From: kub <derkub@gmail.com>
Date: Fri, 22 May 2020 21:14:52 +0000 (+0200)
Subject: vdp rendering, bugfix for overlapping high prio sprites
X-Git-Tag: v2.00~734
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6badfabe35d626a2191db893542a3613101123d0;p=picodrive.git

vdp rendering, bugfix for overlapping high prio sprites
---

diff --git a/pico/draw.c b/pico/draw.c
index 8bf73e79..668a1246 100644
--- a/pico/draw.c
+++ b/pico/draw.c
@@ -1011,12 +1011,12 @@ static void DrawSpritesHiAS(unsigned char *sprited, int sh)
     delta<<=4; // Delta of address
 
     if (entry+1 == cnt) width = p[entry+1]; // last sprite width limited?
+    while (sx <= 0 && width) width--, sx+=8, tile+=delta; // Offscreen
     mp = mb+(sx>>3);
-    for (m = *mp; width; width--, sx+=8, *mp++ = m, m >>= 8, tile+=delta)
+    for (m = *mp; width; width--, sx+=8, tile+=delta, *mp++ = m, m >>= 8)
     {
       unsigned int pack;
 
-      if(sx<=0)   continue;
       if(sx>=328) break; // Offscreen
 
       pack = *(unsigned int *)(PicoMem.vram + (tile & 0x7fff));
@@ -1244,12 +1244,12 @@ static void DrawSpritesForced(unsigned char *sprited)
     delta<<=4; // Delta of address
 
     if (entry+1 == cnt) width = p[entry+1]; // last sprite width limited?
+    while (sx <= 0 && width) width--, sx+=8, tile+=delta; // Offscreen
     mp = mb+(sx>>3);
-    for (m = *mp; width; width--, sx+=8, *mp++ = m, m >>= 8, tile+=delta)
+    for (m = *mp; width; width--, sx+=8, tile+=delta, *mp++ = m, m >>= 8)
     {
       unsigned int pack;
 
-      if(sx<=0)   continue;
       if(sx>=328) break; // Offscreen
 
       pack = *(unsigned int *)(PicoMem.vram + (tile & 0x7fff));