ppu: Do not double render height unless in interlacing mode

libretro · Aug 4, 2024 · df1ff72 · df1ff72
1 parent e285c58
commit df1ff72
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/bsnes/sfc/ppu/ppu.cpp b/bsnes/sfc/ppu/ppu.cpp
@@ -196,7 +196,7 @@ auto PPU::refresh() -> void {
   auto output = this->output;
   auto pitch  = 512;
   auto width  = 512;
-  auto height = 480;
+  auto height = ppu.display.interlace ? 480 : 240;
   if(configuration.video.blurEmulation) {
     for(uint y : range(height)) {
       auto data = output + y * pitch;

diff --git a/bsnes/sfc/ppu/screen.cpp b/bsnes/sfc/ppu/screen.cpp
@@ -1,7 +1,7 @@
 auto PPU::Screen::scanline() -> void {
   auto y = ppu.vcounter() + (!ppu.display.overscan ? 7 : 0);
 
-  lineA = ppu.output + y * 1024;
+  lineA = ppu.output + y * (ppu.display.interlace ? 1024 : 512);
   lineB = lineA + (ppu.display.interlace ? 0 : 512);
   if(ppu.display.interlace && ppu.field()) lineA += 512, lineB += 512;