RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

vdp rendering, tiny improvement

Browse source
This commit is contained in:
kub 2020-03-03 20:36:55 +01:00
parent c1d0377e48
commit 2a2b4e7e88
1 changed files with 1 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

7
pico/draw.c
View file

@ -636,19 +636,14 @@ static void DrawTilesFromCache(int *hc, int sh, int rlim, struct PicoEState *est
if (!sh)
{
int blank=-1; // The tile we know is blank
while ((code=*hc++)) {
if ((code<<16|code>>25) == blank)
continue;
// Get tile address/2:
addr = (code & 0x7ff) << 4;
addr += code >> 25; // y offset into tile
pack = *(unsigned int *)(PicoMem.vram + addr);
if (!pack) {
blank = code<<16|code>>25;
if (!pack)
continue;
}
dx = (code >> 16) & 0x1ff;
pal = ((code >> 9) & 0x30);