+enum
+{
+ COL_ADDRESS = 0,
+ COL_DATA0,
+ COL_ASCII = DATA_COLS + 1,
+ N_COLUMNS,
+};
+
+static GtkWidget *memlist_internal;
+static GtkWidget *memlist_external;
+
+/* Creating a model */
+static GtkListStore *
+memwin_init_store(int data_rows)
+{
+ 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
+memwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
+ gchar *new_str, gpointer model)
+{
+ guint column;
+ guint memory_id;
+ gpointer columnptr;
+ gpointer memory_id_ptr;
+ GtkTreeIter iter;
+ int address;
+ u_int8_t old;
+ int new;
+ char *str;
+
+ 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);
+
+ /* Memory ID is passed as renderer object data */
+ memory_id_ptr = g_object_get_data(G_OBJECT(cell), "memory_id");
+ memory_id = GPOINTER_TO_UINT(memory_id_ptr);
+
+ /* Get the iterator */
+ gtk_tree_model_get_iter_from_string(model, &iter, path_string);
+
+ /* Get base address. */
+ gtk_tree_model_get(model, &iter, COL_ADDRESS, &str, -1);
+ address = asciihex2int(str);
+
+ /* Convert column number (1, 2, 3...) to index (0, 1, 2...) */
+ address += (column - COL_DATA0);
+ old = memory_read8(memory_id, address);
+
+ log_info("Address: $%02X", address);
+ log_info(" old value: $%02X", old);
+
+ /* Convert new value (asciihex) to integer. */
+ new = asciihex2int(new_str);
+ if ((new < 0) || (new > 255)) {
+ log_info(" new value: out of range");
+ new = old; /* Put back old value... */
+ } else {
+ log_info(" new value: $%02X", new);
+ }
+
+ /* Store new value in emulator memory. */
+ memory_write8(memory_id, address, new);
+
+ /* Convert to text. */
+ int2asciihex(new, str, 2);
+
+ /* 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
+memwin_init_columns(GtkWidget *listview, int memory_id)