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Added preliminary Adaptec 154x emulation, needs fixing in the Read 10 command.

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Made ATAPI derived from SCSI.
Added proper S/G emulation for SCSI DMA.
Added SCSI CD-ROM emulation, preserving all the former ATAPI commands as well.
This commit is contained in:
TC1995
2016-11-12 15:06:38 +01:00
parent acb06e5a17
commit 0f035b42ea
28 changed files with 3163 additions and 789 deletions
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13
src/cdrom-iso.c
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@@ -4,13 +4,13 @@
/*ISO CD-ROM support*/
#include "ibm.h"
#include "ide.h"
#include "cdrom.h"
#include "cdrom-iso.h"
#include <sys/stat.h>
static ATAPI iso_atapi;
static CDROM iso_cdrom;
static uint32_t last_block = 0;
uint32_t last_block = 0;
static uint64_t image_size = 0;
static int iso_inited = 0;
char iso_path[1024];
@@ -157,6 +157,7 @@ static void lba_to_msf(uint8_t *buf, int lba)
static void iso_readsector_raw(uint8_t *b, int sector)
{
uint32_t temp;
if (!cdrom_drive) return;
iso_image = fopen(iso_path, "rb");
fseek(iso_image, sector*2048, SEEK_SET);
@@ -313,7 +314,7 @@ static uint32_t iso_size()
{
unsigned char b[4096];
atapi->readtoc(b, 0, 0, 4096, 0);
cdrom->readtoc(b, 0, 0, 4096, 0);
return last_block;
}
@@ -345,7 +346,7 @@ int iso_open(char *fn)
pclog("Path is %s\n", iso_path);
}
iso_image = fopen(iso_path, "rb");
atapi = &iso_atapi;
cdrom = &iso_cdrom;
if (!iso_inited || iso_changed)
{
if (!iso_inited) iso_inited = 1;
@@ -375,7 +376,7 @@ static int iso_is_track_audio(uint32_t pos, int ismsf)
return 0;
}
static ATAPI iso_atapi =
static CDROM iso_cdrom =
{
iso_ready,
iso_medium_changed,