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| r18451 Thursday 11th October, 2012 at 14:58:01 UTC by Miodrag Milanović |
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| port 0x64 opcode 0xd1 should incur no delay when delivering. This allows, for example, su2000 to start booting to the CMOS setup screen [Peter Ferrie] |
| [src/emu/machine] | 8042kbdc.c |
| r18450 | r18451 | |
|---|---|---|
| 557 | 557 | /* write output port; next byte written to port 60h is placed on |
| 558 | 558 | * 8042 output port */ |
| 559 | 559 | kbdc8042.operation_write_state = 1; |
| 560 | | |
| 560 | return; /* instant delivery */ | |
| 561 | 561 | case 0xd2: |
| 562 | 562 | /* write keyboard output register; on PS/2 systems next port 60h |
| 563 | 563 | * write is written to port 60h output register as if initiated |
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