/*
Taiwan Chess Legend
Uniwang, 1995
Preliminary driver by Tomasz Slanina
PCB Layout
----------
|-----------------------------------------------|
| AY8930 DSW5 TCL.1E |
| DSW4 TCL.3E TCL.3F TCL.3H |
| DSW3 TCL.4E TCL.4F TCL.4H |
| DSW2 6116 |
| DSW1 6116 6116 |
| 6116 |
| 8255 12MHz |
| |
| |
| TCL_PR3.9E |
| |
| 8255 PAL |
| |
| PAL |
| BATTERY LATTICE |
| PAL PLSI 1016 Z80 PAL |
| TCL_PR1.15C PAL |
| SW1 TCL_PR2.16C 6116 TCL.16F |
|-----------------------------------------------|
Notes:
Z80 Clock: 3.000MHz
VSync: 60Hz
HSync: 15.15kHz
*/
#include "driver.h"
#include "machine/8255ppi.h"
#include "sound/ay8910.h"
static VIDEO_START( tcl )
{
}
static VIDEO_UPDATE( tcl )
{
return 0;
}
static ADDRESS_MAP_START( tcl_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_ROM /* bfff ? */
ADDRESS_MAP_END
static INPUT_PORTS_START( tcl )
PORT_START("IN0")
INPUT_PORTS_END
static const gfx_layout charlayout =
{
8,8,
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 const gfx_layout charlayout2 =
{
8,8,
RGN_FRAC(1,4),
4,
{ 0, RGN_FRAC(1,4), RGN_FRAC(2,4), RGN_FRAC(3,4)},
{ 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( tcl )
GFXDECODE_ENTRY( "gfx1", 0, charlayout, 0, 16 )
GFXDECODE_ENTRY( "gfx2", 0, charlayout2, 0, 16 ) /* wrong */
GFXDECODE_END
static const ppi8255_interface ppi8255_intf[2] =
{
{
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
},
{
NULL,
NULL,
NULL,
NULL,
NULL,
NULL
}
};
static MACHINE_DRIVER_START( tcl )
/* basic machine hardware */
MDRV_CPU_ADD("main", Z80,12000000/4)
MDRV_CPU_PROGRAM_MAP(tcl_map,0)
/* video hardware */
MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8)
MDRV_SCREEN_VISIBLE_AREA(0*8, 32*8-1, 2*8, 30*8-1)
MDRV_GFXDECODE(tcl)
MDRV_PALETTE_LENGTH(16*16)
MDRV_VIDEO_START(tcl)
MDRV_VIDEO_UPDATE(tcl)
MDRV_DEVICE_ADD( "ppi8255_0", PPI8255 )
MDRV_DEVICE_CONFIG( ppi8255_intf[0] )
MDRV_DEVICE_ADD( "ppi8255_1", PPI8255 )
MDRV_DEVICE_CONFIG( ppi8255_intf[1] )
/* sound hardware */
MDRV_SPEAKER_STANDARD_MONO("mono")
MDRV_SOUND_ADD("ay", AY8910, 12000000/6)
MDRV_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.30)
MACHINE_DRIVER_END
/***************************************************************************
Game driver(s)
***************************************************************************/
ROM_START( tcl )
ROM_REGION( 0x10000*2, "main", 0 )
ROM_LOAD( "tcl.16f", 0x00000, 0x20000, CRC(8e694a58) SHA1(7a3c20a7c740065b71fe66ec581edce0dd32f145) )
ROM_REGION( 0x8000*3, "gfx1", ROMREGION_DISPOSE )
ROM_LOAD( "tcl.1e", 0x00000, 0x8000, CRC(37edf9b8) SHA1(9225728116d6edfe8476e565a12e1f1e59766d26) )
ROM_LOAD( "tcl.3e", 0x08000, 0x8000, CRC(396298cf) SHA1(0ee306179a9d3dd84f7e5799527e6825d2979ddb) )
ROM_LOAD( "tcl.4e", 0x10000, 0x8000, CRC(f880101c) SHA1(8417410a7dcb304a88e98f9199f44a4df1ee3fb7) )
ROM_REGION( 0x2000*4, "gfx2", ROMREGION_DISPOSE ) /* ??? */
ROM_LOAD( "tcl.3f", 0x0000, 0x2000, CRC(c290c1eb) SHA1(00eb5ff46affe01f240081211b7f9a40e9f76bd8) )
ROM_LOAD( "tcl.4f", 0x2000, 0x2000, CRC(225e0148) SHA1(26d8db263b1957fc6b2204765c8aa1f10f44b591) )
ROM_LOAD( "tcl.3h", 0x4000, 0x2000, CRC(ee63d380) SHA1(c1d9ca4584bb2ef0fa85e2afb0876040b473a924) )
ROM_LOAD( "tcl.4h", 0x6000, 0x2000, CRC(6afa36a1) SHA1(a87423f01dbf9b1e69feb049d6ae3fd63321ee1a) )
ROM_REGION( 0x100*3, "proms", 0 )
ROM_LOAD( "tcl_pr1.15c", 0x000, 0x100, CRC(21eb5b19) SHA1(9b8425bdb97f11f4855c998c7792c3291fd07470) )
ROM_LOAD( "tcl_pr2.16c", 0x100, 0x100, CRC(0489b760) SHA1(78f8632b17a76335183c5c204cdec856988368b0) )
ROM_LOAD( "tcl_pr3.9e", 0x200, 0x100, CRC(50ec383b) SHA1(ae95b92bd3946b40134bcdc22708d5c6b0f4c23e) )
ROM_END
#define ROL(x,n) (BITSWAP8((x),(7+8-n)&7,(6+8-n)&7,(5+8-n)&7,(4+8-n)&7,(3+8-n)&7,(2+8-n)&7,(1+8-n)&7,(0+8-n)&7))
#define WRITEDEST( n ) \
dest[idx]=n; \
dest[idx+0x10000]=(n)^0xff; \
idx++;
static DRIVER_INIT(tcl)
{
/* only the first part is decrypted (and verified)*/
UINT8 *dest = memory_region(machine, "main");
int len = memory_region_length(machine, "main");
UINT8 *src = malloc_or_die(len);
int i,idx=0;
memcpy(src, dest, len);
for(i=0;i<64*1024;i+=4)
{
if(i&0x8000)
{
WRITEDEST(ROL(src[idx]^0x44,4)); // abcdefgh -> aFghaBcd
WRITEDEST(ROL(src[idx]^0x44,7)); // abcdefgh -> haBcdeFg
WRITEDEST(ROL(src[idx]^0x44,2)); // abcdefgh -> cdeFghaB
WRITEDEST((src[idx]^0x44)^0xf0); // abcdefgh -> AbCEeFgh
}
else
{
WRITEDEST(ROL(src[idx]^0x11,4)); // abcdefgh -> efgHabcD
WRITEDEST(ROL(src[idx]^0x11,7)); // abcdefgh -> HabcDefg
WRITEDEST(ROL(src[idx]^0x11,2)); // abcdefgh -> cDefgHab
WRITEDEST((src[idx]^0x11)^0xf0); // abcdefgh -> ABCdefgH
}
}
free(src);
memory_set_decrypted_region(0, 0x0000, 0x7fff, dest+0x10000);
}
GAME( 1995, tcl, 0, tcl, tcl, tcl, ROT0, "Uniwang", "Taiwan Chess Legend", GAME_NOT_WORKING )