Debugger STEP and BIGSTEP.

vm.cpp

@@ -241,6 +241,12 @@ const int vm_step() {
 	return vm_cycles;
 }
 
+const int vm_big_step() {
+	word* lines = parser_get_lines();
+	word current_line = lines[vm_pc];
+	while (vm_pc > 32768 || lines[vm_pc] == current_line) { vm_step(); }
+	return 0;
+}
 /*void vm_register_call(void(*callback)(t_stack&)) {
 	external_calls[numcallbacks++] = callback;
 }*/