diff options
Diffstat (limited to 'src/devices/bus/sega8/rom.cpp')
-rw-r--r-- | src/devices/bus/sega8/rom.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/devices/bus/sega8/rom.cpp b/src/devices/bus/sega8/rom.cpp index 1cc25a476cf..6d7abd8338c 100644 --- a/src/devices/bus/sega8/rom.cpp +++ b/src/devices/bus/sega8/rom.cpp @@ -11,6 +11,7 @@ #include "emu.h" #include "rom.h" +#include "softlist_dev.h" //------------------------------------------------- @@ -39,6 +40,7 @@ DEFINE_DEVICE_TYPE(SEGA8_ROM_NEMESIS, sega8_nemesis_device, "sega8_nem DEFINE_DEVICE_TYPE(SEGA8_ROM_JANGGUN, sega8_janggun_device, "sega8_janggun", "SMS Janggun Cart") DEFINE_DEVICE_TYPE(SEGA8_ROM_HICOM, sega8_hicom_device, "sega8_hicom", "SMS Hi-Com Carts") DEFINE_DEVICE_TYPE(SEGA8_ROM_KOREAN, sega8_korean_device, "sega8_korean", "SMS Korean Carts") +DEFINE_DEVICE_TYPE(SEGA8_ROM_KOREAN_188, sega8_korean_188_device, "sega8_korean_188", "SMS Korean 188 in 1 Multicart") DEFINE_DEVICE_TYPE(SEGA8_ROM_KOREAN_NB, sega8_korean_nb_device, "sega8_korean_nb", "SMS Korean No-Bank Mapper Carts") DEFINE_DEVICE_TYPE(SEGA8_ROM_SEOJIN, sega8_seojin_device, "sega8_seojin", "SMS Seo Jin Multi-cart") DEFINE_DEVICE_TYPE(SEGA8_ROM_X_TERMINATOR, sega8_x_terminator_device, "sega8_x_terminator", "GG X-Terminator") @@ -177,6 +179,13 @@ sega8_korean_device::sega8_korean_device(const machine_config &mconfig, const ch } +sega8_korean_188_device::sega8_korean_188_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) + : sega8_rom_device(mconfig, SEGA8_ROM_KOREAN_188, tag, owner, clock) + , m_rom_bank_base(0) +{ +} + + sega8_korean_nb_device::sega8_korean_nb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : sega8_rom_device(mconfig, SEGA8_ROM_KOREAN_NB, tag, owner, clock) { @@ -257,6 +266,7 @@ void sega8_codemasters_device::device_reset() m_ram_enabled = 0; } + void sega8_4pak_device::device_start() { save_item(NAME(m_rom_bank_base)); @@ -284,6 +294,17 @@ void sega8_zemina_device::device_reset() } +void sega8_korean_188_device::device_start() +{ + save_item(NAME(m_rom_bank_base)); +} + +void sega8_korean_188_device::device_reset() +{ + m_rom_bank_base = 0; +} + + void sega8_multicart_device::device_start() { save_item(NAME(m_block)); @@ -989,6 +1010,36 @@ void sega8_korean_device::write_cart(offs_t offset, uint8_t data) m_rom_bank_base[2] = data % m_rom_page_count; } + +/*------------------------------------------------- + + Korean Game 188 multicart, + writes to 0x2000 switch 8K banks at 0x4000-0xbfff + + TODO: figure out why menu #s 6, 13, etc don't load. + Add dumps of other compatible multicarts. + + -------------------------------------------------*/ + +u8 sega8_korean_188_device::read_cart(offs_t offset) +{ + if (offset < 0x4000) + return m_rom[offset]; + else + { + int bank = m_rom_bank_base ^ 0x1f; + bank %= m_rom_page_count * 2; + return m_rom[bank * 0x2000 + offset - 0x4000]; + } +} + +void sega8_korean_188_device::write_cart(offs_t offset, u8 data) +{ + if ((offset & 0x6000) == 0x2000) + m_rom_bank_base = data; +} + + /*------------------------------------------------- Seo Jin Multi-Carts |