From 2c458c30f1162e318110f23d3ffff8f2c68c6ba5 Mon Sep 17 00:00:00 2001
From: Barry Harris <44396066+barry65536@users.noreply.github.com>
Date: Thu, 6 Dec 2012 20:51:15 +0000
Subject: [PATCH] kodb sprite improvement

---
 src/burn/drv/capcom/cps_obj.cpp | 9 +++------
 src/burn/drv/capcom/d_cps1.cpp  | 4 ++++
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/burn/drv/capcom/cps_obj.cpp b/src/burn/drv/capcom/cps_obj.cpp
index 8142f2673..03f7dec20 100644
--- a/src/burn/drv/capcom/cps_obj.cpp
+++ b/src/burn/drv/capcom/cps_obj.cpp
@@ -469,12 +469,7 @@ INT32 KodbObjGet()
 	pof->nShiftX = -0x40;
 	pof->nShiftY = -0x10;
 
-	// needs to alternate between the two sprite ram areas to achieve flashing
-	INT32 nOff = BURN_ENDIAN_SWAP_INT16(*((UINT16*)(CpsRamFF + 0x1256))) << 8;
-	nOff &= 0xffff;
-	nOff += 0x1140;
-
-	Get = CpsRam90 + nOff;
+	Get = CpsBootlegSpriteRam + 0x1000;
 	
 	if (Get==NULL) return 1;
 
@@ -510,6 +505,8 @@ INT32 KodbObjGet()
 	if (nGetNext >= nFrameCount) {
 		nGetNext = 0;
 	}
+	
+	memset(CpsBootlegSpriteRam, 0, 0x3000);
 
 	return 0;
 }
diff --git a/src/burn/drv/capcom/d_cps1.cpp b/src/burn/drv/capcom/d_cps1.cpp
index 80e2105ab..de90d54f6 100644
--- a/src/burn/drv/capcom/d_cps1.cpp
+++ b/src/burn/drv/capcom/d_cps1.cpp
@@ -12414,7 +12414,11 @@ static INT32 KodbInit()
 	
 	nRet = DrvInit();
 	
+	CpsBootlegSpriteRam = (UINT8*)BurnMalloc(0x3000);
+	
 	SekOpen(0);
+	SekMapMemory(CpsBootlegSpriteRam, 0x900000, 0x902fff, SM_RAM);
+	SekMapMemory(CpsBootlegSpriteRam, 0x904000, 0x906fff, SM_RAM);
 	SekMapHandler(1, 0x980000, 0x99ffff, SM_WRITE);
 	SekSetWriteByteHandler(1, Kodb98WriteByte);
 	SekSetWriteWordHandler(1, Kodb98WriteWord);