stupid sprite limit bug fixed

[picodrive.git] / Pico / VideoPort.c

diff --git a/Pico/VideoPort.c b/Pico/VideoPort.c
index d027ca3..3663732 100644 (file)
--- a/Pico/VideoPort.c
+++ b/Pico/VideoPort.c
@@ -35,7 +35,9 @@ static void VideoWrite(u16 d)
   {\r
     case 1: if(a&1) d=(u16)((d<<8)|(d>>8)); // If address is odd, bytes are swapped (which game needs this?)\r
             Pico.vram [(a>>1)&0x7fff]=d;\r
-            rendstatus |= PDRAW_DIRTY_SPRITES; break;\r
+            if (a - ((unsigned)(Pico.video.reg[5]&0x7f) << 9) < 0x400)\r
+              rendstatus |= PDRAW_DIRTY_SPRITES;\r
+            break;\r
     case 3: Pico.m.dirtyPal = 1;\r
             Pico.cram [(a>>1)&0x003f]=d; break; // wraps (Desert Strike)\r
     case 5: Pico.vsram[(a>>1)&0x003f]=d; break;\r
@@ -362,7 +364,8 @@ PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d)
           SekCyclesBurn(32); // penalty // 488/12-8\r
           if (SekCycleCnt>=SekCycleAim) SekEndRun(0);\r
         }\r
-        elprintf(EL_ASVDP, "VDP data write: %04x {%i} #%i @ %06x", d, Pico.video.type, pvid->lwrite_cnt, SekPc);\r
+        elprintf(EL_ASVDP, "VDP data write: %04x [%06x] {%i} #%i @ %06x", d, Pico.video.addr,\r
+                 Pico.video.type, pvid->lwrite_cnt, SekPc);\r
       }\r
       VideoWrite(d);\r
     }\r
@@ -408,6 +411,7 @@ PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d)
             update_irq = 1;\r
             break;\r
           case 0x05:\r
+            //elprintf(EL_STATUS, "spritep moved to %04x", (unsigned)(Pico.video.reg[5]&0x7f) << 9);\r
             if (d^dold) rendstatus |= PDRAW_SPRITES_MOVED;\r
             break;\r
           case 0x0c:\r
@@ -486,7 +490,7 @@ PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a)
   {\r
     unsigned int d;\r
     int lineCycles;\r
-    \r
+\r
     lineCycles = (488-SekCyclesLeft)&0x1ff;\r
     if (Pico.video.reg[12]&1)\r
          d = hcounts_40[lineCycles];\r