/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 *   Mupen64plus - regSI.c                                                 *
 *   Mupen64Plus homepage: http://code.google.com/p/mupen64plus/           *
 *   Copyright (C) 2002 davFr                                              *
 *                                                                         *
 *   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.          *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include <stdlib.h>
#include <string.h>

#include <gtk/gtk.h>

#include "regSI.h"
#include "debugger.h"

static GtkWidget *clRegSI;

// We keep a copy of values displayed to screen.
// Screen is only updated when values REALLY changed, and display need an
// update. It makes things go really faster :)
static uint32   gui_fantom_reg_SI[4];

static char *mnemonicSI[]=
{
    "SI_DRAM_ADDR_REG",     "SI_PIF_ADDR_RD64B_REG",
    "SI_PIF_ADDR_WR64B_REG",    "SI_STATUS_REG",
};

static unsigned int *regptrsSI[] = {
    &si_register.si_dram_addr,
    &si_register.si_pif_addr_rd64b,
    &si_register.si_pif_addr_wr64b,
    &si_register.si_stat
};

//]=-=-=-=-=-=-=-=[ Initialisation of Serial Interface Display ]=-=-=-=-=-=-=-[

void init_regSI()
{
    int i;

    frRegSI = gtk_frame_new("Serial Interface");

    //=== Creation of Registers Value Display ========/
    clRegSI = (GtkWidget *) init_hwreg_clist(4, mnemonicSI);
    gtk_container_add(GTK_CONTAINER(frRegSI), clRegSI);
    gtk_clist_set_selection_mode(GTK_CLIST(clRegSI), GTK_SELECTION_SINGLE);
    
    //=== Fantom Registers Initialisation ============/
    for( i=0; i<4; i++)
    {
        gui_fantom_reg_SI[i] = 0x12345678;
        //Should be put to the least probable value.
    }
}




//]=-=-=-=-=-=-=-=-=-=[ Mise-a-jour Serial Interface Display ]=-=-=-=-=-=-=-=-=[

void update_regSI()
{
    char txt[24];
    int i;
    
    gtk_clist_freeze(GTK_CLIST(clRegSI));

    for (i=0; i<4; i++) {
        if (gui_fantom_reg_SI[i] != (uint32)(*regptrsSI[i])) {
            gui_fantom_reg_SI[i] = (uint32)(*regptrsSI[i]);
            sprintf(txt, "%.8X", *regptrsSI[i]);
            gtk_clist_set_text(GTK_CLIST(clRegSI), i, 1, txt);
            gtk_clist_set_background(GTK_CLIST(clRegSI), i, &color_modif);
        } else {
            gtk_clist_set_background(GTK_CLIST(clRegSI), i, &color_ident);
        }
    }
    
    gtk_clist_thaw(GTK_CLIST(clRegSI));
}