From 79017d2d507680a357e3dd655f85038c5a1a292b Mon Sep 17 00:00:00 2001
From: Paul Gardner-Stephen <paul@servalproject.org>
Date: Sat, 4 May 2019 17:07:05 +0930
Subject: [PATCH] fix FILE NOT FOUND detection in IEC ATN turnaround

---
 c64/kernal/iec_turnaround_to_listen.s | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/c64/kernal/iec_turnaround_to_listen.s b/c64/kernal/iec_turnaround_to_listen.s
index 97d1a8f3..d5021bbb 100644
--- a/c64/kernal/iec_turnaround_to_listen.s
+++ b/c64/kernal/iec_turnaround_to_listen.s
@@ -23,16 +23,16 @@ iec_turnaround_to_listen:
 	ldx #$ff
 *	lda $dd00
 	and #$40
-	beq +
+	bne +
 	dex
-	bne -
+	beq -
 
 	jsr printf
 	.byte "TURNAROUND FAILED - FILE NOT FOUND?",$0d,$00
 	
 	;; Timeout = file not found error
 	;; (https://www.pagetable.com/?p=1023)
-	lda #5
+	lda #4
 	sec
 	rts
 *