/* -*-mode: C; fill-column: 77; c-basic-offset: 4; -*- */
/* 
 * Copyright 2004 by Eric House (fixin@peak.org).  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

#ifndef _PACE_MAN_H_
#define _PACE_MAN_H_

#ifdef XW_TARGET_PNO

#include <Form.h>

#include "pnostate.h"
#include "xptypes.h"

extern Int16 StrPrintF( Char* s, const Char* formatStr, ... );
extern Int16 StrVPrintF( Char* s, const Char* formatStr, _Palm_va_list arg );
extern void TimSecondsToDateTime( UInt32 seconds, DateTimeType* dateTimeP );
extern Boolean SysHandleEvent( EventPtr eventP );
extern void EvtGetEvent( EventType* event, Int32 timeout );
extern Boolean FrmDispatchEvent( EventType* eventP );
extern Boolean MenuHandleEvent( MenuBarType* menuP, EventType* event, 
                                UInt16* error );
extern void FrmSetEventHandler( FormType* formP, 
                                FormEventHandlerType* handler );
extern void EvtAddEventToQueue( const EventType* event );


#if 0
# define FUNC_HEADER(n) XP_LOGF( #n " called" )
# define FUNC_TAIL(n)   XP_LOGF( #n " done" )
#else
# define FUNC_HEADER(n)
# define FUNC_TAIL(n)
#endif

#define STACK_START(typ, var, siz ) typ var[siz]
#define STACK_END(s)
#define ADD_TO_STACK4(s,val,offset) \
    write_unaligned32( &s[offset], (unsigned long)val )
#define ADD_TO_STACK2(s,val,offset) \
    write_unaligned16( &s[offset], (unsigned short)val )
#define ADD_TO_STACK1(s,val,offset) \
    s[offset] = (unsigned char)val; \
    s[offset+1] = 0

#define SWAP1_NON_NULL_IN(ptr) if ( !!(ptr) ) { *(ptr) = Byte_Swap16(*(ptr)); }
#define SWAP2_NON_NULL_IN(ptr) if ( !!(ptr) ) { *(ptr) = Byte_Swap16(*(ptr)); }
#define SWAP4_NON_NULL_IN(ptr) if ( !!(ptr) ) { *(ptr) = Byte_Swap32(*(ptr)); }
#define SWAP1_NON_NULL_OUT(ptr) SWAP1_NON_NULL_IN(ptr) 
#define SWAP2_NON_NULL_OUT(ptr) SWAP2_NON_NULL_IN(ptr) 
#define SWAP4_NON_NULL_OUT(ptr) SWAP4_NON_NULL_IN(ptr) 

#define SET_SEL_REG(trap, sp) ((unsigned long*)((sp)->emulStateP))[3] = (trap)


PNOState* getStorageLoc();
#define GET_CALLBACK_STATE() getStorageLoc()

#define crash()  *(int*)1L = 1

unsigned long Byte_Swap32( unsigned long l );
unsigned short Byte_Swap16( unsigned short l );
void write_unaligned16( unsigned char* dest, unsigned short val );
void write_unaligned32( unsigned char* dest, unsigned long val );
#define write_unaligned8( p, v ) *(p) = v


#if 0
# define EMIT_NAME(n) \
    asm( ".byte " n ); \
    asm( ".align" )
#else
# define EMIT_NAME(n)
#endif

#endif
#endif