From c03eb54103f9535120805de6e2175b6a07f6b720 Mon Sep 17 00:00:00 2001
From: tomcw <tomcw@users.noreply.github.com>
Date: Mon, 22 Jul 2019 19:32:25 +0100
Subject: [PATCH] WOZ: Extended latch delay for 'Wizardry III' and 'Space Quest
 I' copy-protection (#662, #669)

---
 source/Disk.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/source/Disk.cpp b/source/Disk.cpp
index 7a79506e..4ac08a95 100644
--- a/source/Disk.cpp
+++ b/source/Disk.cpp
@@ -1151,8 +1151,7 @@ void __stdcall Disk2InterfaceCard::ReadWriteWOZ(WORD pc, WORD addr, BYTE bWrite,
 				}
 				else // m_shiftReg==0
 				{
-					if (m_latchDelay == 0)
-						m_latchDelay = 4;	// extend for another 4us
+					m_latchDelay += 4;	// extend by 4us (so 7us again) - GH#662
 
 					m_dbgLatchDelayedCnt++;
 #if LOG_DISK_NIBBLES_READ