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hng64 improvements

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documented + hooked up 4bpp/8bpp select on layers.
This commit is contained in:
davidhay 2009-04-27 07:47:25 +00:00
parent a8583531fd
commit c25178dfe6
1 changed files with 67 additions and 20 deletions
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87
src/mame/video/hng64.c
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@ -950,6 +950,7 @@ static void draw3d(running_machine *machine, bitmap_t *bitmap, const rectangle *
/* 8x8x4bpp layer */
static TILE_GET_INFO( get_hng64_tile0_info )
{
UINT16 tilemapinfo = (hng64_videoregs[0x02]&0xffff0000)>>16;
int tileno,pal;
tileno = hng64_videoram[tile_index];
pal = hng64_videoram[tile_index]>>24;
@ -958,18 +959,23 @@ static TILE_GET_INFO( get_hng64_tile0_info )
{
tileno = (tileno & hng64_videoregs[0x0b]) | hng64_videoregs[0x0c];
}
tileno &= 0x1fffff;
SET_TILE_INFO(0,tileno, pal,TILE_FLIPYX((tileno&0xc00000)>>22));
// beast busters requires this (8x8x8)
// SET_TILE_INFO(1,(tileno&0x3fffff)>>1,pal>>4,TILE_FLIPYX((tileno&0xc00000)>>22));
if (tilemapinfo&0x400)
{
SET_TILE_INFO(1,tileno>>1,pal>>4,TILE_FLIPYX((tileno&0xc00000)>>22));
}
else
{
SET_TILE_INFO(0,tileno, pal,TILE_FLIPYX((tileno&0xc00000)>>22));
}
}
/* 16x16 tiles, 8bpp layer */
static TILE_GET_INFO( get_hng64_tile1_info )
{
UINT16 tilemapinfo = (hng64_videoregs[0x02]&0x0000ffff)>>0;
int tileno,pal;
tileno = hng64_videoram[tile_index+(0x10000/4)];
pal = hng64_videoram[tile_index+(0x10000/4)]>>24;
@ -978,18 +984,23 @@ static TILE_GET_INFO( get_hng64_tile1_info )
{
tileno = (tileno & hng64_videoregs[0x0b]) | hng64_videoregs[0x0c];
}
tileno &= 0x1fffff;
SET_TILE_INFO(3,tileno>>3,pal>>4, TILE_FLIPYX((tileno&0xc00000)>>22) );
// samurai shodown 64 requires this (16x16x4)
//SET_TILE_INFO(2,(tileno&0x3fffff)>>2,pal, TILE_FLIPYX((tileno&0xc00000)>>22) );
if (tilemapinfo&0x400)
{
SET_TILE_INFO(3,tileno>>3,pal>>4,TILE_FLIPYX((tileno&0xc00000)>>22));
}
else
{
SET_TILE_INFO(2,tileno>>2, pal,TILE_FLIPYX((tileno&0xc00000)>>22));
}
}
/* 16x16 tiles, 8bpp layer */
static TILE_GET_INFO( get_hng64_tile2_info )
{
UINT16 tilemapinfo = (hng64_videoregs[0x03]&0xffff0000)>>16;
int tileno,pal;
tileno = hng64_videoram[tile_index+(0x20000/4)];
pal = hng64_videoram[tile_index+(0x20000/4)]>>24;
@ -998,18 +1009,24 @@ static TILE_GET_INFO( get_hng64_tile2_info )
{
tileno = (tileno & hng64_videoregs[0x0b]) | hng64_videoregs[0x0c];
}
tileno &= 0x1fffff;
SET_TILE_INFO(3,tileno>>3,pal>>4,TILE_FLIPYX((tileno&0xc00000)>>22));
// samurai shodown 64 2 japan warning reuqires this (16x16x4)
//SET_TILE_INFO(2,(tileno&0x3fffff)>>2,pal, TILE_FLIPYX((tileno&0xc00000)>>22) );
if (tilemapinfo&0x400)
{
SET_TILE_INFO(3,tileno>>3,pal>>4,TILE_FLIPYX((tileno&0xc00000)>>22));
}
else
{
SET_TILE_INFO(2,tileno>>2, pal,TILE_FLIPYX((tileno&0xc00000)>>22));
}
}
/* 16x16 tiles, 8bpp layer */
static TILE_GET_INFO( get_hng64_tile3_info )
{
UINT16 tilemapinfo = (hng64_videoregs[0x03]&0x0000ffff)>>0;
int tileno,pal;
tileno = hng64_videoram[tile_index+(0x30000/4)];
pal = hng64_videoram[tile_index+(0x30000/4)]>>24;
@ -1020,8 +1037,15 @@ static TILE_GET_INFO( get_hng64_tile3_info )
}
tileno &= 0x1fffff;
SET_TILE_INFO(3,tileno>>3,pal>>4,TILE_FLIPYX((tileno&0xc00000)>>22));
if (tilemapinfo&0x400)
{
SET_TILE_INFO(3,tileno>>3,pal>>4,TILE_FLIPYX((tileno&0xc00000)>>22));
}
else
{
SET_TILE_INFO(2,tileno>>2, pal,TILE_FLIPYX((tileno&0xc00000)>>22));
}
}
@ -1063,8 +1087,10 @@ static void hng64_drawtilemap( bitmap_t *bitmap, const rectangle *cliprect, int
* 0 | oooooooo | unknown - always seems to be 04060000 (fatfurwa) and 00060000 (buriki)
* 1 | xxxx---- | looks like it's 0001 most (all) of the time - turns off in buriki intro
* 1 | ----oooo | unknown - always seems to be 0000 (fatfurwa)
* 2 | oooooooo | unknown - likes to change sometimes though... (looks like bit-flags)
* 3 | oooooooo | unknown - change a lot - maybe mixer flags?
* 2 | xxxx---- | tilemap0 per layer flags
* 2 | ----xxxx | tilemap1 per layer flags
* 3 | xxxx---- | tilemap2 per layer flags
* 3 | ----xxxx | tilemap3 per layer flags
* 4 | xxxx---- | tilemap0 offset into tilemap RAM?
* 4 | ----xxxx | tilemap1 offset into tilemap RAM
* 5 | xxxx---- | tilemap3 offset into tilemap RAM
@ -1105,6 +1131,7 @@ VIDEO_UPDATE( hng64 )
transition_control(bitmap, cliprect) ;
/*
popmessage("%08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x %08x",
hng64_videoregs[0x00],
hng64_videoregs[0x01],
@ -1121,6 +1148,26 @@ VIDEO_UPDATE( hng64 )
hng64_videoregs[0x0c],
hng64_videoregs[0x0d],
hng64_videoregs[0x0e]);
*/
// tilemap0 per layer flags
// 0840 - startup tests, 8x8x4 layer
// 0cc0 - beast busters 2, 8x8x8 layer
// 0860 - fatal fury wa
// 08e0 - fatal fury wa during transitions
// 0940 - samurai shodown 64
// 0880 - buriki
// ---l rb?? ???? ????
// l = floor effects / linescroll enable (buriki on tilemap1, fatal fury on tilemap3)
// r = tile size?
// b = 4bpp/8bpp ? (beast busters, samsh64, sasm64 2 switch it for some screens)
popmessage("0: %04x 1: %04x 2: %04x 3: %04x\n", (hng64_videoregs[0x02]&0xffff0000)>>16, (hng64_videoregs[0x02]&0x0000ffff)>>0, (hng64_videoregs[0x03]&0xffff0000)>>16, (hng64_videoregs[0x03]&0x0000ffff)>>0);
// mame_printf_debug("FRAME DONE %d\n", frameCount) ;