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/* memory.c: memory browser widget
Copyright (c) 2004 Darren Salt
$Id: memory.c 4103 2009-11-21 10:16:36Z fredm $
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: linux@youmustbejoking.demon.co.uk
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include "compat.h"
#include "debugger/debugger.h"
#include "pokefinder/pokefinder.h"
#include "ui/ui.h"
#include "widget.h"
#include "widget_internals.h"
static libspectrum_word memaddr = 0;
#define LC(X) ( (X)*8 - DISPLAY_BORDER_ASPECT_WIDTH )
#define LR(Y) ( (Y)*8 - DISPLAY_BORDER_HEIGHT )
int
widget_memory_draw( void *data )
{
int x, y;
char pbuf[36];
widget_rectangle( LC(0), LR(0), 40 * 8, 16 * 8 + 4, 1 );
widget_rectangle( LC(0), LR(16) + 2, 320, 1, 7 );
for( y = 0; y < 16; ++y ) {
libspectrum_word addr = memaddr + y * 8;
sprintf( pbuf, "%04X:", addr );
widget_printstring_right( LC(5) - 4, LR(y), 5, pbuf );
for( x = 0; x < 8; ++x ) {
libspectrum_byte b = readbyte_internal( addr + x );
widget_printchar_fixed( LC(x + 29) / 8, LR(y) / 8, 7 - (y & 1), b );
sprintf( pbuf + x * 3, "%02X ", b );
}
widget_printstring_fixed( LC(5) / 8, LR(y) / 8, 7 - (y & 1), pbuf );
}
widget_display_lines( LR(0) / 8, 17 );
return 0;
}
void
widget_memory_keyhandler( input_key key )
{
switch ( key ) {
case INPUT_KEY_Escape: /* Close widget */
widget_end_widget( WIDGET_FINISHED_CANCEL );
break;
case INPUT_KEY_Return: /* Close widget */
case INPUT_KEY_KP_Enter:
widget_end_all( WIDGET_FINISHED_OK );
break;
/* Address selection */
case INPUT_KEY_Up:
memaddr -= 16; widget_memory_draw( NULL ); break;
case INPUT_KEY_Down:
memaddr += 16; widget_memory_draw( NULL ); break;
case INPUT_KEY_Page_Up:
memaddr -= 128; widget_memory_draw( NULL ); break;
case INPUT_KEY_Page_Down:
memaddr += 128; widget_memory_draw( NULL ); break;
case INPUT_KEY_Home:
memaddr = 0; widget_memory_draw( NULL ); break;
case INPUT_KEY_End:
memaddr = 0xFF80; widget_memory_draw( NULL ); break;
default:;
}
}
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