EXP_4_Figure_2

.DSEG                       ;; all following labels are defined in terms of data memory
.ORG 0x00                   ;; sets program segment counter to 0x00
.CSEG                       ;; all the following labels are defined in terms of program memory
.ORG 0x01                   ;; sets program segment counter to 0x01

main_loop:  IN R30, 0xCC    ;; inputs data from port 0xCC to register 30
          EXOR R30, 0xDE    ;; exculive ors the data in register 30 with 0xDE
           OUT R30, 0x5A    ;; outputs the data from reguster 30 to port 0x5A
           BRN main_loop    ;; endless loop