From 4a7182d9ede90131eaf3aa1f24b61011d387369f Mon Sep 17 00:00:00 2001
From: Lars Brinkhoff <lars@nocrew.org>
Date: Mon, 11 Jan 2021 15:51:08 +0100
Subject: [PATCH] Fix SIMH configuration for GT40.

Set device unit DLO0 to 8-bit mode to ensure keyboard codes are
transmitted.

Set switch register to 0 to get a blinking cursor and roman text.
---
 build/pdp10-ka/gt40 |  6 +++---
 build/simh/gt40     | 20 ++++++++++++++++----
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/build/pdp10-ka/gt40 b/build/pdp10-ka/gt40
index 55760f7a..b5b39509 100644
--- a/build/pdp10-ka/gt40
+++ b/build/pdp10-ka/gt40
@@ -1,5 +1,4 @@
 set cpu 11/05
-set rha disabled
 set lpt disabled
 set dz disabled
 set rk disabled
@@ -16,13 +15,14 @@ set dli enabled
 set dlo enabled
 set dli lines=1
 set dli address=17775610
-set dlo 8b
+set dlo0 8b
 at dli 10005,connect=localhost:10019
-set vt enable
+set vt enabled
 set vt crt=vr14
 set vt scale=1
 set vt address=17772000
 set vt vec=320
+dep sr 0
 set rom enabled
 set rom0 address=17766000
 at rom0 out/pdp10-ka/bootvt.img
diff --git a/build/simh/gt40 b/build/simh/gt40
index a5492431..4d322c1e 100644
--- a/build/simh/gt40
+++ b/build/simh/gt40
@@ -1,17 +1,29 @@
 set cpu 11/05
+set lpt disabled
+set dz disabled
+set rk disabled
+set rl disabled
+set hk disabled
+set rx disabled
+set rp disabled
+set rq disabled
+set tm disabled
+set tq disabled
 set cpu 16k
 set tti 8b
 set dli enabled
 set dlo enabled
 set dli lines=1
 set dli address=17775610
-set dlo 8b
+set dlo0 8b
 at dli 10005,connect=localhost:10004
-set vt enable
+set vt enabled
 set vt crt=vr14
 set vt scale=1
 set vt address=17772000
+set vt vec=320
+dep sr 0
 set rom enabled
 set rom0 address=17766000
-at rom out/simh/bootvt.img
-go 166000
+at rom0 out/simh/bootvt.img
+boot rom0