From 582def5b32b23fc127fab9b681ca703567d19720 Mon Sep 17 00:00:00 2001
From: Zane Kaminski <zanekaminski@gmail.com>
Date: Tue, 8 Oct 2024 07:32:06 -0400
Subject: [PATCH] Gate writes to motherboard RAM/ROM into reads.

---
 cpld/IOBS.v | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cpld/IOBS.v b/cpld/IOBS.v
index 7d9cafa..58a15f8 100644
--- a/cpld/IOBS.v
+++ b/cpld/IOBS.v
@@ -51,7 +51,7 @@ module IOBS(
 		// I/O selected, and FIFO secondary level empty
 		if (BACT && IOPWCS && !ALE1 && !Sent && TS!=0) begin
 			// Latch R/W now but latch address and LDS/UDS next cycle
-			IORW1 <= nWE;
+			IORW1 <= nWE || !IORealCS;
 			Load1 <= 1;
 		end else Load1 <= 0;
 	end
@@ -87,7 +87,7 @@ module IOBS(
 				IOL0 <= IOL1;
 				IOU0 <= IOU1;
 			end else begin // FSB request
-				IORW <= nWE;
+				IORW <= nWE || !IORealCS;
 				IOL0 <= !nLDS;
 				IOU0 <= !nUDS;
 			end