/********************************************************************************** DRAW 80 POKER Driver by Jim Stolis. --- Technical Notes --- Name: Draw 80 Poker Company: IGT - International Gaming Technology Year: 1982 Hardware: CPU = INTEL 8039 ; I8039 compatible VIDEO = SYS 6545 ; CRTC6845 compatible SND = AY-3-8912 ; AY8910 compatible History: This is one of the first video machines produced by IGT. Originally, the company was called SIRCOMA and was founded in 1979. It became a public company in 1981 and changed its name to IGT. ***********************************************************************************/ #include "emu.h" #include "machine/nvram.h" #include "sound/ay8910.h" #include "cpu/mcs48/mcs48.h" class drw80pkr_state : public driver_device { public: drw80pkr_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag) { } tilemap_t *m_bg_tilemap; UINT8 m_t0; UINT8 m_t1; UINT8 m_p0; UINT8 m_p1; UINT8 m_p2; UINT8 m_prog; UINT8 m_bus; UINT8 m_attract_mode; UINT8 m_active_bank; UINT8 m_pkr_io_ram[0x100]; UINT16 m_video_ram[0x0400]; UINT8 m_color_ram[0x0400]; DECLARE_WRITE8_MEMBER(t0_w); DECLARE_WRITE8_MEMBER(t1_w); DECLARE_WRITE8_MEMBER(p0_w); DECLARE_WRITE8_MEMBER(p1_w); DECLARE_WRITE8_MEMBER(p2_w); DECLARE_WRITE8_MEMBER(prog_w); DECLARE_WRITE8_MEMBER(bus_w); DECLARE_WRITE8_MEMBER(drw80pkr_io_w); DECLARE_READ8_MEMBER(t0_r); DECLARE_READ8_MEMBER(t1_r); DECLARE_READ8_MEMBER(p0_r); DECLARE_READ8_MEMBER(p1_r); DECLARE_READ8_MEMBER(p2_r); DECLARE_READ8_MEMBER(bus_r); DECLARE_READ8_MEMBER(drw80pkr_io_r); DECLARE_DRIVER_INIT(drw80pkr); TILE_GET_INFO_MEMBER(get_bg_tile_info); virtual void machine_start(); virtual void video_start(); virtual void palette_init(); UINT32 screen_update_drw80pkr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); }; #define CPU_CLOCK XTAL_8MHz #define DATA_NVRAM_SIZE 0x100 void drw80pkr_state::machine_start() { machine().device("nvram")->set_base(m_pkr_io_ram, sizeof(m_pkr_io_ram)); } /***************** * Write Handlers * ******************/ WRITE8_MEMBER(drw80pkr_state::t0_w) { m_t0 = data; } WRITE8_MEMBER(drw80pkr_state::t1_w) { m_t1 = data; } WRITE8_MEMBER(drw80pkr_state::p0_w) { m_p0 = data; } WRITE8_MEMBER(drw80pkr_state::p1_w) { m_p1 = data; } WRITE8_MEMBER(drw80pkr_state::p2_w) { m_p2 = data; } WRITE8_MEMBER(drw80pkr_state::prog_w) { m_prog = data; // Bankswitch Program Memory if (m_prog == 0x01) { m_active_bank = m_active_bank ^ 0x01; membank("bank1")->set_entry(m_active_bank); } } WRITE8_MEMBER(drw80pkr_state::bus_w) { m_bus = data; } WRITE8_MEMBER(drw80pkr_state::drw80pkr_io_w) { UINT16 n_offs; if (m_p2 == 0x3f || m_p2 == 0x7f) { n_offs = ((m_p1 & 0xc0) << 2 ) + offset; if (m_p2 == 0x3f) { m_video_ram[n_offs] = data; // low address } else { m_color_ram[n_offs] = data & 0x0f; // color palette m_video_ram[n_offs] += ((data & 0xf0) << 4 ); // high address } m_bg_tilemap->mark_tile_dirty(n_offs); } if (m_p2 == 0xc7) { // CRTC Register // R0 = 0x1f(31) Horizontal Total // R1 = 0x18(24) Horizontal Displayed // R2 = 0x1a(26) Horizontal Sync Position // R3 = 0x34(52) HSYNC/VSYNC Widths // R4 = 0x1f(31) Vertical Total // R5 = 0x01(01) Vertical Total Adjust // R6 = 0x1b(27) Vertical Displayed // R7 = 0x1c(28) Vertical Sync Position // R8 = 0x10 Mode Control // Non-interlace // Straight Binary - Ram Addressing // Shared Memory - Ram Access // Delay Display Enable one character time // No Delay Cursor Skew // R9 = 0x07(07) Scan Line // R10 = 0x00 Cursor Start // R11 = 0x00 Cursor End // R12 = 0x00 Display Start Address (High) // R13 = 0x00 Display Start Address (Low) } if (m_p2 == 0xd7) { // CRTC Address } if (m_p2 == 0xfb) { m_pkr_io_ram[offset] = data; } if (m_p2 == 0xff) { if (m_p1 == 0xdf) { m_attract_mode = data; // Latch this for use in input reads (0x01 = attract mode, 0x00 = game in progress) } if (m_p1 == 0xdb || m_p1 == 0xef || m_p1 == 0xf7 || m_p1 == 0xfb) { // unknown, most likely lamps, meters, hopper etc. } // ay8910 control port if (m_p1 == 0xfc) ay8910_address_w(machine().device("aysnd"), space, 0, data); // ay8910_write_port_0_w if (m_p1 == 0xfe) ay8910_data_w(machine().device("aysnd"), space, 0, data); } } /**************** * Read Handlers * ****************/ READ8_MEMBER(drw80pkr_state::t0_r) { return m_t0; } READ8_MEMBER(drw80pkr_state::t1_r) { return m_t1; } READ8_MEMBER(drw80pkr_state::p0_r) { return m_p0; } READ8_MEMBER(drw80pkr_state::p1_r) { return m_p1; } READ8_MEMBER(drw80pkr_state::p2_r) { return m_p2; } READ8_MEMBER(drw80pkr_state::bus_r) { return m_bus; } READ8_MEMBER(drw80pkr_state::drw80pkr_io_r) { UINT8 ret; UINT16 kbdin; ret = 0x00; if (m_p2 == 0x3b) { // unknown } if (m_p2 == 0x7b) { ret = m_pkr_io_ram[offset]; } if (m_p2 == 0xf7) { // unknown } if (m_p2 == 0xfb) { ret = m_pkr_io_ram[offset]; } if (m_p2 == 0xff) { if (m_p1 == 0x5f || m_p1 == 0x9f || m_p1 == 0xdb) { // unknown } if (m_p1 == 0xfe) { // Dip switches tied to sound chip // // TODO: Unknown switch positions, but found the following flipping bits: // SW.? = Double Up Option // SW.? = Coin Denomination // SW.4 = Payout Type (0=cash, 1=credit) // SW.? = Use Joker in Deck // ret = 0x77; // double-up with credit payout } if ((m_attract_mode == 0x01 && m_p1 == 0xef) || m_p1 == 0xf7) { // TODO: Get Input Port Values kbdin = ((ioport("IN1")->read() & 0xaf ) << 8) + ioport("IN0")->read(); switch (kbdin) { // The following is very incorrect, but does allow you to // play slightly with very messed up hold buttons etc. // // Open/Close the door with 'O' // Press '5' (twice) with door open to play credit // Press '1' to draw/deal // case 0x0000: ret = 0x00; break; case 0x0001: ret = 0x01; break; /* Door */ case 0x4000: ret = 0x00; break; case 0x8000: ret = 0x00; break; /* Hand Pay */ case 0x0002: ret = 0x00; break; /* Books */ case 0x0004: ret = 0x0e; break; /* Coin In */ case 0x0008: ret = 0x0d; break; /* Start */ case 0x0010: ret = 0x00; break; /* Discard */ case 0x0020: ret = 0x00; break; /* Cancel */ case 0x0040: ret = 0x01; break; /* Hold 1 */ case 0x0080: ret = 0x02; break; /* Hold 2 */ case 0x0100: ret = 0x03; break; /* Hold 3 */ case 0x0200: ret = 0x04; break; /* Hold 4 */ case 0x0400: ret = 0x05; break; /* Hold 5 */ case 0x0800: ret = 0x00; break; /* Bet */ } } } return ret; } /**************************** * Video/Character functions * ****************************/ TILE_GET_INFO_MEMBER(drw80pkr_state::get_bg_tile_info) { int color = m_color_ram[tile_index]; int code = m_video_ram[tile_index]; SET_TILE_INFO_MEMBER(0, code, color, 0); } void drw80pkr_state::video_start() { m_bg_tilemap = &machine().tilemap().create(tilemap_get_info_delegate(FUNC(drw80pkr_state::get_bg_tile_info),this), TILEMAP_SCAN_ROWS, 8, 8, 24, 27); } UINT32 drw80pkr_state::screen_update_drw80pkr(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect) { m_bg_tilemap->draw(bitmap, cliprect, 0, 0); return 0; } void drw80pkr_state::palette_init() { const UINT8 *color_prom = machine().root_device().memregion("proms")->base(); int j; for (j = 0; j < machine().total_colors(); j++) { int r, g, b, tr, tg, tb, i; i = (color_prom[j] >> 3) & 0x01; //i = color_prom[j]; /* red component */ tr = 0xf0 - (0xf0 * ((color_prom[j] >> 0) & 0x01)); r = tr - (i * (tr / 5)); /* green component */ tg = 0xf0 - (0xf0 * ((color_prom[j] >> 1) & 0x01)); g = tg - (i * (tg / 5)); /* blue component */ tb = 0xf0 - (0xf0 * ((color_prom[j] >> 2) & 0x01)); b = tb - (i * (tb / 5)); palette_set_color(machine(), j, MAKE_RGB(r, g, b)); } } /************************* * Graphics Layouts * *************************/ static const gfx_layout charlayout = { 8,8, /* 8x8 characters */ RGN_FRAC(1,2), /* 512 characters */ 2, /* 2 bitplanes */ { 0, RGN_FRAC(1,2) }, { STEP8(0,1) }, { STEP8(0,8) }, 8*8 }; /****************************** * Graphics Decode Information * ******************************/ static GFXDECODE_START( drw80pkr ) GFXDECODE_ENTRY( "gfx1", 0x00000, charlayout, 0, 16 ) GFXDECODE_END /************** * Driver Init * ***************/ DRIVER_INIT_MEMBER(drw80pkr_state,drw80pkr) { machine().root_device().membank("bank1")->configure_entries(0, 2, machine().root_device().memregion("maincpu")->base(), 0x1000); } /************************* * Memory map information * *************************/ static ADDRESS_MAP_START( drw80pkr_map, AS_PROGRAM, 8, drw80pkr_state ) AM_RANGE(0x0000, 0x1fff) AM_ROMBANK("bank1") ADDRESS_MAP_END static ADDRESS_MAP_START( drw80pkr_io_map, AS_IO, 8, drw80pkr_state ) AM_RANGE(0x00, 0xff) AM_READWRITE(drw80pkr_io_r, drw80pkr_io_w) AM_RANGE(MCS48_PORT_T0, MCS48_PORT_T0) AM_READWRITE(t0_r, t0_w) AM_RANGE(MCS48_PORT_T1, MCS48_PORT_T1) AM_READWRITE(t1_r, t1_w) AM_RANGE(MCS48_PORT_P0, MCS48_PORT_P0) AM_READWRITE(p0_r, p0_w) AM_RANGE(MCS48_PORT_P1, MCS48_PORT_P1) AM_READWRITE(p1_r, p1_w) AM_RANGE(MCS48_PORT_P2, MCS48_PORT_P2) AM_READWRITE(p2_r, p2_w) AM_RANGE(MCS48_PORT_PROG, MCS48_PORT_PROG) AM_RAM_WRITE(prog_w) AM_RANGE(MCS48_PORT_BUS, MCS48_PORT_BUS) AM_READWRITE(bus_r, bus_w) ADDRESS_MAP_END /************************* * Input ports * *************************/ static INPUT_PORTS_START( drw80pkr ) // Unknown at this time // These are temporary buttons for testing only PORT_START("IN0") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_GAMBLE_DOOR ) PORT_TOGGLE PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_GAMBLE_BOOK ) PORT_NAME("Books") PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_COIN1 ) PORT_IMPULSE(2) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_START1 ) PORT_NAME("Start") PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER ) PORT_NAME("Discard") PORT_CODE(KEYCODE_2) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_POKER_CANCEL ) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_POKER_HOLD1 ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_POKER_HOLD2 ) PORT_START("IN1") PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_POKER_HOLD3 ) PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_POKER_HOLD4 ) PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_POKER_HOLD5 ) PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OTHER) PORT_NAME("Hopper") PORT_TOGGLE PORT_CODE(KEYCODE_H) PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_GAMBLE_PAYOUT) PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_UNUSED ) PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_UNUSED ) INPUT_PORTS_END /************************* * Machine Driver * *************************/ static MACHINE_CONFIG_START( drw80pkr, drw80pkr_state ) // basic machine hardware MCFG_CPU_ADD("maincpu", I8039, CPU_CLOCK) MCFG_CPU_PROGRAM_MAP(drw80pkr_map) MCFG_CPU_IO_MAP(drw80pkr_io_map) MCFG_CPU_VBLANK_INT_DRIVER("screen", drw80pkr_state, irq0_line_hold) // video hardware MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_REFRESH_RATE(60) MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0)) MCFG_SCREEN_SIZE((31+1)*8, (31+1)*8) MCFG_SCREEN_VISIBLE_AREA(0*8, 24*8-1, 0*8, 27*8-1) MCFG_SCREEN_UPDATE_DRIVER(drw80pkr_state, screen_update_drw80pkr) MCFG_GFXDECODE(drw80pkr) MCFG_PALETTE_LENGTH(16*16) MCFG_NVRAM_ADD_0FILL("nvram") // sound hardware MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SOUND_ADD("aysnd", AY8912, 20000000/12) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.75) MACHINE_CONFIG_END /************************* * Rom Load * *************************/ ROM_START( drw80pkr ) ROM_REGION( 0x2000, "maincpu", 0 ) ROM_LOAD( "pm0.u81", 0x0000, 0x1000, CRC(73223555) SHA1(229999ec00a1353f0d4928c65c8975079060c5af) ) ROM_LOAD( "pm1.u82", 0x1000, 0x1000, CRC(f8158f2b) SHA1(da3b30cfd49cd0e8a48d78fd3f82b2b4ab33670c) ) ROM_REGION( 0x002000, "gfx1", 0 ) ROM_LOAD( "cg0-a.u74", 0x0000, 0x1000, CRC(0eefe598) SHA1(ed10aac345b10e35fb15babdd3ac30ebe2b8fc0f) ) ROM_LOAD( "cg1-a.u76", 0x1000, 0x1000, CRC(522a96d0) SHA1(48f855a132413493353fbf6a44a1feb34ae6726d) ) ROM_REGION( 0x100, "proms", 0 ) ROM_LOAD( "cap13.u92", 0x0000, 0x0100, CRC(be67a8d9) SHA1(24b8cd19a5ec09779a737f6fc8c07b44f1226c8f) ) ROM_END ROM_START( drw80pk2 ) ROM_REGION( 0x2000, "maincpu", 0 ) ROM_LOAD( "pm0.u81", 0x0000, 0x1000, CRC(0f3e97d2) SHA1(aa9e4015246284f32435d7320de667e075412e5b) ) ROM_LOAD( "pm1.u82", 0x1000, 0x1000, CRC(5a6ad467) SHA1(0128bd70b65244a0f68031d5f451bf115eeb7609) ) ROM_REGION( 0x002000, "gfx1", 0 ) ROM_LOAD( "cg0-a.u74", 0x0000, 0x1000, CRC(97f5eb92) SHA1(f6c7bb42ccef8a78e8d56104ad942ae5b8e5b0df) ) ROM_LOAD( "cg1-a.u76", 0x1000, 0x1000, CRC(2a3a750d) SHA1(db6183d11b2865b011c3748dc472cf5858dde78f) ) ROM_REGION( 0x100, "proms", 0 ) ROM_LOAD( "cap13.u92", 0x0000, 0x0100, CRC(be67a8d9) SHA1(24b8cd19a5ec09779a737f6fc8c07b44f1226c8f) ) ROM_END /************************* * Game Drivers * *************************/ /* YEAR NAME PARENT MACHINE INPUT INIT ROT COMPANY FULLNAME FLAGS */ GAME( 1982, drw80pkr, 0, drw80pkr, drw80pkr, drw80pkr_state, drw80pkr, ROT0, "IGT - International Gaming Technology", "Draw 80 Poker", GAME_NOT_WORKING ) GAME( 1983, drw80pk2, 0, drw80pkr, drw80pkr, drw80pkr_state, drw80pkr, ROT0, "IGT - International Gaming Technology", "Draw 80 Poker - Minn", GAME_NOT_WORKING )