Fixed both the ATAPI and SCSI implementations of the READ TRACK INFORMATION command.

src/ide.c

@@ -2551,24 +2551,36 @@ static void atapicommand(int ide_board)
 		break;
 		
 		case GPCMD_READ_TRACK_INFORMATION:
+		max_len = idebufferb[7];
+		max_len <<= 8;
+		max_len |= idebufferb[8];
+		
+		if (cdrom->read_track_information)
+		{
+			cdrom->read_track_information(idebufferb, idebufferb);
+			
+			len = idebufferb[0];
+			len <<= 8;
+			len |= idebufferb[1];
+			len += 2;
+		}
+		else
+		{
 			if ((idebufferb[3] != 1) || (idebufferb[2] != 1))
 			{
 				ide->atastat = READY_STAT | ERR_STAT;    /*CHECK CONDITION*/
 				ide->error = (SENSE_ILLEGAL_REQUEST << 4) | ABRT_ERR;
-			if (SCSISense.SenseKey == SENSE_UNIT_ATTENTION)
+				/* if (SCSISense.SenseKey == SENSE_UNIT_ATTENTION)
-				ide->error |= MCR_ERR;
+					ide->error |= MCR_ERR; */
 				SCSISense.Asc = ASC_INV_FIELD_IN_CMD_PACKET;
 				ide->packetstatus = ATAPI_STATUS_ERROR;
 				idecallback[ide_board]=50*IDE_TIME;
 				return;
 			}
 
-		if (cdrom->read_track_information)
+			len = 36;
-		{
+
-			cdrom->read_track_information(idebufferb, idebufferb);
+			idebufferb[0] = 0;
-		}
-		else
-		{
 			idebufferb[1] = 34;
 			idebufferb[2] = 1; /* track number (LSB) */
 			idebufferb[3] = 1; /* session number (LSB) */
@@ -2584,7 +2596,13 @@ static void atapicommand(int ide_board)
 			idebufferb[33] = 0; /* session number (MSB) */
 		}
 
-		len=36;
+		if (len > max_len)
+		{
+			len = max_len;
+			idebufferb[0] = ((max_len - 2) >> 8) & 0xff;
+			idebufferb[1] = (max_len - 2) & 0xff;
+		}
+		
 		ide->packetstatus = ATAPI_STATUS_DATA;
 		ide->cylinder=len;
 		ide->secount=2;

src/scsi_cdrom.c

@@ -46,6 +46,7 @@ uint8_t SCSICommandTable[0x100] =
 	[GPCMD_PAUSE_RESUME]                  = CHECK_READY,
 	[GPCMD_STOP_PLAY_SCAN]                = CHECK_READY,
 	[GPCMD_READ_DISC_INFORMATION]         = CHECK_READY,
+	[GPCMD_READ_TRACK_INFORMATION]        = CHECK_READY,
 	[GPCMD_MODE_SELECT_10]                = 0,
 	[GPCMD_MODE_SENSE_10]                 = 0,
 	[GPCMD_PLAY_AUDIO_12]                 = CHECK_READY,
@@ -1156,6 +1157,7 @@ void SCSICDROM_ReadData(uint8_t id, uint8_t *cdb, uint8_t *data, int datalen)
 	unsigned PreambleLen;
 	unsigned char Temp;
 	int read_length = 0;
+	int max_length = 0;
 	
 	msf = cdb[1] & 2;
 	
@@ -1553,6 +1555,21 @@ SCSIOut:
 		break;
 	
 		case GPCMD_READ_TRACK_INFORMATION:
+		max_length = SCSIDevices[id].Cdb[7];
+		max_length <<= 8;
+		max_length |= SCSIDevices[id].Cdb[8];
+
+		if (cdrom->read_track_information)
+		{
+			cdrom->read_track_information(SCSIDevices[id].Cdb, SCSIDevices[id].CmdBuffer);
+
+			datalen = SCSIDevices[id].CmdBuffer[0];
+			datalen <<= 8;
+			datalen |= SCSIDevices[id].CmdBuffer[1];
+			datalen += 2;
+		}
+		else
+		{
 			if ((SCSIDevices[id].Cdb[3] != 1) || (SCSIDevices[id].Cdb[2] != 1))
 			{
 				SCSIStatus = SCSI_STATUS_CHECK_CONDITION;			
@@ -1565,12 +1582,7 @@ SCSIOut:
 				return;		
 			}
 
-		if (cdrom->read_track_information)
+			datalen = 36;
-		{
-			cdrom->read_track_information(SCSIDevices[id].Cdb, SCSIDevices[id].CmdBuffer);
-		}
-		else
-		{
 			SCSIDevices[id].CmdBuffer[1] = 34;
 			SCSIDevices[id].CmdBuffer[2] = 1; /* track number (LSB) */
 			SCSIDevices[id].CmdBuffer[3] = 1; /* session number (LSB) */
@@ -1585,6 +1597,13 @@ SCSIOut:
 			SCSIDevices[id].CmdBuffer[32] = 0; /* track number (MSB) */
 			SCSIDevices[id].CmdBuffer[33] = 0; /* session number (MSB) */
 		} 
+
+		if (datalen > max_length)
+		{
+			datalen = max_length;
+			SCSIDevices[id].CmdBuffer[0] = ((max_length - 2) >> 8) & 0xff;
+			SCSIDevices[id].CmdBuffer[1] = (max_length - 2) & 0xff;
+		}
 		break;
 	
 		case GPCMD_READ_DVD_STRUCTURE: