THIS IS A DISASSEMBLED VERSION OF THE MULTISORCER IT BECOMES SELFEXPLANATORY AFTER YOU LOOK AT IT. YOU CAN MAKE MODIFICATIONS TO IT IN THE DISASSEMBLED FORM AND THEN ASSEMBLE IT WITH ASM70. I THINK IT IS EASIEST TO ENTER ID AND KEYS IN THE ASSEMBLED FORM. TO ACTIVATE IT FROM THE VC2 KEYBOARD, ENTER 11111. TO MODIFY THE RAM FROM THE VC2 KEYBOARD, ENTER 111. BY THE WAY, AFTER YOU ASSEMBLE IT YOU SHOULD CHANGE THE EXTENSION FROM .COM TO .BIN ENJOY