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void ViewBinFile(string filename){
	//Load file
	unsigned int fsize;
	byte handle;
	unsigned int result = OpenFileRead(filename, fsize, handle);
	
	FileSeekType FSTargs;
	FSTargs.FileHandle = handle;
	FSTargs.Origin = SEEK_SET;
	
	unsigned int line_amount = fsize / 8 +1;	//TODO: find actual value
	unsigned int top_line = 0;
	byte buffer[64];
	
	bool viewing_file = true;
	while(viewing_file){
		FSTargs.Length = top_line*8;
		SysFileSeek(FSTargs);
		
		unsigned int read_size = 64;
		ReadBytes(handle, read_size, buffer);
		
		//Draw everything
		ClearScreen();
		
		//Show contents of buffer
		for(int ix=0; ix<8; ix++)
			for(int iy=0; iy<8; iy++){
				TextOut(ix*12, LCD_LINE1 -iy*8, FormatNum("%02X", buffer[ix+iy*8]) );
			}
		
		
		//Do input
		while( true ){
			if(ButtonPressed(BTNLEFT, true) && top_line >0){
				top_line--;
				break;
			}
			
			if(ButtonPressed(BTNRIGHT, true) && top_line < (line_amount-8)){
				top_line++;
				break;
			}
		}
		Wait( 100 );
	}
}


task main(){
	ViewBinFile( "test.rxe" );
}