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Koi Koi Part 2: written an hardcoded table (disabled by default), concluded that a color prom is currently undumped. Also documented a bunch of unused ports [Angelo Salese]

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This commit is contained in:
Angelo Salese 2009-12-16 14:41:23 +00:00
parent 3dde298da4
commit 5dc1be9b98
1 changed files with 42 additions and 19 deletions
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57
src/mame/drivers/koikoi.c
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@ -8,8 +8,8 @@ driver by
TODO:
- map missing inputs (temp mapped to z-x-left shift)
- is there (still..) some kind of protection ? timers looks weird (2nd player timer is frozen)
- colors (afaik color(?) prom outputs are connected to one of pals), might help to have a screenshot of the original thing.
- is there (still..) some kind of protection ? timers looks weird (2nd player timer is frozen) (this seems fixed now -AS)
- colors (afaik color(?) prom outputs are connected to one of pals), Missing color prom apparently.
Basic hw is...
@ -78,27 +78,48 @@ static TILE_GET_INFO( get_tile_info )
SET_TILE_INFO( 0, code, color, flip);
}
static PALETTE_INIT( koikoi ) //wrong
static PALETTE_INIT( koikoi )
{
#if 0
int i;
for (i = 0;i < 0x100;i++)
{
int bit0, bit1, bit2, bit3, r, g, b;
int prom_val,r,g,b;
int t[3];
bit0 = (color_prom[i] >> 3) & 0x01;
bit1 = (color_prom[i] >> 2) & 0x01;
bit2 = (color_prom[i] >> 1) & 0x01;
bit3 = (color_prom[i] >> 0) & 0x01;
prom_val = (color_prom[i] >> 0) & 0x0f;
r = bit0 * 0xaa + bit3 * 0x55;
g = bit1 * 0xaa + bit3 * 0x55;
b = bit2 * 0xaa + bit3 * 0x55;
t[0] = mame_rand(machine) & 0xff;
t[1] = mame_rand(machine) & 0xff;
t[2] = mame_rand(machine) & 0xff;
/* this looks like to be a clut...color prom is very likely to be undumped */
switch(prom_val)
{
case 0x00: r = 0x00; g = 0x55; b = 0x00; break; //UNK
case 0x01: r = 0xff; g = 0xff; b = 0xff; break;
case 0x02: r = 0xff; g = 0xff; b = 0x00; break;
case 0x03: r = 0xff; g = 0x55; b = 0x00; break; //UNK
case 0x04: r = 0xff; g = 0xff; b = 0xff; break;
case 0x05: r = 0x00; g = 0xff; b = 0x00; break;
case 0x06: r = 0x00; g = 0xff; b = 0x55; break; //UNK
case 0x07: r = 0x00; g = 0x00; b = 0xff; break;
case 0x08: r = 0x00; g = 0x55; b = 0xff; break;
case 0x09: r = 0xff; g = 0x00; b = 0x55; break;
case 0x0a: r = 0xff; g = 0x00; b = 0x00; break;
// case 0x0b: r = ????; g = ????; b = ????; break;
case 0x0c: r = 0x55; g = 0x00; b = 0x00; break; //UNK
case 0x0d: r = 0x55; g = 0x55; b = 0x55; break;
case 0x0e: r = 0x00; g = 0x00; b = 0x00; break;
case 0x0f: r = t[0]; g = t[1]; b = t[2]; break;
default: r = 0x00; g = 0x00; b = 0x00; break;
}
palette_set_color(machine,i,MAKE_RGB(r,g,b));
}
#endif
}
static VIDEO_START(koikoi)
{
koikoi_state *state = (koikoi_state *)machine->driver_data;
@ -165,7 +186,7 @@ static READ8_DEVICE_HANDLER( input_r )
static WRITE8_DEVICE_HANDLER( unknown_w )
{
//unknown... could be input select (player 1 or 2 = fd/fe or ef/df(??) )
//xor'ed mux select, player 1 = 1,2,4,8, player 2 = 0x10, 0x20, 0x40, 0x80
}
static READ8_HANDLER( io_r )
@ -202,7 +223,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( koikoi_io_map, ADDRESS_SPACE_IO, 8 )
ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0x02, 0x02) AM_WRITENOP //unknown , many writes
AM_RANGE(0x02, 0x02) AM_WRITENOP //watchdog
AM_RANGE(0x03, 0x03) AM_DEVREAD("aysnd", ay8910_r)
AM_RANGE(0x06, 0x07) AM_DEVWRITE("aysnd", ay8910_data_address_w)
ADDRESS_MAP_END
@ -263,7 +284,7 @@ INPUT_PORTS_END
/*************************************
*
* Graphics definitions
* Graphic definitions
*
*************************************/
@ -272,8 +293,7 @@ static const gfx_layout tilelayout =
8, 8,
RGN_FRAC(1,3),
3,
{ RGN_FRAC(0,3), RGN_FRAC(2,3), RGN_FRAC(1,3) },
//{ RGN_FRAC(2,3), RGN_FRAC(0,3), RGN_FRAC(1,3) },
{ RGN_FRAC(2,3), RGN_FRAC(1,3), RGN_FRAC(0,3) },
{ 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
@ -387,6 +407,9 @@ ROM_START( koikoi )
ROM_REGION( 0x0100, "proms", 0 )
ROM_LOAD( "prom.ic23", 0x000, 0x100, CRC(f1d169a6) SHA1(5ee4b1dfe61e8b97a90cc113ba234298189f1a73) )
ROM_REGION( 0x0020, "color_prom", 0 )
ROM_LOAD( "prom.x", 0x000, 0x020, NO_DUMP )
ROM_REGION( 0x0a00, "plds", 0 )
ROM_LOAD( "pal16r8-10_pink.ic9", 0x0000, 0x0104, CRC(9f8fdb95) SHA1(cdcdb1a6baef18961cf6c75fba0c3aba47f3edbb) )
ROM_LOAD( "pal16r8-10_green.ic15", 0x0200, 0x0104, CRC(da7b8b95) SHA1(a4eb12f2365ff2b6057e4a2e225e8f879a961d45) )