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Diffstat (limited to 'trunk/src/mame/drivers/dmndrby.c')
-rw-r--r--trunk/src/mame/drivers/dmndrby.c639
1 files changed, 639 insertions, 0 deletions
diff --git a/trunk/src/mame/drivers/dmndrby.c b/trunk/src/mame/drivers/dmndrby.c
new file mode 100644
index 00000000000..098c927f6bb
--- /dev/null
+++ b/trunk/src/mame/drivers/dmndrby.c
@@ -0,0 +1,639 @@
+/*******************************************************************************************
+
+Diamond Derby - G4001 board (c) 1986 Electrocoin
+
+driver by David Haywood,Mike Green & Angelo Salese
+
+Notes:
+-Press Collect Button to "get the money";
+
+TODO:
+-Enters into Service Mode (?) if you let it go in attract mode after some time;
+-Fix remaining graphic issues;
+-Fix colors (check bar test on the first Service Mode menu);
+============================================================================================
+
+G4001
+Diamond Derby - Electrocoin on an SNK board
+
+SWP gambling game base on horse racing
+
+SNK/Electrocoin 1986
+Re-released in 1994 (see dderbya) for changed uk gaming rules.
+
+--------------------------------------------
+G4001UP01
+
+SWA SWB C1 DD1
+ DD2
+
+ 6116 DD4
+ Z80 DD5
+ DD6
+ DD3 6116
+ 8910 Z80 6116 6116
+
+---------------------------------------------
+G4001UP02
+
+DD7 DD11 DD15 K1
+DD8 DD12 DD16 DD19
+DD9 DD13 DD17 DD20
+DD10 DD14 DD18 H5 DD21
+
+
+ DD22
+ DD23
+ 2114 2148 2148
+ 2114 H10
+
+*******************************************************************************************/
+
+#include "emu.h"
+#include "cpu/z80/z80.h"
+#include "sound/ay8910.h"
+#include "machine/nvram.h"
+#include "video/resnet.h"
+
+
+class dmndrby_state : public driver_device
+{
+public:
+ dmndrby_state(const machine_config &mconfig, device_type type, const char *tag)
+ : driver_device(mconfig, type, tag) { }
+
+ UINT8* m_dderby_vidchars;
+ UINT8* m_scroll_ram;
+ UINT8* m_dderby_vidattribs;
+ UINT8* m_sprite_ram;
+ UINT8 *m_racetrack_tilemap_rom;
+ tilemap_t *m_racetrack_tilemap;
+ UINT8 m_io_port[8];
+ int m_bg;
+};
+
+
+static WRITE8_HANDLER( dderby_sound_w )
+{
+ soundlatch_w(space,0,data);
+ cputag_set_input_line(space->machine(), "audiocpu", 0, HOLD_LINE);
+}
+
+
+static READ8_HANDLER( input_r )
+{
+ switch(offset & 7)
+ {
+ case 0: return input_port_read(space->machine(), "IN0");
+ case 1: return input_port_read(space->machine(), "IN1");
+ case 2: return input_port_read(space->machine(), "IN2");
+ case 3: return input_port_read(space->machine(), "IN3");
+ case 4: return input_port_read(space->machine(), "IN4");
+ case 5: return input_port_read(space->machine(), "IN5");
+ case 6: return input_port_read(space->machine(), "IN6");
+ case 7: return input_port_read(space->machine(), "IN7");
+ }
+
+ return 0xff;
+}
+
+static WRITE8_HANDLER( output_w )
+{
+ dmndrby_state *state = space->machine().driver_data<dmndrby_state>();
+ /*
+ ---- x--- refill meter [4]
+ ---- x--- token out meter [5]
+ ---- x--- token in meter [6]
+ ---- x--- cash out meter [7]
+ ---- -x-- coin out (meter) [0-3]
+ ---- -x-- coin lockout token [4]
+ ---- -x-- coin counter (meter) [5]
+ ---- --x- coin lockout [0-3]
+ ---- ---x lamp [0-6]
+ */
+ state->m_io_port[offset] = data;
+// popmessage("%02x|%02x|%02x|%02x|%02x|%02x|%02x|%02x|",state->m_io_port[0],state->m_io_port[1],state->m_io_port[2],state->m_io_port[3],state->m_io_port[4],state->m_io_port[5],state->m_io_port[6],state->m_io_port[7]);
+}
+
+static ADDRESS_MAP_START( memmap, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x5fff) AM_ROM
+ AM_RANGE(0x8000, 0x8fff) AM_RAM AM_SHARE("nvram")
+ AM_RANGE(0xc000, 0xc007) AM_READ(input_r)
+ AM_RANGE(0xc000, 0xc007) AM_WRITE(output_w)
+ AM_RANGE(0xc802, 0xc802) AM_READ_PORT("DSW1")
+ AM_RANGE(0xc803, 0xc803) AM_READ_PORT("DSW2")
+ AM_RANGE(0xca00, 0xca00) AM_WRITENOP//(vblank_irq_w) //???
+ AM_RANGE(0xca01, 0xca01) AM_WRITENOP //watchdog
+ AM_RANGE(0xca02, 0xca02) AM_RAM_WRITE(dderby_sound_w)
+ AM_RANGE(0xca03, 0xca03) AM_WRITENOP//(timer_irq_w) //???
+ AM_RANGE(0xcc00, 0xcc05) AM_RAM AM_BASE_MEMBER(dmndrby_state, m_scroll_ram)
+ AM_RANGE(0xce08, 0xce1f) AM_RAM AM_BASE_MEMBER(dmndrby_state, m_sprite_ram) // horse sprites
+ AM_RANGE(0xd000, 0xd3ff) AM_RAM AM_BASE_MEMBER(dmndrby_state, m_dderby_vidchars) // char ram
+ AM_RANGE(0xd400, 0xd7ff) AM_RAM AM_BASE_MEMBER(dmndrby_state, m_dderby_vidattribs) // colours/ attrib ram
+ADDRESS_MAP_END
+
+static ADDRESS_MAP_START( dderby_sound_map, AS_PROGRAM, 8 )
+ AM_RANGE(0x0000, 0x0fff) AM_ROM
+ AM_RANGE(0x1000, 0x1000) AM_RAM //???
+ AM_RANGE(0x4000, 0x4001) AM_DEVWRITE("ay1", ay8910_address_data_w)
+ AM_RANGE(0x4000, 0x4000) AM_READ(soundlatch_r)
+ AM_RANGE(0x4001, 0x4001) AM_DEVREAD("ay1", ay8910_r)
+ AM_RANGE(0x6000, 0x67ff) AM_RAM
+ADDRESS_MAP_END
+
+static INPUT_PORTS_START( dderby )
+ PORT_START("IN0")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN4 )
+ PORT_DIPNAME( 0x0002, 0x0002, "Out Coin 1" )//out coin 1
+ PORT_DIPSETTING( 0x0002, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("BET Horse 5") PORT_CODE(KEYCODE_B)
+ PORT_BIT( 0xf4, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("IN1")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN3 )
+ PORT_DIPNAME( 0x0002, 0x0002, "Out Coin 2" )//out coin 2
+ PORT_DIPSETTING( 0x0002, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("BET Horse 6") PORT_CODE(KEYCODE_N)
+ PORT_BIT( 0xf4, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("IN2")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN2 )
+ PORT_DIPNAME( 0x0002, 0x0002, "Out Coin 3" )//out coin 3
+ PORT_DIPSETTING( 0x0002, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x0000, DEF_STR( On ) )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_SERVICE1 ) PORT_NAME("Collect") PORT_CODE(KEYCODE_2_PAD) //to get coins
+ PORT_BIT( 0xf4, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("IN3")
+ PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_COIN1 )
+ PORT_BIT( 0xfe, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("IN4")
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SERVICE2 ) PORT_NAME("Refill Key") PORT_CODE(KEYCODE_1_PAD)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("BET Horse 4") PORT_CODE(KEYCODE_V)
+ PORT_BIT( 0xf5, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("IN5")
+ PORT_SERVICE_NO_TOGGLE( 0x02, IP_ACTIVE_LOW )
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("BET Horse 3") PORT_CODE(KEYCODE_C)
+ PORT_BIT( 0xf5, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("IN6")
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_SERVICE3 ) PORT_NAME("Back Door") PORT_CODE(KEYCODE_3_PAD)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("BET Horse 2") PORT_CODE(KEYCODE_X)
+ PORT_BIT( 0xf5, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("IN7")
+ PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_OTHER ) PORT_NAME("Token Coin") PORT_CODE(KEYCODE_0)
+ PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("BET Horse 1") PORT_CODE(KEYCODE_Z)
+ PORT_BIT( 0xf5, IP_ACTIVE_LOW, IPT_UNUSED )
+
+ PORT_START("DSW1")
+ PORT_DIPNAME( 0x01, 0x01, " Unknown 1-1")
+ PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, " Unknown 1-2" )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x06, 0x00, "Max Prize" )
+ PORT_DIPSETTING( 0x06, "240p (cash)" )
+ PORT_DIPSETTING( 0x02, "300p (cash)" )
+ PORT_DIPSETTING( 0x04, "480p (cash + tokens)" )
+ PORT_DIPSETTING( 0x00, "600p (cash + tokens)" )
+ PORT_DIPNAME( 0x30, 0x00, "Percentage Payout" )
+ PORT_DIPSETTING( 0x00, "76%" ) PORT_CONDITION("DSW1", 0xc0, PORTCOND_LESSTHAN, 0x80)
+ PORT_DIPSETTING( 0x10, "80%" ) PORT_CONDITION("DSW1", 0xc0, PORTCOND_LESSTHAN, 0x80)
+ PORT_DIPSETTING( 0x20, "86%" ) PORT_CONDITION("DSW1", 0xc0, PORTCOND_LESSTHAN, 0x80)
+ PORT_DIPSETTING( 0x30, "88%" ) PORT_CONDITION("DSW1", 0xc0, PORTCOND_LESSTHAN, 0x80)
+ PORT_DIPSETTING( 0x00, "78%" ) PORT_CONDITION("DSW1", 0xc0, PORTCOND_NOTLESSTHAN, 0x80)
+ PORT_DIPSETTING( 0x10, "82%" ) PORT_CONDITION("DSW1", 0xc0, PORTCOND_NOTLESSTHAN, 0x80)
+ PORT_DIPSETTING( 0x20, "86%" ) PORT_CONDITION("DSW1", 0xc0, PORTCOND_NOTLESSTHAN, 0x80)
+ PORT_DIPSETTING( 0x30, "90%" ) PORT_CONDITION("DSW1", 0xc0, PORTCOND_NOTLESSTHAN, 0x80)
+ PORT_DIPNAME( 0xc0, 0x80, "Price Per Game" )
+ PORT_DIPSETTING( 0x00, "2p" )
+ PORT_DIPSETTING( 0x40, "5p" )
+ PORT_DIPSETTING( 0x80, "10p" )
+ PORT_DIPSETTING( 0xc0, "20p" )
+
+ PORT_START("DSW2") /* 8bit */
+ PORT_DIPNAME( 0x01, 0x01, "Show Results")
+ PORT_DIPSETTING( 0x01, "Last Race" )
+ PORT_DIPSETTING( 0x00, "Last 6 Races" )
+ PORT_DIPNAME( 0x02, 0x02, " Unknown 2-2" )
+ PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x04, 0x04, " Unknown 2-3" )
+ PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x08, 0x08, " Unknown 2-4" )
+ PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x10, 0x10, " Unknown 2-5")
+ PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x20, 0x20, " Unknown 2-6" )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, " Unknown 2-7" )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, " Unknown 2-8" )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+INPUT_PORTS_END
+
+static INPUT_PORTS_START( dderbya )
+ PORT_INCLUDE( dderby )
+ PORT_MODIFY("DSW1") /* 8bit */
+ PORT_DIPNAME( 0x01, 0x01, "Price Per Play")
+ PORT_DIPSETTING( 0x01, "5p" )
+ PORT_DIPSETTING( 0x00, "10p" )
+ PORT_DIPNAME( 0x06, 0x02, "Max Prize" )
+ PORT_DIPSETTING( 0x00, "400p (cash + tokens)" )
+ PORT_DIPSETTING( 0x04, "300p (cash + tokens)" )
+ PORT_DIPSETTING( 0x02, "200p (cash)" )
+ PORT_DIPSETTING( 0x06, "150p (cash)" )
+ PORT_DIPNAME( 0x18, 0x08, "Percentage" )
+ PORT_DIPSETTING( 0x00, "76%" )
+ PORT_DIPSETTING( 0x08, "80%" )
+ PORT_DIPSETTING( 0x10, "84%" )
+ PORT_DIPSETTING( 0x18, "88%" )
+ PORT_DIPNAME( 0x20, 0x20, " Unknown 1-2" )
+ PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x40, 0x40, " Unknown 1-3" )
+ PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+ PORT_DIPNAME( 0x80, 0x80, " Unknown 1-4" )
+ PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
+ PORT_DIPSETTING( 0x00, DEF_STR( On ) )
+INPUT_PORTS_END
+
+static const gfx_layout tiles8x8_layout =
+{
+ 8,8,
+ RGN_FRAC(1,2),
+ 3,
+ { RGN_FRAC(1,2),4,0 },
+ { 0, 1, 2, 3,8,9,10,11 },
+ { 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16 },
+ 16*8
+};
+
+static const gfx_layout tiles16x16_layout =
+{
+ 16,16, /* 16*16 sprites */
+ RGN_FRAC(1,3), /* 256 sprites */
+ 3, /* 3 bits per pixel */
+ { 0, RGN_FRAC(1,3), RGN_FRAC(2,3) }, // the three bitplanes are separated
+ { 0, 1, 2, 3, 4, 5, 6, 7, 16*8+0, 16*8+1, 16*8+2, 16*8+3, 16*8+4, 16*8+5, 16*8+6, 16*8+7 },
+ { 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 },
+ 32*8 // every sprite takes 32 consecutive bytes
+
+};
+
+static const gfx_layout tiles8x8_layout2 =
+{
+ 8,8, // 8x8 chars
+ RGN_FRAC(1,3),
+ 3,
+ { 0,RGN_FRAC(1,3),RGN_FRAC(2,3) },
+ { 0, 1, 2, 3, 4, 5, 6, 7 },
+ {0*8,1*8,2*8,3*8,4*8,5*8,6*8,7*8},
+ 8*8,
+};
+
+static GFXDECODE_START( dmndrby )
+ GFXDECODE_ENTRY( "gfx1", 0, tiles8x8_layout, 32*16, 32 )
+ GFXDECODE_ENTRY( "gfx2", 0, tiles8x8_layout2, 0, 8)
+ GFXDECODE_ENTRY( "gfx3", 0, tiles16x16_layout, 16*16, 32 )
+GFXDECODE_END
+
+static TILE_GET_INFO( get_dmndrby_tile_info )
+{
+ dmndrby_state *state = machine.driver_data<dmndrby_state>();
+ int code = state->m_racetrack_tilemap_rom[tile_index];
+ int attr = state->m_racetrack_tilemap_rom[tile_index+0x2000];
+
+ int col = attr&0x1f;
+ int flipx = (attr&0x40)>>6;
+
+
+ SET_TILE_INFO(
+ 2,
+ code,
+ col,
+ TILE_FLIPYX(flipx) );
+}
+
+
+static VIDEO_START(dderby)
+{
+ dmndrby_state *state = machine.driver_data<dmndrby_state>();
+ state->m_racetrack_tilemap_rom = machine.region("user1")->base();
+ state->m_racetrack_tilemap = tilemap_create(machine,get_dmndrby_tile_info,tilemap_scan_rows,16,16, 16, 512);
+ tilemap_mark_all_tiles_dirty(state->m_racetrack_tilemap);
+
+}
+
+static SCREEN_UPDATE(dderby)
+{
+ dmndrby_state *state = screen->machine().driver_data<dmndrby_state>();
+ int x,y,count;
+ int off,scrolly;
+ const gfx_element *gfx = screen->machine().gfx[0];
+ const gfx_element *sprites = screen->machine().gfx[1];
+ const gfx_element *track = screen->machine().gfx[2];
+
+ bitmap_fill(bitmap, cliprect, get_black_pen(screen->machine()));
+
+
+/* Draw racetrack
+
+racetrack seems to be stored in 4th and 5th prom.
+can we draw it with the tilemap? maybe not, the layout is a litle strange
+
+*/
+// base = state->m_scroll_ram[0];
+
+ off=0x1900-(state->m_bg*0x100)+(state->m_scroll_ram[1])*0x100;
+ scrolly = 0xff-(state->m_scroll_ram[0]);
+ if(state->m_scroll_ram[1]==0xff) off=0x1800;
+ for(x=0;x<16;x++) {
+ for(y=0;y<16;y++) {
+ int chr = state->m_racetrack_tilemap_rom[off];
+ int col = state->m_racetrack_tilemap_rom[off+0x2000]&0x1f;
+ int flipx = state->m_racetrack_tilemap_rom[off+0x2000]&0x40;
+ drawgfx_opaque(bitmap,cliprect,track,chr,col,flipx,0,y*16+scrolly,x*16);
+ // draw another bit of track
+ // a rubbish way of doing it
+ chr = state->m_racetrack_tilemap_rom[off-0x100];
+ col = state->m_racetrack_tilemap_rom[off+0x1f00]&0x1f;
+ flipx = state->m_racetrack_tilemap_rom[off+0x1f00]&0x40;
+ drawgfx_opaque(bitmap,cliprect,track,chr,col,flipx,0,y*16-256+scrolly,x*16);
+ off++;
+ }
+ }
+
+
+//return 0;
+
+/* draw sprites
+
+ guess work again! seems to work fine and horse labels match up
+wouldnt like to say its the most effective way though...
+ -- maybe they should be decoded as 'big sprites' instead?
+
+*/
+ for (count=5;count>=0;count-- )
+ {
+ int a=0;
+ int b=0;
+ int base = count*4;
+ int sprx=state->m_sprite_ram[base+3];
+ int spry=state->m_sprite_ram[base+2];
+ //state->m_sprite_ram[base+1];
+ int col = (state->m_sprite_ram[base+1]&0x1f);
+ int anim = (state->m_sprite_ram[base]&0x3)*0x40; // animation frame - probably wrong but seems right
+ int horse = (state->m_sprite_ram[base+1]&0x7)*8+7; // horse label from 1 - 6
+
+ for (a=0;a<8 ;a++)
+ {
+ for(b=0;b<7;b++) {
+ drawgfx_transpen(bitmap,cliprect,sprites,anim+a*8+b,col,0,0,sprx+a*8,spry+b*8,0);
+ }
+ }
+ // draw the horse number
+ a=3;
+ b=3;
+ drawgfx_transpen(bitmap,cliprect,sprites,anim+horse,col,0,0,sprx+a*8,spry+b*8,0);
+
+
+ }
+
+ /*TODO: Fix / understand how the transparency works properly. */
+ count=0;
+ for (y=0;y<32;y++)
+ {
+ for(x=0;x<32;x++)
+ {
+ int tileno,bank,color;
+ tileno=state->m_dderby_vidchars[count];
+ bank=(state->m_dderby_vidattribs[count]&0x20)>>5;
+ tileno|=(bank<<8);
+ color=((state->m_dderby_vidattribs[count])&0x1f);
+
+ drawgfx_transpen(bitmap,cliprect,gfx,tileno,color,0,0,x*8,y*8,(tileno == 0x38) ? 0 : -1);
+
+ count++;
+ }
+ }
+
+
+ return 0;
+}
+
+// copied from elsewhere. surely incorrect
+static PALETTE_INIT( dmnderby )
+{
+ static const int resistances_rg[3] = { 1000, 470, 220 };
+ static const int resistances_b [2] = { 470, 220 };
+ double rweights[3], gweights[3], bweights[2];
+ int i;
+
+ /* compute the color output resistor weights */
+ compute_resistor_weights(0, 255, -1.0,
+ 3, &resistances_rg[0], rweights, 470, 0,
+ 3, &resistances_rg[0], gweights, 470, 0,
+ 2, &resistances_b[0], bweights, 470, 0);
+
+ /* allocate the colortable */
+ machine.colortable = colortable_alloc(machine, 0x20);
+
+ /* create a lookup table for the palette */
+ for (i = 0; i < 0x20; i++)
+ {
+ int bit0, bit1, bit2;
+ int r, g, b;
+
+ /* red component */
+ bit0 = (color_prom[i] >> 0) & 0x01;
+ bit1 = (color_prom[i] >> 1) & 0x01;
+ bit2 = (color_prom[i] >> 2) & 0x01;
+ r = combine_3_weights(rweights, bit0, bit1, bit2);
+
+ /* green component */
+ bit0 = (color_prom[i] >> 3) & 0x01;
+ bit1 = (color_prom[i] >> 4) & 0x01;
+ bit2 = (color_prom[i] >> 5) & 0x01;
+ g = combine_3_weights(gweights, bit0, bit1, bit2);
+
+ /* blue component */
+ bit0 = (color_prom[i] >> 6) & 0x01;
+ bit1 = (color_prom[i] >> 7) & 0x01;
+ b = combine_2_weights(bweights, bit0, bit1);
+
+ colortable_palette_set_color(machine.colortable, i, MAKE_RGB(r, g, b));
+ }
+
+ /* color_prom now points to the beginning of the lookup table */
+ color_prom = machine.region("proms2")->base();
+
+ /* normal tiles use colors 0-15 */
+ for (i = 0x000; i < 0x300; i++)
+ {
+ UINT8 ctabentry = color_prom[i];
+ colortable_entry_set_value(machine.colortable, i, ctabentry);
+ }
+}
+
+/*Main Z80 is IM 0,HW-latched irqs. */
+static INTERRUPT_GEN( dderby_irq )
+{
+ cputag_set_input_line_and_vector(device->machine(), "maincpu", 0, HOLD_LINE, 0xd7); /* RST 10h */
+}
+
+static INTERRUPT_GEN( dderby_timer_irq )
+{
+ cputag_set_input_line_and_vector(device->machine(), "maincpu", 0, HOLD_LINE, 0xcf); /* RST 08h */
+}
+
+static MACHINE_CONFIG_START( dderby, dmndrby_state )
+ /* basic machine hardware */
+ MCFG_CPU_ADD("maincpu", Z80,4000000) /* ? MHz */
+ MCFG_CPU_PROGRAM_MAP(memmap)
+ MCFG_CPU_VBLANK_INT("screen", dderby_irq)
+ MCFG_CPU_PERIODIC_INT(dderby_timer_irq, 244/2)
+
+ MCFG_CPU_ADD("audiocpu", Z80, 4000000) /* verified on schematics */
+ MCFG_CPU_PROGRAM_MAP(dderby_sound_map)
+
+ MCFG_QUANTUM_TIME(attotime::from_hz(6000))
+ MCFG_NVRAM_ADD_0FILL("nvram")
+
+ /* video hardware */
+ MCFG_SCREEN_ADD("screen", RASTER)
+ MCFG_SCREEN_REFRESH_RATE(60)
+ MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
+ MCFG_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
+ MCFG_SCREEN_SIZE(256, 256)
+ MCFG_SCREEN_VISIBLE_AREA(0, 256-1, 16, 256-16-1)
+ MCFG_SCREEN_UPDATE(dderby)
+
+ MCFG_GFXDECODE(dmndrby)
+ MCFG_PALETTE_LENGTH(0x300)
+ MCFG_PALETTE_INIT(dmnderby)
+
+ MCFG_VIDEO_START(dderby)
+
+ MCFG_SPEAKER_STANDARD_MONO("mono")
+
+ MCFG_SOUND_ADD("ay1", AY8910, 1789750) // frequency guessed
+ MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.35)
+MACHINE_CONFIG_END
+
+
+ROM_START( dmndrby )
+ ROM_REGION( 0x10000, "maincpu", 0 ) /* main cpu */
+ ROM_LOAD( "dd04.m6", 0x00000, 0x02000, CRC(a3cfd28e) SHA1(7ba14876fa4409634a699e049bce3bc457522932) )
+ ROM_LOAD( "dd05.m7", 0x02000, 0x02000, CRC(16f7ac0b) SHA1(030b8c2b294a0287f3aaf72424304fc191315888) )
+ ROM_LOAD( "dd06.m8", 0x04000, 0x02000, CRC(914ba8f5) SHA1(d1b3f3d5d2625e42ea6cb5c777942cec7faea58e) )
+
+ ROM_REGION( 0x10000, "audiocpu", 0 ) /* sound cpu */
+ ROM_LOAD( "dd03.j9", 0x00000, 0x01000, CRC(660f0cae) SHA1(b3b414e52342de877a5c20886a87002a63310a94) )
+
+ ROM_REGION( 0x04000, "gfx1", 0 ) /* tiles */
+ ROM_LOAD( "dd01.e1", 0x00000, 0x02000, CRC(2e120288) SHA1(0ea29aff07e956b19080f05bd18b427195694ce8) )
+ ROM_LOAD( "dd02.e2", 0x02000, 0x02000, CRC(ca028c8c) SHA1(f882eea2191cf1f3ea57d49fd6862f98401555be) )
+
+ ROM_REGION( 0x4000, "user1", 0 ) // tracerack data
+ ROM_LOAD( "dd22.n6", 0x00000, 0x02000, CRC(db6b13fc) SHA1(3415deb2ffa86679e4f8abb644b75963e5368ba0) )
+ ROM_LOAD( "dd23.n7", 0x02000, 0x02000, CRC(595fdb9b) SHA1(133d227bb156be52337da974e37973b049722e49) )
+
+ ROM_REGION( 0x18000, "gfx2", 0 ) /* horse sprites (kinda) */
+ ROM_LOAD( "dd07.b1", 0x00000, 0x02000, CRC(207a534a) SHA1(ddbd292f79cc9fb7bd9f0ee9874da87909147789) )
+ ROM_LOAD( "dd08.b2", 0x02000, 0x02000, CRC(f380e2c4) SHA1(860a6557ae8b81d310c353f88f9194e1ffd551ec) )
+ ROM_LOAD( "dd09.b3", 0x04000, 0x02000, CRC(68ebf74c) SHA1(959ee6c4ce700cff86af39442063dc79b8f8913e) )
+ ROM_LOAD( "dd10.b5", 0x06000, 0x01000, CRC(38b1568a) SHA1(f7e04db49708dfc8c8512026d3460af0f3fb6780) )
+ ROM_LOAD( "dd11.d1", 0x08000, 0x02000, CRC(fe615561) SHA1(808f703d0ca1576feb78f21c380e4006dd634a9c) )
+ ROM_LOAD( "dd12.d2", 0x0a000, 0x02000, CRC(4df63aae) SHA1(a0b224fb1157fc25c21f9f0664bb8385e94e5c77) )
+ ROM_LOAD( "dd13.d4", 0x0c000, 0x02000, CRC(cace0dfc) SHA1(41902f3ee2fa18798e3b441ee18f7b953d977b93) )
+ ROM_LOAD( "dd14.d5", 0x0e000, 0x01000, CRC(2c602cbe) SHA1(78ffe79e3f2c4a3e9c6adc8f4635ed1a93528dc8) )
+ ROM_LOAD( "dd15.e1", 0x10000, 0x02000, CRC(2ce23b64) SHA1(5cbeabc015cb167c7fd485ab4d9f1329bc2e94b3) )
+ ROM_LOAD( "dd16.e2", 0x12000, 0x02000, CRC(6af9796c) SHA1(4cd818d488ac85fd6f8732fdca80cc29db86d3f4) )
+ ROM_LOAD( "dd17.e4", 0x14000, 0x02000, CRC(b451cde2) SHA1(1c7340cc39d9beca1640c88000112c898d3de941) )
+ ROM_LOAD( "dd18.e5", 0x16000, 0x01000, CRC(56228aaf) SHA1(74e96ebefc1b69310b23e47a35affbb7cd7d9acc) )
+
+ ROM_REGION( 0x6000, "gfx3", 0 )
+ ROM_LOAD( "dd19.n2", 0x00000, 0x02000, CRC(fd536051) SHA1(556dfe064eeb9be1db751410ec128385c463e706) )
+ ROM_LOAD( "dd20.n3", 0x02000, 0x02000, CRC(1497e52f) SHA1(f08c20c97c8d2148fcc705297cf1129bc65c9b83) )
+ ROM_LOAD( "dd21.n4", 0x04000, 0x02000, CRC(87605d44) SHA1(c985fb15eac7bcc89e92909cf588b5982d0cabd0) )
+
+ ROM_REGION( 0x020, "proms", 0 ) // palette
+ ROM_LOAD( "ddprom3.h5", 0x0000, 0x0020, CRC(aea3cff6) SHA1(1139dd52c127436873a674be8a14527190091a82) )
+
+ ROM_REGION( 0x300, "proms2", 0 ) // lookup
+ ROM_LOAD( "ddprom4.h10",0x0000, 0x0100, CRC(7280f000) SHA1(bfad2b547b8abe6c67928bec08e7d00431c539d5) ) // HORSES
+ ROM_LOAD( "ddprom5.k1", 0x0100, 0x0100, CRC(15edbdac) SHA1(298640afb24830d32f54c0c7c5960d777f51f2bd) ) // TILES?
+ ROM_LOAD( "ddprom1.c1", 0x0200, 0x0100, CRC(e1c2fa1b) SHA1(6b8b0b2c1ac4b2796070452c923ba96dd8b29048) ) // ???
+
+ ROM_REGION( 0x200, "proms3", 0 ) // other
+ ROM_LOAD( "ddprom2.j5", 0x0000, 0x0100, CRC(3e5402dc) SHA1(2f497333f49064c54995cec8919f3aebdc17e977) )
+ ROM_LOAD( "ddprom6.m12",0x0100, 0x0100, CRC(7f677b7d) SHA1(946014cb01f5954a3cb196796741ee174a0de641) )
+ROM_END
+
+ROM_START( dmndrbya )
+ ROM_REGION( 0x10000, "maincpu", 0 )
+ ROM_LOAD( "dd4", 0x00000, 0x02000, CRC(29b06e0f) SHA1(301fc2fe25ce47c2ad5112f0b795cd6bae605071) )
+ ROM_LOAD( "dd5", 0x02000, 0x02000, CRC(5299d020) SHA1(678d338d2cee5250154454be97456d5f80bb4759) )
+ ROM_LOAD( "dd6", 0x04000, 0x02000, CRC(f7e30ec0) SHA1(bf898987366ee9def190e3575108395b0aaef2d6) )
+
+ ROM_REGION( 0x10000, "audiocpu", 0 ) /* sound cpu */
+ ROM_LOAD( "dd03.j9", 0x00000, 0x01000, CRC(660f0cae) SHA1(b3b414e52342de877a5c20886a87002a63310a94) )
+
+ ROM_REGION( 0x04000, "gfx1", 0 )
+ ROM_LOAD( "dd1", 0x00000, 0x02000, CRC(7fe475a6) SHA1(008bbaff87baad7f4c2497e40bf5e3fc95f993b4) )
+ ROM_LOAD( "dd2", 0x02000, 0x02000, CRC(54def3ee) SHA1(fb88852ada2b5b555c0e8c0a082ed9978ff27434) )
+
+ ROM_REGION( 0x4000, "user1", 0 ) // tracerack data
+ ROM_LOAD( "dd22.n6", 0x00000, 0x02000, CRC(db6b13fc) SHA1(3415deb2ffa86679e4f8abb644b75963e5368ba0) )
+ ROM_LOAD( "dd23.n7", 0x02000, 0x02000, CRC(595fdb9b) SHA1(133d227bb156be52337da974e37973b049722e49) )
+
+ ROM_REGION( 0x18000, "gfx2", 0 )
+ ROM_LOAD( "dd07.b1", 0x00000, 0x02000, CRC(207a534a) SHA1(ddbd292f79cc9fb7bd9f0ee9874da87909147789) )
+ ROM_LOAD( "dd08.b2", 0x02000, 0x02000, CRC(f380e2c4) SHA1(860a6557ae8b81d310c353f88f9194e1ffd551ec) )
+ ROM_LOAD( "dd09.b3", 0x04000, 0x02000, CRC(68ebf74c) SHA1(959ee6c4ce700cff86af39442063dc79b8f8913e) )
+ ROM_LOAD( "dd10.b5", 0x06000, 0x01000, CRC(38b1568a) SHA1(f7e04db49708dfc8c8512026d3460af0f3fb6780) )
+ ROM_LOAD( "dd11.d1", 0x08000, 0x02000, CRC(fe615561) SHA1(808f703d0ca1576feb78f21c380e4006dd634a9c) )
+ ROM_LOAD( "dd12.d2", 0x0a000, 0x02000, CRC(4df63aae) SHA1(a0b224fb1157fc25c21f9f0664bb8385e94e5c77) )
+ ROM_LOAD( "dd13.d4", 0x0c000, 0x02000, CRC(cace0dfc) SHA1(41902f3ee2fa18798e3b441ee18f7b953d977b93) )
+ ROM_LOAD( "dd14.d5", 0x0e000, 0x01000, CRC(2c602cbe) SHA1(78ffe79e3f2c4a3e9c6adc8f4635ed1a93528dc8) )
+ ROM_LOAD( "dd15.e1", 0x10000, 0x02000, CRC(2ce23b64) SHA1(5cbeabc015cb167c7fd485ab4d9f1329bc2e94b3) )
+ ROM_LOAD( "dd16.e2", 0x12000, 0x02000, CRC(6af9796c) SHA1(4cd818d488ac85fd6f8732fdca80cc29db86d3f4) )
+ ROM_LOAD( "dd17.e4", 0x14000, 0x02000, CRC(b451cde2) SHA1(1c7340cc39d9beca1640c88000112c898d3de941) )
+ ROM_LOAD( "dd18.e5", 0x16000, 0x01000, CRC(56228aaf) SHA1(74e96ebefc1b69310b23e47a35affbb7cd7d9acc) )
+
+ ROM_REGION( 0x6000, "gfx3", 0 )
+ ROM_LOAD( "dd19.n2", 0x00000, 0x02000, CRC(fd536051) SHA1(556dfe064eeb9be1db751410ec128385c463e706) )
+ ROM_LOAD( "dd20.n3", 0x02000, 0x02000, CRC(1497e52f) SHA1(f08c20c97c8d2148fcc705297cf1129bc65c9b83) )
+ ROM_LOAD( "dd21.n4", 0x04000, 0x02000, CRC(87605d44) SHA1(c985fb15eac7bcc89e92909cf588b5982d0cabd0) )
+
+ ROM_REGION( 0x020, "proms", 0 ) // palette
+ ROM_LOAD( "ddprom3.h5", 0x0000, 0x0020, CRC(aea3cff6) SHA1(1139dd52c127436873a674be8a14527190091a82) )
+
+ ROM_REGION( 0x300, "proms2", 0 ) // lookup
+ ROM_LOAD( "ddprom4.h10",0x0000, 0x0100, CRC(7280f000) SHA1(bfad2b547b8abe6c67928bec08e7d00431c539d5) ) // HORSES
+ ROM_LOAD( "ddprom5.k1", 0x0100, 0x0100, CRC(15edbdac) SHA1(298640afb24830d32f54c0c7c5960d777f51f2bd) ) // TILES?
+ ROM_LOAD( "ddprom1.c1", 0x0200, 0x0100, CRC(e1c2fa1b) SHA1(6b8b0b2c1ac4b2796070452c923ba96dd8b29048) ) // ???
+
+ ROM_REGION( 0x200, "proms3", 0 ) // other
+ ROM_LOAD( "ddprom2.j5", 0x0000, 0x0100, CRC(3e5402dc) SHA1(2f497333f49064c54995cec8919f3aebdc17e977) )
+ ROM_LOAD( "ddprom6.m12",0x0100, 0x0100, CRC(7f677b7d) SHA1(946014cb01f5954a3cb196796741ee174a0de641) )
+ROM_END
+
+
+/* YEAR, NAME, PARENT, MACHINE, INPUT, INIT, MONITOR, COMPANY, FULLNAME */
+GAME( 1994, dmndrby, 0, dderby, dderby, 0, ROT0, "Electrocoin", "Diamond Derby (Newer)",GAME_IMPERFECT_GRAPHICS|GAME_IMPERFECT_COLORS|GAME_NOT_WORKING ) // hack?
+GAME( 1986, dmndrbya, dmndrby, dderby, dderbya, 0, ROT0, "Electrocoin", "Diamond Derby (Original)",GAME_IMPERFECT_GRAPHICS|GAME_IMPERFECT_COLORS|GAME_NOT_WORKING )