+static int
+regwin_find_row(const char *regname)
+{
+ int row;
+
+ for (row = 0; row < DATA_ROWS; row++) {
+ if (strcmp(regwin_infos[row].name, regname) == 0)
+ return row;
+ }
+
+ return -1; /* Programming error. */
+}
+
+static void
+regwin_cell_edited(GtkCellRendererText *cell, gchar *path_string,
+ gchar *new_str, gpointer model)
+{
+ GtkTreeIter iter;
+ int old;
+ int new;
+ char *str;
+ int row;
+
+ if (!model) {
+ g_error("Unable to get model from cell renderer");
+ }
+
+ /* Get the iterator */
+ gtk_tree_model_get_iter_from_string(model, &iter, path_string);
+
+ /* Get register name. */
+ gtk_tree_model_get(model, &iter, COL_NAME, &str, -1);
+
+ log_info("Register: %s", str);
+ row = regwin_find_row(str);
+ log_info(" row = %d", row);
+
+ /* Read current (old) value. */
+ gtk_tree_model_get(model, &iter, COL_VAL, &str, -1);
+
+ old = asciihex2int(str);
+
+ if (regwin_infos[row].w == 2)
+ log_info(" old value: $%02X", old);
+ else if (regwin_infos[row].w == 4)
+ log_info(" old value: $%04X", old);
+
+ new = asciihex2int(new_str);
+
+ if (regwin_infos[row].w == 2) {
+ if ((new < 0) || (new > 0xFF)) {
+ log_info(" new value: out of range");
+ new = old; /* Put back old value... */
+ } else {
+ log_info(" new value: $%02X", new);
+ }
+ } else if (regwin_infos[row].w == 4) {
+ if ((new < 0) || (new > 0xFFFF)) {
+ log_info(" new value: out of range");
+ new = old; /* Put back old value... */
+ } else {
+ log_info(" new value: $%04X", new);
+ }
+ }
+
+ /* Convert new value to text. */
+ int2asciihex(new, str, regwin_infos[row].w);
+
+ /* Store new value in emulator register. */
+ if (regwin_infos[row].write_func == NULL) {
+ /*
+ * Write register value using generic 8 or 16 bits write
+ * function, depending on width.
+ */
+ regwin_write(regwin_infos[row].param, new, regwin_infos[row].w);
+ } else {
+ /* Write register value using custom function pointer. */
+ regwin_infos[row].write_func(regwin_infos[row].param, new);
+ }
+
+ /* Store new value in gtk model. */
+ gtk_list_store_set(GTK_LIST_STORE(model), &iter, COL_VAL, str, -1);
+
+ /*
+ * Make sure to update all windows.
+ * For example, R0-R7 values depends on internal memory values.
+ */
+ regwin_Show();
+ memwin_DumpD("0");
+};
+