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lxdream.org :: lxdream/src/gui/debug_win.c
lxdream 0.9.1
released Jun 29
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filename src/gui/debug_win.c
changeset 455:3080881d00d4
prev437:2c259474b474
next457:af605fd32c0b
author nkeynes
date Sun Oct 21 05:21:35 2007 +0000 (14 years ago)
permissions -rw-r--r--
last change More GUI WIP
file annotate diff log raw
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/**
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 * $Id: debug_win.c,v 1.25 2007-10-21 05:21:35 nkeynes Exp $
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 * This file is responsible for the main debugger gui frame.
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 *
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 * Copyright (c) 2005 Nathan Keynes.
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 */
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <math.h>
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#include <gnome.h>
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#include "mem.h"
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#include "cpu.h"
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#include "gui/gtkui.h"
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#include "sh4/sh4dasm.h"
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#include "aica/armdasm.h"
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GdkColor *msg_colors[] = { &gui_colour_error, &gui_colour_error, &gui_colour_warn, 
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			   &gui_colour_normal,&gui_colour_debug, &gui_colour_trace };
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const cpu_desc_t cpu_list[4] = { &sh4_cpu_desc, &arm_cpu_desc, &armt_cpu_desc, NULL };
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void init_register_list( debug_window_t data );
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uint32_t row_to_address( debug_window_t data, int row );
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void set_disassembly_pc( debug_window_t data, unsigned int pc, gboolean select );
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void set_disassembly_region( debug_window_t data, unsigned int page );
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void set_disassembly_cpu( debug_window_t data, const gchar *cpu );
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void on_mode_field_changed ( GtkEditable *editable, gpointer user_data);
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gboolean on_page_field_key_press_event( GtkWidget * widget, GdkEventKey *event,
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                                        gpointer user_data);
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void on_jump_pc_btn_clicked( GtkButton *button, gpointer user_data);
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void on_disasm_list_select_row (GtkCList *clist, gint row, gint column,
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				GdkEvent *event, gpointer user_data);
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void on_disasm_list_unselect_row (GtkCList *clist, gint row, gint column,
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				  GdkEvent *event, gpointer user_data);
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struct debug_window_info {
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    int disasm_from;
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    int disasm_to;
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    int disasm_pc;
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    const struct cpu_desc_struct *cpu;
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    const cpu_desc_t *cpu_list;
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    GtkCList *regs_list;
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    GtkCList *disasm_list;
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    GtkEntry *page_field;
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    GtkWidget *window;
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    GtkWidget *statusbar;
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    char saved_regs[0];
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};
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debug_window_t debug_window_new( const gchar *title, GtkWidget *menubar, 
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				 GtkWidget *toolbar, GtkAccelGroup *accel_group )
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{
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    debug_window_t data = g_malloc0( sizeof(struct debug_window_info) + cpu_list[0]->regs_size );
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        GtkWidget *vbox;
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    GtkWidget *frame;
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    data->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
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    gtk_window_set_default_size (GTK_WINDOW (data->window), 1000, 700);
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    gtk_window_set_title( GTK_WINDOW(data->window), title );
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    gtk_window_add_accel_group (GTK_WINDOW (data->window), accel_group);
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    gtk_toolbar_set_style( GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS );
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    data->statusbar = gtk_statusbar_new();
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    GtkWidget *hpaned = gtk_hpaned_new ();
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    gtk_paned_set_position (GTK_PANED (hpaned), 800);
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    GtkWidget *disasm_box = gtk_vbox_new(FALSE,0);
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    gtk_paned_pack1 (GTK_PANED (hpaned), disasm_box, TRUE, TRUE);
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    GtkWidget *hbox1 = gtk_hbox_new (FALSE, 0);
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    gtk_box_pack_start (GTK_BOX (disasm_box), hbox1, FALSE, FALSE, 3);
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    gtk_box_pack_start (GTK_BOX (hbox1), gtk_label_new (_("Page")), FALSE, FALSE, 4);
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    data->page_field = GTK_ENTRY(gtk_entry_new ());
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    gtk_box_pack_start (GTK_BOX (hbox1), GTK_WIDGET(data->page_field), FALSE, TRUE, 0);
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    GtkWidget *jump_pc_btn = gtk_button_new_with_mnemonic (_(" Jump to PC "));
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    gtk_box_pack_start (GTK_BOX (hbox1), jump_pc_btn, FALSE, FALSE, 4);
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    gtk_box_pack_start (GTK_BOX (hbox1), gtk_label_new(_("Mode")), FALSE, FALSE, 5);
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    GtkWidget *mode_box = gtk_combo_new ();
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    gtk_box_pack_start (GTK_BOX (hbox1), mode_box, FALSE, FALSE, 0);
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    GList *mode_box_items = NULL;
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    mode_box_items = g_list_append (mode_box_items, (gpointer) _("SH4"));
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    mode_box_items = g_list_append (mode_box_items, (gpointer) _("ARM7"));
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    mode_box_items = g_list_append (mode_box_items, (gpointer) _("ARM7T"));
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    gtk_combo_set_popdown_strings (GTK_COMBO (mode_box), mode_box_items);
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    g_list_free (mode_box_items);
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    GtkWidget *mode_field = GTK_COMBO (mode_box)->entry;
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    gtk_editable_set_editable (GTK_EDITABLE (mode_field), FALSE);
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    GtkWidget *disasm_scroll = gtk_scrolled_window_new (NULL, NULL);
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    gtk_box_pack_start (GTK_BOX (disasm_box), disasm_scroll, TRUE, TRUE, 0);
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    gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (disasm_scroll), GTK_SHADOW_IN);
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    data->disasm_list = GTK_CLIST(gtk_clist_new (4));
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    gtk_clist_set_column_width (GTK_CLIST (data->disasm_list), 0, 80);
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    gtk_clist_set_column_width (GTK_CLIST (data->disasm_list), 2, 80);
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    gtk_clist_set_column_width (GTK_CLIST (data->disasm_list), 3, 80);
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    gtk_clist_set_column_width( data->disasm_list, 1, 16 );
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    gtk_clist_column_titles_hide (GTK_CLIST (data->disasm_list));
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    gtk_container_add (GTK_CONTAINER (disasm_scroll), GTK_WIDGET(data->disasm_list));
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    GtkWidget *reg_scroll = gtk_scrolled_window_new (NULL, NULL);
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    gtk_paned_pack2 (GTK_PANED (hpaned), reg_scroll, FALSE, TRUE);
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    gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (reg_scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
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    gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (reg_scroll), GTK_SHADOW_IN);
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    data->regs_list = GTK_CLIST(gtk_clist_new (2));
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    gtk_container_add (GTK_CONTAINER (reg_scroll), GTK_WIDGET(data->regs_list));
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    gtk_clist_set_column_width (GTK_CLIST (data->regs_list), 0, 80);
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    gtk_clist_set_column_width (GTK_CLIST (data->regs_list), 1, 80);
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    gtk_clist_column_titles_hide (GTK_CLIST (data->regs_list));
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    gtk_widget_modify_font( GTK_WIDGET(data->regs_list), gui_fixed_font );
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    vbox = gtk_vbox_new(FALSE, 0);
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    gtk_container_add( GTK_CONTAINER(data->window), vbox );
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    gtk_box_pack_start( GTK_BOX(vbox), menubar, FALSE, FALSE, 0 );
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    gtk_box_pack_start( GTK_BOX(vbox), toolbar, FALSE, FALSE, 0 );
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    gtk_box_pack_start( GTK_BOX(vbox), hpaned, TRUE, TRUE, 0 );
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    gtk_box_pack_start( GTK_BOX(vbox), data->statusbar, FALSE, FALSE, 0 );
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    g_signal_connect ((gpointer) data->page_field, "key_press_event",
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		      G_CALLBACK (on_page_field_key_press_event),
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		      data);
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    g_signal_connect ((gpointer) jump_pc_btn, "clicked",
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		      G_CALLBACK (on_jump_pc_btn_clicked),
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		      data);
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    g_signal_connect ((gpointer) mode_field, "changed",
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		      G_CALLBACK (on_mode_field_changed),
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		      data);
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    g_signal_connect ((gpointer) data->disasm_list, "select_row",
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		      G_CALLBACK (on_disasm_list_select_row),
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		      data);
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    g_signal_connect ((gpointer) data->disasm_list, "unselect_row",
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		      G_CALLBACK (on_disasm_list_unselect_row),
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		      data);
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    data->disasm_from = -1;
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    data->disasm_to = -1;
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    data->disasm_pc = -1;
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    data->cpu = cpu_list[0];
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    data->cpu_list = cpu_list;
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    init_register_list( data );
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    gtk_object_set_data( GTK_OBJECT(data->window), "debug_data", data );
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    set_disassembly_pc( data, *data->cpu->pc, FALSE );
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    debug_window_set_running( data, FALSE );
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    gtk_widget_show_all( data->window );
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    return data;
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}
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void debug_window_show( debug_window_t data, gboolean show )
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{
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    if( show ) {
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	gtk_widget_show( data->window );
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    } else {
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	gtk_widget_hide( data->window );
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    }
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}
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int debug_window_get_selected_row( debug_window_t data )
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{
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    if( data->disasm_list->selection == NULL ) {
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	return -1;
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    } else {
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	return GPOINTER_TO_INT(data->disasm_list->selection->data);
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    }
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}
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void init_register_list( debug_window_t data ) 
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{
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    int i;
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    char buf[20];
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    char *arr[2];
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    gtk_clist_clear( data->regs_list );
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    arr[1] = buf;
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    for( i=0; data->cpu->regs_info[i].name != NULL; i++ ) {
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        arr[0] = data->cpu->regs_info[i].name;
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        if( data->cpu->regs_info->type == REG_INT )
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            sprintf( buf, "%08X", *((uint32_t *)data->cpu->regs_info[i].value) );
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        else
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            sprintf( buf, "%f", *((float *)data->cpu->regs_info[i].value) );
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        gtk_clist_append( data->regs_list, arr );
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    }
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}
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/*
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 * Check for changed registers and update the display
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 */
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void debug_window_update( debug_window_t data )
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{
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    int i;
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    for( i=0; data->cpu->regs_info[i].name != NULL; i++ ) {
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        if( data->cpu->regs_info[i].type == REG_INT ) {
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            /* Yes this _is_ probably fairly evil */
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            if( *((uint32_t *)data->cpu->regs_info[i].value) !=
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                *((uint32_t *)((char *)data->saved_regs + ((char *)data->cpu->regs_info[i].value - (char *)data->cpu->regs))) ) {
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                char buf[20];
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                sprintf( buf, "%08X", *((uint32_t *)data->cpu->regs_info[i].value) );
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                gtk_clist_set_text( data->regs_list, i, 1, buf );
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                gtk_clist_set_foreground( data->regs_list, i, &gui_colour_changed );
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            } else {
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                gtk_clist_set_foreground( data->regs_list, i, &gui_colour_normal );
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            }
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        } else {
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            if( *((float *)data->cpu->regs_info[i].value) !=
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                *((float *)((char *)data->saved_regs + ((char *)data->cpu->regs_info[i].value - (char *)data->cpu->regs))) ) {
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                char buf[20];
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                sprintf( buf, "%f", *((float *)data->cpu->regs_info[i].value) );
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                gtk_clist_set_text( data->regs_list, i, 1, buf );
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                gtk_clist_set_foreground( data->regs_list, i, &gui_colour_changed );
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            } else {
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                gtk_clist_set_foreground( data->regs_list, i, &gui_colour_normal );
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            }
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        }
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    }
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    set_disassembly_pc( data, *data->cpu->pc, TRUE );
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    memcpy( data->saved_regs, data->cpu->regs, data->cpu->regs_size );
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}
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void set_disassembly_region( debug_window_t data, unsigned int page )
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{
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    uint32_t i, posn, next;
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    char buf[80];
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    char addr[10];
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    char opcode[16] = "";
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    char *arr[4] = { addr, " ", opcode, buf };
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    unsigned int from = page & 0xFFFFF000;
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    unsigned int to = from + 4096;
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    gtk_clist_clear(data->disasm_list);
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    sprintf( addr, "%08X", from );
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    gtk_entry_set_text( data->page_field, addr );
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    if( !data->cpu->is_valid_page_func( from ) ) {
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        arr[3] = "This page is currently unmapped";
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        gtk_clist_append( data->disasm_list, arr );
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        gtk_clist_set_foreground( data->disasm_list, 0, &gui_colour_error );
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    } else {
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        for( i=from; i<to; i = next ) {
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	    next = data->cpu->disasm_func( i, buf, sizeof(buf), opcode );
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            sprintf( addr, "%08X", i );
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            posn = gtk_clist_append( data->disasm_list, arr );
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            if( buf[0] == '?' )
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                gtk_clist_set_foreground( data->disasm_list, posn, &gui_colour_warn );
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	    if( data->cpu->get_breakpoint != NULL ) {
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		int type = data->cpu->get_breakpoint( i );
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		switch(type) {
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		case BREAK_ONESHOT:
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		    gtk_clist_set_background( data->disasm_list, posn, &gui_colour_temp_break );
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		    break;
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		case BREAK_KEEP:
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		    gtk_clist_set_background( data->disasm_list, posn, &gui_colour_break );
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		    break;
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		}
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	    }
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        }
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        if( data->disasm_pc != -1 && data->disasm_pc >= from && data->disasm_pc < to )
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            gtk_clist_set_foreground( data->disasm_list, address_to_row(data, data->disasm_pc),
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                                      &gui_colour_pc );
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    }
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    if( page != from ) { /* not a page boundary */
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        gtk_clist_moveto( data->disasm_list, (page-from)>>1, 0, 0.5, 0.0 );
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    }
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    data->disasm_from = from;
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    data->disasm_to = to;
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}
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   291
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void jump_to_disassembly( debug_window_t data, unsigned int addr, gboolean select )
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{
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    int row;
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   295
    
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    if( addr < data->disasm_from || addr >= data->disasm_to )
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        set_disassembly_region(data,addr);
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    row = address_to_row( data, addr );
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    if(select) {
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        gtk_clist_select_row( data->disasm_list, row, 0 );
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    }
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    if( gtk_clist_row_is_visible( data->disasm_list, row ) != GTK_VISIBILITY_FULL ){
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        gtk_clist_moveto( data->disasm_list, row, 0, 0.5, 0.0 );
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   305
    }
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   306
}
nkeynes@2
   307
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   308
void jump_to_pc( debug_window_t data, gboolean select )
nkeynes@9
   309
{
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   310
    jump_to_disassembly( data, *data->cpu->pc, select );
nkeynes@9
   311
}
nkeynes@9
   312
nkeynes@435
   313
void set_disassembly_pc( debug_window_t data, unsigned int pc, gboolean select )
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   314
{
nkeynes@2
   315
    int row;
nkeynes@2
   316
    
nkeynes@9
   317
    jump_to_disassembly( data, pc, select );
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   318
    if( data->disasm_pc != -1 && data->disasm_pc >= data->disasm_from && 
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   319
	data->disasm_pc < data->disasm_to )
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   320
        gtk_clist_set_foreground( data->disasm_list, 
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   321
				  (data->disasm_pc - data->disasm_from) / data->cpu->instr_size,
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   322
                                  &gui_colour_normal );
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   323
    row = address_to_row( data, pc );
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   324
    gtk_clist_set_foreground( data->disasm_list, row, &gui_colour_pc );
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   325
    data->disasm_pc = pc;
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   326
}
nkeynes@2
   327
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   328
void set_disassembly_cpu( debug_window_t data, const gchar *cpu )
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   329
{
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   330
    int i;
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   331
    for( i=0; data->cpu_list[i] != NULL; i++ ) {
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   332
	if( strcmp( data->cpu_list[i]->name, cpu ) == 0 ) {
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   333
	    if( data->cpu != data->cpu_list[i] ) {
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   334
		data->cpu = data->cpu_list[i];
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   335
		data->disasm_from = data->disasm_to = -1; /* Force reload */
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   336
		set_disassembly_pc( data, *data->cpu->pc, FALSE );
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   337
		init_register_list( data );
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   338
	    }
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   339
	    return;
nkeynes@11
   340
	}
nkeynes@11
   341
    }
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   342
}
nkeynes@10
   343
nkeynes@455
   344
void debug_window_toggle_breakpoint( debug_window_t data, int row )
nkeynes@43
   345
{
nkeynes@43
   346
    uint32_t pc = row_to_address( data, row );
nkeynes@43
   347
    int oldType = data->cpu->get_breakpoint( pc );
nkeynes@43
   348
    if( oldType != BREAK_NONE ) {
nkeynes@43
   349
	data->cpu->clear_breakpoint( pc, oldType );
nkeynes@435
   350
	gtk_clist_set_background( data->disasm_list, row, &gui_colour_white );
nkeynes@43
   351
    } else {
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   352
	data->cpu->set_breakpoint( pc, BREAK_KEEP );
nkeynes@435
   353
	gtk_clist_set_background( data->disasm_list, row, &gui_colour_break );
nkeynes@43
   354
    }
nkeynes@45
   355
}
nkeynes@45
   356
nkeynes@455
   357
void debug_window_set_oneshot_breakpoint( debug_window_t data, int row )
nkeynes@45
   358
{
nkeynes@45
   359
    uint32_t pc = row_to_address( data, row );
nkeynes@45
   360
    data->cpu->clear_breakpoint( pc, BREAK_ONESHOT );
nkeynes@45
   361
    data->cpu->set_breakpoint( pc, BREAK_ONESHOT );
nkeynes@435
   362
    gtk_clist_set_background( data->disasm_list, row, &gui_colour_temp_break );
nkeynes@43
   363
}
nkeynes@43
   364
nkeynes@30
   365
/**
nkeynes@30
   366
 * Execute a single instruction using the current CPU mode.
nkeynes@30
   367
 */
nkeynes@455
   368
void debug_window_single_step( debug_window_t data )
nkeynes@30
   369
{
nkeynes@30
   370
    data->cpu->step_func();
nkeynes@30
   371
    gtk_gui_update();
nkeynes@30
   372
}
nkeynes@30
   373
nkeynes@435
   374
uint32_t row_to_address( debug_window_t data, int row ) {
nkeynes@9
   375
    return data->cpu->instr_size * row + data->disasm_from;
nkeynes@9
   376
}
nkeynes@2
   377
nkeynes@435
   378
int address_to_row( debug_window_t data, uint32_t address ) {
nkeynes@9
   379
    if( data->disasm_from > address || data->disasm_to <= address )
nkeynes@9
   380
	return -1;
nkeynes@9
   381
    return (address - data->disasm_from) / data->cpu->instr_size;
nkeynes@9
   382
}
nkeynes@9
   383
nkeynes@435
   384
debug_window_t get_debug_info( GtkWidget *widget ) {
nkeynes@9
   385
    
nkeynes@9
   386
    GtkWidget *win = gtk_widget_get_toplevel(widget);
nkeynes@435
   387
    debug_window_t data = (debug_window_t)gtk_object_get_data( GTK_OBJECT(win), "debug_data" );
nkeynes@9
   388
    return data;
nkeynes@9
   389
}
nkeynes@9
   390
nkeynes@435
   391
void debug_window_set_running( debug_window_t data, gboolean isRunning ) 
nkeynes@28
   392
{
nkeynes@392
   393
    if( data != NULL ) {
nkeynes@455
   394
	gtk_gui_enable_action( "SingleStep", !isRunning );
nkeynes@455
   395
	gtk_gui_enable_action( "RunTo", !isRunning );
nkeynes@392
   396
    }
nkeynes@28
   397
}
nkeynes@455
   398
nkeynes@455
   399
void on_mode_field_changed ( GtkEditable *editable, gpointer user_data)
nkeynes@455
   400
{
nkeynes@455
   401
    const gchar *text = gtk_entry_get_text( GTK_ENTRY(editable) );
nkeynes@455
   402
    set_disassembly_cpu( gtk_gui_get_debugger(), text );
nkeynes@455
   403
}
nkeynes@455
   404
nkeynes@455
   405
nkeynes@455
   406
gboolean on_page_field_key_press_event( GtkWidget * widget, GdkEventKey *event,
nkeynes@455
   407
                                        gpointer user_data)
nkeynes@455
   408
{
nkeynes@455
   409
    if( event->keyval == GDK_Return || event->keyval == GDK_Linefeed ) {
nkeynes@455
   410
	debug_window_t data = get_debug_info(widget);
nkeynes@455
   411
        const gchar *text = gtk_entry_get_text( GTK_ENTRY(widget) );
nkeynes@455
   412
        gchar *endptr;
nkeynes@455
   413
        unsigned int val = strtoul( text, &endptr, 16 );
nkeynes@455
   414
        if( text == endptr ) { /* invalid input */
nkeynes@455
   415
            char buf[10];
nkeynes@455
   416
            sprintf( buf, "%08X", row_to_address(data,0) );
nkeynes@455
   417
            gtk_entry_set_text( GTK_ENTRY(widget), buf );
nkeynes@455
   418
        } else {
nkeynes@455
   419
            set_disassembly_region(data, val);
nkeynes@455
   420
        }
nkeynes@455
   421
    }
nkeynes@455
   422
    return FALSE;
nkeynes@455
   423
}
nkeynes@455
   424
nkeynes@455
   425
nkeynes@455
   426
void on_jump_pc_btn_clicked( GtkButton *button, gpointer user_data)
nkeynes@455
   427
{
nkeynes@455
   428
    debug_window_t data = get_debug_info( GTK_WIDGET(button) );
nkeynes@455
   429
    jump_to_pc( data, TRUE );
nkeynes@455
   430
}
nkeynes@455
   431
nkeynes@455
   432
void on_disasm_list_select_row (GtkCList *clist, gint row, gint column,
nkeynes@455
   433
				GdkEvent *event, gpointer user_data)
nkeynes@455
   434
{
nkeynes@455
   435
    gtk_gui_enable_action( "SetBreakpoint", TRUE );
nkeynes@455
   436
    gtk_gui_enable_action( "RunTo", TRUE );
nkeynes@455
   437
}
nkeynes@455
   438
nkeynes@455
   439
void on_disasm_list_unselect_row (GtkCList *clist, gint row, gint column,
nkeynes@455
   440
				  GdkEvent *event, gpointer user_data)
nkeynes@455
   441
{
nkeynes@455
   442
    gtk_gui_enable_action( "SetBreakpoint", FALSE );
nkeynes@455
   443
    gtk_gui_enable_action( "RunTo", FALSE );
nkeynes@455
   444
}
.