/*
   ds81 - Nintendo DS ZX81 emulator.

   Copyright (C) 2006  Ian Cowburn <ianc@noddybox.co.uk>
   
   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.
  
   $Id$
*/

#include <nds.h>
#include <stdlib.h>

#include "monitor.h"
#include "keyboard.h"
#include "textmode.h"
#include "framebuffer.h"

/* ---------------------------------------- STATIC INTERFACES
*/
static void DisplayHelp()
{
    static const char *help[]=
    	{
	/*   12345678901234567890123456789012	*/
	    "MONITOR HELP",
	    "",
	    "Click on the config bar to exit.",
	    "",
	    "Press START to toggle between",
	    "single step mode and running.",
	    "",
	    "Press SELECT to toggle between",
	    "CPU info and memory display.",
	    "",
	    "In single step mode press A",
	    "to execute next instruction.",
	    "",
	    "Use L/R to alter memory shown",
	    "on the memory display.",
	    "",
	    "Note that all numbers are in hex",
	    "and the all keyboard keys are",
	    "sticky until the monitor exits.",
	    "",
	    "Press A to continue",
	    NULL
	};

    int f;

    TM_Cls();

    for(f=0; help[f]; f++)
    {
    	TM_Put(0,f,help[f]);
    }

    while(!(keysUp() & KEY_A))
    {
    	swiWaitForVBlank();
    }
}


/* ---------------------------------------- PUBLIC INTERFACES
*/
void MachineCodeMonitor(void)
{
    int done = FALSE;

    SK_DisplayKeyboard();
    SK_SetDisplayBrightness(TRUE);

    DisplayHelp();

    /*
    while(!done)
    {
    	swiWaitForVBlank();
    }
    */

    SK_SetDisplayBrightness(FALSE);
    TM_Cls();
}