Multiplying by zero and shifting by zero are very different. Fixes regression in Overdrive 2

1 files changed, 1 insertions, 1 deletions

diff --git a/vdp.c b/vdp.c
index b4c0448..86c4d54 100644
--- a/vdp.c
+++ b/vdp.c
@@ -1160,7 +1160,7 @@ static void read_map_scroll(uint16_t column, uint16_t vsram_off, uint32_t line,
 	vscroll >>= vscroll_shift;
 	//TODO: Verify the behavior for a setting of 2
 	static const uint16_t hscroll_masks[] = {0x1F, 0x3F, 0x1F, 0x7F};
-	static const uint16_t v_shifts[] = {6, 7, 0, 8};
+	static const uint16_t v_shifts[] = {6, 7, 16, 8};
 	uint16_t hscroll_mask = hscroll_masks[context->regs[REG_SCROLL] & 0x3];
 	uint16_t v_shift = v_shifts[context->regs[REG_SCROLL] & 0x3];
 	uint16_t hscroll, offset;