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deprecat.h

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This commit is contained in:
Angelo Salese 2011-07-01 18:09:29 +00:00
parent c28d52c29e
commit 6bb8fe70ec
1 changed files with 16 additions and 24 deletions
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40
src/mame/drivers/xorworld.c
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@ -15,23 +15,19 @@ Memory Map:
0xa00008-0xa0000d EEPROM write/ctrl
0xffc000-0xffc7ff Screen (8x8 tiles 32x32 (256x256))
0xffc800-0xffc87f Sprite RAM
0xffc800-0xffc801 INT 2 ACK\Watchdog timer
0xffc802-0xffc803 INT 6 ACK/Watchdog timer
0xffc884-0xffffff Work RAM
Interrupts:
Level 2 INT updates the timer
Level 6 INT drives the game
Unmapped addresses in the driver:
0xffc800-0xffc801 INT 2 ACK\Watchdog timer
0xffc802-0xffc803 INT 6 ACK/Watchdog timer
Level 6 INT is vblank
EEPROM chip: 93C46
***************************************************************************/
#include "emu.h"
#include "deprecat.h"
#include "machine/eeprom.h"
#include "cpu/m68000/m68000.h"
#include "sound/saa1099.h"
@ -69,6 +65,15 @@ static WRITE16_DEVICE_HANDLER( eeprom_data_w )
eeprom->write_bit(data & 0x01);
}
static WRITE16_HANDLER( xorworld_irq2_ack_w )
{
cputag_set_input_line(space->machine(), "maincpu", 2, CLEAR_LINE);
}
static WRITE16_HANDLER( xorworld_irq6_ack_w )
{
cputag_set_input_line(space->machine(), "maincpu", 6, CLEAR_LINE);
}
static ADDRESS_MAP_START( xorworld_map, AS_PROGRAM, 16 )
AM_RANGE(0x000000, 0x01ffff) AM_ROM
@ -82,8 +87,8 @@ static ADDRESS_MAP_START( xorworld_map, AS_PROGRAM, 16 )
AM_RANGE(0xa0000c, 0xa0000d) AM_DEVWRITE("eeprom", eeprom_data_w)
AM_RANGE(0xffc000, 0xffc7ff) AM_RAM_WRITE(xorworld_videoram16_w) AM_BASE_MEMBER(xorworld_state, m_videoram)
AM_RANGE(0xffc800, 0xffc87f) AM_RAM AM_BASE_MEMBER(xorworld_state, m_spriteram)
AM_RANGE(0xffc880, 0xffc881) AM_WRITENOP
AM_RANGE(0xffc882, 0xffc883) AM_WRITENOP
AM_RANGE(0xffc880, 0xffc881) AM_WRITE(xorworld_irq2_ack_w)
AM_RANGE(0xffc882, 0xffc883) AM_WRITE(xorworld_irq6_ack_w)
AM_RANGE(0xffc884, 0xffffff) AM_RAM
ADDRESS_MAP_END
@ -163,31 +168,18 @@ static GFXDECODE_START( xorworld )
GFXDECODE_END
static INTERRUPT_GEN( xorworld_interrupt )
{
if (cpu_getiloops(device) == 0)
{
device_set_input_line(device, 2, HOLD_LINE);
}
else if (cpu_getiloops(device) % 2)
{
device_set_input_line(device, 6, HOLD_LINE);
}
}
static MACHINE_CONFIG_START( xorworld, xorworld_state )
// basic machine hardware
MCFG_CPU_ADD("maincpu", M68000, 10000000) // 10 MHz
MCFG_CPU_PROGRAM_MAP(xorworld_map)
MCFG_CPU_VBLANK_INT_HACK(xorworld_interrupt, 4) // 1 IRQ2 + 1 IRQ4 + 1 IRQ6
MCFG_CPU_VBLANK_INT("screen",irq6_line_assert) // irq 4 or 6
MCFG_CPU_PERIODIC_INT(irq2_line_assert,3*60) //timed irq, unknown timing
MCFG_QUANTUM_TIME(attotime::from_hz(60))
MCFG_EEPROM_93C46_ADD("eeprom")
// video hardware
MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(60)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(2500) /* not accurate */)