ROM_END
/***************************************************************************
Game driver(s)
***************************************************************************/
static void crimfght_banking( int lines )
{
unsigned char *RAM = memory_region(REGION_CPU1);
int offs = 0;
/* bit 5 = select work RAM or palette */
if (lines & 0x20){
cpu_setbankhandler_r (1, paletteram_r); /* palette */
cpu_setbankhandler_w (1, paletteram_xBBBBBGGGGGRRRRR_swap_w); /* palette */
}
else{
cpu_setbankhandler_r (1, MRA_RAM); /* RAM */
cpu_setbankhandler_w (1, MWA_RAM); /* RAM */
}
/* bit 6 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((lines & 0x40) ? ASSERT_LINE : CLEAR_LINE);
offs = 0x10000 + ( ( lines & 0x0f ) * 0x2000 );
cpu_setbank( 2, &RAM[offs] );
}
ROM_END
/***************************************************************************
Game driver(s)
***************************************************************************/
static void crimfght_banking( int lines )
{
unsigned char *RAM = memory_region(REGION_CPU1);
int offs = 0;
/* bit 5 = select work RAM or palette */
if (lines & 0x20){
memory_install_read8_handler(0, ADDRESS_SPACE_PROGRAM, 0x0000, 0x03ff, 0, 0, paletteram_r); /* palette */
memory_install_write8_handler(0, ADDRESS_SPACE_PROGRAM, 0x0000, 0x03ff, 0, 0, paletteram_xBBBBBGGGGGRRRRR_swap_w); /* palette */
}
else{
memory_install_read8_handler(0, ADDRESS_SPACE_PROGRAM, 0x0000, 0x03ff, 0, 0, MRA8_RAM); /* RAM */
memory_install_write8_handler(0, ADDRESS_SPACE_PROGRAM, 0x0000, 0x03ff, 0, 0, MWA8_RAM); /* RAM */
}
/* bit 6 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((lines & 0x40) ? ASSERT_LINE : CLEAR_LINE);
offs = 0x10000 + ( ( lines & 0x0f ) * 0x2000 );
cpu_setbank( 2, &RAM[offs] );
}
/***************************************************************************
Game ROMs
***************************************************************************/
ROM_START( blockhl )
ROM_REGION( 0x18800, REGION_CPU1 ) /* code + banked roms + space for banked RAM */
ROM_LOAD( "973l02.e21", 0x10000, 0x08000, 0xe14f849a )
ROM_CONTINUE( 0x08000, 0x08000 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the sound CPU */
ROM_LOAD( "973d01.g6", 0x0000, 0x8000, 0xeeee9d92 )
ROM_REGION( 0x20000, REGION_GFX1 ) /* graphics (addressable by the main CPU) */
ROM_LOAD_GFX_EVEN( "973f07.k15", 0x00000, 0x08000, 0x1a8cd9b4 ) /* tiles */
ROM_LOAD_GFX_ODD ( "973f08.k18", 0x00000, 0x08000, 0x952b51a6 )
ROM_LOAD_GFX_EVEN( "973f09.k20", 0x10000, 0x08000, 0x77841594 )
ROM_LOAD_GFX_ODD ( "973f10.k23", 0x10000, 0x08000, 0x09039fab )
ROM_REGION( 0x20000, REGION_GFX2 ) /* graphics (addressable by the main CPU) */
ROM_LOAD_GFX_EVEN( "973f06.k12", 0x00000, 0x08000, 0x51acfdb6 ) /* sprites */
ROM_LOAD_GFX_ODD ( "973f05.k9", 0x00000, 0x08000, 0x4cfea298 )
ROM_LOAD_GFX_EVEN( "973f04.k7", 0x10000, 0x08000, 0x69ca41bd )
ROM_LOAD_GFX_ODD ( "973f03.k4", 0x10000, 0x08000, 0x21e98472 )
ROM_REGION( 0x0100, REGION_PROMS ) /* PROMs */
ROM_LOAD( "973a11.h10", 0x0000, 0x0100, 0x46d28fe9 ) /* priority encoder (not used) */
ROM_END
ROM_START( quarth )
ROM_REGION( 0x18800, REGION_CPU1 ) /* code + banked roms + space for banked RAM */
ROM_LOAD( "973j02.e21", 0x10000, 0x08000, 0x27a90118 )
ROM_CONTINUE( 0x08000, 0x08000 )
ROM_REGION( 0x10000, REGION_CPU2 ) /* 64k for the sound CPU */
ROM_LOAD( "973d01.g6", 0x0000, 0x8000, 0xeeee9d92 )
ROM_REGION( 0x20000, REGION_GFX1 ) /* graphics (addressable by the main CPU) */
ROM_LOAD_GFX_EVEN( "973e07.k15", 0x00000, 0x08000, 0x0bd6b0f8 ) /* tiles */
ROM_LOAD_GFX_ODD ( "973e08.k18", 0x00000, 0x08000, 0x104d0d5f )
ROM_LOAD_GFX_EVEN( "973e09.k20", 0x10000, 0x08000, 0xbd3a6f24 )
ROM_LOAD_GFX_ODD ( "973e10.k23", 0x10000, 0x08000, 0xcf5e4b86 )
ROM_REGION( 0x20000, REGION_GFX2 ) /* graphics (addressable by the main CPU) */
ROM_LOAD_GFX_EVEN( "973e06.k12", 0x00000, 0x08000, 0x0d58af85 ) /* sprites */
ROM_LOAD_GFX_ODD ( "973e05.k9", 0x00000, 0x08000, 0x15d822cb )
ROM_LOAD_GFX_EVEN( "973e04.k7", 0x10000, 0x08000, 0xd70f4a2c )
ROM_LOAD_GFX_ODD ( "973e03.k4", 0x10000, 0x08000, 0x2c5a4b4b )
ROM_REGION( 0x0100, REGION_PROMS ) /* PROMs */
ROM_LOAD( "973a11.h10", 0x0000, 0x0100, 0x46d28fe9 ) /* priority encoder (not used) */
ROM_END
/***************************************************************************
Game driver(s)
***************************************************************************/
static void blockhl_banking( int lines )
{
unsigned char *RAM = memory_region(REGION_CPU1);
int offs;
/* bits 0-1 = ROM bank */
rombank = lines & 0x03;
offs = 0x10000 + (lines & 0x03) * 0x2000;
cpu_setbank(1,&RAM[offs]);
/* bits 3/4 = coin counters */
coin_counter_w(0,lines & 0x08);
coin_counter_w(1,lines & 0x10);
/* bit 5 = select palette RAM or work RAM at 5800-5fff */
palette_selected = ~lines & 0x20;
/* bit 6 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line( ( lines & 0x40 ) ? ASSERT_LINE : CLEAR_LINE );
/* bit 7 used but unknown */
/* other bits unknown */
//if ((lines & 0x84) != 0x80) logerror("%04x: setlines %02x\n",cpu_get_pc(),lines);
}
ROM_END
/***************************************************************************
Game driver(s)
***************************************************************************/
static KONAMI_SETLINES_CALLBACK( crimfght_banking )
{
UINT8 *RAM = memory_region(device->machine, "maincpu");
int offs = 0;
/* bit 5 = select work RAM or palette */
if (lines & 0x20)
{
memory_install_readwrite8_handler(cpu_get_address_space(device, ADDRESS_SPACE_PROGRAM), 0x0000, 0x03ff, 0, 0, (read8_space_func)SMH_BANK(3), paletteram_xBBBBBGGGGGRRRRR_be_w);
memory_set_bankptr(device->machine, 3, paletteram);
}
else
memory_install_readwrite8_handler(cpu_get_address_space(device, ADDRESS_SPACE_PROGRAM), 0x0000, 0x03ff, 0, 0, (read8_space_func)SMH_BANK(1), (write8_space_func)SMH_BANK(1)); /* RAM */
/* bit 6 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((lines & 0x40) ? ASSERT_LINE : CLEAR_LINE);
offs = 0x10000 + ((lines & 0x0f) * 0x2000);
memory_set_bankptr(device->machine, 2, &RAM[offs]);
}
static WRITE_HANDLER( thunderx_1f98_w )
{
//logerror("%04x: write %02x to 1f98\n",cpu_get_pc(),data);
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 unknown - used by Thunder Cross during test of RAM C8 (5800-5fff) */
if ( data & 2 )
calculate_collisions();
}
void simpsons_coin_counter_w( int offset, int data )
{
/* bit 0,1 coin counters */
coin_counter_w(0,data & 0x01);
coin_counter_w(1,data & 0x02);
/* bit 2 selects mono or stereo sound */
/* bit 3 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x08) ? ASSERT_LINE : CLEAR_LINE);
/* bit 4 = INIT (unknown) */
/* bit 5 = enable sprite ROM reading */
K053246_set_OBJCHA_line((~data & 0x20) ? ASSERT_LINE : CLEAR_LINE);
}
static WRITE_HANDLER( surpratk_5fc0_w )
{
if ((data & 0xf4) != 0x10) logerror("%04x: 3fc0 = %02x\n",activecpu_get_pc(),data);
/* bit 0/1 = coin counters */
coin_counter_w(0,data & 0x01);
coin_counter_w(1,data & 0x02);
/* bit 3 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line( ( data & 0x08 ) ? ASSERT_LINE : CLEAR_LINE );
/* other bits unknown */
}
static WRITE_HANDLER( gbusters_1f98_w )
{
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 7 used (during gfx rom tests), but unknown */
/* other bits unused/unknown */
//if (data & 0xfe){
//logerror("%04x: (1f98) write %02x\n",cpu_get_pc(), data);
//usrintf_showmessage("$1f98 = %02x", data);
//}
}
static WRITE_HANDLER( thunderx_1f98_w )
{
//logerror("%04x: write %02x to 1f98\n",cpu_get_pc(),data);
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 = reset for collision MCU??? */
/* we don't need it, anyway */
/* bit 2 = do collision detection when 0->1 */
if ((data & 4) && !(unknown_enable & 4))
{
calculate_collisions();
}
unknown_enable = data;
}
ROM_END
static void k88games_banking( int lines )
{
unsigned char *RAM = memory_region(REGION_CPU1);
int offs;
logerror("%04x: bank select %02x\n",activecpu_get_pc(),lines);
/* bits 0-2 select ROM bank for 0000-1fff */
/* bit 3: when 1, palette RAM at 1000-1fff */
/* bit 4: when 0, 051316 RAM at 3800-3fff; when 1, work RAM at 2000-3fff (NVRAM 3370-37ff) */
offs = 0x10000 + (lines & 0x07) * 0x2000;
memcpy(RAM,&RAM[offs],0x1000);
if (lines & 0x08)
{
if (paletteram != &RAM[0x1000])
{
memcpy(&RAM[0x1000],paletteram,0x1000);
paletteram = &RAM[0x1000];
}
}
else
{
if (paletteram != &RAM[0x20000])
{
memcpy(&RAM[0x20000],paletteram,0x1000);
paletteram = &RAM[0x20000];
}
memcpy(&RAM[0x1000],&RAM[offs+0x1000],0x1000);
}
videobank = lines & 0x10;
/* bit 5 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((lines & 0x20) ? ASSERT_LINE : CLEAR_LINE);
/* bit 6 is unknown, 1 most of the time */
/* bit 7 controls layer priority */
k88games_priority = lines & 0x80;
}
void mainevt_bankswitch_w(int offset, int data)
{
unsigned char *RAM = memory_region(REGION_CPU1);
int bankaddress;
/* bit 0-1 ROM bank select */
bankaddress = 0x10000 + (data & 0x03) * 0x2000;
cpu_setbank(1,&RAM[bankaddress]);
/* TODO: bit 5 = select work RAM or palette? */
// palette_selected = data & 0x20;
/* bit 6 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x40) ? ASSERT_LINE : CLEAR_LINE);
/* bit 7 = NINITSET (unknown) */
/* other bits unused */
}
static WRITE_HANDLER( aliens_coin_counter_w )
{
/* bits 0-1 = coin counters */
coin_counter_w(0,data & 0x01);
coin_counter_w(1,data & 0x02);
/* bit 5 = select work RAM or palette */
palette_selected = data & 0x20;
/* bit 6 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x40) ? ASSERT_LINE : CLEAR_LINE);
/* other bits unknown */
#if 0
{
char baf[40];
sprintf(baf,"%02x",data);
usrintf_showmessage(baf);
}
#endif
}
static WRITE_HANDLER( thunderx_1f98_w )
{
// logerror("%04x: 1f98_w %02x\n",activecpu_get_pc(),data);
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 = PMC-BK */
pmcbank = (data & 0x02) >> 1;
/* bit 2 = do collision detection when 0->1 */
if ((data & 4) && !(unknown_enable & 4))
{
calculate_collisions();
/* 100 cycle delay is arbitrary */
timer_set(TIME_IN_CYCLES(100,0),0, thunderx_firq_callback);
}
unknown_enable = data;
}
static WRITE8_HANDLER( thunderx_1f98_w )
{
// logerror("%04x: 1f98_w %02x\n",cpu_get_pc(space->cpu),data);
/* bit 0 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x01) ? ASSERT_LINE : CLEAR_LINE);
/* bit 1 = PMC-BK */
pmcbank = (data & 0x02) >> 1;
/* bit 2 = do collision detection when 0->1 */
if ((data & 4) && !(thunderx_1f98_data & 4))
{
calculate_collisions();
/* 100 cycle delay is arbitrary */
timer_set(space->machine, cpu_clocks_to_attotime(space->cpu,100), NULL, 0, thunderx_firq_callback);
}
thunderx_1f98_data = data;
}
static WRITE16_HANDLER( eeprom_w )
{
logerror("%06x: write %04x to 108000\n",activecpu_get_pc(),data);
if (ACCESSING_LSB)
{
/* bit 0 = coin counter */
coin_counter_w(0,data & 0x01);
/* bit 2 is data */
/* bit 3 is clock (active high) */
/* bit 4 is cs (active low) */
EEPROM_write_bit(data & 0x04);
EEPROM_set_cs_line((data & 0x10) ? CLEAR_LINE : ASSERT_LINE);
EEPROM_set_clock_line((data & 0x08) ? ASSERT_LINE : CLEAR_LINE);
}
if (ACCESSING_MSB)
{
/* bit 8 = enable sprite ROM reading */
K053246_set_OBJCHA_line((data & 0x0100) ? ASSERT_LINE : CLEAR_LINE);
/* bit 9 = enable char ROM reading through the video RAM */
K052109_set_RMRD_line((data & 0x0200) ? ASSERT_LINE : CLEAR_LINE);
}
}
