src/mess/drivers/crvision.c
| r5489 | r5490 | |
|---|
| 391 | 391 | return data; |
| 392 | 392 | } |
| 393 | 393 | |
| 394 | | static READ_LINE_DEVICE_HANDLER( crvision_pia_ca_r ) |
| 395 | | { |
| 396 | | return 1; |
| 397 | | } |
| 398 | | |
| 399 | 394 | static READ_LINE_DEVICE_HANDLER( crvision_pia_cb1_r ) |
| 400 | 395 | { |
| 401 | 396 | crvision_state *state = device->machine->driver_data; |
| r5489 | r5490 | |
|---|
| 431 | 426 | { |
| 432 | 427 | DEVCB_HANDLER(crvision_pia_porta_r), // input A |
| 433 | 428 | DEVCB_HANDLER(crvision_pia_portb_r), // input B |
| 434 | | DEVCB_LINE(crvision_pia_ca_r), // input CA1 (+5V) |
| 429 | DEVCB_LINE |
| 435 | 430 | DEVCB_LINE(crvision_pia_cb1_r), // input CB1 (SN76489 pin READY ) |
| 436 | | DEVCB_LINE(crvision_pia_ca_r), // input CA2 (+5V) |
| 437 | | DEVCB_LINE(crvision_pia_ca_r), // input CB2 (+5V) |
| 431 | DEVCB_LINE_VCC, // input CA2 (+5V) |
| 432 | DEVCB_LINE_VCC, // input CB2 (+5V) |
| 438 | 433 | DEVCB_HANDLER(crvision_pia_porta_w), // output A |
| 439 | 434 | DEVCB_HANDLER(crvision_pia_portb_w), // output B (SN76489 pins D0-D7) |
| 440 | 435 | DEVCB_NULL, // output CA2 |