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Diffstat (limited to 'src/mame/drivers/cham24.cpp')
-rw-r--r-- | src/mame/drivers/cham24.cpp | 326 |
1 files changed, 0 insertions, 326 deletions
diff --git a/src/mame/drivers/cham24.cpp b/src/mame/drivers/cham24.cpp deleted file mode 100644 index a314148a724..00000000000 --- a/src/mame/drivers/cham24.cpp +++ /dev/null @@ -1,326 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Mariusz Wojcieszek -/* - Chameleon 24 - - driver by Mariusz Wojcieszek - uses NES emulaton by Brad Olivier - - Notes: - - NES hardware is probably implemented on FPGA - - Atmel mcu probably controls coins and timer - since these are not emulated - game is marked as 'not working' - - 72-in-1 mapper (found on NES pirate carts) is used for bank switching - - code at 0x0f8000 in 24-2.u2 contains English version of menu, code at 0x0fc000 contains - other version (Asian language), is this controlled by mcu? - -PCB is small and newly manufactured. There's 24 games which can be chosen -from a text menu after coin-up. -The games appear to be old NES games (i.e. very poor quality for an arcade product) -Screenshots can be found here.... -http://www.coinopexpress.com/products/pcbs/pcb/Chameleon_24_2839.html - -PCB Layout ----------- - - -|------------------------------------| -| LM380 -------- | -| |NTA0002| | -| |(QFP80)| 24-1.U1 | -| -------- | -| 2003 ----------- | -| |LATTICE | | -| DSW1 |PLSI 1016| | -|J |(PLCC44) | 24-2.U2 | -|A AT89C51 ----------- | -|M | -|M SW1 21.4771MHz | -|A | -| GW6582 LS02 | -| |-----------| 4040 | -| 74HC245 |Phillps | 4040 | -| |SAA71111AH2| | -| |20505650 | | -| |bP0219 | 24-3.U3 | -| 24.576MHz|-----------| | -| (QFP64) | -|------------------------------------| - -Notes: - All components are listed. - DSW1 has 2 switches only - SW1 is a push button switch - U1 is 27C040 EPROM - U2 is 27C080 EPROM - U3 is 27C512 EPROM -*/ - -#include "emu.h" -#include "cpu/m6502/n2a03.h" -#include "video/ppu2c0x.h" -#include "screen.h" -#include "speaker.h" - - -class cham24_state : public driver_device -{ -public: - cham24_state(const machine_config &mconfig, device_type type, const char *tag) - : driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_ppu(*this, "ppu") { } - - required_device<n2a03_device> m_maincpu; - required_device<ppu2c0x_device> m_ppu; - - std::unique_ptr<uint8_t[]> m_nt_ram; - uint8_t* m_nt_page[4]; - uint32_t m_in_0; - uint32_t m_in_1; - uint32_t m_in_0_shift; - uint32_t m_in_1_shift; - DECLARE_WRITE8_MEMBER(nt_w); - DECLARE_READ8_MEMBER(nt_r); - DECLARE_WRITE8_MEMBER(sprite_dma_w); - DECLARE_READ8_MEMBER(cham24_IN0_r); - DECLARE_WRITE8_MEMBER(cham24_IN0_w); - DECLARE_READ8_MEMBER(cham24_IN1_r); - DECLARE_WRITE8_MEMBER(cham24_mapper_w); - void init_cham24(); - virtual void machine_start() override; - virtual void machine_reset() override; - virtual void video_start() override; - void cham24_set_mirroring( int mirroring ); - void cham24(machine_config &config); - void cham24_map(address_map &map); -}; - - - -void cham24_state::cham24_set_mirroring( int mirroring ) -{ - switch(mirroring) - { - case PPU_MIRROR_LOW: - m_nt_page[0] = m_nt_page[1] = m_nt_page[2] = m_nt_page[3] = m_nt_ram.get(); - break; - case PPU_MIRROR_HIGH: - m_nt_page[0] = m_nt_page[1] = m_nt_page[2] = m_nt_page[3] = m_nt_ram.get() + 0x400; - break; - case PPU_MIRROR_HORZ: - m_nt_page[0] = m_nt_ram.get(); - m_nt_page[1] = m_nt_ram.get(); - m_nt_page[2] = m_nt_ram.get() + 0x400; - m_nt_page[3] = m_nt_ram.get() + 0x400; - break; - case PPU_MIRROR_VERT: - m_nt_page[0] = m_nt_ram.get(); - m_nt_page[1] = m_nt_ram.get() + 0x400; - m_nt_page[2] = m_nt_ram.get(); - m_nt_page[3] = m_nt_ram.get() + 0x400; - break; - case PPU_MIRROR_NONE: - default: - m_nt_page[0] = m_nt_ram.get(); - m_nt_page[1] = m_nt_ram.get() + 0x400; - m_nt_page[2] = m_nt_ram.get() + 0x800; - m_nt_page[3] = m_nt_ram.get() + 0xc00; - break; - } -} - -WRITE8_MEMBER(cham24_state::nt_w) -{ - int page = ((offset & 0xc00) >> 10); - m_nt_page[page][offset & 0x3ff] = data; -} - -READ8_MEMBER(cham24_state::nt_r) -{ - int page = ((offset & 0xc00) >> 10); - return m_nt_page[page][offset & 0x3ff]; - -} - -WRITE8_MEMBER(cham24_state::sprite_dma_w) -{ - int source = (data & 7); - m_ppu->spriteram_dma(space, source); -} - -READ8_MEMBER(cham24_state::cham24_IN0_r) -{ - return ((m_in_0 >> m_in_0_shift++) & 0x01) | 0x40; -} - -WRITE8_MEMBER(cham24_state::cham24_IN0_w) -{ - if (data & 0xfe) - { - //logerror("Unhandled cham24_IN0_w write: data = %02X\n", data); - } - - if (data & 0x01) - { - return; - } - - m_in_0_shift = 0; - m_in_1_shift = 0; - - m_in_0 = ioport("P1")->read(); - m_in_1 = ioport("P2")->read(); - -} - -READ8_MEMBER(cham24_state::cham24_IN1_r) -{ - return ((m_in_1 >> m_in_1_shift++) & 0x01) | 0x40; -} - -WRITE8_MEMBER(cham24_state::cham24_mapper_w) -{ - uint32_t gfx_bank = offset & 0x3f; - uint32_t prg_16k_bank_page = (offset >> 6) & 0x01; - uint32_t prg_bank = (offset >> 7) & 0x1f; - uint32_t prg_bank_page_size = (offset >> 12) & 0x01; - uint32_t gfx_mirroring = (offset >> 13) & 0x01; - - uint8_t* dst = memregion("maincpu")->base(); - uint8_t* src = memregion("user1")->base(); - - // switch PPU VROM bank - membank("bank1")->set_base(memregion("gfx1")->base() + (0x2000 * gfx_bank)); - - // set gfx mirroring - cham24_set_mirroring(gfx_mirroring != 0 ? PPU_MIRROR_HORZ : PPU_MIRROR_VERT); - - // switch PRG bank - if (prg_bank_page_size == 0) - { - // 32K - memcpy(&dst[0x8000], &src[prg_bank * 0x8000], 0x8000); - } - else - { - if (prg_16k_bank_page == 1) - { - // upper half of 32K page - memcpy(&dst[0x8000], &src[(prg_bank * 0x8000) + 0x4000], 0x4000); - memcpy(&dst[0xC000], &src[(prg_bank * 0x8000) + 0x4000], 0x4000); - } - else - { - // lower half of 32K page - memcpy(&dst[0x8000], &src[(prg_bank * 0x8000)], 0x4000); - memcpy(&dst[0xC000], &src[(prg_bank * 0x8000)], 0x4000); - } - } -} - -void cham24_state::cham24_map(address_map &map) -{ - map(0x0000, 0x07ff).ram(); /* NES RAM */ - map(0x2000, 0x3fff).rw(m_ppu, FUNC(ppu2c0x_device::read), FUNC(ppu2c0x_device::write)); - map(0x4014, 0x4014).w(FUNC(cham24_state::sprite_dma_w)); - map(0x4016, 0x4016).rw(FUNC(cham24_state::cham24_IN0_r), FUNC(cham24_state::cham24_IN0_w)); /* IN0 - input port 1 */ - map(0x4017, 0x4017).r(FUNC(cham24_state::cham24_IN1_r)); /* IN1 - input port 2 / PSG second control register */ - map(0x8000, 0xffff).rom().w(FUNC(cham24_state::cham24_mapper_w)); -} - -static INPUT_PORTS_START( cham24 ) - PORT_START("P1") /* IN0 */ - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1) /* Select */ - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 ) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) - - PORT_START("P2") /* IN1 */ - PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(2) - PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(2) - PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(2) /* Select */ - PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START2 ) - PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(2) - PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) - PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) - PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) -INPUT_PORTS_END - -void cham24_state::video_start() -{ -} - - -void cham24_state::machine_start() -{ - /* need nametable ram, though. I doubt this uses more than 2k, but it starts up configured for 4 */ - m_nt_ram = std::make_unique<uint8_t[]>(0x1000); -} - -void cham24_state::machine_reset() -{ - /* switch PRG rom */ - uint8_t* dst = memregion("maincpu")->base(); - uint8_t* src = memregion("user1")->base(); - - memcpy(&dst[0x8000], &src[0x0f8000], 0x4000); - memcpy(&dst[0xc000], &src[0x0f8000], 0x4000); - - /* uses 8K swapping, all ROM!*/ - m_ppu->space(AS_PROGRAM).install_read_bank(0x0000, 0x1fff, "bank1"); - membank("bank1")->set_base(memregion("gfx1")->base()); - - m_nt_page[0] = m_nt_ram.get(); - m_nt_page[1] = m_nt_ram.get() + 0x400; - m_nt_page[2] = m_nt_ram.get() + 0x800; - m_nt_page[3] = m_nt_ram.get() + 0xc00; - - /* and read/write handlers */ - m_ppu->space(AS_PROGRAM).install_readwrite_handler(0x2000, 0x3eff, read8_delegate(*this, FUNC(cham24_state::nt_r)), write8_delegate(*this, FUNC(cham24_state::nt_w))); -} - -void cham24_state::init_cham24() -{ -} - -void cham24_state::cham24(machine_config &config) -{ - /* basic machine hardware */ - N2A03(config, m_maincpu, NTSC_APU_CLOCK); - m_maincpu->set_addrmap(AS_PROGRAM, &cham24_state::cham24_map); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_refresh_hz(60); - screen.set_size(32*8, 262); - screen.set_visarea(0*8, 32*8-1, 0*8, 30*8-1); - screen.set_screen_update("ppu", FUNC(ppu2c0x_device::screen_update)); - - PPU_2C02(config, m_ppu); - m_ppu->set_cpu_tag(m_maincpu); - m_ppu->int_callback().set_inputline(m_maincpu, INPUT_LINE_NMI); - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - m_maincpu->add_route(ALL_OUTPUTS, "mono", 0.50); -} - -ROM_START( cham24 ) - ROM_REGION(0x10000, "maincpu", ROMREGION_ERASE00) - - ROM_REGION(0x100000, "user1", 0) - ROM_LOAD( "24-2.u2", 0x000000, 0x100000, CRC(686e9d05) SHA1(a55b9850a4b47f1b4495710e71534ca0287b05ee) ) - - ROM_REGION(0x080000, "gfx1", 0) - ROM_LOAD( "24-1.u1", 0x000000, 0x080000, CRC(43c43d58) SHA1(3171befaca28acc80fb70226748d9abde76a1b56) ) - - ROM_REGION(0x10000, "user2", 0) - ROM_LOAD( "24-3.u3", 0x0000, 0x10000, CRC(e97955fa) SHA1(6d686c5d0967c9c2f40dbd8e6a0c0907606f2c7d) ) // unknown rom -ROM_END - -GAME( 2002, cham24, 0, cham24, cham24, cham24_state, init_cham24, ROT0, "bootleg", "Chameleon 24", MACHINE_NOT_WORKING ) |