; Simple example machine language program to print all even
; letters (using repetition)
;
; Peter Christen, 4 April 2003

START a10   ; Start address of the program, initialise PC to this

AT a10                ; Store the following data items (instructions) into
                      ; memory from a10 onwards
000 001 0 001 000 010 ; a10: Load 'B' (immediate mode)
110101  0 000 000 011 ; a11: trap 3 (put)
000 111 0 001 011 010 ; a12: comp 'Z'
101001  0 000 001 110 ; a13: branch equal a16
000 011 0 000 000 010 ; a14: add #2
101000  0 000 001 001 ; a15: jump a11
110101  0 000 000 001 ; a16: trap 1 (halt)