--- hatari/src/includes/ikbd.h	2019/04/01 07:10:01	1.1.1.3
+++ hatari/src/includes/ikbd.h	2019/04/01 07:12:14	1.1.1.4
@@ -1,7 +1,13 @@
 /*
-  Hatari
+  Hatari - ikbd.h
+
+  This file is distributed under the GNU Public License, version 2 or at
+  your option any later version. Read the file gpl.txt for details.
 */
 
+#ifndef HATARI_IKBD_H
+#define HATARI_IKBD_H
+
 #include <SDL_keysym.h>           /* Needed for SDLK_LAST */
 
 
@@ -79,16 +85,12 @@ typedef struct {
 #define ACIA_STATUS_REGISTER__OVERRUN_ERROR    0x40
 #define ACIA_STATUS_REGISTER__INTERRUPT_REQUEST  0x80
 
-extern unsigned char ACIAControlRegister;
-extern unsigned char ACIAStatusRegister;
-extern unsigned char ACIAByte;
-
 extern KEYBOARD_PROCESSOR KeyboardProcessor;
 extern KEYBOARD Keyboard;
 
 extern void IKBD_Reset(BOOL bCold);
 extern void IKBD_MemorySnapShot_Capture(BOOL bSave);
-extern void IKBD_SendAutoKeyboardCommands();
+extern void IKBD_SendAutoKeyboardCommands(void);
 extern void IKBD_InterruptHandler_ResetTimer(void);
 
 extern void IKBD_Cmd_NullFunction(void);
@@ -125,3 +127,10 @@ extern void IKBD_InterruptHandler_ACIA(v
 extern void IKBD_SendByteToACIA(void);
 extern void IKBD_AddKeyToKeyboardBuffer(unsigned char Data);
 extern void IKBD_PressSTKey(unsigned char ScanCode,BOOL bPress);
+
+extern void IKBD_KeyboardControl_ReadByte(void);
+extern void IKBD_KeyboardData_ReadByte(void);
+extern void IKBD_KeyboardControl_WriteByte(void);
+extern void IKBD_KeyboardData_WriteByte(void);
+
+#endif  /* HATARI_IKBD_H */