diff options
Diffstat (limited to 'src/mame/drivers/saturn.cpp')
-rw-r--r-- | src/mame/drivers/saturn.cpp | 116 |
1 files changed, 72 insertions, 44 deletions
diff --git a/src/mame/drivers/saturn.cpp b/src/mame/drivers/saturn.cpp index 94a6309610c..3e1b93d9c51 100644 --- a/src/mame/drivers/saturn.cpp +++ b/src/mame/drivers/saturn.cpp @@ -463,26 +463,50 @@ public: void saturnjp(machine_config &config); void saturneu(machine_config &config); void saturnus(machine_config &config); + void saturnkr(machine_config &config); - void init_saturnus(); - void init_saturneu(); - void init_saturnjp(); + template <bool is_pal> void init_saturn(); DECLARE_INPUT_CHANGED_MEMBER(tray_open); DECLARE_INPUT_CHANGED_MEMBER(tray_close); private: - DECLARE_MACHINE_START(saturn); DECLARE_MACHINE_RESET(saturn); + // SMPC region codes, hardwired via jumper setting. + // - Given the scheme bit 3 should determine if the region is PAL or NTSC. + // - 0 and F are "prohibited", others are "Sega reserved". + // - Documentation states that 2 is "TAIWAN" and 6 is "KOREA", + // but games on latter definitely wants 2 rather than 6. + // We currently swap, former actual slot needs to be confirmed. + enum { + REGION_NTSC_0 = 0, + REGION_NTSC_JAPAN, +// REGION_NTSC_TAIWAN, + REGION_NTSC_KOREA, + REGION_NTSC_3, + REGION_NTSC_USA, // & Canada, Mexico + REGION_NTSC_BRAZIL, +// REGION_NTSC_KOREA, + REGION_NTSC_TAIWAN, // & Philippines + REGION_NTSC_7, + REGION_PAL_8, + REGION_PAL_9, + REGION_PAL_ASIA, // China, Middle East, East Asia not covered above + REGION_PAL_B, + REGION_PAL_EUROPE, // Australia, South Africa + REGION_PAL_AMERICA, // Non-NTSC Central/South America + REGION_PAL_E, + REGION_PAL_F + }; + uint8_t saturn_cart_type_r(); uint32_t abus_dummy_r(offs_t offset); uint32_t saturn_null_ram_r(); void saturn_null_ram_w(uint32_t data); - void saturn_init_driver(int rgn); uint8_t saturn_pdr1_direct_r(); uint8_t saturn_pdr2_direct_r(); void saturn_pdr1_direct_w(uint8_t data); @@ -548,7 +572,7 @@ void sat_console_state::saturn_mem(address_map &map) map(0x05f80000, 0x05fbffff).rw(FUNC(sat_console_state::saturn_vdp2_regs_r), FUNC(sat_console_state::saturn_vdp2_regs_w)); map(0x05fe0000, 0x05fe00cf).m(m_scu, FUNC(sega_scu_device::regs_map)); //rw(FUNC(sat_console_state::saturn_scu_r), FUNC(sat_console_state::saturn_scu_w)); map(0x06000000, 0x060fffff).ram().mirror(0x21f00000).share("workram_h"); - map(0x45000000, 0x46ffffff).nopw(); + map(0x40000000, 0x46ffffff).nopw(); // associative purge page map(0x60000000, 0x600003ff).nopw(); // cache address array map(0xc0000000, 0xc0000fff).ram(); // cache data array, Dragon Ball Z sprites relies on this } @@ -884,7 +908,7 @@ void sat_console_state::saturnus(machine_config &config) SATURN_CART_SLOT(config, "exp", saturn_cart, nullptr); SOFTWARE_LIST(config, "cart_list").set_original("sat_cart"); - m_smpc_hle->set_region_code(4); + m_smpc_hle->set_region_code(REGION_NTSC_USA); } void sat_console_state::saturneu(machine_config &config) @@ -897,7 +921,7 @@ void sat_console_state::saturneu(machine_config &config) SATURN_CART_SLOT(config, "exp", saturn_cart, nullptr); SOFTWARE_LIST(config, "cart_list").set_original("sat_cart"); - m_smpc_hle->set_region_code(12); + m_smpc_hle->set_region_code(REGION_PAL_EUROPE); } void sat_console_state::saturnjp(machine_config &config) @@ -910,13 +934,27 @@ void sat_console_state::saturnjp(machine_config &config) SATURN_CART_SLOT(config, "exp", saturn_cart, nullptr); SOFTWARE_LIST(config, "cart_list").set_original("sat_cart"); - m_smpc_hle->set_region_code(1); + m_smpc_hle->set_region_code(REGION_NTSC_JAPAN); +} + +void sat_console_state::saturnkr(machine_config &config) +{ + saturn(config); + SATURN_CDB(config, "saturn_cdb", 16000000); + + SOFTWARE_LIST(config, "cd_list").set_original("saturn").set_filter("NTSC-K"); + + SATURN_CART_SLOT(config, "exp", saturn_cart, nullptr); + SOFTWARE_LIST(config, "cart_list").set_original("sat_cart"); + + m_smpc_hle->set_region_code(REGION_NTSC_KOREA); } -void sat_console_state::saturn_init_driver(int rgn) +template <bool is_pal> void sat_console_state::init_saturn() { - m_vdp2.pal = (rgn == 12) ? 1 : 0; + // TODO: setter for (missing) VDP2 device + m_vdp2.pal = is_pal; // set compatible options m_maincpu->sh2drc_set_options(SH2DRC_STRICT_VERIFY|SH2DRC_STRICT_PCREL); @@ -939,25 +977,8 @@ void sat_console_state::saturn_init_driver(int rgn) m_backupram = make_unique_clear<uint8_t[]>(0x8000); } -void sat_console_state::init_saturnus() -{ - saturn_init_driver(4); -} - -void sat_console_state::init_saturneu() -{ - saturn_init_driver(12); -} - -void sat_console_state::init_saturnjp() -{ - saturn_init_driver(1); -} - - -/* Japanese Saturn */ -ROM_START(saturnjp) - ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) /* SH2 code */ +ROM_START( saturnjp ) + ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS(0, "101", "Japan v1.01 (941228)") ROMX_LOAD("sega_101.bin", 0x00000000, 0x00080000, CRC(224b752c) SHA1(df94c5b4d47eb3cc404d88b33a8fda237eaf4720), ROM_BIOS(0)) ROM_SYSTEM_BIOS(1, "1003", "Japan v1.003 (941012)") @@ -966,9 +987,8 @@ ROM_START(saturnjp) ROMX_LOAD("sega_100.bin", 0x00000000, 0x00080000, CRC(2aba43c2) SHA1(2b8cb4f87580683eb4d760e4ed210813d667f0a2), ROM_BIOS(2)) ROM_END -/* Overseas Saturn */ -ROM_START(saturn) - ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) /* SH2 code */ +ROM_START( saturn ) + ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS(0, "101a", "Overseas v1.01a (941115)") /* Confirmed by ElBarto */ ROMX_LOAD("mpr-17933.bin", 0x00000000, 0x00080000, CRC(4afcf0fa) SHA1(faa8ea183a6d7bbe5d4e03bb1332519800d3fbc3), ROM_BIOS(0)) @@ -976,8 +996,8 @@ ROM_START(saturn) ROMX_LOAD("sega_100a.bin", 0x00000000, 0x00080000, CRC(f90f0089) SHA1(3bb41feb82838ab9a35601ac666de5aacfd17a58), ROM_BIOS(1)) ROM_END -ROM_START(saturneu) - ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) /* SH2 code */ +ROM_START( saturneu ) + ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS(0, "101a", "Overseas v1.01a (941115)") /* Confirmed by ElBarto */ ROMX_LOAD("mpr-17933.bin", 0x00000000, 0x00080000, CRC(4afcf0fa) SHA1(faa8ea183a6d7bbe5d4e03bb1332519800d3fbc3), ROM_BIOS(0)) @@ -985,13 +1005,20 @@ ROM_START(saturneu) ROMX_LOAD("sega_100a.bin", 0x00000000, 0x00080000, CRC(f90f0089) SHA1(3bb41feb82838ab9a35601ac666de5aacfd17a58), ROM_BIOS(1)) ROM_END -ROM_START(vsaturn) - ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) /* SH2 code */ +ROM_START( saturnkr ) + ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) + // undumped, uses Japanese VA1 motherboard with v1.02a BIOS rev, + // with extra checks for region jumpers that disables Japanese language if setting matches '2' (no Korea option tho) + ROM_LOAD("sega_101.bin", 0x00000000, 0x00080000, BAD_DUMP CRC(224b752c) SHA1(df94c5b4d47eb3cc404d88b33a8fda237eaf4720) ) +ROM_END + +ROM_START( vsaturn ) + ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) ROM_LOAD("vsaturn.bin", 0x00000000, 0x00080000, CRC(e4d61811) SHA1(4154e11959f3d5639b11d7902b3a393a99fb5776)) ROM_END -ROM_START(hisaturn) - ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) /* SH2 code */ +ROM_START( hisaturn ) + ROM_REGION32_BE( 0x80000, "bios", ROMREGION_ERASEFF ) ROM_SYSTEM_BIOS(0, "102", "v1.02 (950519)") ROMX_LOAD("mpr-18100.bin", 0x000000, 0x080000, CRC(3408dbf4) SHA1(8a22710e09ce75f39625894366cafe503ed1942d), ROM_BIOS(0)) ROM_SYSTEM_BIOS(1, "101", "v1.01 (950130)") @@ -999,8 +1026,9 @@ ROM_START(hisaturn) ROM_END /* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */ -CONS( 1994, saturn, 0, 0, saturnus, saturn, sat_console_state, init_saturnus, "Sega", "Saturn (USA)", MACHINE_NOT_WORKING ) -CONS( 1994, saturnjp, saturn, 0, saturnjp, saturn, sat_console_state, init_saturnjp, "Sega", "Saturn (Japan)", MACHINE_NOT_WORKING ) -CONS( 1994, saturneu, saturn, 0, saturneu, saturn, sat_console_state, init_saturneu, "Sega", "Saturn (PAL)", MACHINE_NOT_WORKING ) -CONS( 1995, vsaturn, saturn, 0, saturnjp, saturn, sat_console_state, init_saturnjp, "JVC", "V-Saturn", MACHINE_NOT_WORKING ) -CONS( 1995, hisaturn, saturn, 0, saturnjp, saturn, sat_console_state, init_saturnjp, "Hitachi", "HiSaturn", MACHINE_NOT_WORKING ) +CONS( 1994, saturn, 0, 0, saturnus, saturn, sat_console_state, init_saturn<false>, "Sega", "Saturn (USA)", MACHINE_NOT_WORKING ) +CONS( 1994, saturnjp, saturn, 0, saturnjp, saturn, sat_console_state, init_saturn<false>, "Sega", "Saturn (Japan)", MACHINE_NOT_WORKING ) +CONS( 1994, saturneu, saturn, 0, saturneu, saturn, sat_console_state, init_saturn<true>, "Sega", "Saturn (PAL)", MACHINE_NOT_WORKING ) +CONS( 1995, saturnkr, saturn, 0, saturnkr, saturn, sat_console_state, init_saturn<false>, "Samsung", "Saturn (Korea)", MACHINE_NOT_WORKING ) +CONS( 1995, vsaturn, saturn, 0, saturnjp, saturn, sat_console_state, init_saturn<false>, "JVC", "V-Saturn", MACHINE_NOT_WORKING ) +CONS( 1995, hisaturn, saturn, 0, saturnjp, saturn, sat_console_state, init_saturn<false>, "Hitachi", "HiSaturn", MACHINE_NOT_WORKING ) |