shithub: zelda3

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Old renderer could crash

--- a/snes/ppu.c

+++ b/snes/ppu.c

@@ -189,13 +189,11 @@

       for (int x = 0; x < 256; x++)

         ppu_handlePixel(ppu, x, line);

-      uint8 *dst = ppu->renderBuffer + ((line - 1) * 2 * ppu->renderPitch);

-

+      uint8 *dst = ppu->renderBuffer + ((line - 1) * ppu->renderPitch);

       if (ppu->extraLeftRight != 0) {

-        memset(dst, 0, 2 * sizeof(uint32) * ppu->extraLeftRight);

-        memset(dst + 2 * sizeof(uint32) * (256 + ppu->extraLeftRight), 0, 2 * sizeof(uint32) * ppu->extraLeftRight);

+        memset(dst, 0, sizeof(uint32) * ppu->extraLeftRight);

+        memset(dst + sizeof(uint32) * (256 + ppu->extraLeftRight), 0, sizeof(uint32) * ppu->extraLeftRight);

       }

-      memcpy(dst + ppu->renderPitch, dst, 2 * sizeof(uint32) * (256 + ppu->extraLeftRight * 2));

     }

   }

 }