claunia/86Box
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Overhauled and unified CD-ROM emulation;

Browse Source 
Four CD-ROM drives are now emulated;
ATAPI DMA is now emulated;
Unified CD-ROM pass through to host drive handling;
Applied all (applicable) mainline PCem commits.
This commit is contained in:
OBattler
2017-01-16 01:49:19 +01:00
parent 0a11edd343
commit 4f7fd84229
41 changed files with 5953 additions and 5129 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/scsi.c
View File

@@ -13,6 +13,9 @@
#include "timer.h"
uint8_t SCSIPhase = SCSI_PHASE_BUS_FREE;
uint8_t SCSIStatus = SCSI_STATUS_OK;
int SCSICallback[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t scsi_cdrom_id = 3; /*common setting*/
@@ -22,6 +25,7 @@ void SCSIGetLength(uint8_t id, int *datalen)
*datalen = SCSIDevices[id].CmdBufferLength;
}
#if 0
//Execute SCSI command
void SCSIExecCommand(uint8_t id, uint8_t *buffer, uint8_t *cdb)
{
@@ -72,25 +76,22 @@ void SCSIWrite(uint8_t Id, uint8_t *srcbuf, uint8_t *dstbuf, uint32_t len_size)
}
}
/////
#endif
//Initialization function for the SCSI layer
void SCSIReset(uint8_t Id)
{
page_flags[GPMODE_CDROM_AUDIO_PAGE] &= 0xFD; /* Clear changed flag for CDROM AUDIO mode page. */
memset(mode_pages_in[GPMODE_CDROM_AUDIO_PAGE], 0, 256); /* Clear the page itself. */
uint8_t cdrom_id = scsi_cdrom_drives[Id];
SCSICallback[Id]=0;
if (cdrom_enabled && scsi_cdrom_enabled)
if (buslogic_scsi_drive_is_cdrom(Id))
{
SCSICallback[cdrom_id]=0;
cdrom_reset(cdrom_id);
SCSIDevices[Id].LunType = SCSI_CDROM;
}
else
{
SCSIDevices[Id].LunType = SCSI_NONE;
}
page_flags[GPMODE_CDROM_AUDIO_PAGE] &= ~PAGE_CHANGED;
SCSISense.UnitAttention = 0;
}