// 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("image"); m_cdda = subdevice("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; } } }