Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-29 17:13:05 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

timing improvements from btime.c

Browse Source
This commit is contained in:
Michaël Banaan Ananas 2012-01-30 17:58:39 +00:00
parent d182860d4b
commit f94a7d1062
1 changed files with 25 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
src/mame/drivers/scregg.c
View File

@ -55,12 +55,25 @@ it as ASCII text.
#include "includes/btime.h" #include "includes/btime.h"
static TIMER_DEVICE_CALLBACK( scregg_interrupt )
{
btime_state *state = timer.machine().driver_data<btime_state>();
device_set_input_line(state->m_maincpu, 0, (param & 8) ? ASSERT_LINE : CLEAR_LINE);
}
static WRITE8_HANDLER( scregg_irqack_w )
{
btime_state *state = space->machine().driver_data<btime_state>();
device_set_input_line(state->m_maincpu, 0, CLEAR_LINE);
}
static ADDRESS_MAP_START( dommy_map, AS_PROGRAM, 8 ) static ADDRESS_MAP_START( dommy_map, AS_PROGRAM, 8 )
AM_RANGE(0x0000, 0x07ff) AM_RAM AM_RANGE(0x0000, 0x07ff) AM_RAM
AM_RANGE(0x2000, 0x23ff) AM_RAM AM_BASE_SIZE_MEMBER(btime_state, m_videoram, m_videoram_size) AM_RANGE(0x2000, 0x23ff) AM_RAM AM_BASE_SIZE_MEMBER(btime_state, m_videoram, m_videoram_size)
AM_RANGE(0x2400, 0x27ff) AM_RAM AM_BASE_MEMBER(btime_state, m_colorram) AM_RANGE(0x2400, 0x27ff) AM_RAM AM_BASE_MEMBER(btime_state, m_colorram)
AM_RANGE(0x2800, 0x2bff) AM_READWRITE(btime_mirrorvideoram_r, btime_mirrorvideoram_w) AM_RANGE(0x2800, 0x2bff) AM_READWRITE(btime_mirrorvideoram_r, btime_mirrorvideoram_w)
AM_RANGE(0x4000, 0x4000) AM_READ_PORT("DSW1") AM_WRITENOP AM_RANGE(0x4000, 0x4000) AM_READ_PORT("DSW1") AM_WRITE(scregg_irqack_w)
AM_RANGE(0x4001, 0x4001) AM_READ_PORT("DSW2") AM_WRITE(btime_video_control_w) AM_RANGE(0x4001, 0x4001) AM_READ_PORT("DSW2") AM_WRITE(btime_video_control_w)
/* AM_RANGE(0x4004, 0x4004) */ /* this is read */ /* AM_RANGE(0x4004, 0x4004) */ /* this is read */
AM_RANGE(0x4002, 0x4002) AM_READ_PORT("P1") AM_RANGE(0x4002, 0x4002) AM_READ_PORT("P1")
@ -78,7 +91,7 @@ static ADDRESS_MAP_START( eggs_map, AS_PROGRAM, 8 )
AM_RANGE(0x1800, 0x1bff) AM_READWRITE(btime_mirrorvideoram_r,btime_mirrorvideoram_w) AM_RANGE(0x1800, 0x1bff) AM_READWRITE(btime_mirrorvideoram_r,btime_mirrorvideoram_w)
AM_RANGE(0x1c00, 0x1fff) AM_READWRITE(btime_mirrorcolorram_r,btime_mirrorcolorram_w) AM_RANGE(0x1c00, 0x1fff) AM_READWRITE(btime_mirrorcolorram_r,btime_mirrorcolorram_w)
AM_RANGE(0x2000, 0x2000) AM_READ_PORT("DSW1") AM_WRITE(btime_video_control_w) AM_RANGE(0x2000, 0x2000) AM_READ_PORT("DSW1") AM_WRITE(btime_video_control_w)
AM_RANGE(0x2001, 0x2001) AM_READ_PORT("DSW2") AM_WRITENOP AM_RANGE(0x2001, 0x2001) AM_READ_PORT("DSW2") AM_WRITE(scregg_irqack_w)
AM_RANGE(0x2002, 0x2002) AM_READ_PORT("P1") AM_RANGE(0x2002, 0x2002) AM_READ_PORT("P1")
AM_RANGE(0x2003, 0x2003) AM_READ_PORT("P2") AM_RANGE(0x2003, 0x2003) AM_READ_PORT("P2")
AM_RANGE(0x2004, 0x2005) AM_DEVWRITE("ay1", ay8910_address_data_w) AM_RANGE(0x2004, 0x2005) AM_DEVWRITE("ay1", ay8910_address_data_w)
@ -229,19 +242,16 @@ static MACHINE_RESET( scregg )
static MACHINE_CONFIG_START( dommy, btime_state ) static MACHINE_CONFIG_START( dommy, btime_state )
/* basic machine hardware */ /* basic machine hardware */
MCFG_CPU_ADD("maincpu", M6502, 1500000) MCFG_CPU_ADD("maincpu", M6502, XTAL_12MHz/8)
MCFG_CPU_PROGRAM_MAP(dommy_map) MCFG_CPU_PROGRAM_MAP(dommy_map)
MCFG_CPU_PERIODIC_INT(irq0_line_hold,16*60) //??? MCFG_TIMER_ADD_SCANLINE("irq", scregg_interrupt, "screen", 0, 8)
MCFG_MACHINE_START(scregg) MCFG_MACHINE_START(scregg)
MCFG_MACHINE_RESET(scregg) MCFG_MACHINE_RESET(scregg)
/* video hardware */ /* video hardware */
MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(57) MCFG_SCREEN_RAW_PARAMS(XTAL_12MHz/2, 384, 8, 248, 272, 8, 248)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(3072) /* frames per second, vblank duration taken from Burger Time */)
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(0*8, 31*8-1, 1*8, 31*8-1)
MCFG_SCREEN_UPDATE_STATIC(eggs) MCFG_SCREEN_UPDATE_STATIC(eggs)
MCFG_GFXDECODE(scregg) MCFG_GFXDECODE(scregg)
@ -253,10 +263,10 @@ static MACHINE_CONFIG_START( dommy, btime_state )
/* sound hardware */ /* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ay1", AY8910, 1500000) MCFG_SOUND_ADD("ay1", AY8910, XTAL_12MHz/8)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.23) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.23)
MCFG_SOUND_ADD("ay2", AY8910, 1500000) MCFG_SOUND_ADD("ay2", AY8910, XTAL_12MHz/8)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.23) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.23)
MACHINE_CONFIG_END MACHINE_CONFIG_END
@ -264,19 +274,16 @@ MACHINE_CONFIG_END
static MACHINE_CONFIG_START( scregg, btime_state ) static MACHINE_CONFIG_START( scregg, btime_state )
/* basic machine hardware */ /* basic machine hardware */
MCFG_CPU_ADD("maincpu", M6502, 1500000) MCFG_CPU_ADD("maincpu", M6502, XTAL_12MHz/8)
MCFG_CPU_PROGRAM_MAP(eggs_map) MCFG_CPU_PROGRAM_MAP(eggs_map)
MCFG_CPU_PERIODIC_INT(irq0_line_hold,16*60) //??? MCFG_TIMER_ADD_SCANLINE("irq", scregg_interrupt, "screen", 0, 8)
MCFG_MACHINE_START(scregg) MCFG_MACHINE_START(scregg)
MCFG_MACHINE_RESET(scregg) MCFG_MACHINE_RESET(scregg)
/* video hardware */ /* video hardware */
MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_ADD("screen", RASTER)
MCFG_SCREEN_REFRESH_RATE(57) MCFG_SCREEN_RAW_PARAMS(XTAL_12MHz/2, 384, 8, 248, 272, 8, 248)
MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(3072) /* frames per second, vblank duration taken from Burger Time */)
MCFG_SCREEN_SIZE(32*8, 32*8)
MCFG_SCREEN_VISIBLE_AREA(1*8, 31*8-1, 1*8, 31*8-1)
MCFG_SCREEN_UPDATE_STATIC(eggs) MCFG_SCREEN_UPDATE_STATIC(eggs)
MCFG_GFXDECODE(scregg) MCFG_GFXDECODE(scregg)
@ -288,10 +295,10 @@ static MACHINE_CONFIG_START( scregg, btime_state )
/* sound hardware */ /* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD("ay1", AY8910, 1500000) MCFG_SOUND_ADD("ay1", AY8910, XTAL_12MHz/8)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.23) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.23)
MCFG_SOUND_ADD("ay2", AY8910, 1500000) MCFG_SOUND_ADD("ay2", AY8910, XTAL_12MHz/8)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.23) MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.23)
MACHINE_CONFIG_END MACHINE_CONFIG_END