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https://github.com/holub/mame
synced 2025-04-20 15:32:45 +03:00
bus/gameboy: Added support for two Vast Fame multi-game cartridges.
Neither of these use per-game cartridge RAM banking, but they do segregate the RAM between games and disable it for games that don't need it. New working software list additions -------------- gbcolor.xml: Yín Bǎn Zhōngwén RPG Zhànlüè + Dòngzuò + Yìzhì 12 in 1 [taizou, Vas Crabb] gbcolor.xml: Shǐshàng Chāoqiáng RPG + Gédòu + Yìzhì Bǎn Zǔhé Kǎ 18 in 1 [taizou, Vas Crabb]
This commit is contained in:
Vas Crabb
parent
842efa863d
commit
63e0c8bdc3
@ -26363,12 +26363,40 @@ license:CC0
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<dataarea name="rom" size="0x100000">
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<rom name="guaishou go go ii.gbc" size="0x100000" crc="b0237467" sha1="8ed6f39a9973d634266806455ef845b6bdb5ab95" />
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</dataarea>
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<dataarea name="nvram" size="8192" />
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<dataarea name="nvram" size="0x2000" />
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</part>
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</software>
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<!-- some games don't work on gbcolor (e.g. 02. KOF98 works on gameboy but not gbcolor) -->
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<software name="145in1" supported="partial">
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<software name="vf12in1">
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<description>Yín Bǎn Zhōngwén RPG Zhànlüè + Dòngzuò + Yìzhì 12 in 1</description>
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<year>200?</year>
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<publisher>Vast Fame</publisher>
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<info name="alt_title" value="銀版中文RPG戰略+動作+益智12in1" />
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<part name="cart" interface="gameboy_cart">
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<feature name="slot" value="rom_slmulti" />
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<dataarea name="rom" size="0x800000">
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<rom name="yin ban zhongwen rpg zhanlue dongzuo yizhi 12 in 1.gbc" size="0x800000" crc="dc3171ad" sha1="bfb93e7b4b523ef21c2b98ba9dcb15eb7d4f07e4" />
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</dataarea>
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<dataarea name="nvram" size="0x20000" />
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</part>
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</software>
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<software name="vf18in1">
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<description>Shǐshàng Chāoqiáng RPG + Gédòu + Yìzhì Bǎn Zǔhé Kǎ 18 in 1</description>
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<year>200?</year>
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<publisher>Vast Fame</publisher>
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<info name="alt_title" value="史上超強RPG+格鬥+益智版組合卡18in1" />
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<part name="cart" interface="gameboy_cart">
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<feature name="slot" value="rom_slmulti" />
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<dataarea name="rom" size="0x1000000">
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<rom name="shishang chaoqiang rpg + gedou + yizhi ban zuhe ka 18 in 1.gbc" size="0x1000000" crc="28519ab1" sha1="b4c81c2b1d7f787ee92f38d45c86fe602c0aba22" />
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</dataarea>
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<dataarea name="nvram" size="0x20000" />
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</part>
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</software>
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<!-- some games don't work on gbcolor (e.g. 02. KOF97 works on gameboy but not gbcolor) -->
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<software name="jy145in1" supported="partial">
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<description>New Super Color 145 in 1 (China)</description>
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<year>200?</year>
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<publisher>J.Y. Company</publisher>
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@ -166,6 +166,7 @@ image_init_result mmm01_device::load(std::string &message)
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{
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// set up ROM and RAM
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set_bank_bits_rom(9);
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set_bank_bits_ram(4);
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if (!check_rom(message) || !check_ram(message))
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return image_init_result::FAIL;
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cart_space()->install_view(0xa000, 0xbfff, m_view_ram);
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@ -12,7 +12,7 @@
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#include "emu.h"
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#include "slmulti.h"
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#include "cartbase.h"
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#include "cartbase.ipp"
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#include <string>
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@ -25,7 +25,7 @@ namespace bus::gameboy {
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namespace {
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class slmulti_device : public mbc_dual_uniform_device_base
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class slmulti_device : public mbc_ram_device_base<mbc_dual_uniform_device_base>
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{
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public:
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slmulti_device(machine_config const &mconfig, char const *tag, device_t *owner, u32 clock);
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@ -37,8 +37,10 @@ protected:
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virtual void device_reset() override ATTR_COLD;
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private:
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void enable_ram(u8 data);
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void bank_switch_rom_fine(u8 data);
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void bank_switch_rom_coarse(u8 data);
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void bank_switch_ram(u8 data);
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void set_config_cmd(u8 data);
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void do_config_cmd(u8 data);
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@ -55,17 +57,22 @@ private:
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u16 bank_rom_entry_high() const noexcept
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{
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u16 const hi(m_high_page & m_page_mask);
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return (m_base_page & ~m_page_mask) | (hi ? hi : (m_zero_remap & m_page_mask));
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u16 const hi(m_high_page_rom & m_page_mask_rom);
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return (m_base_page_rom & ~m_page_mask_rom) | (hi ? hi : (m_zero_remap_rom & m_page_mask_rom));
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}
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memory_view m_view_ctrl;
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memory_view m_view_ram;
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u16 m_base_page;
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u16 m_high_page;
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u16 m_page_mask;
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u16 m_zero_remap;
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u8 m_config_cmd;
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u16 m_config_cmd;
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u16 m_base_page_rom;
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u16 m_high_page_rom;
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u16 m_page_mask_rom;
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u16 m_zero_remap_rom;
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u8 m_enable_ram;
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u8 m_base_page_ram;
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};
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@ -74,32 +81,46 @@ slmulti_device::slmulti_device(
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char const *tag,
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device_t *owner,
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u32 clock) :
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mbc_dual_uniform_device_base(mconfig, GB_ROM_SLMULTI, tag, owner, clock),
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mbc_ram_device_base<mbc_dual_uniform_device_base>(mconfig, GB_ROM_SLMULTI, tag, owner, clock),
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m_view_ctrl(*this, "ctrl"),
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m_base_page(0U),
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m_high_page(0U),
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m_page_mask(0U),
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m_zero_remap(0U),
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m_config_cmd(0U)
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m_view_ram(*this, "ram"),
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m_config_cmd(0U),
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m_base_page_rom(0U),
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m_high_page_rom(0U),
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m_page_mask_rom(0U),
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m_zero_remap_rom(0U),
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m_enable_ram(0U),
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m_base_page_ram(0U)
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{
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}
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image_init_result slmulti_device::load(std::string &message)
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{
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// set up ROM
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// set up ROM and RAM
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set_bank_bits_rom(10);
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if (!check_rom(message))
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set_bank_bits_ram(4);
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if (!check_rom(message) || !check_ram(message))
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return image_init_result::FAIL;
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cart_space()->install_view(0xa000, 0xbfff, m_view_ram);
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install_rom();
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install_ram(m_view_ram[0]);
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// install memory mapping control handlers
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cart_space()->install_view(
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0x2000, 0x7fff,
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m_view_ctrl);
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cart_space()->install_write_handler(
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0x0000, 0x1fff,
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write8smo_delegate(*this, FUNC(slmulti_device::enable_ram)));
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cart_space()->install_write_handler(
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0x2000, 0x3fff,
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write8smo_delegate(*this, FUNC(slmulti_device::bank_switch_rom_fine)));
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cart_space()->install_write_handler(
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0x4000, 0x5fff,
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write8smo_delegate(*this, FUNC(slmulti_device::bank_switch_ram)));
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// configuration mode and MBC5 mode partially overlay the normal handlers
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cart_space()->install_view(
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0x2000, 0x7fff,
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m_view_ctrl);
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// this is for MBC5 games
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m_view_ctrl[0].install_write_handler(
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@ -124,34 +145,58 @@ image_init_result slmulti_device::load(std::string &message)
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void slmulti_device::device_start()
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{
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mbc_dual_uniform_device_base::device_start();
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mbc_ram_device_base<mbc_dual_uniform_device_base>::device_start();
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m_base_page = 0U;
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m_high_page = 0U;
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m_page_mask = 1U;
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m_zero_remap = 0U;
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m_config_cmd = 0U;
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m_config_cmd = 0x0100U;
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m_base_page_rom = 0U;
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m_high_page_rom = 0U;
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m_page_mask_rom = 1U;
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m_zero_remap_rom = 0U;
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m_enable_ram = 0U;
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m_base_page_ram = 0U;
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save_item(NAME(m_base_page));
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save_item(NAME(m_high_page));
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save_item(NAME(m_page_mask));
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save_item(NAME(m_zero_remap));
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save_item(NAME(m_config_cmd));
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save_item(NAME(m_base_page_rom));
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save_item(NAME(m_high_page_rom));
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save_item(NAME(m_page_mask_rom));
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save_item(NAME(m_zero_remap_rom));
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save_item(NAME(m_enable_ram));
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save_item(NAME(m_base_page_ram));
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}
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void slmulti_device::device_reset()
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{
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mbc_dual_uniform_device_base::device_reset();
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mbc_ram_device_base<mbc_dual_uniform_device_base>::device_reset();
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set_bank_rom_low(m_base_page & ~m_page_mask);
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m_view_ram.disable();
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set_bank_rom_low(m_base_page_rom & ~m_page_mask_rom);
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update_bank_rom_high();
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}
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void slmulti_device::enable_ram(u8 data)
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{
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// TODO: how many bits are checked?
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if ((0x0a == (data & 0x0f)) && m_enable_ram)
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{
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LOG("%s: Cartridge RAM enabled\n", machine().describe_context());
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m_view_ram.select(0);
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}
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else
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{
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LOG("%s: Cartridge RAM disabled\n", machine().describe_context());
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m_view_ram.disable();
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}
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}
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void slmulti_device::bank_switch_rom_fine(u8 data)
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{
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m_high_page = data;
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m_high_page_rom = data;
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update_bank_rom_high();
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}
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@ -170,22 +215,33 @@ void slmulti_device::set_config_cmd(u8 data)
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}
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void slmulti_device::bank_switch_ram(u8 data)
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{
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LOG("%s: Set RAM bank 0x%02X\n", machine().describe_context(), data);
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}
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void slmulti_device::do_config_cmd(u8 data)
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{
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LOG(
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"%s: Execute configuration command 0x%02X with argument 0x%02X\n",
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machine().describe_context(),
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m_config_cmd,
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data);
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switch (m_config_cmd)
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{
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case 0x55:
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// bit 4 unknown
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m_base_page = (m_base_page & ~0x0200) | (u16(BIT(data, 3)) << 9);
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m_page_mask = (2U << BIT(~data, 0, 3)) - 1;
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m_base_page_rom = (m_base_page_rom & ~0x0200) | (u16(BIT(data, 3)) << 9);
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m_page_mask_rom = (2U << BIT(~data, 0, 3)) - 1;
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switch (BIT(data, 5, 2))
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{
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case 0x0: // used for MBC5 games
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m_zero_remap = 0U;
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m_zero_remap_rom = 0U;
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m_view_ctrl.select(0);
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break;
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case 0x3: // used for MBC1 games
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m_zero_remap = 1U;
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m_zero_remap_rom = 1U;
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m_view_ctrl.disable();
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break;
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default:
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@ -196,35 +252,51 @@ void slmulti_device::do_config_cmd(u8 data)
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m_view_ctrl.disable();
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}
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LOG(
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"%s: Set base page = 0x%03X (0x%06X), page mask = 0x%03X, zero remap = 0x%03X%s\n",
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"%s: Set base ROM page = 0x%03X (0x%06X), page mask = 0x%03X, zero remap = 0x%03X%s\n",
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machine().describe_context(),
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m_base_page,
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u32(m_base_page) << 14,
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m_page_mask,
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m_zero_remap,
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m_base_page_rom,
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u32(m_base_page_rom) << 14,
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m_page_mask_rom,
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m_zero_remap_rom,
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BIT(data, 7) ? ", reset" : "");
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set_bank_rom_low(m_base_page & ~m_page_mask);
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set_bank_rom_low(m_base_page_rom & ~m_page_mask_rom);
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update_bank_rom_high();
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if (BIT(data, 7))
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machine().root_device().reset(); // TODO: expose reset line on cartridge interface
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break;
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case 0xaa:
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m_base_page = (m_base_page & ~0x01fe) | (u16(data) << 1);
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m_base_page_rom = (m_base_page_rom & ~0x01fe) | (u16(data) << 1);
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LOG(
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"%s: Set base page = 0x%03X (0x%06X)\n",
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"%s: Set base ROM page = 0x%03X (0x%06X)\n",
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machine().describe_context(),
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m_base_page,
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u32(m_base_page) << 14);
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m_base_page_rom,
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u32(m_base_page_rom) << 14);
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set_bank_rom_low(m_base_page_rom & ~m_page_mask_rom);
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update_bank_rom_high();
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break;
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case 0xbb:
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m_enable_ram = BIT(data, 5);
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m_base_page_ram = BIT(data, 0, 4);
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set_bank_ram(m_base_page_ram);
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LOG(
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"%s: Set RAM %s, base page = 0x%X\n",
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machine().describe_context(),
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m_enable_ram ? "enabled" : "disabled",
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m_base_page_ram);
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break;
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default:
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LOG(
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logerror(
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"%s: Unknown configuration command 0x%02X with argument 0x%02X\n",
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machine().describe_context(),
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m_config_cmd,
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data);
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}
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// gbcolor:vf12in1 immediately writes 0x07 without writing to 0x5000 in between
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m_config_cmd = 0x0100;
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}
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} // anonymous namespace
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