diff options
Diffstat (limited to 'src/mame/drivers/citycon.cpp')
-rw-r--r-- | src/mame/drivers/citycon.cpp | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/src/mame/drivers/citycon.cpp b/src/mame/drivers/citycon.cpp deleted file mode 100644 index 47ea952a56e..00000000000 --- a/src/mame/drivers/citycon.cpp +++ /dev/null @@ -1,369 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Mirko Buffoni -/*************************************************************************** - -City Connection (c) 1985 Jaleco - -2008-07 -Dip locations added from dip listing at crazykong.com - -***************************************************************************/ - -#include "emu.h" -#include "includes/citycon.h" - -#include "cpu/m6809/m6809.h" -#include "machine/gen_latch.h" -#include "sound/ay8910.h" -#include "sound/2203intf.h" -#include "screen.h" -#include "speaker.h" - -#define MASTER_CLOCK (20_MHz_XTAL) -#define PIXEL_CLOCK (MASTER_CLOCK/4) // guess -#define CPU_CLOCK (8_MHz_XTAL) - -/* also a guess, need to extract PAL equations to get further answers */ -#define HTOTAL (320) -#define HBEND (8) -#define HBSTART (248) -#define VTOTAL (262) -#define VBEND (16) -#define VBSTART (240) - -READ8_MEMBER(citycon_state::citycon_in_r) -{ - return ioport(flip_screen() ? "P2" : "P1")->read(); -} - -READ8_MEMBER(citycon_state::citycon_irq_ack_r) -{ - m_maincpu->set_input_line(0, CLEAR_LINE); - - return 0; -} - -void citycon_state::citycon_map(address_map &map) -{ - map(0x0000, 0x0fff).ram(); - map(0x1000, 0x1fff).ram().w(FUNC(citycon_state::citycon_videoram_w)).share("videoram"); - map(0x2000, 0x20ff).ram().w(FUNC(citycon_state::citycon_linecolor_w)).share("linecolor").mirror(0x0700); - map(0x2800, 0x28ff).ram().share("spriteram").mirror(0x0700); //0x2900-0x2fff cleared at post but unused - map(0x3000, 0x3000).r(FUNC(citycon_state::citycon_in_r)).w(FUNC(citycon_state::citycon_background_w)); /* player 1 & 2 inputs multiplexed */ - map(0x3001, 0x3001).portr("DSW1").w("soundlatch", FUNC(generic_latch_8_device::write)); - map(0x3002, 0x3002).portr("DSW2").w("soundlatch2", FUNC(generic_latch_8_device::write)); - map(0x3004, 0x3005).nopr().writeonly().share("scroll"); - map(0x3007, 0x3007).r(FUNC(citycon_state::citycon_irq_ack_r)); - map(0x3800, 0x3cff).ram().w(m_palette, FUNC(palette_device::write8)).share("palette"); - map(0x4000, 0xffff).rom(); -} - -void citycon_state::sound_map(address_map &map) -{ - map(0x0000, 0x0fff).ram(); - map(0x4000, 0x4001).w("aysnd", FUNC(ay8910_device::address_data_w)); - map(0x4002, 0x4002).r("aysnd", FUNC(ay8910_device::data_r)); - map(0x6000, 0x6001).rw("ymsnd", FUNC(ym2203_device::read), FUNC(ym2203_device::write)); - map(0x8000, 0xffff).rom(); -} - - - -static INPUT_PORTS_START( citycon ) - PORT_START("P1") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 ) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 ) - - PORT_START("P2") - PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_COCKTAIL - PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_COCKTAIL - PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY PORT_COCKTAIL - PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY PORT_COCKTAIL - PORT_BIT( 0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_COCKTAIL - PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_COCKTAIL - PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_UNUSED ) - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED ) - - PORT_START("DSW1") - PORT_DIPNAME( 0x03, 0x00, DEF_STR( Lives ) ) PORT_DIPLOCATION("SW1:1,2") - PORT_DIPSETTING( 0x00, "3" ) - PORT_DIPSETTING( 0x01, "4" ) - PORT_DIPSETTING( 0x02, "5" ) - PORT_DIPSETTING( 0x03, "Infinite (Cheat)") - PORT_DIPUNKNOWN_DIPLOC( 0x04, 0x00, "SW1:3" ) - PORT_DIPUNKNOWN_DIPLOC( 0x08, 0x00, "SW1:4" ) - PORT_DIPUNKNOWN_DIPLOC( 0x10, 0x00, "SW1:5" ) - PORT_DIPNAME( 0x20, 0x00, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW1:6") - PORT_DIPSETTING( 0x20, DEF_STR( Off ) ) - PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPNAME( 0x40, 0x00, DEF_STR( Cabinet ) ) PORT_DIPLOCATION("SW1:7") - PORT_DIPSETTING( 0x00, DEF_STR( Upright ) ) - PORT_DIPSETTING( 0x40, DEF_STR( Cocktail ) ) - /* the coin input must stay low for exactly 2 frames to be consistently recognized. */ - PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(2) - - PORT_START("DSW2") - PORT_DIPNAME( 0x07, 0x00, DEF_STR( Coinage ) ) PORT_DIPLOCATION("SW2:1,2,3") - PORT_DIPSETTING( 0x07, DEF_STR( 5C_1C ) ) - PORT_DIPSETTING( 0x06, DEF_STR( 4C_1C ) ) - PORT_DIPSETTING( 0x05, DEF_STR( 3C_1C ) ) - PORT_DIPSETTING( 0x04, DEF_STR( 2C_1C ) ) - PORT_DIPSETTING( 0x00, DEF_STR( 1C_1C ) ) - PORT_DIPSETTING( 0x01, DEF_STR( 1C_2C ) ) - PORT_DIPSETTING( 0x02, DEF_STR( 1C_3C ) ) - PORT_DIPSETTING( 0x03, DEF_STR( 1C_4C ) ) - PORT_DIPNAME( 0x08, 0x00, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW2:4") - PORT_DIPSETTING( 0x00, DEF_STR( Easy ) ) - PORT_DIPSETTING( 0x08, DEF_STR( Hard ) ) - PORT_DIPUNKNOWN_DIPLOC( 0x10, 0x00, "SW2:5" ) - PORT_DIPUNKNOWN_DIPLOC( 0x20, 0x00, "SW2:6" ) - PORT_DIPUNKNOWN_DIPLOC( 0x40, 0x00, "SW2:7" ) - /* According to manual this is Flip Screen setting */ -// PORT_DIPNAME( 0x80, 0x80, DEF_STR( Flip Screen ) ) PORT_DIPLOCATION("SW2:8") -// PORT_DIPSETTING( 0x80, DEF_STR( Off ) ) -// PORT_DIPSETTING( 0x00, DEF_STR( On ) ) - PORT_DIPUNKNOWN_DIPLOC( 0x80, 0x80, "SW2:8" ) -INPUT_PORTS_END - - - -static const gfx_layout charlayout = -{ - 8,8, - RGN_FRAC(1,2), - 5, - { 16, 12, 8, 4, 0 }, - { 0, 1, 2, 3, RGN_FRAC(1,2)+0, RGN_FRAC(1,2)+1, RGN_FRAC(1,2)+2, RGN_FRAC(1,2)+3 }, - { 0*24, 1*24, 2*24, 3*24, 4*24, 5*24, 6*24, 7*24 }, - 24*8 -}; - -static const gfx_layout tilelayout = -{ - 8,8, /* 8*8 characters */ - 256, /* 256 characters */ - 4, /* 4 bits per pixel */ - { 4, 0, 0xc000*8+4, 0xc000*8+0 }, - { 0, 1, 2, 3, 256*8*8+0, 256*8*8+1, 256*8*8+2, 256*8*8+3 }, - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 }, - 8*8 /* every char takes 8 consecutive bytes */ -}; - -static const gfx_layout spritelayout = -{ - 8,16, /* 8*16 sprites */ - 128, /* 128 sprites */ - 4, /* 4 bits per pixel */ - { 4, 0, 0x2000*8+4, 0x2000*8+0 }, - { 0, 1, 2, 3, 128*16*8+0, 128*16*8+1, 128*16*8+2, 128*16*8+3 }, - { 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8, - 8*8, 9*8, 10*8, 11*8, 12*8, 13*8, 14*8, 15*8 }, - 16*8 /* every sprite takes 16 consecutive bytes */ -}; - - -static GFXDECODE_START( gfx_citycon ) -// GFXDECODE_ENTRY( "gfx1", 0x00000, charlayout, 512, 32 ) /* colors 512-639 */ - GFXDECODE_ENTRY( "gfx1", 0x00000, charlayout, 640, 32 ) /* colors 512-639 */ - GFXDECODE_ENTRY( "gfx2", 0x00000, spritelayout, 0, 16 ) /* colors 0-255 */ - GFXDECODE_ENTRY( "gfx2", 0x01000, spritelayout, 0, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x00000, tilelayout, 256, 16 ) /* colors 256-511 */ - GFXDECODE_ENTRY( "gfx3", 0x01000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x02000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x03000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x04000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x05000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x06000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x07000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x08000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x09000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x0a000, tilelayout, 256, 16 ) - GFXDECODE_ENTRY( "gfx3", 0x0b000, tilelayout, 256, 16 ) -GFXDECODE_END - -void citycon_state::machine_start() -{ - save_item(NAME(m_bg_image)); -} - -void citycon_state::machine_reset() -{ - m_bg_image = 0; -} - - -void citycon_state::citycon(machine_config &config) -{ - /* basic machine hardware */ - MC6809(config, m_maincpu, CPU_CLOCK); // HD68B09P - m_maincpu->set_addrmap(AS_PROGRAM, &citycon_state::citycon_map); - m_maincpu->set_vblank_int("screen", FUNC(citycon_state::irq0_line_assert)); - - mc6809e_device &audiocpu(MC6809E(config, "audiocpu", MASTER_CLOCK / 32)); // schematics allow for either a 6809 or 6809E; HD68A09EP found on one actual PCB - audiocpu.set_addrmap(AS_PROGRAM, &citycon_state::sound_map); - audiocpu.set_vblank_int("screen", FUNC(citycon_state::irq0_line_hold)); // actually unused, probably it was during development - - /* video hardware */ - screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER)); - screen.set_raw(PIXEL_CLOCK, HTOTAL, HBEND, HBSTART, VTOTAL, VBEND, VBSTART); - screen.set_screen_update(FUNC(citycon_state::screen_update_citycon)); - screen.set_palette(m_palette); - - GFXDECODE(config, m_gfxdecode, m_palette, gfx_citycon); - PALETTE(config, m_palette, palette_device::BLACK).set_format(palette_device::RGBx_444, 640+1024); // 640 real palette + 1024 virtual palette - - /* sound hardware */ - SPEAKER(config, "mono").front_center(); - - GENERIC_LATCH_8(config, "soundlatch"); - GENERIC_LATCH_8(config, "soundlatch2"); - - AY8910(config, "aysnd", MASTER_CLOCK / 16).add_route(ALL_OUTPUTS, "mono", 0.40); // schematics consistently specify AY-3-8910, though YM2149 found on one actual PCB - - ym2203_device &ymsnd(YM2203(config, "ymsnd", MASTER_CLOCK / 16)); - ymsnd.port_a_read_callback().set("soundlatch", FUNC(generic_latch_8_device::read)); - ymsnd.port_b_read_callback().set("soundlatch2", FUNC(generic_latch_8_device::read)); - ymsnd.add_route(0, "mono", 0.40); - ymsnd.add_route(1, "mono", 0.40); - ymsnd.add_route(2, "mono", 0.40); - ymsnd.add_route(3, "mono", 0.20); -} - - - -/*************************************************************************** - - Game driver(s) - -***************************************************************************/ - -ROM_START( citycon ) - ROM_REGION( 0x10000, "maincpu", 0 ) - ROM_LOAD( "c10", 0x4000, 0x4000, CRC(ae88b53c) SHA1(dd12310bd9c9b93462446e8e0a1c853506bf3aa1) ) - ROM_LOAD( "c11", 0x8000, 0x8000, CRC(139eb1aa) SHA1(c570e8ca1499f7ea61938e78c32c1cc3050ca2b7) ) - - ROM_REGION( 0x10000, "audiocpu", 0 ) - ROM_LOAD( "c1", 0x8000, 0x8000, CRC(1fad7589) SHA1(2e626bbbab8cffe11ee7de3e56aa1871c29d5fa9) ) - - ROM_REGION( 0x03000, "gfx1", 0 ) - ROM_LOAD( "c4", 0x00000, 0x2000, CRC(a6b32fc6) SHA1(d99d5a527440e9a91525c1084b95b213e3b760ec) ) /* Characters */ - - ROM_REGION( 0x04000, "gfx2", 0 ) - ROM_LOAD( "c12", 0x00000, 0x2000, CRC(08eaaccd) SHA1(a970381e3ba22bcdea6df2d31cd8a10c4b2bc413) ) /* Sprites */ - ROM_LOAD( "c13", 0x02000, 0x2000, CRC(1819aafb) SHA1(8a5ffcd8866e09c5568879257384767d61796111) ) - - ROM_REGION( 0x18000, "gfx3", 0 ) - ROM_LOAD( "c9", 0x00000, 0x8000, CRC(8aeb47e6) SHA1(bb09dbe6b37e1bd02abf3024ac4d954c8f0e70f2) ) /* Background tiles */ - ROM_LOAD( "c8", 0x08000, 0x4000, CRC(0d7a1eeb) SHA1(60b8d4124ce857a248d3c41fdb050f11be58549f) ) - ROM_LOAD( "c6", 0x0c000, 0x8000, CRC(2246fe9d) SHA1(f7f8708d499bcbd1a583e1092b54425ad1105f94) ) - ROM_LOAD( "c7", 0x14000, 0x4000, CRC(e8b97de9) SHA1(f4d1b7075f47ab4522c36281b97eaa02fe383814) ) - - ROM_REGION( 0xe000, "gfx4", 0 ) /* background tilemaps */ - ROM_LOAD( "c2", 0x0000, 0x8000, CRC(f2da4f23) SHA1(5ea1a51c3ac283796f7eafb6719d88356767340d) ) /* background maps */ - ROM_LOAD( "c3", 0x8000, 0x4000, CRC(7ef3ac1b) SHA1(8a0497c4e4733f9c50d576f632210b82497a5e1c) ) - ROM_LOAD( "c5", 0xc000, 0x2000, CRC(c03d8b1b) SHA1(641c1eba334d36ea64b9293a20320b31c7c88858) ) /* color codes for the background */ -ROM_END - -ROM_START( citycona ) - ROM_REGION( 0x10000, "maincpu", 0 ) - ROM_LOAD( "c10", 0x4000, 0x4000, CRC(ae88b53c) SHA1(dd12310bd9c9b93462446e8e0a1c853506bf3aa1) ) - ROM_LOAD( "c11b", 0x8000, 0x8000, CRC(d64af468) SHA1(5bb3541af3ce632e8eca313231205713d72fb9dc) ) - - ROM_REGION( 0x10000, "audiocpu", 0 ) - ROM_LOAD( "c1", 0x8000, 0x8000, CRC(1fad7589) SHA1(2e626bbbab8cffe11ee7de3e56aa1871c29d5fa9) ) - - ROM_REGION( 0x03000, "gfx1", 0 ) - ROM_LOAD( "c4", 0x00000, 0x2000, CRC(a6b32fc6) SHA1(d99d5a527440e9a91525c1084b95b213e3b760ec) ) /* Characters */ - - ROM_REGION( 0x04000, "gfx2", 0 ) - ROM_LOAD( "c12", 0x00000, 0x2000, CRC(08eaaccd) SHA1(a970381e3ba22bcdea6df2d31cd8a10c4b2bc413) ) /* Sprites */ - ROM_LOAD( "c13", 0x02000, 0x2000, CRC(1819aafb) SHA1(8a5ffcd8866e09c5568879257384767d61796111) ) - - ROM_REGION( 0x18000, "gfx3", 0 ) - ROM_LOAD( "c9", 0x00000, 0x8000, CRC(8aeb47e6) SHA1(bb09dbe6b37e1bd02abf3024ac4d954c8f0e70f2) ) /* Background tiles */ - ROM_LOAD( "c8", 0x08000, 0x4000, CRC(0d7a1eeb) SHA1(60b8d4124ce857a248d3c41fdb050f11be58549f) ) - ROM_LOAD( "c6", 0x0c000, 0x8000, CRC(2246fe9d) SHA1(f7f8708d499bcbd1a583e1092b54425ad1105f94) ) - ROM_LOAD( "c7", 0x14000, 0x4000, CRC(e8b97de9) SHA1(f4d1b7075f47ab4522c36281b97eaa02fe383814) ) - - ROM_REGION( 0xe000, "gfx4", 0 ) /* background tilemaps */ - ROM_LOAD( "c2", 0x0000, 0x8000, CRC(f2da4f23) SHA1(5ea1a51c3ac283796f7eafb6719d88356767340d) ) /* background maps */ - ROM_LOAD( "c3", 0x8000, 0x4000, CRC(7ef3ac1b) SHA1(8a0497c4e4733f9c50d576f632210b82497a5e1c) ) - ROM_LOAD( "c5", 0xc000, 0x2000, CRC(c03d8b1b) SHA1(641c1eba334d36ea64b9293a20320b31c7c88858) ) /* color codes for the background */ - - /* stuff below isn't used but loaded because it was on the board .. */ - ROM_REGION( 0x0600, "proms", 0 ) - ROM_LOAD( "citycon_82s123n.n5", 0x0000, 0x0020, CRC(5ae142a3) SHA1(ba25c9bcbc4936a6b7f402addab50b75dbe519ce) ) - ROM_LOAD( "citycon_82s123n.r4", 0x0100, 0x0020, CRC(29221e13) SHA1(232fd02811f157197c7ce44716dc495ed49a80cc) ) - ROM_LOAD( "citycon_82s129.l6", 0x0200, 0x0100, CRC(91a7b6e3) SHA1(6135b264a69978d17aa8636d24eb1eba41d16c89) ) - - // Same PROM content on J10 and L6 sockets - //ROM_LOAD( "citycon_82s129.j10", 0x0300, 0x0100, CRC(91a7b6e3) SHA1(6135b264a69978d17aa8636d24eb1eba41d16c89) ) - - ROM_REGION( 0x0600, "plds", 0 ) - ROM_LOAD( "citycon_pal16l8a.h7", 0x0000, 0x0104, CRC(24a0f5d4) SHA1(69007ccbe1966b1a1d4378fe06e102598c3cdb09) ) - ROM_LOAD( "citycon_pal16l8a.l5", 0x0200, 0x0104, CRC(dd0cf771) SHA1(4483da095ce7633d8e0c90f181a54ace19a6e87d) ) - ROM_LOAD( "citycon_pal16l8a.u7", 0x0400, 0x0104, CRC(08d4ff84) SHA1(10a2b985e0866661c4f0ce4297f728f07540e9b6) ) -ROM_END - -ROM_START( cruisin ) - ROM_REGION( 0x10000, "maincpu", 0 ) - ROM_LOAD( "cr10", 0x4000, 0x4000, CRC(cc7c52f3) SHA1(69d76f146fb1dac62c6def3a4269012b3880f03b) ) - ROM_LOAD( "cr11", 0x8000, 0x8000, CRC(5422f276) SHA1(d384fc4f853fe79b73e939a8fc7b7af780659c5e) ) - - ROM_REGION( 0x10000, "audiocpu", 0 ) - ROM_LOAD( "c1", 0x8000, 0x8000, CRC(1fad7589) SHA1(2e626bbbab8cffe11ee7de3e56aa1871c29d5fa9) ) - - ROM_REGION( 0x03000, "gfx1", 0 ) - ROM_LOAD( "cr4", 0x00000, 0x2000, CRC(8cd0308e) SHA1(7303b9e074bda557d64b39e04cef0f965a756be6) ) /* Characters */ - - ROM_REGION( 0x04000, "gfx2", 0 ) - ROM_LOAD( "c12", 0x00000, 0x2000, CRC(08eaaccd) SHA1(a970381e3ba22bcdea6df2d31cd8a10c4b2bc413) ) /* Sprites */ - ROM_LOAD( "c13", 0x02000, 0x2000, CRC(1819aafb) SHA1(8a5ffcd8866e09c5568879257384767d61796111) ) - - ROM_REGION( 0x18000, "gfx3", 0 ) - ROM_LOAD( "c9", 0x00000, 0x8000, CRC(8aeb47e6) SHA1(bb09dbe6b37e1bd02abf3024ac4d954c8f0e70f2) ) /* Background tiles */ - ROM_LOAD( "c8", 0x08000, 0x4000, CRC(0d7a1eeb) SHA1(60b8d4124ce857a248d3c41fdb050f11be58549f) ) - ROM_LOAD( "c6", 0x0c000, 0x8000, CRC(2246fe9d) SHA1(f7f8708d499bcbd1a583e1092b54425ad1105f94) ) - ROM_LOAD( "c7", 0x14000, 0x4000, CRC(e8b97de9) SHA1(f4d1b7075f47ab4522c36281b97eaa02fe383814) ) - - ROM_REGION( 0xe000, "gfx4", 0 ) /* background tilemaps */ - ROM_LOAD( "c2", 0x0000, 0x8000, CRC(f2da4f23) SHA1(5ea1a51c3ac283796f7eafb6719d88356767340d) ) /* background maps */ - ROM_LOAD( "c3", 0x8000, 0x4000, CRC(7ef3ac1b) SHA1(8a0497c4e4733f9c50d576f632210b82497a5e1c) ) - ROM_LOAD( "c5", 0xc000, 0x2000, CRC(c03d8b1b) SHA1(641c1eba334d36ea64b9293a20320b31c7c88858) ) /* color codes for the background */ -ROM_END - - - -void citycon_state::init_citycon() -{ - uint8_t *rom = memregion("gfx1")->base(); - - /* - City Connection controls the text color code for each _scanline_, not - for each character as happens in most games. To handle that conveniently, - I convert the 2bpp char data into 5bpp, and create a virtual palette so - characters can still be drawn in one pass. - */ - for (int i = 0x0fff; i >= 0; i--) - { - rom[3 * i] = rom[i]; - rom[3 * i + 1] = 0; - rom[3 * i + 2] = 0; - int mask = rom[i] | (rom[i] << 4) | (rom[i] >> 4); - if (i & 0x01) rom[3 * i + 1] |= mask & 0xf0; - if (i & 0x02) rom[3 * i + 1] |= mask & 0x0f; - if (i & 0x04) rom[3 * i + 2] |= mask & 0xf0; - } -} - - - -GAME( 1985, citycon, 0, citycon, citycon, citycon_state, init_citycon, ROT0, "Jaleco", "City Connection (set 1)", MACHINE_SUPPORTS_SAVE ) -GAME( 1985, citycona, citycon, citycon, citycon, citycon_state, init_citycon, ROT0, "Jaleco", "City Connection (set 2)", MACHINE_SUPPORTS_SAVE ) -GAME( 1985, cruisin, citycon, citycon, citycon, citycon_state, init_citycon, ROT0, "Jaleco (Kitkorp license)", "Cruisin", MACHINE_SUPPORTS_SAVE ) |