From 74ba935a0ce944d701adf49e867b294bf2428c0e Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Wed, 11 Oct 2023 18:43:53 +0200
Subject: [PATCH] Further fix the V20/V30 ins() and outs() instructions.

---
 src/cpu/808x.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/cpu/808x.c b/src/cpu/808x.c
index 43927d84d..8f92a1198 100644
--- a/src/cpu/808x.c
+++ b/src/cpu/808x.c
@@ -1960,18 +1960,17 @@ stos(int bits)
 static void
 ins(int bits)
 {
-    cpu_state.eaaddr = DI;
+    cpu_state.eaaddr = DX;
     cpu_io(bits, 0, cpu_state.eaaddr);
-    DI = string_increment(bits);
+    stos(bits);
 }
 
 static void
 outs(int bits)
 {
-    cpu_state.eaaddr = SI;
-    cpu_data         = (bits == 16) ? AX : AL;
+    lods(bits);
+    cpu_state.eaaddr = DX;
     cpu_io(bits, 1, cpu_state.eaaddr);
-    SI = string_increment(bits);
 }
 
 static void
@@ -2274,7 +2273,6 @@ execx86(int cycs)
                     bits = 8 << (opcode & 1);
                     if (rep_start()) {
                         ins(bits);
-                        set_accum(bits, cpu_data);
                         wait(3, 0);
 
                         if (in_rep != 0) {
@@ -2304,7 +2302,6 @@ execx86(int cycs)
                     handled = 1;
                     bits = 8 << (opcode & 1);
                     if (rep_start()) {
-                        cpu_data = AX;
                         wait(1, 0);
                         outs(bits);
                         if (in_rep != 0) {