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Implemented ATAPI Read CD-ROM Capacity command, fixes CD usage in OS/2.

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This commit is contained in:
TomW 2014-07-12 14:22:54 +01:00
commit 8283d3ee73
3 changed files with 40 additions and 0 deletions
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22
src/ide.c
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@ -71,6 +71,7 @@
#define GPCMD_PREVENT_REMOVAL 0x1e
#define GPCMD_READ_10 0x28
#define GPCMD_READ_CD 0xbe
#define GPCMD_READ_CDROM_CAPACITY 0x25
#define GPCMD_READ_HEADER 0x44
#define GPCMD_READ_SUBCHANNEL 0x42
#define GPCMD_READ_TOC_PMA_ATIP 0x43
@ -1553,6 +1554,7 @@ static void atapicommand(int ide_board)
int msf;
int pos=0;
unsigned char temp;
uint32_t size;
#ifndef RPCEMU_IDE
pclog("New ATAPI command %02X %i\n",idebufferb[0],ins);
#endif
@ -1957,6 +1959,26 @@ static void atapicommand(int ide_board)
idecallback[ide_board]=50*IDE_TIME;
break;
case GPCMD_READ_CDROM_CAPACITY:
if (!atapi->ready()) { atapi_notready(ide); return; }
size = atapi->size();
idebufferb[0] = (size >> 24) & 0xff;
idebufferb[1] = (size >> 16) & 0xff;
idebufferb[2] = (size >> 8) & 0xff;
idebufferb[3] = size & 0xff;
idebufferb[4] = (2048 >> 24) & 0xff;
idebufferb[5] = (2048 >> 16) & 0xff;
idebufferb[6] = (2048 >> 8) & 0xff;
idebufferb[7] = 2048 & 0xff;
len=8;
ide->packetstatus=3;
ide->cylinder=len;
ide->secount=2;
ide->pos=0;
idecallback[ide_board]=60*IDE_TIME;
ide->packlen=len;
break;
case GPCMD_SEND_DVD_STRUCTURE:
default:
ide->atastat = READY_STAT | ERR_STAT; /*CHECK CONDITION*/