From 8c94de0be13a9cf5d85340feccb1af99c7aa6369 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Thu, 6 Jul 2023 20:33:23 +0200
Subject: [PATCH] Disabled register EE reads and writes on the VLSI VL82C480
 chipset.

---
 src/chipset/vl82c480.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/chipset/vl82c480.c b/src/chipset/vl82c480.c
index c1716469e..055d91183 100644
--- a/src/chipset/vl82c480.c
+++ b/src/chipset/vl82c480.c
@@ -121,10 +121,13 @@ vl82c480_write(uint16_t addr, uint8_t val, void *priv)
             }
             break;
 
+/* TODO: This is actually Fast A20 disable. */
+#if 0
         case 0xee:
             if (mem_a20_alt)
                 outb(0x92, inb(0x92) & ~2);
             break;
+#endif
 
         default:
             break;
@@ -146,10 +149,13 @@ vl82c480_read(uint16_t addr, void *priv)
             ret = dev->regs[dev->idx];
             break;
 
+/* TODO: This is actually Fast A20 enable. */
+#if 0
         case 0xee:
             if (!mem_a20_alt)
                 outb(0x92, inb(0x92) | 2);
             break;
+#endif
 
         case 0xef:
             softresetx86();