PA #3 Extra Info

- The starting location is to be x3000

- The buffers have been expanded to 21 memory locations each so that you may store <ENTER>

        x3100 <- E/D
        x3101 <- Encryption key
        x3102 through x3116 <- input buffer
        x3117 through x312A <- output buffer

- The <ENTER> key is mapped to the line feed character on the LC-2 (ASCII x0A)

- Acceptable inputs to be encrypted are any ASCII characters within the range x20 to x5A

- You may assume the user will only type an upper-case E or D

- The prompts have been shortened

Prompt 1: (E)ncrypt/(D)ecrypt:
Prompt 2: Encryption Key:
Prompt 3: Input Message: