diff --git a/libavcodec/cdgraphics.c b/libavcodec/cdgraphics.c index 21de07effb..631c415124 100644 --- a/libavcodec/cdgraphics.c +++ b/libavcodec/cdgraphics.c @@ -218,7 +218,7 @@ static void cdg_scroll(CDGraphicsContext *cc, uint8_t *data, vscmd = (data[2] & 0x30) >> 4; h_off = FFMIN(data[1] & 0x07, CDG_BORDER_WIDTH - 1); - v_off = FFMIN(data[2] & 0x07, CDG_BORDER_HEIGHT - 1); + v_off = FFMIN(data[2] & 0x0F, CDG_BORDER_HEIGHT - 1); /// find the difference and save the offset for cdg_tile_block usage hinc = h_off - cc->hscroll;