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Fixed divide by zero crashes for many sets in the sc1, sc2 drivers. From Haze. (nw)

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This commit is contained in:
Scott Stone 2012-04-26 21:21:33 +00:00
parent 217b2ecca5
commit 78e62ae79e
1 changed files with 11 additions and 11 deletions
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22
src/mame/video/awpvid.c
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@ -17,7 +17,7 @@
static UINT8 steps[MAX_STEPPERS];
static UINT8 symbols[MAX_STEPPERS];
static UINT8 reelpos[MAX_STEPPERS];
static UINT16 reelpos[MAX_STEPPERS];
void awp_reel_setup(void)
{
@ -74,9 +74,7 @@ void awp_draw_reel(int rno)
}
else
{
reelpos[rno] = stepper_get_position(rno);
/* legacy symbol support */
/* legacy symbol support - should be possible to remove this once the layouts depending on it are converted to scrolling type */
for ( m = 0; m < (rsymbols-1); m++ )
{
{
@ -92,12 +90,14 @@ void awp_draw_reel(int rno)
output_set_value(rg,(reelpos[rno]));
sprintf(rg,"sreel%d", x); // out new scrolling reels are called 'sreel'
// normalize the value
int sreelpos = (reelpos[rno] * 0x10000) / stepper_get_max(rno);
output_set_value(rg,sreelpos);
// if the reel isn't configured don't do this, otherwise you'll get DIV0
if (stepper_get_max(rno))
{
sprintf(rg,"sreel%d", x); // our new scrolling reels are called 'sreel'
// normalize the value
int sreelpos = (reelpos[rno] * 0x10000) / stepper_get_max(rno);
output_set_value(rg,sreelpos);
}
}
}