4/RxCA clock */ |
| 306 | XTAL_16MHz/2/8, /* IP5/TxCB clock */ |
| 292 | 307 | }; |
| 293 | 308 | |
| 294 | 309 | static const mb87078_interface taito_en_mb87078_intf = |