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casio/casloopy.cpp: Promoted system to working. (#11621)
* Emulated most features of the system, with the exception of sound output and the thermal printer. * bus/vboy/slot.cpp: Fixed loading loose software on big Endian hosts. [Vas Crabb] Systems promoted to working --------------------------- Casio Loopy [Phil Bennett, Ryan Holtz] New working software list items (casloopy.xml) ------------------------------- Chakra-kun no Omajinai Paradise [Rachel Simone Weil]
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,117 @@ | ||
| // license:BSD-3-Clause | ||
| // copyright-holders:Vas Crabb | ||
| /*********************************************************************************************************** | ||
| Casio Loopy cart emulation | ||
| ***********************************************************************************************************/ | ||
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| #include "emu.h" | ||
| #include "rom.h" | ||
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| //------------------------------------------------- | ||
| // casloopy_rom_device - constructor | ||
| //------------------------------------------------- | ||
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| DEFINE_DEVICE_TYPE(CASLOOPY_ROM_STD, casloopy_rom_device, "casloopy_rom", "Casio Loopy Standard Cart") | ||
| DEFINE_DEVICE_TYPE(CASLOOPY_ROM_ADPCM, casloopy_adpcm_device, "casloopy_adpcm", "Casio Loopy ADPCM Cart") | ||
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| casloopy_rom_device::casloopy_rom_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, u32 clock) | ||
| : device_t(mconfig, type, tag, owner, clock), device_casloopy_cart_interface(mconfig, *this) | ||
| , m_rom_base(nullptr) | ||
| , m_nvram_base(nullptr) | ||
| , m_rom_size(0) | ||
| , m_nvram_size(0) | ||
| { | ||
| } | ||
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| casloopy_rom_device::casloopy_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) | ||
| : casloopy_rom_device(mconfig, CASLOOPY_ROM_STD, tag, owner, clock) | ||
| { | ||
| } | ||
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| casloopy_adpcm_device::casloopy_adpcm_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock) | ||
| : casloopy_rom_device(mconfig, CASLOOPY_ROM_ADPCM, tag, owner, clock) | ||
| { | ||
| } | ||
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| /*------------------------------------------------- | ||
| device_t implementation | ||
| -------------------------------------------------*/ | ||
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| void casloopy_rom_device::device_start() | ||
| { | ||
| } | ||
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| void casloopy_adpcm_device::device_add_mconfig(machine_config &config) | ||
| { | ||
| casloopy_rom_device::device_add_mconfig(config); | ||
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| // TODO: Add support for the MSM6653A ADPCM chip, or samples | ||
| // and route to the speakers | ||
| } | ||
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| /*------------------------------------------------- | ||
| load/unload | ||
| -------------------------------------------------*/ | ||
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| std::error_condition casloopy_rom_device::load() | ||
| { | ||
| memory_region *const romregion = memregion("^rom"); | ||
| m_rom_base = reinterpret_cast<const u16 *>(romregion->base()); | ||
| m_rom_size = romregion->bytes() / 2; | ||
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| memory_region *const nvramregion = memregion("^nvram"); | ||
| if (nvramregion) | ||
| { | ||
| m_nvram_base = reinterpret_cast<u8 *>(nvramregion->base()); | ||
| m_nvram_size = nvramregion->bytes(); | ||
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| if (m_nvram_size & (m_nvram_size - 1)) | ||
| return image_error::BADSOFTWARE; | ||
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| save_pointer(NAME(m_nvram_base), m_nvram_size); | ||
| battery_load(m_nvram_base, m_nvram_size, nullptr); | ||
| } | ||
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| return std::error_condition(); | ||
| } | ||
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| void casloopy_rom_device::unload() | ||
| { | ||
| if (m_nvram_base) | ||
| battery_save(m_nvram_base, m_nvram_size); | ||
| } | ||
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| /*------------------------------------------------- | ||
| read/write | ||
| -------------------------------------------------*/ | ||
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| u16 casloopy_rom_device::rom_r(offs_t offset) | ||
| { | ||
| if (offset < m_rom_size) | ||
| return m_rom_base[offset]; | ||
| else | ||
| return 0xffff; | ||
| } | ||
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| u8 casloopy_rom_device::ram_r(offs_t offset) | ||
| { | ||
| if (m_nvram_base) | ||
| return m_nvram_base[offset & (m_nvram_size - 1)]; | ||
| else | ||
| return 0xff; | ||
| } | ||
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| void casloopy_rom_device::ram_w(offs_t offset, u8 data) | ||
| { | ||
| if (m_nvram_base) | ||
| m_nvram_base[offset & (m_nvram_size - 1)] = data; | ||
| } |
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