--- hatari/src/includes/ikbd.h	2019/04/01 07:10:01	1.1.1.3
+++ hatari/src/includes/ikbd.h	2019/04/01 07:13:40	1.1.1.6
@@ -1,15 +1,21 @@
 /*
-  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 */
 
 
 /* Keyboard Command */
 typedef struct {
-  unsigned char Command;
-  unsigned char NumParameters;
-  void *pCallFunction;
+  Uint8 Command;
+  Uint8 NumParameters;
+  void (*pCallFunction)(void);
 } IKBD_COMMAND_PARAMS;
 
 /* Keyboard processor details */
@@ -17,7 +23,7 @@ typedef struct {
 typedef struct {
   int X,Y;                        /* Position of mouse */
   int MaxX,MaxY;                  /* Max limits of mouse */
-  unsigned char PrevReadAbsMouseButtons;    /* Previous button mask for 'IKBD_Cmd_ReadAbsMousePos' */
+  Uint8 PrevReadAbsMouseButtons;  /* Previous button mask for 'IKBD_Cmd_ReadAbsMousePos' */
 } ABS_MOUSE;
 
 typedef struct {
@@ -25,14 +31,14 @@ typedef struct {
   int DeltaX,DeltaY;              /* Final XY mouse position delta */
   int XScale,YScale;              /* Scale of mouse */
   int XThreshold,YThreshold;      /* Threshold */
-  unsigned char KeyCodeDeltaX,KeyCodeDeltaY;    /* Delta X,Y for mouse keycode mode */
+  Uint8 KeyCodeDeltaX,KeyCodeDeltaY;    /* Delta X,Y for mouse keycode mode */
   int YAxis;                      /* Y-Axis direction */
-  unsigned char Action;           /* Bit 0-Report abs position of press, Bit 1-Report abs on release */
+  Uint8 Action;                   /* Bit 0-Report abs position of press, Bit 1-Report abs on release */
 } MOUSE;
 
 typedef struct {
-  unsigned char JoyData[2];       /* Joystick details */
-  unsigned char PrevJoyData[2];   /* Previous joystick details, used to check for 'IKBD_SelAutoJoysticks' */
+  Uint8 JoyData[2];               /* Joystick details */
+  Uint8 PrevJoyData[2];           /* Previous joystick details, used to check for 'IKBD_SelAutoJoysticks' */
 } JOY;
 
 typedef struct {
@@ -49,10 +55,10 @@ typedef struct {
 #define KEYBOARD_BUFFER_MASK      (SIZE_KEYBOARD_BUFFER-1)
 #define SIZE_KEYBOARDINPUT_BUFFER 8
 typedef struct {
-  unsigned char KeyStates[SDLK_LAST];           /* State of PC's keys, TRUE is down */
-  unsigned char Buffer[SIZE_KEYBOARD_BUFFER];   /* Keyboard buffer */
+  Uint8 KeyStates[SDLK_LAST];           /* State of PC's keys, TRUE is down */
+  Uint8 Buffer[SIZE_KEYBOARD_BUFFER];   /* Keyboard buffer */
   int BufferHead,BufferTail;                    /* Pointers into above buffer */
-  unsigned char InputBuffer[SIZE_KEYBOARDINPUT_BUFFER];  /* Buffer for data send from CPU to keyboard processor (commands) */
+  Uint8 InputBuffer[SIZE_KEYBOARDINPUT_BUFFER];  /* Buffer for data send from CPU to keyboard processor (commands) */
   int nBytesInInputBuffer;                      /* Number of command bytes in above buffer */
 
   int bLButtonDown,bRButtonDown;                /* Mouse states in emulation system, BUTTON_xxxx */
@@ -79,16 +85,13 @@ 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 ACIA_Reset(void);
 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);
@@ -119,9 +122,16 @@ extern void IKBD_Cmd_LoadMemory(void);
 extern void IKBD_Cmd_ReadMemory(void);
 extern void IKBD_Cmd_Execute(void);
 
-extern void IKBD_SendByteToKeyboardProcessor(unsigned short bl);
-extern unsigned short IKBD_GetByteFromACIA(void);
+extern void IKBD_SendByteToKeyboardProcessor(Uint16 bl);
+extern Uint16 IKBD_GetByteFromACIA(void);
 extern void IKBD_InterruptHandler_ACIA(void);
 extern void IKBD_SendByteToACIA(void);
-extern void IKBD_AddKeyToKeyboardBuffer(unsigned char Data);
-extern void IKBD_PressSTKey(unsigned char ScanCode,BOOL bPress);
+extern void IKBD_AddKeyToKeyboardBuffer(Uint8 Data);
+extern void IKBD_PressSTKey(Uint8 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 */