diff options
Diffstat (limited to 'src/mame/drivers/gameking.cpp')
-rw-r--r-- | src/mame/drivers/gameking.cpp | 102 |
1 files changed, 95 insertions, 7 deletions
diff --git a/src/mame/drivers/gameking.cpp b/src/mame/drivers/gameking.cpp index f9e3f77bb44..8dd9969ee0f 100644 --- a/src/mame/drivers/gameking.cpp +++ b/src/mame/drivers/gameking.cpp @@ -1,5 +1,5 @@ // license:GPL-2.0+ -// copyright-holders:Peter Trauner +// copyright-holders:Peter Trauner, AJR /* TimeTop - GameKing */ /* PeT mess@utanet.at 2015 @@ -57,6 +57,7 @@ private: 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); @@ -65,7 +66,7 @@ private: required_device<cpu_device> m_maincpu; required_device<generic_slot_device> m_cart; required_ioport m_io_joy; - required_device<palette_device> m_palette; + optional_device<palette_device> m_palette; emu_timer *timer1; emu_timer *timer2; @@ -100,8 +101,7 @@ void gameking_state::gameking_mem(address_map &map) void gameking_state::gameking3_mem(address_map &map) { map(0x000000, 0x07ffff).rom().region("maincpu", 0); - map(0x800000, 0x802fff).ram(); - map(0x804800, 0x8048ff).ram(); + map(0x800000, 0x807fff).ram(); } @@ -117,6 +117,13 @@ static INPUT_PORTS_START( gameking ) 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 }, @@ -153,6 +160,76 @@ uint32_t gameking_state::screen_update_gameking(screen_device &screen, bitmap_in } +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.pix32(y, x + 3) = rgb_t(0, gameking3_intensities[data&3], 0); + bitmap.pix32(y + 1, x + 2) = rgb_t(gameking3_intensities[(data>>2)&3], 0, 0); + bitmap.pix32(y, x + 1) = rgb_t(0, gameking3_intensities[(data>>4)&3], 0); + bitmap.pix32(y + 1, x) = rgb_t(gameking3_intensities[(data>>6)&3], 0, 0); + break; + + case 1: + bitmap.pix32(y, x + 3) = rgb_t(0, 0, gameking3_intensities[data&3]); + bitmap.pix32(y + 1, x+2) = rgb_t(0, gameking3_intensities[(data>>2)&3], 0); + bitmap.pix32(y, x + 1) = rgb_t(0, 0, gameking3_intensities[(data>>4)&3]); + bitmap.pix32(y + 1, x) = rgb_t(0, gameking3_intensities[(data>>6)&3], 0); + break; + + case 2: + bitmap.pix32(y, x + 3) = rgb_t(gameking3_intensities[data&3], 0, 0); + bitmap.pix32(y + 1, x+2) = rgb_t(0, 0, gameking3_intensities[(data>>2)&3]); + bitmap.pix32(y, x + 1) = rgb_t(gameking3_intensities[(data>>4)&3], 0, 0); + bitmap.pix32(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.pix32(y, x - 1)); + rgb_t r = rgb_t(x == 159 ? 0 : bitmap.pix32(y, x + 1)); + rgb_t u = rgb_t(y == 0 ? 0 : bitmap.pix32(y - 1, x)); + rgb_t d = rgb_t(y == 159 ? 0 : bitmap.pix32(y + 1, x)); + + bitmap.pix32(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)); @@ -162,7 +239,7 @@ void gameking_state::init_gameking() TIMER_CALLBACK_MEMBER(gameking_state::gameking_timer) { m_maincpu->set_state_int(st2xxx_device::ST_IREQ, - m_maincpu->state_int(st2xxx_device::ST_IREQ) | (0x016 & m_maincpu->state_int(st2xxx_device::ST_IENA))); + m_maincpu->state_int(st2xxx_device::ST_IREQ) | (0x012 & m_maincpu->state_int(st2xxx_device::ST_IENA))); timer1->enable(false); timer2->enable(true); timer2->reset(m_maincpu->cycles_to_attotime(10/*?*/)); @@ -180,7 +257,7 @@ DEVICE_IMAGE_LOAD_MEMBER(gameking_state::cart_load) { uint32_t size = m_cart->common_get_size("rom"); - if (size > 0x80000) + if (size > 0x100000) { image.seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size"); return image_init_result::FAIL; @@ -234,7 +311,18 @@ void gameking_state::gameking1(machine_config &config) 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_palette(finder_base::DUMMY_TAG); + config.device_remove("palette"); + SOFTWARE_LIST(config, "cart_list").set_original("gameking"); SOFTWARE_LIST(config, "cart_list_3").set_original("gameking3"); } @@ -253,6 +341,6 @@ ROM_END CONS( 2003, gameking, 0, 0, gameking1, gameking, gameking_state, init_gameking, "TimeTop", "GameKing GM-218", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) // the GameKing 2 (GM-219) is probably identical HW -CONS( 2003, gamekin3, 0, 0, gameking3, gameking, gameking_state, init_gameking, "TimeTop", "GameKing 3", MACHINE_NOT_WORKING | MACHINE_NO_SOUND ) +CONS( 2003, gamekin3, 0, 0, gameking3, gameking3, gameking_state, init_gameking, "TimeTop", "GameKing 3", MACHINE_NOT_WORKING | MACHINE_NO_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 |