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fixed cpx and cpy when a ptn or a agcpy command is executed

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This commit is contained in:
Roberto Zandona 2008-08-19 15:09:54 +00:00
parent 15969c0428
commit cc9883d312
1 changed files with 95 additions and 5 deletions
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100
src/mame/video/hd63484.c
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@ -1104,18 +1104,108 @@ logerror("unsupported register\n");
}
else if ((fifo[0] & 0xf000) == 0xd000) /* PTN (to do) */
{
// if ((fifo[0] & 0x0700) == 0x0400) printf("4");
ptn(fifo[0] & 0x0007,psx,psy,pex - psx,pey - psy);
cpx += pex - psx;
cpy += pey - psy;
if ((fifo[0] & 0x0800) == 0x0000)
switch (fifo[0] & 0x0700)
{
case 0x0000:
if ((pey - psy) > 0)
cpy += (pey - psy);
else
cpy -= (pey - psy);
break;
case 0x0100:
// missing
break;
case 0x0200:
if ((pey - psy) > 0)
cpx += (pey - psy);
else
cpx -= (pey - psy);
break;
case 0x0300:
// missing
break;
case 0x0400:
if ((pey - psy) > 0)
cpy -= (pey - psy);
else
cpy += (pey - psy);
break;
case 0x0500:
// missing
break;
case 0x0600:
if ((pey - psy) > 0)
cpx -= (pey - psy);
else
cpx += (pey - psy);
break;
case 0x0700:
// missing
break;
}
else
{
// missing
}
}
else if ((fifo[0] & 0xf0f8) == 0xe000) /* AGCPY */
{
agcpy(fifo[0],fifo[1],fifo[2],cpx,cpy,fifo[3],fifo[4]);
cpx += fifo[4];
cpy += fifo[3];
switch (fifo[0] & 0x0700)
{
case 0x0000:
if (fifo[4] > 0)
cpy += fifo[4];
else
cpy -= fifo[4];
break;
case 0x0100:
if (fifo[4] > 0)
cpy -= fifo[4];
else
cpy += fifo[4];
break;
case 0x0200:
if (fifo[4] > 0)
cpy += fifo[4];
else
cpy -= fifo[4];
break;
case 0x0300:
if (fifo[4] > 0)
cpy -= fifo[4];
else
cpy += fifo[4];
break;
case 0x0400:
if (fifo[3] > 0)
cpx += fifo[3];
else
cpx -= fifo[3];
break;
case 0x0500:
if (fifo[3] > 0)
cpx += fifo[3];
else
cpx -= fifo[3];
break;
case 0x0600:
if (fifo[3] > 0)
cpx -= fifo[3];
else
cpx += fifo[3];
break;
case 0x0700:
if (fifo[3] > 0)
cpx -= fifo[3];
else
cpx += fifo[3];
break;
}
}
else
{