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02866: bublbobl and clones: Bubble Bobble vertical sync value seems slightly off

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This commit is contained in:
Phil Bennett 2009-01-24 15:27:19 +00:00
parent a016e312af
commit b089f4c2b0
1 changed files with 5 additions and 14 deletions
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19
src/mame/drivers/bublbobl.c
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@ -277,6 +277,9 @@ TODO:
#include "cpu/m6805/m6805.h" #include "cpu/m6805/m6805.h"
#include "includes/bublbobl.h" #include "includes/bublbobl.h"
#define MAIN_XTAL XTAL_24MHz
#if 0 // doesn't work for some reason #if 0 // doesn't work for some reason
static WRITE8_HANDLER(soundcpu_reset_w) static WRITE8_HANDLER(soundcpu_reset_w)
{ {
@ -664,12 +667,6 @@ static GFXDECODE_START( bublbobl )
GFXDECODE_END GFXDECODE_END
#define MAIN_XTAL 24000000
#define HSYNC MAIN_XTAL / 4 / 384
#define VSYNC HSYNC / 264
#define VBLANK 1 / VSYNC * (40 / 264)
// handler called by the 2203 emulator when the internal timers cause an IRQ // handler called by the 2203 emulator when the internal timers cause an IRQ
static void irqhandler(running_machine *machine, int irq) static void irqhandler(running_machine *machine, int irq)
{ {
@ -706,11 +703,8 @@ static MACHINE_DRIVER_START( tokio )
// video hardware // video hardware
MDRV_SCREEN_ADD("main", RASTER) MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(VSYNC) // 59.185606 Hz
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(VBLANK)) // 2560 us
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8) MDRV_SCREEN_RAW_PARAMS(MAIN_XTAL/4, 384, 0, 256, 264, 16, 240)
MDRV_SCREEN_VISIBLE_AREA(0, 32*8-1, 2*8, 30*8-1)
MDRV_GFXDECODE(bublbobl) MDRV_GFXDECODE(bublbobl)
MDRV_PALETTE_LENGTH(256) MDRV_PALETTE_LENGTH(256)
@ -750,11 +744,8 @@ static MACHINE_DRIVER_START( bublbobl )
// video hardware // video hardware
MDRV_SCREEN_ADD("main", RASTER) MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(VSYNC) // 59.185606 Hz
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(VBLANK)) // 2560 us
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16) MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_SIZE(32*8, 32*8) MDRV_SCREEN_RAW_PARAMS(MAIN_XTAL/4, 384, 0, 256, 264, 16, 240)
MDRV_SCREEN_VISIBLE_AREA(0, 32*8-1, 2*8, 30*8-1)
MDRV_GFXDECODE(bublbobl) MDRV_GFXDECODE(bublbobl)
MDRV_PALETTE_LENGTH(256) MDRV_PALETTE_LENGTH(256)