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Diffstat (limited to 'src/mame/drivers/gameking.cpp')
-rw-r--r-- | src/mame/drivers/gameking.cpp | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/src/mame/drivers/gameking.cpp b/src/mame/drivers/gameking.cpp deleted file mode 100644 index 737445f5928..00000000000 --- a/src/mame/drivers/gameking.cpp +++ /dev/null @@ -1,354 +0,0 @@ -// license:GPL-2.0+ -// copyright-holders:Peter Trauner, AJR -/* TimeTop - GameKing */ -/* - PeT mess@utanet.at 2015 - - Thanks to Deathadder, Judge, Porchy, Klaus Sommer, James Brolly & Brian Provinciano - - hopefully my work (reverse engineering, cartridge+bios backup, emulation) will be honored in future - and my name will not be removed entirely, especially by simple code rewrites of working emulation - - flashcard, handheld, programmer, assembler ready to do some test on real hardware - - todo: - !back up gameking3 bios so emulation of gameking3 gets possible; my gameking bios backup solution should work - (improve emulation) - (add audio) - - use gameking3 cartridge to get illegal cartridge scroller -*/ - -#include "emu.h" -#include "cpu/m6502/st2204.h" -#include "bus/generic/slot.h" -#include "bus/generic/carts.h" -#include "sound/dac.h" -#include "emupal.h" -#include "screen.h" -#include "softlist.h" -#include "speaker.h" - - -class gameking_state : public driver_device -{ -public: - gameking_state(const machine_config &mconfig, device_type type, const char *tag) : - driver_device(mconfig, type, tag), - m_maincpu(*this, "maincpu"), - m_cart(*this, "cartslot"), - m_io_joy(*this, "JOY"), - m_palette(*this, "palette") - { } - - void gameking(machine_config &config); - void gameking3(machine_config &config); - void gameking1(machine_config &config); - - void init_gameking(); - -protected: - virtual void machine_start() override; - -private: - void gameking_palette(palette_device &palette) const; - void timer_w(uint8_t data); - uint8_t input_r(); - uint8_t input2_r(); - TIMER_CALLBACK_MEMBER(gameking_timer); - TIMER_CALLBACK_MEMBER(gameking_timer2); - - uint32_t screen_update_gameking(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); - uint32_t screen_update_gameking3(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); - DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load); - - void gameking_mem(address_map &map); - void gameking3_mem(address_map &map); - - required_device<cpu_device> m_maincpu; - required_device<generic_slot_device> m_cart; - required_ioport m_io_joy; - optional_device<palette_device> m_palette; - - emu_timer *timer1; - emu_timer *timer2; - - uint8_t m_timer; -}; - - -void gameking_state::timer_w(uint8_t data) -{ - m_timer = data; - //m_maincpu->set_input_line(M6502_IRQ_LINE, CLEAR_LINE); - timer1->enable(true); - timer1->reset(m_maincpu->cycles_to_attotime(data * 300/*?*/)); -} - -uint8_t gameking_state::input_r() -{ - return m_io_joy->read() | ~3; -} - -uint8_t gameking_state::input2_r() -{ - return m_io_joy->read() | 3; -} - -void gameking_state::gameking_mem(address_map &map) -{ - map(0x000000, 0x07ffff).rom().region("maincpu", 0); -} - -void gameking_state::gameking3_mem(address_map &map) -{ - map(0x000000, 0x07ffff).rom().region("maincpu", 0); - map(0x800000, 0x807fff).ram(); -} - - -static INPUT_PORTS_START( gameking ) - PORT_START("JOY") - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_START) PORT_NAME("Start") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_SELECT) PORT_NAME("Select") //? - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("A") - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("B") - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) //? - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) -INPUT_PORTS_END - -static INPUT_PORTS_START( gameking3 ) - PORT_INCLUDE( gameking ) - PORT_MODIFY("JOY") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_START) PORT_NAME("Start") - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SELECT) PORT_NAME("Select") //? -INPUT_PORTS_END - -static constexpr rgb_t gameking_pens[] = -{ - { 255, 255, 255 }, - { 127, 127, 127 }, - { 63, 63, 63 }, - { 0, 0, 0 } -}; - -void gameking_state::gameking_palette(palette_device &palette) const -{ - palette.set_pen_colors(0, gameking_pens); -} - - -uint32_t gameking_state::screen_update_gameking(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) -{ - address_space *maincpu_ram = &m_maincpu->space(AS_PROGRAM); - offs_t lssa = m_maincpu->state_int(st2xxx_device::ST_LSSA); - if (lssa < 0x0080) - return 0; - - for (int y=31, i=0;i<32;i++,y--) - { - for (int x=0, j=0;j<48/4;x+=4, j++) - { - uint8_t data=maincpu_ram->read_byte(lssa+j+i*12); - bitmap.pix(y, x+3)=data&3; - bitmap.pix(y, x+2)=(data>>2)&3; - bitmap.pix(y, x+1)=(data>>4)&3; - bitmap.pix(y, x)=(data>>6)&3; - } - } - return 0; -} - - -static constexpr uint8_t gameking3_intensities[] = -{ - 0, - 127, - 191, - 255 -}; - -uint32_t gameking_state::screen_update_gameking3(screen_device& screen, bitmap_rgb32 &bitmap, const rectangle& cliprect) -{ - address_space* maincpu_ram = &m_maincpu->space(AS_PROGRAM); - offs_t lssa = m_maincpu->state_int(st2xxx_device::ST_LSSA); - if (lssa < 0x0080) - return 0; - - for (int y = 0, i = 0; i < 80; y += 2, i++) - { - for (int x = 0, j = 0; j < 40; x += 4, j++) - { - uint8_t data=maincpu_ram->read_byte(lssa+j+i*40); - - // apply SPRD-C color filter - switch (i % 3) - { - case 0: - bitmap.pix(y, x + 3) = rgb_t(0, gameking3_intensities[data&3], 0); - bitmap.pix(y + 1, x + 2) = rgb_t(gameking3_intensities[(data>>2)&3], 0, 0); - bitmap.pix(y, x + 1) = rgb_t(0, gameking3_intensities[(data>>4)&3], 0); - bitmap.pix(y + 1, x) = rgb_t(gameking3_intensities[(data>>6)&3], 0, 0); - break; - - case 1: - bitmap.pix(y, x + 3) = rgb_t(0, 0, gameking3_intensities[data&3]); - bitmap.pix(y + 1, x+2) = rgb_t(0, gameking3_intensities[(data>>2)&3], 0); - bitmap.pix(y, x + 1) = rgb_t(0, 0, gameking3_intensities[(data>>4)&3]); - bitmap.pix(y + 1, x) = rgb_t(0, gameking3_intensities[(data>>6)&3], 0); - break; - - case 2: - bitmap.pix(y, x + 3) = rgb_t(gameking3_intensities[data&3], 0, 0); - bitmap.pix(y + 1, x+2) = rgb_t(0, 0, gameking3_intensities[(data>>2)&3]); - bitmap.pix(y, x + 1) = rgb_t(gameking3_intensities[(data>>4)&3], 0, 0); - bitmap.pix(y + 1, x) = rgb_t(0, 0, gameking3_intensities[(data>>6)&3]); - break; - } - } - } - - // interpolate values for dots in between - for (int y = 0; y < 160; y++) - { - for (int x = y & 1; x < 160; x += 2) - { - rgb_t l = rgb_t(x == 0 ? 0 : bitmap.pix(y, x - 1)); - rgb_t r = rgb_t(x == 159 ? 0 : bitmap.pix(y, x + 1)); - rgb_t u = rgb_t(y == 0 ? 0 : bitmap.pix(y - 1, x)); - rgb_t d = rgb_t(y == 159 ? 0 : bitmap.pix(y + 1, x)); - - bitmap.pix(y, x) = rgb_t( - ((u.r() + d.r()) * 2 + l.r() + r.r()) / 3, - ((u.g() + d.g()) * 2 + l.g() + r.g()) / 3, - ((u.b() + d.b()) * 2 + l.b() + r.b()) / 3 - ); - } - } - - return 0; -} - - -void gameking_state::init_gameking() -{ - timer1 = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(gameking_state::gameking_timer), this)); - timer2 = machine().scheduler().timer_alloc(timer_expired_delegate(FUNC(gameking_state::gameking_timer2), this)); -} - -TIMER_CALLBACK_MEMBER(gameking_state::gameking_timer) -{ - m_maincpu->set_state_int(st2xxx_device::ST_IREQ, - m_maincpu->state_int(st2xxx_device::ST_IREQ) | (0x010 & m_maincpu->state_int(st2xxx_device::ST_IENA))); - timer1->enable(false); - timer2->enable(true); - timer2->reset(m_maincpu->cycles_to_attotime(10/*?*/)); -} - -TIMER_CALLBACK_MEMBER(gameking_state::gameking_timer2) -{ - //m_maincpu->set_input_line(M6502_IRQ_LINE, CLEAR_LINE); // in reality int for vector at fff4 - timer2->enable(false); - timer1->enable(true); - timer1->reset(m_maincpu->cycles_to_attotime(m_timer * 300/*?*/)); -} - -DEVICE_IMAGE_LOAD_MEMBER(gameking_state::cart_load) -{ - uint32_t size = m_cart->common_get_size("rom"); - - if (size > 0x100000) - { - image.seterror(image_error::INVALIDIMAGE, "Unsupported cartridge size"); - return image_init_result::FAIL; - } - - m_cart->rom_alloc(size, GENERIC_ROM8_WIDTH, ENDIANNESS_LITTLE); - m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom"); - - return image_init_result::PASS; -} - -void gameking_state::machine_start() -{ - std::string region_tag; - memory_region *cart_rom = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str()); - if (cart_rom) - m_maincpu->space(AS_DATA).install_rom(0x400000, 0x400000 + cart_rom->bytes() - 1, cart_rom->base()); // FIXME: gamekin3 wants Flash cartridges, not plain ROM -} - - -void gameking_state::gameking(machine_config &config) -{ - /* basic machine hardware */ - st2204_device &maincpu(ST2204(config, m_maincpu, 6000000)); - maincpu.set_addrmap(AS_DATA, &gameking_state::gameking_mem); - maincpu.in_pa_callback().set(FUNC(gameking_state::input_r)); - maincpu.in_pb_callback().set(FUNC(gameking_state::input2_r)); - maincpu.out_pc_callback().set(FUNC(gameking_state::timer_w)); // wrong - maincpu.in_pl_callback().set_constant(6); // bios protection endless loop - maincpu.dac_callback().set("dac", FUNC(dac_byte_interface::write)); - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD)); - screen.set_refresh_hz(60); - screen.set_size(48, 32); - screen.set_visarea_full(); - screen.set_screen_update(FUNC(gameking_state::screen_update_gameking)); - screen.set_palette(m_palette); - - PALETTE(config, m_palette, FUNC(gameking_state::gameking_palette), std::size(gameking_pens)); - - /* sound hardware */ - SPEAKER(config, "speaker").front_center(); - - DAC_8BIT_R2R_TWOS_COMPLEMENT(config, "dac", 0).add_route(0, "speaker", 1.0); - - /* cartridge */ - GENERIC_CARTSLOT(config, "cartslot", generic_plain_slot, "gameking_cart", "bin").set_device_load(FUNC(gameking_state::cart_load)); -} - -void gameking_state::gameking1(machine_config &config) -{ - gameking(config); - SOFTWARE_LIST(config, "cart_list").set_original("gameking"); -} - -void gameking_state::gameking3(machine_config &config) -{ - gameking(config); - m_maincpu->set_clock(8000000); - m_maincpu->set_addrmap(AS_DATA, &gameking_state::gameking3_mem); - - screen_device &screen(*subdevice<screen_device>("screen")); - screen.set_size(160, 160); - screen.set_visarea_full(); - screen.set_physical_aspect(3, 2); - screen.set_refresh_hz(39.308176); // ? - screen.set_screen_update(FUNC(gameking_state::screen_update_gameking3)); - screen.set_no_palette(); - config.device_remove("palette"); - - SOFTWARE_LIST(config, "cart_list").set_original("gameking"); - SOFTWARE_LIST(config, "cart_list_3").set_original("gameking3"); -} - - -ROM_START(gameking) - ROM_REGION(0x80000, "maincpu", 0) - ROM_LOAD("gm218.bin", 0x00000, 0x80000, CRC(5a1ade3d) SHA1(e0d056f8ebfdf52ef6796d0375eba7fcc4a6a9d3) ) -ROM_END - -ROM_START(gamekin3) - ROM_REGION(0x80000, "maincpu", 0) - ROM_LOAD("gm220.bin", 0x00000, 0x80000, CRC(1dc43bd5) SHA1(f9dcd3cb76bb7cb10565a1acb070ab375c082b4c) ) -ROM_END - -CONS( 2003, gameking, 0, 0, gameking1, gameking, gameking_state, init_gameking, "TimeTop", "GameKing GM-218", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND ) -// the GameKing 2 (GM-219) is probably identical HW - -CONS( 2003, gamekin3, 0, 0, gameking3, gameking3, gameking_state, init_gameking, "TimeTop", "GameKing 3", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND ) -// gameking 3: similiar cartridges, accepts gameking cartridges, gameking3 cartridges not working on gameking (illegal cartridge scroller) -// my gameking bios backup solution might work on it |