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-rw-r--r--src/devices/bus/ata/atapicdr.cpp191
1 files changed, 191 insertions, 0 deletions
diff --git a/src/devices/bus/ata/atapicdr.cpp b/src/devices/bus/ata/atapicdr.cpp
new file mode 100644
index 00000000000..ec6dbcd5e59
--- /dev/null
+++ b/src/devices/bus/ata/atapicdr.cpp
@@ -0,0 +1,191 @@
+// license:BSD-3-Clause
+// copyright-holders:smf
+#include "emu.h"
+#include "atapicdr.h"
+#include "gdrom.h"
+
+#define SCSI_SENSE_ASC_MEDIUM_NOT_PRESENT 0x3a
+#define SCSI_SENSE_ASC_NOT_READY_TO_READY_TRANSITION 0x28
+#define T10MMC_GET_EVENT_STATUS_NOTIFICATION 0x4a
+
+// device type definition
+DEFINE_DEVICE_TYPE(ATAPI_CDROM, atapi_cdrom_device, "cdrom", "ATAPI CD-ROM")
+DEFINE_DEVICE_TYPE(ATAPI_DVDROM, atapi_dvdrom_device, "dvdrom", "ATAPI CD/DVD-ROM")
+
+atapi_cdrom_device::atapi_cdrom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ atapi_cdrom_device(mconfig, ATAPI_CDROM, tag, owner, clock)
+{
+}
+
+atapi_cdrom_device::atapi_cdrom_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) :
+ atapi_hle_device(mconfig, type, tag, owner, clock),
+ device_ata_interface(mconfig, *this),
+ m_ultra_dma_mode(0)
+{
+}
+
+atapi_dvdrom_device::atapi_dvdrom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ atapi_cdrom_device(mconfig, ATAPI_DVDROM, tag, owner, clock)
+{
+}
+
+//-------------------------------------------------
+// device_add_mconfig - add device configuration
+//-------------------------------------------------
+
+void atapi_cdrom_device::device_add_mconfig(machine_config &config)
+{
+ if(type() == ATAPI_DVDROM)
+ DVDROM(config, "image").set_interface("cdrom");
+ else if(type() == ATAPI_GDROM)
+ GDROM(config, "image").set_interface("cdrom");
+ else
+ CDROM(config, "image").set_interface("cdrom");
+ CDDA(config, "cdda").set_cdrom_tag("image");
+}
+
+void atapi_cdrom_device::device_start()
+{
+ m_image = subdevice<cdrom_image_device>("image");
+ m_cdda = subdevice<cdda_device>("cdda");
+
+ memset(m_identify_buffer, 0, sizeof(m_identify_buffer));
+
+ m_identify_buffer[0] = 0x8500; // ATAPI device, cmd set 5 compliant, DRQ within 3 ms of PACKET command
+
+ m_identify_buffer[23] = ('1' << 8) | '.';
+ m_identify_buffer[24] = ('0' << 8) | ' ';
+ m_identify_buffer[25] = (' ' << 8) | ' ';
+ m_identify_buffer[26] = (' ' << 8) | ' ';
+
+ m_identify_buffer[27] = ('M' << 8) | 'A';
+ m_identify_buffer[28] = ('M' << 8) | 'E';
+ m_identify_buffer[29] = (' ' << 8) | ' ';
+ m_identify_buffer[30] = (' ' << 8) | ' ';
+ m_identify_buffer[31] = ('V' << 8) | 'i';
+ m_identify_buffer[32] = ('r' << 8) | 't';
+ m_identify_buffer[33] = ('u' << 8) | 'a';
+ m_identify_buffer[34] = ('l' << 8) | ' ';
+ m_identify_buffer[35] = ('C' << 8) | 'D';
+ m_identify_buffer[36] = ('R' << 8) | 'O';
+ m_identify_buffer[37] = ('M' << 8) | ' ';
+ m_identify_buffer[38] = (' ' << 8) | ' ';
+ m_identify_buffer[39] = (' ' << 8) | ' ';
+ m_identify_buffer[40] = (' ' << 8) | ' ';
+ m_identify_buffer[41] = (' ' << 8) | ' ';
+ m_identify_buffer[42] = (' ' << 8) | ' ';
+ m_identify_buffer[43] = (' ' << 8) | ' ';
+ m_identify_buffer[44] = (' ' << 8) | ' ';
+ m_identify_buffer[45] = (' ' << 8) | ' ';
+ m_identify_buffer[46] = (' ' << 8) | ' ';
+
+ m_identify_buffer[49] = 0x0600; // Word 49=Capabilities, IORDY may be disabled (bit_10), LBA Supported mandatory (bit_9)
+
+ m_identify_buffer[88] = m_ultra_dma_mode;
+
+ atapi_hle_device::device_start();
+}
+
+void atapi_cdrom_device::set_ultra_dma_mode(uint16_t mode)
+{
+ m_ultra_dma_mode = mode;
+}
+
+void atapi_cdrom_device::device_reset()
+{
+ atapi_hle_device::device_reset();
+ m_media_change = true;
+ m_sequence_counter = m_image->sequence_counter();
+}
+
+void atapi_dvdrom_device::device_reset()
+{
+ atapi_hle_device::device_reset();
+ m_media_change = true;
+ m_sequence_counter = m_image->sequence_counter();
+}
+
+void atapi_cdrom_device::process_buffer()
+{
+ if( m_sequence_counter != m_image->sequence_counter() )
+ {
+ m_media_change = true;
+ m_sequence_counter = m_image->sequence_counter();
+ }
+ atapi_hle_device::process_buffer();
+}
+
+void atapi_cdrom_device::perform_diagnostic()
+{
+ m_error = IDE_ERROR_DIAGNOSTIC_PASSED;
+}
+
+void atapi_cdrom_device::identify_packet_device()
+{
+}
+
+void atapi_cdrom_device::ExecCommand()
+{
+ switch(command[0])
+ {
+ case T10SBC_CMD_READ_CAPACITY:
+ case T10SBC_CMD_READ_10:
+ case T10MMC_CMD_READ_SUB_CHANNEL:
+ case T10MMC_CMD_READ_TOC_PMA_ATIP:
+ case T10MMC_CMD_PLAY_AUDIO_10:
+ case T10MMC_CMD_PLAY_AUDIO_TRACK_INDEX:
+ case T10MMC_CMD_PAUSE_RESUME:
+ case T10MMC_CMD_PLAY_AUDIO_12:
+ case T10MMC_CMD_READ_CD:
+ case T10SBC_CMD_READ_12:
+ case T10SBC_CMD_SEEK_10:
+ if(!m_image->exists())
+ {
+ m_phase = SCSI_PHASE_STATUS;
+ m_sense_key = SCSI_SENSE_KEY_MEDIUM_ERROR;
+ m_sense_asc = SCSI_SENSE_ASC_MEDIUM_NOT_PRESENT;
+ m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
+ m_transfer_length = 0;
+ return;
+ }
+ [[fallthrough]];
+ default:
+ if(m_media_change)
+ {
+ m_phase = SCSI_PHASE_STATUS;
+ m_sense_key = SCSI_SENSE_KEY_UNIT_ATTENTION;
+ m_sense_asc = SCSI_SENSE_ASC_NOT_READY_TO_READY_TRANSITION;
+ m_status_code = SCSI_STATUS_CODE_CHECK_CONDITION;
+ m_transfer_length = 0;
+
+ if (command[0] == T10SPC_CMD_TEST_UNIT_READY || // amiga(idefix97)/firebeat/namcos12/sprinter
+ command[0] == T10SPC_CMD_MODE_SENSE_10) // stingnet
+ m_media_change = false;
+ return;
+ }
+ break;
+ case T10SPC_CMD_INQUIRY:
+ m_media_change = false; // mtouchxl(mitsumi)
+ break;
+ case T10SPC_CMD_REQUEST_SENSE:
+ m_media_change = false;
+ break;
+ }
+ t10mmc::ExecCommand();
+
+ if (m_status_code == SCSI_STATUS_CODE_GOOD)
+ {
+ switch (command[0])
+ {
+ // Set the DSC (Drive Seek Complete) bit on commands that involve a drive seek.
+ // truckk is known to rely on this flag being set after T10SBC_CMD_SEEK_10.
+ case T10SBC_CMD_SEEK_10:
+ case T10MMC_CMD_PLAY_AUDIO_10:
+ case T10MMC_CMD_PLAY_AUDIO_12:
+ case T10MMC_CMD_PLAY_AUDIO_MSF:
+ case T10MMC_CMD_PLAY_AUDIO_TRACK_INDEX:
+ m_status |= IDE_STATUS_DSC;
+ break;
+ }
+ }
+}