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-rw-r--r--src/devices/bus/c64/user.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/devices/bus/c64/user.h b/src/devices/bus/c64/user.h
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+++ b/src/devices/bus/c64/user.h
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+// license:BSD-3-Clause
+// copyright-holders:smf
+/**********************************************************************
+
+ Commodore 64 User Port emulation
+
+**********************************************************************
+
+ GND 1 A GND
+ +5V 2 B /FLAG2
+ /RESET 3 C PB0
+ CNT1 4 D PB1
+ SP1 5 E PB2
+ CNT2 6 F PB3
+ SP2 7 H PB4
+ /PC2 8 J PB5
+ ATN 9 K PB6
+ +9VAC 10 L PB7
+ +9VAC 11 M PA2
+ GND 12 N GND
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __C64_USER_PORT__
+#define __C64_USER_PORT__
+
+#include "bus/pet/user.h"
+
+SLOT_INTERFACE_EXTERN( c64_user_port_cards );
+
+#endif