--- /dev/null
+/*
+ * pswwin.cpp
+ *
+ * Copyright (C) 1999 Jonathan St-André
+ * Copyright (C) 1999 Hugo Villeneuve <hugo@hugovil.com>
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdio.h>
+
+#include "common.h"
+#include "reg8051.h"
+#include "cpu8051.h"
+#include "memory.h"
+#include "pswwin.h"
+#include "memwin.h"
+#include "pgmwin.h"
+#include "psw.h"
+#include "instructions_8051.h"
+#include "hexfile.h"
+#include "emugtk.h"
+
+static GtkWidget *pswlist;
+
+#define DATA_ROWS 1
+#define LIST_VIEW_NAME "PSW"
+enum
+{
+ COL_CY = 0,
+ COL_AC,
+ COL_F0,
+ COL_RS1,
+ COL_RS0,
+ COL_OV,
+ COL_RESERVED,
+ COL_P,
+ N_COLUMNS,
+};
+
+static char *col_names[N_COLUMNS] = {
+ "CY",
+ "AC",
+ "F0",
+ "RS1",
+ "RS0",
+ "OV",
+ "-",
+ "P",
+};
+
+/* Creating a model */
+static GtkListStore *
+pswwin_init_store(void)
+{
+ GtkTreeIter iter;
+ int row;
+ int col;
+ GtkListStore *store;
+ GType col_types[N_COLUMNS];
+
+ /* No need for static array, all our columns are of the same type. */
+ for (col = 0; col < N_COLUMNS; col++)
+ col_types[col] = G_TYPE_STRING;
+
+ store = gtk_list_store_newv(N_COLUMNS, col_types);
+
+ /* Add rows. */
+ for (row = 0; row < DATA_ROWS; row++)
+ gtk_list_store_append(store, &iter);
+
+ return store;
+}
+
+static void
+pswwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
+ gchar *new_str, gpointer model)
+{
+ guint column;
+ gpointer columnptr;
+ GtkTreeIter iter;
+ u_int8_t old;
+ int new;
+ char str[10];
+ int bit_index;
+
+ if (!model) {
+ g_error("Unable to get model from cell renderer");
+ }
+
+ /* Column number is passed as renderer object data */
+ columnptr = g_object_get_data(G_OBJECT(cell), "column");
+ column = GPOINTER_TO_UINT(columnptr);
+
+ log_info("column = $%02X", column);
+
+ /* Get the iterator */
+ gtk_tree_model_get_iter_from_string(model, &iter, path_string);
+
+ bit_index = 7 - column;
+
+ old = psw_read_bit(bit_index);
+
+ log_info(" old value: %d", old);
+
+ /* Convert new value (asciihex) to integer. */
+ new = asciihex2int(new_str);
+
+ if ((new != 0) && (new != 1)) {
+ log_info(" new value: out of range");
+ new = old; /* Put back old value... */
+ } else {
+ log_info(" new value: %d", new);
+ }
+
+ /* Store new value in emulator memory. */
+ psw_write_bit(bit_index, new);
+
+ /* Convert to text. */
+ int2asciihex(new, str, 1);
+
+ /* Store new value in gtk model. */
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, column, str, -1);
+
+ /*
+ * Make sure to update all registers and memory.
+ * For example, BANKed registers depends on internal memory.
+ */
+ emugtk_UpdateDisplay();
+};
+
+static void
+pswwin_init_columns(void)
+{
+ int k;
+
+ /* Add column for each bit in PSW. */
+ for (k = 0; k < N_COLUMNS; k++) {
+ GtkCellRenderer *renderer;
+ GtkTreeViewColumn *column;
+
+ /* Create new renderer for value column (editable). */
+ renderer = gtk_cell_renderer_text_new();
+
+ /* Allow edition, align to center. */
+ g_object_set(renderer, "editable", TRUE, "xalign", 0.5, NULL);
+
+ g_signal_connect(renderer, "edited",
+ G_CALLBACK(pswwin_cell_edited),
+ gtk_tree_view_get_model(GTK_TREE_VIEW(pswlist)));
+
+ /* Add column index, used when editing the cell. */
+ g_object_set_data(G_OBJECT(renderer), "column",
+ GUINT_TO_POINTER(k));
+
+ column = gtk_tree_view_column_new_with_attributes(
+ col_names[k], renderer, "text", k, NULL);
+
+ /* Center column name */
+ g_object_set(column, "alignment", 0.5, NULL);
+
+ /* Hardcoded width... */
+ gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
+ gtk_tree_view_column_set_fixed_width(column, 35);
+
+ gtk_tree_view_append_column(GTK_TREE_VIEW(pswlist), column);
+ }
+}
+
+GtkWidget *
+pswwin_init(void)
+{
+ GtkWidget *frame;
+ GtkListStore *store;
+
+ frame = gtk_frame_new(LIST_VIEW_NAME);
+
+ /* Creating a model */
+ store = pswwin_init_store();
+
+ /* Creating the view component */
+ pswlist = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
+ gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(pswlist), TRUE);
+ gtk_container_add(GTK_CONTAINER(frame), pswlist);
+
+ pswwin_init_columns();
+
+ /*
+ * The tree view has acquired its own reference to the model, so we can
+ * drop ours. That way the model will be freed automatically when the
+ * tree view is destroyed.
+ */
+ g_object_unref(store);
+
+ return frame;
+}
+
+/* Show registers. */
+void
+pswwin_refresh(void)
+{
+ GtkListStore *store;
+ int valid;
+ GtkTreeIter iter;
+ int k;
+
+ store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(pswlist)));
+
+ /* Get first row in list store */
+ valid = gtk_tree_model_get_iter_first(
+ GTK_TREE_MODEL(store), &iter);
+
+ if (!valid) {
+ printf("Invalid iter...\n");
+ return;
+ }
+
+ /* Display bit values. */
+ for (k = 0; k < N_COLUMNS; k++) {
+ char str[4];
+ int bit_index;
+
+ bit_index = 7 - k;
+
+ int2asciihex(psw_read_bit(bit_index), str, 1);
+ gtk_list_store_set(store, &iter, k, str, -1);
+ }
+}
projects / emu8051.git / commitdiff