| 1384 | } |
| 1385 | |
| 1386 | uae_u32 ide_read_reg (struct ide_hdf *ide, int ide_reg) |
| 1387 | { |
| 1388 | uae_u8 v = 0; |
| 1389 | bool isdrv = ide_isdrive (ide); |
| 1390 | |
| 1391 | if (!ide) |
| 1392 | goto end; |
| 1393 | |
| 1394 | if (ide->regs.ide_status & IDE_STATUS_BSY) |
| 1395 | ide_reg = IDE_STATUS; |
| 1396 | if (!ide_isdrive (ide)) { |
| 1397 | if (ide_reg == IDE_STATUS || ide_reg == IDE_DEVCON) { |
| 1398 | if (ide->pair->irq) |
| 1399 | ide->pair->irq = 0; |
| 1400 | if (ide_isdrive (ide->pair)) |
| 1401 | v = 0x01; |
| 1402 | else |
| 1403 | v = 0xff; |
| 1404 | } else { |
| 1405 | v = 0; |
| 1406 | } |
| 1407 | goto end; |
| 1408 | } |
| 1409 | |
| 1410 | switch (ide_reg) |
| 1411 | { |
| 1412 | case IDE_SECONDARY: |
| 1413 | case IDE_SECONDARY + 1: |
| 1414 | case IDE_SECONDARY + 2: |
| 1415 | case IDE_SECONDARY + 3: |
| 1416 | case IDE_SECONDARY + 4: |
| 1417 | case IDE_SECONDARY + 5: |
| 1418 | v = 0xff; |
| 1419 | break; |
| 1420 | case IDE_DRVADDR: |
| 1421 | v = ((ide->ide_drv ? 2 : 1) | ((ide->regs.ide_select & 15) << 2)) ^ 0xff; |
| 1422 | break; |
| 1423 | case IDE_DATA: |
| 1424 | break; |
| 1425 | case IDE_ERROR: |
| 1426 | v = ide->regs.ide_error; |
| 1427 | break; |
| 1428 | case IDE_NSECTOR: |
| 1429 | if (isdrv) { |
| 1430 | if (ide->regs.ide_devcon & 0x80) |
| 1431 | v = ide->regs.ide_nsector2; |
| 1432 | else |
| 1433 | v = ide->regs.ide_nsector; |
| 1434 | } |
| 1435 | break; |
| 1436 | case IDE_SECTOR: |
| 1437 | if (isdrv) { |
| 1438 | if (ide->regs.ide_devcon & 0x80) |
| 1439 | v = ide->regs.ide_sector2; |
| 1440 | else |
| 1441 | v = ide->regs.ide_sector; |
| 1442 | check_maxtransfer (ide, 2); |
| 1443 | } |
no test coverage detected