From 24936efb4e1d4be40867ed4d885fd6c6770d5870 Mon Sep 17 00:00:00 2001
From: "SND\\shalma_cp" <SND\shalma_cp@e17a0e51-4ae3-4d35-97c3-1a29b211df97>
Date: Fri, 5 Nov 2010 01:22:48 +0000
Subject: Ape Escape - cdrom.c - detect 0 dma size transfers - fixes boot

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@59189 e17a0e51-4ae3-4d35-97c3-1a29b211df97
---
 libpcsxcore/cdrom.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/libpcsxcore/cdrom.c b/libpcsxcore/cdrom.c
index cec02b57..d3b83b01 100644
--- a/libpcsxcore/cdrom.c
+++ b/libpcsxcore/cdrom.c
@@ -1824,6 +1824,18 @@ void psxDma3(u32 madr, u32 bcr, u32 chcr) {
 
 			cdsize = (bcr & 0xffff) * 4;
 
+			// Ape Escape: bcr = 0001 / 0000
+			// - fix boot
+			if( cdsize == 0 )
+			{
+				switch (cdr.Mode & 0x30) {
+					case 0x00: cdsize = 2048; break;
+					case 0x10: cdsize = 2328; break;
+					case 0x20: cdsize = 2340; break;
+				}
+			}
+
+
 			ptr = (u8 *)PSXM(madr);
 			if (ptr == NULL) {
 #ifdef CPU_LOG
-- 
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