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Implement IDE Check Power Mode command. Fixes Windows NT4 with SP4 or later.

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This commit is contained in:
SarahW 2017-11-13 21:56:44 +00:00
commit 13496ba7b9
1 changed files with 13 additions and 0 deletions
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13
src/ide.c
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@ -62,6 +62,7 @@
#define WIN_READ_DMA 0xC8
#define WIN_WRITE_DMA 0xCA
#define WIN_SETIDLE1 0xE3
#define WIN_CHECK_POWER_MODE 0xE5
#define WIN_IDENTIFY 0xEC /* Ask drive to identify itself */
/* ATAPI Commands */
@ -1058,6 +1059,7 @@ void writeide(int ide_board, uint16_t addr, uint8_t val)
case WIN_SET_MULTIPLE_MODE: /*Set Multiple Mode*/
// output=1;
case WIN_SETIDLE1: /* Idle */
case WIN_CHECK_POWER_MODE:
ide->atastat = BUSY_STAT;
timer_process();
callbackide(ide_board);
@ -1719,6 +1721,17 @@ void callbackide(int ide_board)
}
return;
case WIN_CHECK_POWER_MODE:
if (ide->type == IDE_NONE)
{
goto abort_cmd;
}
ide->secount = 0xff;
ide->atastat = READY_STAT | DSC_STAT;
ide_irq_raise(ide);
return;
case WIN_PACKETCMD: /* ATAPI Packet */
if (!IDE_DRIVE_IS_CDROM(ide)) goto abort_cmd;
// pclog("Packet callback! %i %08X\n",ide->packetstatus,ide);