From 62e698791999b1e940d00cb222bcec2b93688dd9 Mon Sep 17 00:00:00 2001
From: TQ Hirsch <thequux@thequux.com>
Date: Tue, 26 Sep 2023 23:54:53 +0200
Subject: [PATCH] Fixed a misunderstanding of autoincrement/autodecrement mode;
 now EKBB prints its header message

---
 src/main/kotlin/com/thequux/mcpdp/core/CPU.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/kotlin/com/thequux/mcpdp/core/CPU.kt b/src/main/kotlin/com/thequux/mcpdp/core/CPU.kt
index 8ed5540..53a0bd6 100644
--- a/src/main/kotlin/com/thequux/mcpdp/core/CPU.kt
+++ b/src/main/kotlin/com/thequux/mcpdp/core/CPU.kt
@@ -731,7 +731,7 @@ class CPU(val mbus: MemBus, val tracer: ITracer = NullTracer()) {
         val mode = operand shr 3
         val reg = operand and 0x7
         val is_pc = reg == 7
-        val increment = if (byte_mode && !is_pc) 1U else 2U
+        val increment = if (byte_mode && reg < 6) 1U else 2U
         val decoded = 0x80_FFFFu and when (mode and 0x7) {
             0 -> reg.toUInt() bis PADDR_REG_BIT
             1 -> registers[reg].toUInt()