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cybrcycc sprites look ok now

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This commit is contained in:
Michaël Banaan Ananas 2011-10-05 21:32:18 +00:00
parent 5b5f656e40
commit 887b1cfef4
1 changed files with 21 additions and 25 deletions
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46
src/mame/video/namcos22.c
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@ -16,7 +16,7 @@
* + xy offset
* + clipping to window (eg. timecris)
* + eliminate garbage in airco22b
* + y doublesize/scaling feature? (cybrcycc)
* + find out which reg/bit controls y_lowres (only used in cybrcycc?)
*
* - lots of smaller issues
*
@ -1267,7 +1267,8 @@ DrawSpritesHelper(
int num_sprites,
int enable,
int deltax,
int deltay )
int deltay,
int y_lowres )
{
int i;
num_sprites--;
@ -1334,6 +1335,12 @@ DrawSpritesHelper(
sizex = -sizex;
}
if (y_lowres)
{
sizey *= 2;
ypos *= 2;
}
if (sizex && sizey)
{
struct SceneNode *node = NewSceneNode(machine, zcoord, eSCENENODE_SPRITE);
@ -1460,6 +1467,14 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
...
*/
// y-resolution, where is this bit?
// the only game that uses y_lowres is cybrcycc, and unfortunately doesn't have a video test in service mode
int y_lowres = 0;
if (state->m_gametype == NAMCOS22_CYBER_CYCLES)
{
y_lowres = 1;
}
// xy offs, prelim!
int deltax=spriteram32[5]>>16; // usually 0x280
int deltay=spriteram32[6]>>16; // usually 0x32a
@ -1482,7 +1497,7 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
case NAMCOS22_CYBER_CYCLES:
// approx (not enough testdata)
deltax = 0x280;
deltay = 0x390; // minimap sprites y-pos is still very wrong, probably related to y-scaling - spriteram32[3]>>16 is 0x400
deltay = 0x415; // spriteram32[3]>>16 is 0x400, 0x02a / 2 = 0x015
break;
case NAMCOS22_TOKYO_WARS:
@ -1498,25 +1513,6 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
break;
}
// previous xy implementation
#if 0
deltax=spriteram32[5]>>16;
deltay=spriteram32[6]>>16;
/* HACK for Tokyo Wars */
if (deltax == 0 && deltay == 0)
{
deltax = 190;
deltay = 250;
}
if( spriteram32[0x14/4] == 0x000002ff &&
spriteram32[0x18/4] == 0x000007ff )
{ /* HACK (fixes alpine racer and self test) */
deltax = 48;
deltay = 43;
}
#endif
int base = spriteram32[0] & 0xffff; // alpinesa/alpinr2b
int num_sprites = (spriteram32[1]>>16) - base;
@ -1532,7 +1528,7 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
{
pSource = &spriteram32[0x04000/4 + base*4];
pPal = &spriteram32[0x20000/4 + base*2];
DrawSpritesHelper( machine, bitmap, cliprect, pSource, pPal, num_sprites, (enable&4)<<24, deltax, deltay );
DrawSpritesHelper( machine, bitmap, cliprect, pSource, pPal, num_sprites, (enable&4)<<24, deltax, deltay, y_lowres );
}
/* VICS RAM provides two additional banks (also many unknown regs here) */
@ -1557,7 +1553,7 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
{
pSource = &state->m_vics_data[(state->m_vics_control[0x68/4]&0xffff)/4];
pPal = &state->m_vics_data[(state->m_vics_control[0x78/4]&0xffff)/4];
DrawSpritesHelper( machine, bitmap, cliprect, pSource, pPal, num_sprites, (enable&4)<<24, deltax, deltay );
DrawSpritesHelper( machine, bitmap, cliprect, pSource, pPal, num_sprites, (enable&4)<<24, deltax, deltay, y_lowres );
}
num_sprites = state->m_vics_control[0x40/4] >> 4 & 0x1ff; // no +1
@ -1565,7 +1561,7 @@ DrawSprites( running_machine &machine, bitmap_t *bitmap, const rectangle *clipre
{
pSource = &state->m_vics_data[(state->m_vics_control[0x48/4]&0xffff)/4];
pPal = &state->m_vics_data[(state->m_vics_control[0x58/4]&0xffff)/4];
DrawSpritesHelper( machine, bitmap, cliprect, pSource, pPal, num_sprites, (enable&4)<<24, deltax, deltay );
DrawSpritesHelper( machine, bitmap, cliprect, pSource, pPal, num_sprites, (enable&4)<<24, deltax, deltay, y_lowres );
}
} /* DrawSprites */