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Brought ATAPI IOMEGA ZIP PACKET IDENTIFY and SET FEATURES commands in line with the real drive's behavior (information courtesy of claunia), the ASUS P/I-P54TP4XE now correctly recognizes it as a ZIP drive.

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OBattler
2018-03-06 19:21:06 +01:00
parent 22536d8d03
commit f7c9792abc
1 changed files with 20 additions and 19 deletions
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39
src/disk/hdc_ide.c
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@@ -9,7 +9,7 @@
* Implementation of the IDE emulation for hard disks and ATAPI
* CD-ROM devices.
*
* Version: @(#)hdc_ide.c 1.0.31 2018/03/06
* Version: @(#)hdc_ide.c 1.0.32 2018/03/06
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -485,7 +485,9 @@ static void ide_atapi_zip_identify(IDE *ide)
zip_id = atapi_zip_drives[ide->channel];
ide->buffer[0] = 0x8000 | (0<<8) | 0x80 | (2<<5); /* ATAPI device, direct-access device, removable media, accelerated DRQ */
/* Using (2<<5) below makes the ASUS P/I-P54TP4XE misdentify the ZIP drive
as a LS-120. */
ide->buffer[0] = 0x8000 | (0<<8) | 0x80 | (1<<5); /* ATAPI device, direct-access device, removable media, accelerated DRQ */
ide_padstr((char *) (ide->buffer + 10), "", 20); /* Serial Number */
if (zip_drives[zip_id].is_250) {
ide_padstr((char *) (ide->buffer + 23), "42.S", 8); /* Firmware */
@@ -497,7 +499,6 @@ static void ide_atapi_zip_identify(IDE *ide)
ide->buffer[49] = 0x200; /* LBA supported */
/* Note by Kotori: Look at this if this is supported by ZIP at all. */
ide->buffer[48] = 1; /*Dword transfers supported*/
ide->buffer[51] = 2 << 8; /*PIO timing mode*/
ide->buffer[126] = 0xfffe; /* Interpret zero byte count limit as maximum length */
@@ -505,10 +506,9 @@ static void ide_atapi_zip_identify(IDE *ide)
if (PCI && (ide->board < 2) && (zip_drives[zip_id].bus_type == ZIP_BUS_ATAPI_PIO_AND_DMA))
{
ide->buffer[49] |= 0x100; /* DMA supported */
ide->buffer[52] = 2 << 8; /*DMA timing mode*/
ide->buffer[53] = 7;
ide->buffer[62] = 7;
ide->buffer[63] = 7;
ide->buffer[52] = 0 << 8; /*DMA timing mode*/
ide->buffer[53] = 6;
ide->buffer[63] = 3;
ide->buffer[88] = 7;
if (ide->mdma_mode != -1)
{
@@ -516,18 +516,16 @@ static void ide_atapi_zip_identify(IDE *ide)
d <<= 8;
if ((ide->mdma_mode & 0x300) == 0x200)
ide->buffer[88] |= d;
else if ((ide->mdma_mode & 0x300) == 0x100)
ide->buffer[63] |= d;
else
ide->buffer[62] |= d;
ide->buffer[63] |= d;
ide_log("PIDENTIFY DMA Mode: %04X, %04X\n", ide->buffer[62], ide->buffer[63]);
}
ide->buffer[65] = 0xb4;
ide->buffer[66] = 0xb4;
ide->buffer[71] = 30;
ide->buffer[72] = 30;
ide->buffer[80] = 0x1e; /*ATA-1 to ATA-4 supported*/
ide->buffer[81] = 0x18; /*ATA-4 revision 18 supported*/
ide->buffer[65] = 0x96;
ide->buffer[66] = 0x96;
ide->buffer[67] = 0xb4;
ide->buffer[68] = 0xb4;
ide->buffer[80] = 0x30; /*Supported ATA versions : ATA/ATAPI-4 ATA/ATAPI-5*/
ide->buffer[81] = 0x15; /*Maximum ATA revision supported : ATA/ATAPI-5 T13 1321D revision 1*/
}
}
@@ -625,6 +623,7 @@ static int ide_set_features(IDE *ide)
uint8_t mode, submode;
int bus, dma;
int max_pio = 2, max_mdma = 2;
features = ide->cylprecomp;
features_data = ide->secount;
@@ -632,6 +631,8 @@ static int ide_set_features(IDE *ide)
if (ide_drive_is_zip(ide)) {
bus = zip_drives[atapi_zip_drives[ide->channel]].bus_type;
dma = (bus == ZIP_BUS_ATAPI_PIO_AND_DMA);
max_pio = 0;
max_mdma = 1;
} else if (ide_drive_is_cdrom(ide)) {
bus = cdrom_drives[atapi_cdrom_drives[ide->channel]].bus_type;
dma = (bus == CDROM_BUS_ATAPI_PIO_AND_DMA);
@@ -664,7 +665,7 @@ static int ide_set_features(IDE *ide)
break;
case 0x01: /* PIO mode */
if (submode > 2)
if (submode > max_pio)
{
return 0;
}
@@ -673,7 +674,7 @@ static int ide_set_features(IDE *ide)
break;
case 0x02: /* Singleword DMA mode */
if (!PCI || !dma || (ide->board >= 2) || (submode > 2))
if (!PCI || !dma || ide_drive_is_zip(ide) || (ide->board >= 2) || (submode > 2))
{
return 0;
}
@@ -682,7 +683,7 @@ static int ide_set_features(IDE *ide)
break;
case 0x04: /* Multiword DMA mode */
if (!PCI || !dma || (ide->board >= 2) || (submode > 2))
if (!PCI || !dma || (ide->board >= 2) || (submode > max_mdma))
{
return 0;
}