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vdp rendering, fix sprite masking and interlace layer priority

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This commit is contained in:
kub 2020-09-21 18:10:35 +02:00
parent 6bfa97ff78
commit 8e4ab3c62c
1 changed files with 3 additions and 3 deletions
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6
pico/draw.c
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@ -418,7 +418,6 @@ void DrawStripInterlace(struct TileStrip *ts, int plane_sh)
unsigned int pack; unsigned int pack;
code = PicoMem.vram[ts->nametab + (tilex & ts->xmask)]; code = PicoMem.vram[ts->nametab + (tilex & ts->xmask)];
if (code==blank) continue;
if (code>>15) { // high priority tile if (code>>15) { // high priority tile
int cval = (code&0xfc00) | (dx<<16) | (ty<<25); int cval = (code&0xfc00) | (dx<<16) | (ty<<25);
cval|=(code&0x3ff)<<1; cval|=(code&0x3ff)<<1;
@ -426,6 +425,7 @@ void DrawStripInterlace(struct TileStrip *ts, int plane_sh)
*ts->hc++ = cval; // cache it *ts->hc++ = cval; // cache it
continue; continue;
} }
if (code==blank) continue;
if (code!=oldcode) { if (code!=oldcode) {
oldcode = code; oldcode = code;
@ -1358,7 +1358,7 @@ static NOINLINE void PrepareSprites(int max_lines)
unsigned char *p = &HighLnSpr[y][0]; unsigned char *p = &HighLnSpr[y][0];
int cnt = p[0]; int cnt = p[0];
if (p[3] >= max_line_sprites) continue; // sprite limit? if (p[3] >= max_line_sprites) continue; // sprite limit?
if ((p[1] & SPRL_MASKED) && !(entry & 0x80)) continue; // masked? if (p[1] & SPRL_MASKED) continue; // masked?
w = width; w = width;
if (p[2] + width > max_line_sprites*2) { // tile limit? if (p[2] + width > max_line_sprites*2) { // tile limit?
@ -1371,7 +1371,7 @@ static NOINLINE void PrepareSprites(int max_lines)
if (sx == -0x78) { if (sx == -0x78) {
if (p[1] & (SPRL_HAVE_X|SPRL_TILE_OVFL)) if (p[1] & (SPRL_HAVE_X|SPRL_TILE_OVFL))
p[1] |= SPRL_MASKED; // masked, no more low sprites for this line p[1] |= SPRL_MASKED; // masked, no more sprites for this line
if (!(p[1] & SPRL_HAVE_X) && cnt == 0) if (!(p[1] & SPRL_HAVE_X) && cnt == 0)
p[1] |= SPRL_HAVE_MASK0; // 1st sprite is masking p[1] |= SPRL_HAVE_MASK0; // 1st sprite is masking
} else } else