From cf4bbca043e8f0ff82cdb2783c9add987a72e5a6 Mon Sep 17 00:00:00 2001
From: retro-wertz <retro-wertz@users.noreply.github.com>
Date: Mon, 6 Nov 2017 21:21:45 +0800
Subject: [PATCH] Fix initial scanline option issue ...

... wherein setting "Initial Scanline" core options removes bottom pixels instead.

reference issue:
https://github.com/libretro/beetle-saturn-libretro/issues/7
---
 libretro.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libretro.cpp b/libretro.cpp
index 5f34e7db..c17d8e37 100644
--- a/libretro.cpp
+++ b/libretro.cpp
@@ -3074,7 +3074,7 @@ void retro_run(void)
    video_frames++;
    audio_frames += spec.SoundBufSize;
 
-   video_cb(surf->pixels, width, height, 704 * sizeof(uint32_t));
+   video_cb(surf->pixels + surf->pitchinpix * spec.DisplayRect.y, width, height, 704 * sizeof(uint32_t));
 
    int16_t *interbuf = (int16_t*)&IBuffer;