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taitojc: fix landgear crash, game now enters attract mode [R. Belmont]

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R. Belmont 2010-03-13 19:36:47 +00:00
parent af14594f2c
commit 4cac1ecf50
1 changed files with 9 additions and 1 deletions
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10
src/mame/video/taitojc.c
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@ -323,9 +323,17 @@ static void render_shade_scan(void *dest, INT32 scanline, const poly_extent *ext
float dz = extent->param[0].dpdx; float dz = extent->param[0].dpdx;
float dcolor = extent->param[1].dpdx; float dcolor = extent->param[1].dpdx;
UINT16 *fb = BITMAP_ADDR16(destmap, scanline, 0); UINT16 *fb = BITMAP_ADDR16(destmap, scanline, 0);
UINT16 *zb = BITMAP_ADDR16(extra->zbuffer, scanline, 0); UINT16 *zb;
int x; int x;
// avoid crash in landgear/dangcurv
if (!extra->zbuffer)
{
return;
}
zb = BITMAP_ADDR16(extra->zbuffer, scanline, 0);
for (x = extent->startx; x < extent->stopx; x++) for (x = extent->startx; x < extent->stopx; x++)
{ {
int ic = (int)color & 0xffff; int ic = (int)color & 0xffff;