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t10mmc.cpp: Return error response when no CD is available

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This commit is contained in:
AJR 2022-04-07 17:57:00 -04:00
parent af46a928d6
commit f729cc79fd
1 changed files with 64 additions and 0 deletions
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64
src/devices/machine/t10mmc.cpp
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@ -157,6 +157,14 @@ void t10mmc::ExecCommand()
break;
case T10SBC_CMD_READ_10:
if (m_cdrom == nullptr)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_transfer_length = 0;
break;
}
m_lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
m_blocks = SCSILengthFromUINT16( &command[7] );
@ -180,6 +188,14 @@ void t10mmc::ExecCommand()
break;
case T10MMC_CMD_READ_SUB_CHANNEL:
if (m_cdrom == nullptr)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_transfer_length = 0;
break;
}
//m_device->logerror("T10MMC: READ SUB-CHANNEL type %d\n", command[3]);
m_phase = SCSI_PHASE_DATAIN;
m_status_code = SCSI_STATUS_CODE_GOOD;
@ -188,6 +204,14 @@ void t10mmc::ExecCommand()
case T10MMC_CMD_READ_TOC_PMA_ATIP:
{
if (m_cdrom == nullptr)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_transfer_length = 0;
break;
}
int length;
switch (toc_format())
@ -221,6 +245,14 @@ void t10mmc::ExecCommand()
break;
}
case T10MMC_CMD_PLAY_AUDIO_10:
if (m_cdrom == nullptr)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_transfer_length = 0;
break;
}
m_lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
m_blocks = SCSILengthFromUINT16( &command[7] );
@ -260,6 +292,14 @@ void t10mmc::ExecCommand()
break;
case T10MMC_CMD_PLAY_AUDIO_MSF:
if (m_cdrom == nullptr)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_transfer_length = 0;
break;
}
m_lba = (command[5] % 75) + ((command[4] * 75) % (60*75)) + (command[3] * (75*60));
m_blocks = (command[8] % 75) + ((command[7] * 75) % (60*75)) + (command[6] * (75*60)) - m_lba;
@ -297,6 +337,14 @@ void t10mmc::ExecCommand()
break;
case T10MMC_CMD_PLAY_AUDIO_TRACK_INDEX:
if (m_cdrom == nullptr)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_transfer_length = 0;
break;
}
if (command[4] > command[7])
{
// TODO: check error
@ -377,6 +425,14 @@ void t10mmc::ExecCommand()
break;
case T10MMC_CMD_PLAY_AUDIO_12:
if (m_cdrom == nullptr)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_transfer_length = 0;
break;
}
m_lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
m_blocks = command[6]<<24 | command[7]<<16 | command[8]<<8 | command[9];
@ -413,6 +469,14 @@ void t10mmc::ExecCommand()
break;
case T10SBC_CMD_READ_12:
if (m_cdrom == nullptr)
{
m_phase = SCSI_PHASE_STATUS;
m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
m_transfer_length = 0;
break;
}
m_lba = command[2]<<24 | command[3]<<16 | command[4]<<8 | command[5];
m_blocks = command[7]<<16 | command[8]<<8 | command[9];