From 7e2fdcb2f3378827b1286e8d7ee5290303e71d6b Mon Sep 17 00:00:00 2001
From: Michael Pavone <pavone@retrodev.com>
Date: Sat, 16 May 2015 23:04:57 -0700
Subject: 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

---
 vdp.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'vdp.h')

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
-- 
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