From 1eb8f759d78582e20b82de1069244d38538bf686 Mon Sep 17 00:00:00 2001
From: Aaron Culliney <devnull@deadc0de.org>
Date: Tue, 5 Nov 2013 21:45:55 -0800
Subject: [PATCH] BRK instruction adjustment

    * Changes from AppleWin ... set Break and Xtra for pushed flags
    * Late set Interrupt flag for current flags (should be unchanged)
---
 src/cpu.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/cpu.S b/src/cpu.S
index b5481546..29f930d1 100644
--- a/src/cpu.S
+++ b/src/cpu.S
@@ -830,11 +830,12 @@ op_BRK:
                 movw    PC_Reg, %ax
                 Push(%ah)
                 Push(%al)
+                orb     $(B_Flag|X_Flag), F_Reg
                 xorl    %eax,%eax
                 movb    F_Reg, %al
-                orb     $I_Flag, F_Reg
                 movb    SN(cpu65_flags_encode)(,%eax,1), %al
                 Push(%al)
+                orb     $I_Flag, F_Reg
                 movw    $0xFFFE, EffectiveAddr
                 GetFromEA_W
                 movw    %ax, PC_Reg