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Turned down the aggression on the "don't reconfigure screen" kludge in the TMS34010 core.

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Fixes stonebal0117u2gre.
Also fixed minor cosmetic bug in last Williams sound update.
This commit is contained in:
Aaron Giles 2008-01-07 03:29:59 +00:00
parent dad3f8f0ec
commit 2d844fe392
2 changed files with 22 additions and 4 deletions
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22
src/emu/cpu/tms34010/tms34010.c
View file

@ -60,6 +60,7 @@ typedef struct tms34010_regs
UINT8 pixelshift;
UINT8 is_34020;
UINT8 reset_deferred;
UINT8 hblank_stable;
int (*irq_callback)(int irqline);
const tms34010_config *config;
emu_timer *scantimer;
@ -1007,10 +1008,15 @@ static TIMER_CALLBACK( scanline_callback )
if (visarea.min_x < visarea.max_x && visarea.max_x <= width && visarea.min_y < visarea.max_y && visarea.max_y <= height)
{
/* because many games play with the HEBLNK/HSBLNK for effects, we don't change
if they are the only thing that has changed */
if (width != screen->width || height != screen->height || visarea.min_y != screen->visarea.min_y || visarea.max_y != screen->visarea.max_y)
if they are the only thing that has changed, unless they are stable for a couple
of frames */
if (width != screen->width || height != screen->height || visarea.min_y != screen->visarea.min_y || visarea.max_y != screen->visarea.max_y ||
(state.hblank_stable > 2 && (visarea.min_x != screen->visarea.min_x || visarea.max_x != screen->visarea.max_x)))
{
video_screen_configure(state.config->scrnum, width, height, &visarea, refresh);
}
state.hblank_stable++;
}
LOG(("Configuring screen: HTOTAL=%3d BLANK=%3d-%3d VTOTAL=%3d BLANK=%3d-%3d refresh=%f\n",
htotal, SMART_IOREG(HEBLNK), SMART_IOREG(HSBLNK), vtotal, veblnk, vsblnk, ATTOSECONDS_TO_HZ(refresh)));
@ -1269,6 +1275,12 @@ WRITE16_HANDLER( tms34010_io_register_w )
if (!(data & TMS34010_DI))
IOREG(REG_INTPEND) &= ~TMS34010_DI;
break;
case REG_HEBLNK:
case REG_HSBLNK:
if (oldreg != data)
state.hblank_stable = 0;
break;
}
if (LOG_CONTROL_REGS)
@ -1447,6 +1459,12 @@ WRITE16_HANDLER( tms34020_io_register_w )
case REG020_DPYADR:
case REG020_DPYTAP:
break;
case REG020_HEBLNK:
case REG020_HSBLNK:
if (oldreg != data)
state.hblank_stable = 0;
break;
}
}

4
src/mame/machine/midyunit.c
View file

@ -565,12 +565,12 @@ WRITE16_HANDLER( midyunit_sound_w )
case SOUND_CVSD_SMALL:
case SOUND_CVSD:
williams_cvsd_reset_w((~data & 0x100) >> 1);
williams_cvsd_reset_w((~data & 0x100) >> 8);
williams_cvsd_data_w((data & 0xff) | ((data & 0x200) >> 1));
break;
case SOUND_ADPCM:
williams_adpcm_reset_w((~data & 0x100) >> 1);
williams_adpcm_reset_w((~data & 0x100) >> 8);
williams_adpcm_data_w(data);
break;