X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fmode4.c;h=a13c38b0d68d947726e274fd970be4551ab586e5;hb=1c25c32c114f8cb76674287d2c85ee5677bfacf7;hp=0f3d766b026d224384f545c840caa4e99b51c3ca;hpb=7669591e0876778fc4f3977b145c012f2e3a12e9;p=picodrive.git

diff --git a/pico/mode4.c b/pico/mode4.c
index 0f3d766..a13c38b 100644
--- a/pico/mode4.c
+++ b/pico/mode4.c
@@ -91,7 +91,7 @@ static void draw_sprites(int scanline)
   }
   sprite_base = (pv->reg[6] & 4) << (13-2-1);
 
-  for (i = s = 0; i < 64 && s < 8; i++)
+  for (i = s = 0; i < 64; i++)
   {
     int y;
     y = sat[i] + 1;
@@ -99,6 +99,10 @@ static void draw_sprites(int scanline)
       break;
     if (y + h <= scanline || scanline < y)
       continue; // not on this line
+    if (s >= 8) {
+      pv->status |= SR_SOVR;
+      break;
+    }
 
     sprites_x[s] = xoff + sat[0x80 + i*2];
     sprites_addr[s] = sprite_base + ((sat[0x80 + i*2 + 1] & addr_mask) << (5-1)) +
@@ -106,6 +110,10 @@ static void draw_sprites(int scanline)
     s++;
   }
 
+  // really half-assed but better than nothing
+  if (s > 1)
+    pv->status |= SR_C;
+
   // now draw all sprites backwards
   for (--s; s >= 0; s--)
     TileNormM4(sprites_x[s], sprites_addr[s], 0x10);
@@ -300,3 +308,4 @@ void PicoDrawSetOutputMode4(pdso_t which)
   }
 }
 
+// vim:shiftwidth=2:ts=2:expandtab