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Fix shadfrce assertions.

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This commit is contained in:
Aaron Giles 2009-01-02 00:46:23 +00:00
parent 9ce87edb3f
commit 78f5d6e9ea
1 changed files with 4 additions and 2 deletions
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6
src/mame/drivers/shadfrce.c
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@ -287,7 +287,8 @@ static TIMER_DEVICE_CALLBACK( shadfrce_scanline )
if (scanline == raster_scanline)
{
raster_scanline = (raster_scanline + 1) % 240;
video_screen_update_partial(timer->machine->primary_screen, raster_scanline - 1);
if (raster_scanline > 0)
video_screen_update_partial(timer->machine->primary_screen, raster_scanline - 1);
cpu_set_input_line(timer->machine->cpu[0], 1, ASSERT_LINE);
}
}
@ -297,7 +298,8 @@ static TIMER_DEVICE_CALLBACK( shadfrce_scanline )
{
if (scanline % 16 == 0)
{
video_screen_update_partial(timer->machine->primary_screen, scanline - 1);
if (scanline > 0)
video_screen_update_partial(timer->machine->primary_screen, scanline - 1);
cpu_set_input_line(timer->machine->cpu[0], 2, ASSERT_LINE);
}
}