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no sparkles after all, prev avg commit whatsnew report should be ignored

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This commit is contained in:
Michaël Banaan Ananas 2010-05-19 11:29:12 +00:00
parent 728e00bc44
commit 0ed9039b08
1 changed files with 3 additions and 14 deletions
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17
src/mame/video/avgdvg.c
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@ -834,16 +834,12 @@ static int tempest_strobe2(vgdata *vg)
{ {
if ((OP2 == 0) && (vg->dvy12 == 0)) if ((OP2 == 0) && (vg->dvy12 == 0))
{ {
/* Contrary to previous documentation in MAME,
Tempest does not have the vg->enspkl bit. */
if (vg->dvy & 0x800) if (vg->dvy & 0x800)
{
vg->color = vg->dvy & 0xf; vg->color = vg->dvy & 0xf;
vg->enspkl = 0;
}
else else
{
vg->intensity = (vg->dvy >> 4) & 0xf; vg->intensity = (vg->dvy >> 4) & 0xf;
vg->enspkl = 1;
}
} }
return avg_common_strobe2(vg); return avg_common_strobe2(vg);
@ -966,14 +962,7 @@ static int tempest_strobe3(vgdata *vg)
if ((vg->op & 5) == 0) if ((vg->op & 5) == 0)
{ {
if (vg->enspkl) data = tempest_colorram[vg->color];
{
/* exact pseudorandom sparkle generation is unknown */
data = mame_rand(vg->machine) & 0xf;
}
else
data = tempest_colorram[vg->color];
bit3 = (~data >> 3) & 1; bit3 = (~data >> 3) & 1;
bit2 = (~data >> 2) & 1; bit2 = (~data >> 2) & 1;
bit1 = (~data >> 1) & 1; bit1 = (~data >> 1) & 1;