From b4ac71c3b9d1ad5232470b052786cd6ddcfee19c Mon Sep 17 00:00:00 2001
From: Neil Webber <neil@webber.com>
Date: Wed, 23 Oct 2024 11:43:59 -0500
Subject: [PATCH] In one of those "how did this ever work?" situations...
 correct the mapping of the I/O page in u64mapped_pdp()

The reason it ever 'worked' is that no test that used u64mapped_pdp made
use of anything in the I/O page...
---
 pdptests.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdptests.py b/pdptests.py
index 4f5828e..023ba49 100644
--- a/pdptests.py
+++ b/pdptests.py
@@ -222,7 +222,7 @@ class TestMethods(unittest.TestCase):
             a.mov((i * 8192) >> 6, '(r4)+')
 
         # kernel seg 7 to I/O page
-        a.mov(0o776000 >> 6, '(r4)')
+        a.mov(0o760000 >> 6, '(r4)')
 
         # user segs 0 .. 7 to physical 64K .. 128K
         a.mov(cn.UISA0, 'r4')