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Fix missing sprites on edges, nw

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This commit is contained in:
angelosa 2016-06-01 00:26:58 +02:00
parent c2e3cfaca7
commit 1c6b2232ef
1 changed files with 5 additions and 5 deletions
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8
src/mame/drivers/metlfrzr.cpp
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@ -65,7 +65,7 @@ void metlfrzr_state::video_start()
/*
- video regs format:
[0x06] ---- --x- used during title screen transition, unknown purpose
[0x06] ---- ---x X scrolling 9th bit
[0x06] ---- ---x X scrolling 8th bit
[0x15] always 0?
[0x16] always 0?
[0x17] xxxx xxxx X scrolling base value
@ -112,7 +112,7 @@ void metlfrzr_state::legacy_bg_draw(bitmap_ind16 &bitmap,const rectangle &clipre
Sprite seems to traverse from top to bottom priority-wise, other than that format is almost 1:1 with darkmist.cpp.
sprite format:
[0] tttt tttt tile number
[1] x--- ---- if 1 sprite is disabled
[1] x--- ---- X 8th bit
[1] -ttt ---- tile bank
[1] ---- cccc palette number
[2] yyyy yyyy Y offset
@ -127,8 +127,6 @@ void metlfrzr_state::legacy_obj_draw(bitmap_ind16 &bitmap,const rectangle &clipr
for(count=0x200-4;count>-1;count-=4)
{
if(base_spriteram[count+1] & 0x80)
continue;
gfx_element *cur_gfx = base_spriteram[count+1] & 0x40 ? gfx_3 : gfx_2;
UINT8 tile_bank = (base_spriteram[count+1] & 0x30) >> 4;
@ -136,6 +134,8 @@ void metlfrzr_state::legacy_obj_draw(bitmap_ind16 &bitmap,const rectangle &clipr
UINT8 color = base_spriteram[count+1] & 0xf;
int y = base_spriteram[count+2];
int x = base_spriteram[count+3];
if(base_spriteram[count+1] & 0x80)
x-=256;
cur_gfx->transpen(bitmap,cliprect,tile,color,0,0,x,y,0xf);
}