The vertical offset mask 0x07 is suspicious.
v_off = FFMIN(data[2] & 0x07, CDG_BORDER_HEIGHT - 1);
Note that v_off is up to 11 (CDG_BORDER_HEIGHT - 1), the correct mask
should be 0x0F.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Anton Khirnov <anton@khirnov.net>
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;