diff options
Diffstat (limited to 'src/devices/bus/snes/upd.c')
-rw-r--r-- | src/devices/bus/snes/upd.c | 566 |
1 files changed, 566 insertions, 0 deletions
diff --git a/src/devices/bus/snes/upd.c b/src/devices/bus/snes/upd.c new file mode 100644 index 00000000000..056f462e2fa --- /dev/null +++ b/src/devices/bus/snes/upd.c @@ -0,0 +1,566 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +/*********************************************************************************************************** + + UPD7725 / UPD96050 add-on chip emulation (for SNES/SFC) + used in carts with DSP-1, DSP-1A, DSP-1B, DSP-2, DSP-3, DSP-4, ST-010 & ST-011 add-on chips + + ***********************************************************************************************************/ + + +#include "emu.h" +#include "upd.h" + + +// helpers +inline UINT32 get_prg(UINT8 *CPU, UINT32 addr) +{ + return ((CPU[addr * 4] << 24) | (CPU[addr * 4 + 1] << 16) | (CPU[addr * 4 + 2] << 8) | 0x00); +} +inline UINT16 get_data(UINT8 *CPU, UINT32 addr) +{ + return ((CPU[addr * 2] << 8) | CPU[addr * 2 + 1]); +} + +//------------------------------------------------- +// constructor +//------------------------------------------------- + +const device_type SNS_LOROM_NECDSP = &device_creator<sns_rom20_necdsp_device>; +const device_type SNS_HIROM_NECDSP = &device_creator<sns_rom21_necdsp_device>; +const device_type SNS_LOROM_SETA10 = &device_creator<sns_rom_seta10dsp_device>; +const device_type SNS_LOROM_SETA11 = &device_creator<sns_rom_seta11dsp_device>; + + +sns_rom20_necdsp_device::sns_rom20_necdsp_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) + : sns_rom_device(mconfig, type, name, tag, owner, clock, shortname, source), + m_upd7725(*this, "dsp") +{ +} + +sns_rom20_necdsp_device::sns_rom20_necdsp_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom_device(mconfig, SNS_LOROM_NECDSP, "SNES Cart (LoROM) + NEC DSP", tag, owner, clock, "sns_rom_necdsp", __FILE__), + m_upd7725(*this, "dsp") +{ +} + +sns_rom21_necdsp_device::sns_rom21_necdsp_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) + : sns_rom21_device(mconfig, type, name, tag, owner, clock, shortname, source), + m_upd7725(*this, "dsp") +{ +} + +sns_rom21_necdsp_device::sns_rom21_necdsp_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom21_device(mconfig, SNS_HIROM_NECDSP, "SNES Cart (HiROM) + NEC DSP", tag, owner, clock, "sns_rom21_necdsp", __FILE__), + m_upd7725(*this, "dsp") +{ +} + +sns_rom_setadsp_device::sns_rom_setadsp_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) + : sns_rom_device(mconfig, type, name, tag, owner, clock, shortname, source), + m_upd96050(*this, "dsp") +{ +} + +sns_rom_seta10dsp_device::sns_rom_seta10dsp_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom_setadsp_device(mconfig, SNS_LOROM_SETA10, "SNES Cart (LoROM) + Seta ST010 DSP", tag, owner, clock, "sns_rom_seta10", __FILE__) +{ +} + +sns_rom_seta11dsp_device::sns_rom_seta11dsp_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom_setadsp_device(mconfig, SNS_LOROM_SETA11, "SNES Cart (LoROM) + Seta ST011 DSP", tag, owner, clock, "sns_rom_seta11", __FILE__) +{ +} + + +void sns_rom20_necdsp_device::device_start() +{ + m_dsp_prg.resize(0x2000/sizeof(UINT32)); + m_dsp_data.resize(0x800/sizeof(UINT16)); +} + +void sns_rom21_necdsp_device::device_start() +{ + m_dsp_prg.resize(0x2000/sizeof(UINT32)); + m_dsp_data.resize(0x800/sizeof(UINT16)); +} + +void sns_rom_setadsp_device::device_start() +{ + m_dsp_prg.resize(0x10000/sizeof(UINT32)); + m_dsp_data.resize(0x1000/sizeof(UINT16)); +} + +/*------------------------------------------------- + mapper specific handlers + -------------------------------------------------*/ + +//------------------------------------------------- +// NEC DSP +//------------------------------------------------- + +// Lo-ROM + +// DSP dump contains prg at offset 0 and data at offset 0x2000 +READ32_MEMBER( sns_rom20_necdsp_device::necdsp_prg_r ) +{ + return get_prg(&m_bios[0], offset); +} + +READ16_MEMBER( sns_rom20_necdsp_device::necdsp_data_r ) +{ + return get_data(&m_bios[0], offset + 0x2000/2); +} + + +//------------------------------------------------- +// ADDRESS_MAP( dsp_prg_map ) +//------------------------------------------------- + +static ADDRESS_MAP_START( dsp_prg_map_lorom, AS_PROGRAM, 32, sns_rom20_necdsp_device ) + AM_RANGE(0x0000, 0x07ff) AM_READ(necdsp_prg_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( dsp_data_map ) +//------------------------------------------------- + +static ADDRESS_MAP_START( dsp_data_map_lorom, AS_DATA, 16, sns_rom20_necdsp_device ) + AM_RANGE(0x0000, 0x03ff) AM_READ(necdsp_data_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( snes_dsp ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( snes_dsp_lorom ) + MCFG_CPU_ADD("dsp", UPD7725, 8000000) + MCFG_CPU_PROGRAM_MAP(dsp_prg_map_lorom) + MCFG_CPU_DATA_MAP(dsp_data_map_lorom) +MACHINE_CONFIG_END + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor sns_rom20_necdsp_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_dsp_lorom ); +} + +READ8_MEMBER( sns_rom20_necdsp_device::chip_read ) +{ + offset &= 0x7fff; + return m_upd7725->snesdsp_read(offset < 0x4000); +} + + +WRITE8_MEMBER( sns_rom20_necdsp_device::chip_write ) +{ + offset &= 0x7fff; + m_upd7725->snesdsp_write(offset < 0x4000, data); +} + + +// Hi-ROM + +// DSP dump contains prg at offset 0 and data at offset 0x2000 +READ32_MEMBER( sns_rom21_necdsp_device::necdsp_prg_r ) +{ + return get_prg(&m_bios[0], offset); +} + +READ16_MEMBER( sns_rom21_necdsp_device::necdsp_data_r ) +{ + return get_data(&m_bios[0], offset + 0x2000/2); +} + + +//------------------------------------------------- +// ADDRESS_MAP( dsp_prg_map ) +//------------------------------------------------- + +static ADDRESS_MAP_START( dsp_prg_map_hirom, AS_PROGRAM, 32, sns_rom21_necdsp_device ) + AM_RANGE(0x0000, 0x07ff) AM_READ(necdsp_prg_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( dsp_data_map ) +//------------------------------------------------- + +static ADDRESS_MAP_START( dsp_data_map_hirom, AS_DATA, 16, sns_rom21_necdsp_device ) + AM_RANGE(0x0000, 0x03ff) AM_READ(necdsp_data_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( snes_dsp ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( snes_dsp_hirom ) + MCFG_CPU_ADD("dsp", UPD7725, 8000000) + MCFG_CPU_PROGRAM_MAP(dsp_prg_map_hirom) + MCFG_CPU_DATA_MAP(dsp_data_map_hirom) +MACHINE_CONFIG_END + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor sns_rom21_necdsp_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_dsp_hirom ); +} + +READ8_MEMBER( sns_rom21_necdsp_device::chip_read ) +{ + offset &= 0x1fff; + return m_upd7725->snesdsp_read(offset < 0x1000); +} + + +WRITE8_MEMBER( sns_rom21_necdsp_device::chip_write ) +{ + offset &= 0x1fff; + m_upd7725->snesdsp_write(offset < 0x1000, data); +} + + +//------------------------------------------------- +// Seta DSP +//------------------------------------------------- + +// same as above but additional read/write handling for the add-on chip + +READ8_MEMBER( sns_rom_setadsp_device::chip_read ) +{ + if (offset >= 0x600000 && offset < 0x680000 && (offset & 0xffff) < 0x4000) + m_upd96050->snesdsp_read((offset & 0x01) ? FALSE : TRUE); + + if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x8000) + { + UINT16 address = offset & 0xffff; + UINT16 temp = m_upd96050->dataram_r(address/2); + if (offset & 1) + return temp >> 8; + else + return temp & 0xff; + } + + return 0xff; +} + + +WRITE8_MEMBER( sns_rom_setadsp_device::chip_write ) +{ + if (offset >= 0x600000 && offset < 0x680000 && (offset & 0xffff) < 0x4000) + { + m_upd96050->snesdsp_write((offset & 0x01) ? FALSE : TRUE, data); + return; + } + + if (offset >= 0x680000 && offset < 0x700000 && (offset & 0xffff) < 0x8000) + { + UINT16 address = offset & 0xffff; + UINT16 temp = m_upd96050->dataram_r(address/2); + + if (offset & 1) + { + temp &= 0xff; + temp |= data << 8; + } + else + { + temp &= 0xff00; + temp |= data; + } + + m_upd96050->dataram_w(address/2, temp); + return; + } +} + + +// DSP dump contains prg at offset 0 and data at offset 0x10000 +READ32_MEMBER( sns_rom_setadsp_device::setadsp_prg_r ) +{ + return get_prg(&m_bios[0], offset); +} + +READ16_MEMBER( sns_rom_setadsp_device::setadsp_data_r ) +{ + return get_data(&m_bios[0], offset + 0x10000/2); +} + + +//------------------------------------------------- +// ADDRESS_MAP( st01x_prg_map ) +//------------------------------------------------- + +static ADDRESS_MAP_START( st01x_prg_map, AS_PROGRAM, 32, sns_rom_setadsp_device ) + AM_RANGE(0x0000, 0x3fff) AM_READ(setadsp_prg_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// ADDRESS_MAP( st01x_data_map ) +//------------------------------------------------- + +static ADDRESS_MAP_START( st01x_data_map, AS_DATA, 16, sns_rom_setadsp_device ) + AM_RANGE(0x0000, 0x07ff) AM_READ(setadsp_data_r) +ADDRESS_MAP_END + + +//------------------------------------------------- +// MACHINE_DRIVER( snes_st010 ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( snes_st010 ) + MCFG_CPU_ADD("dsp", UPD96050, 10000000) + MCFG_CPU_PROGRAM_MAP(st01x_prg_map) + MCFG_CPU_DATA_MAP(st01x_data_map) +MACHINE_CONFIG_END + +//------------------------------------------------- +// MACHINE_DRIVER( snes_st011 ) +//------------------------------------------------- + +static MACHINE_CONFIG_FRAGMENT( snes_st011 ) + MCFG_CPU_ADD("dsp", UPD96050, 15000000) + MCFG_CPU_PROGRAM_MAP(st01x_prg_map) + MCFG_CPU_DATA_MAP(st01x_data_map) +MACHINE_CONFIG_END + +//------------------------------------------------- +// machine_config_additions - device-specific +// machine configurations +//------------------------------------------------- + +machine_config_constructor sns_rom_seta10dsp_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_st010 ); +} + +machine_config_constructor sns_rom_seta11dsp_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_st011 ); +} + + +// To make faster DSP access to its internal rom, let's install read banks and map m_bios there with correct byte order + +void sns_rom20_necdsp_device::speedup_addon_bios_access() +{ + m_upd7725->space(AS_PROGRAM).install_read_bank(0x0000, 0x07ff, "dsp_prg"); + m_upd7725->space(AS_DATA).install_read_bank(0x0000, 0x03ff, "dsp_data"); + membank("dsp_prg")->set_base(&m_dsp_prg[0]); + membank("dsp_data")->set_base(&m_dsp_data[0]); + // copy data in the correct format + for (int x = 0; x < 0x800; x++) + m_dsp_prg[x] = (m_bios[x * 4] << 24) | (m_bios[x * 4 + 1] << 16) | (m_bios[x * 4 + 2] << 8) | 0x00; + for (int x = 0; x < 0x400; x++) + m_dsp_data[x] = (m_bios[0x2000 + x * 2] << 8) | m_bios[0x2000 + x * 2 + 1]; +} + +void sns_rom21_necdsp_device::speedup_addon_bios_access() +{ + m_upd7725->space(AS_PROGRAM).install_read_bank(0x0000, 0x07ff, "dsp_prg"); + m_upd7725->space(AS_DATA).install_read_bank(0x0000, 0x03ff, "dsp_data"); + membank("dsp_prg")->set_base(&m_dsp_prg[0]); + membank("dsp_data")->set_base(&m_dsp_data[0]); + // copy data in the correct format + for (int x = 0; x < 0x800; x++) + m_dsp_prg[x] = (m_bios[x * 4] << 24) | (m_bios[x * 4 + 1] << 16) | (m_bios[x * 4 + 2] << 8) | 0x00; + for (int x = 0; x < 0x400; x++) + m_dsp_data[x] = (m_bios[0x2000 + x * 2] << 8) | m_bios[0x2000 + x * 2 + 1]; +} + +void sns_rom_setadsp_device::speedup_addon_bios_access() +{ + m_upd96050->space(AS_PROGRAM).install_read_bank(0x0000, 0x3fff, "dsp_prg"); + m_upd96050->space(AS_DATA).install_read_bank(0x0000, 0x07ff, "dsp_data"); + membank("dsp_prg")->set_base(&m_dsp_prg[0]); + membank("dsp_data")->set_base(&m_dsp_data[0]); + // copy data in the correct format + for (int x = 0; x < 0x3fff; x++) + m_dsp_prg[x] = (m_bios[x * 4] << 24) | (m_bios[x * 4 + 1] << 16) | (m_bios[x * 4 + 2] << 8) | 0x00; + for (int x = 0; x < 0x07ff; x++) + m_dsp_data[x] = (m_bios[0x10000 + x * 2] << 8) | m_bios[0x10000 + x * 2 + 1]; +} + + + + +// Legacy versions including DSP dump roms, in order to support faulty dumps missing DSP data... + +const device_type SNS_LOROM_NECDSP1_LEG = &device_creator<sns_rom20_necdsp1_legacy_device>; +const device_type SNS_LOROM_NECDSP1B_LEG = &device_creator<sns_rom20_necdsp1b_legacy_device>; +const device_type SNS_LOROM_NECDSP2_LEG = &device_creator<sns_rom20_necdsp2_legacy_device>; +const device_type SNS_LOROM_NECDSP3_LEG = &device_creator<sns_rom20_necdsp3_legacy_device>; +const device_type SNS_LOROM_NECDSP4_LEG = &device_creator<sns_rom20_necdsp4_legacy_device>; +const device_type SNS_HIROM_NECDSP1_LEG = &device_creator<sns_rom21_necdsp1_legacy_device>; +const device_type SNS_LOROM_SETA10_LEG = &device_creator<sns_rom_seta10dsp_legacy_device>; +const device_type SNS_LOROM_SETA11_LEG = &device_creator<sns_rom_seta11dsp_legacy_device>; + + +sns_rom20_necdsp1_legacy_device::sns_rom20_necdsp1_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom20_necdsp_device(mconfig, SNS_LOROM_NECDSP1_LEG, "SNES Cart (LoROM) + NEC DSP1 Legacy", tag, owner, clock, "dsp1leg", __FILE__) +{ +} + +sns_rom20_necdsp1b_legacy_device::sns_rom20_necdsp1b_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom20_necdsp_device(mconfig, SNS_LOROM_NECDSP1B_LEG, "SNES Cart (LoROM) + NEC DSP1B Legacy", tag, owner, clock, "dsp1bleg", __FILE__) +{ +} + +sns_rom20_necdsp2_legacy_device::sns_rom20_necdsp2_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom20_necdsp_device(mconfig, SNS_LOROM_NECDSP2_LEG, "SNES Cart (LoROM) + NEC DSP2 Legacy", tag, owner, clock, "dsp2leg", __FILE__) +{ +} + +sns_rom20_necdsp3_legacy_device::sns_rom20_necdsp3_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom20_necdsp_device(mconfig, SNS_LOROM_NECDSP3_LEG, "SNES Cart (LoROM) + NEC DSP3 Legacy", tag, owner, clock, "dsp3leg", __FILE__) +{ +} + +sns_rom20_necdsp4_legacy_device::sns_rom20_necdsp4_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom20_necdsp_device(mconfig, SNS_LOROM_NECDSP4_LEG, "SNES Cart (LoROM) + NEC DSP4 Legacy", tag, owner, clock, "dsp4leg", __FILE__) +{ +} + +sns_rom21_necdsp1_legacy_device::sns_rom21_necdsp1_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom21_necdsp_device(mconfig, SNS_HIROM_NECDSP1_LEG, "SNES Cart (HiROM) + NEC DSP1 Legacy", tag, owner, clock, "dsp1leg_hi", __FILE__) +{ +} + +sns_rom_seta10dsp_legacy_device::sns_rom_seta10dsp_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom_setadsp_device(mconfig, SNS_LOROM_SETA10_LEG, "SNES Cart (LoROM) + Seta ST010 DSP Legacy", tag, owner, clock, "seta10leg", __FILE__) +{ +} + +sns_rom_seta11dsp_legacy_device::sns_rom_seta11dsp_legacy_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : sns_rom_setadsp_device(mconfig, SNS_LOROM_SETA11_LEG, "SNES Cart (LoROM) + Seta ST011 DSP Legacy", tag, owner, clock, "seta11leg", __FILE__) +{ +} + + +machine_config_constructor sns_rom20_necdsp1_legacy_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_dsp_lorom ); +} + +machine_config_constructor sns_rom20_necdsp1b_legacy_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_dsp_lorom ); +} + +machine_config_constructor sns_rom20_necdsp2_legacy_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_dsp_lorom ); +} + +machine_config_constructor sns_rom20_necdsp3_legacy_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_dsp_lorom ); +} + +machine_config_constructor sns_rom20_necdsp4_legacy_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_dsp_lorom ); +} + +machine_config_constructor sns_rom21_necdsp1_legacy_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_dsp_hirom ); +} + +machine_config_constructor sns_rom_seta10dsp_legacy_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_st010 ); +} + +machine_config_constructor sns_rom_seta11dsp_legacy_device::device_mconfig_additions() const +{ + return MACHINE_CONFIG_NAME( snes_st011 ); +} + + +ROM_START( snes_dsp1 ) + ROM_REGION(0x2800, "addon", 0) + ROM_LOAD( "dsp1.bin", 0, 0x02800, CRC(2838f9f5) SHA1(0a03ccb1fd2bea91151c745a4d1f217ae784f889) ) +ROM_END + +ROM_START( snes_dsp1b ) + ROM_REGION(0x2800, "addon", 0) + ROM_LOAD( "dsp1b.bin", 0, 0x02800, CRC(453557e0) SHA1(3a218b0e4572a8eba6d0121b17fdac9529609220) ) +ROM_END + +ROM_START( snes_dsp2 ) + ROM_REGION(0x2800, "addon", 0) + ROM_LOAD( "dsp2.bin", 0, 0x02800, CRC(8e9fbd9b) SHA1(06dd9fcb118d18f6bbe234e013cb8780e06d6e63) ) +ROM_END + +ROM_START( snes_dsp3 ) + ROM_REGION(0x2800, "addon", 0) + ROM_LOAD( "dsp3.bin", 0, 0x02800, CRC(6b86728a) SHA1(1b133741fad810eb7320c21ecfdd427d25a46da1) ) +ROM_END + +ROM_START( snes_dsp4 ) + ROM_REGION(0x2800, "addon", 0) + ROM_LOAD( "dsp4.bin", 0, 0x02800, CRC(ce0c7783) SHA1(76fd25f7dc26c3b3f7868a3aa78c7684068713e5) ) +ROM_END + +ROM_START( snes_st010 ) + ROM_REGION(0x11000, "addon", 0) + ROM_LOAD( "st010.bin", 0, 0x11000, CRC(aa11ee2d) SHA1(cc1984e989cb94e3dcbb5f99e085b5414e18a017) ) +ROM_END + +ROM_START( snes_st011 ) + ROM_REGION(0x11000, "addon", 0) + ROM_LOAD( "st011.bin", 0, 0x11000, CRC(34d2952c) SHA1(1375b8c1efc8cae4962b57dfe22f6b78e1ddacc8) ) +ROM_END + +const rom_entry *sns_rom20_necdsp1_legacy_device::device_rom_region() const +{ + return ROM_NAME( snes_dsp1 ); +} + +const rom_entry *sns_rom20_necdsp1b_legacy_device::device_rom_region() const +{ + return ROM_NAME( snes_dsp1b ); +} + +const rom_entry *sns_rom20_necdsp2_legacy_device::device_rom_region() const +{ + return ROM_NAME( snes_dsp2 ); +} + +const rom_entry *sns_rom20_necdsp3_legacy_device::device_rom_region() const +{ + return ROM_NAME( snes_dsp3 ); +} + +const rom_entry *sns_rom20_necdsp4_legacy_device::device_rom_region() const +{ + return ROM_NAME( snes_dsp4 ); +} + +const rom_entry *sns_rom21_necdsp1_legacy_device::device_rom_region() const +{ + return ROM_NAME( snes_dsp1 ); +} + +const rom_entry *sns_rom_seta10dsp_legacy_device::device_rom_region() const +{ + return ROM_NAME( snes_st010 ); +} + +const rom_entry *sns_rom_seta11dsp_legacy_device::device_rom_region() const +{ + return ROM_NAME( snes_st011 ); +} |