First pass at emulating a vscroll latch. Titan's Overdrive demo seems to depend on the scroll value being latched early in the line before the HINT gets a chance to change it

1 files changed, 1 insertions, 0 deletions

diff --git a/vdp.h b/vdp.h
index 31bd4e7..7950c38 100644
--- a/vdp.h
+++ b/vdp.h
@@ -143,6 +143,7 @@ typedef struct {
 	uint32_t    colors[CRAM_SIZE*3];
 	uint32_t    debugcolors[1 << (3 + 1 + 1 + 1)];//3 bits for source, 1 bit for priority, 1 bit for shadow, 1 bit for hilight
 	uint16_t    vsram[VSRAM_SIZE];
+	uint16_t    vscroll_latch[2];
 	uint32_t    frame;
 	uint16_t    vcounter;
 	uint16_t    hslot; //hcounter/2