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Small addendum of the previous update (and yes, this HW cannot do per-sprite bpp switch but can do per-sprite mosaic)

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Angelo Salese 2009-11-26 00:46:33 +00:00
parent 72954ce864
commit 81b88a907c
1 changed files with 6 additions and 2 deletions
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8
src/mame/video/hng64.c
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@ -123,13 +123,14 @@ static struct polygon *polys ;
* 1 | YYYY YYYY YYYY YYYY XXXX XXXX XXXX XXXX | x/y zoom (*) * 1 | YYYY YYYY YYYY YYYY XXXX XXXX XXXX XXXX | x/y zoom (*)
* 2 | ---- -zzz zzzz zzzz ---- ---I cccc CCCC | Z-buffer value, 'Inline' chain flag, x/y chain * 2 | ---- -zzz zzzz zzzz ---- ---I cccc CCCC | Z-buffer value, 'Inline' chain flag, x/y chain
* 3 | ---- ---- pppp pppp ---- ---- ---- ---- | palette entry * 3 | ---- ---- pppp pppp ---- ---- ---- ---- | palette entry
* 4 | ---- --fF a??? tttt tttt tttt tttt tttt | flip bits, additive blending, unknown (**), tile number * 4 | mmmm -?fF a??? tttt tttt tttt tttt tttt | mosaic, unknown (**) , flip bits, additive blending, unknown (***), tile number
* 5 | ---- ---- ---- ---- ---- ---- ---- ---- | not used ?? * 5 | ---- ---- ---- ---- ---- ---- ---- ---- | not used ??
* 6 | ---- ---- ---- ---- ---- ---- ---- ---- | not used ?? * 6 | ---- ---- ---- ---- ---- ---- ---- ---- | not used ??
* 7 | ---- ---- ---- ---- ---- ---- ---- ---- | not used ?? * 7 | ---- ---- ---- ---- ---- ---- ---- ---- | not used ??
* *
* (*) Fatal Fury WA standard elements are 0x1000-0x1000, all the other games sets 0x100-0x100, related to the bit 27 of sprite regs 0? * (*) Fatal Fury WA standard elements are 0x1000-0x1000, all the other games sets 0x100-0x100, related to the bit 27 of sprite regs 0?
* (**) bit 22 is setted on some Fatal Fury WA snow (not all of them), bit 21 is setted on Xrally how to play elements in attract mode * (**) setted by black squares in ranking screen in Samurai Shodown 64 1, sprite disable?
* (***) bit 22 is setted on some Fatal Fury WA snow (not all of them), bit 21 is setted on Xrally how to play elements in attract mode
* *
* Sprite Global Registers * Sprite Global Registers
* ----------------------- * -----------------------
@ -205,6 +206,9 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
xflip=(source[4]&0x02000000)>>25; xflip=(source[4]&0x02000000)>>25;
yflip=(source[4]&0x01000000)>>24; yflip=(source[4]&0x01000000)>>24;
if(source[4]&0xf0000000)
printf("%08x\n",source[4]);
// if (!(source[4] == 0x00000000 || source[4] == 0x000000aa)) // if (!(source[4] == 0x00000000 || source[4] == 0x000000aa))
// mame_printf_debug("unknown : %.8x %.8x %.8x %.8x %.8x %.8x %.8x %.8x \n", source[0], source[1], source[2], source[3], // mame_printf_debug("unknown : %.8x %.8x %.8x %.8x %.8x %.8x %.8x %.8x \n", source[0], source[1], source[2], source[3],
// source[4], source[5], source[6], source[7]) ; // source[4], source[5], source[6], source[7]) ;