From 487e78ef36db347553b2246083dfc3d6d2138ee7 Mon Sep 17 00:00:00 2001
From: Mark Pizzolato <mark@infocomm.com>
Date: Tue, 24 Mar 2020 22:00:49 -0700
Subject: [PATCH] swtp6800: Fix incorrect address to data table SOFTWARE
 INTERRUPT vector

As reported/suggested Clinton Yourth @cyourth-cognonic in #820

Fix approved by simulator Bill Beech
---
 swtp6800/common/m6800.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/swtp6800/common/m6800.c b/swtp6800/common/m6800.c
index 834f657b..c4222df8 100644
--- a/swtp6800/common/m6800.c
+++ b/swtp6800/common/m6800.c
@@ -535,7 +535,7 @@ t_stat sim_instr (void)
                 push_byte(B);
                 push_byte(CCR);
                 SET_FLAG(IF);
-                PC = CPU_BD_get_mword(0xFFFB) & ADDRMASK;
+                PC = CPU_BD_get_mword(0xFFFA) & ADDRMASK;
                 break;
             case 0x40:                  /* NEG A */
                 op1 = A;