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43,50500/test.mac
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TITLE TEST -- CODE TO SHOW USAGE OF STRUCTURED MACROS
SUBTTL R.P.NIX -- 11/21/78
XALL
RELOC
SEARCH STRUCTURED ; SET UP TO FIND MACROS
START:
MOVE 1,A ; GET A VALUE INTO AC1
%IF <CAI,1,10,E> ; IF AC1 = 10 THEN
MOVE 1,B ; MOVE B TO AC1
%ELSE ; OTHERWISE
MOVE 1,C ; MOVE C TO AC1
%ENDIF ; END OF CONDITIONAL
%WHILE <<CAI,1,D,E>,OR,<SKIP,0,1,N>>
; WHILE AC1 = D OR AC1 <> 0 DO
SUBI 1,1 ; DECR AC1
%ENDWHILE ; AND LOOP BACK
%CASE
%WHEN <CAI,1,A,E> ; IF AC1 = A THEN
MOVEI 2,1
%WHEN <CAI,1,B,E>
MOVEI 2,2
%WHEN <CAI,1,B,E>
MOVEI 2,3
%WHEN <SKIP,0,0,A> ; DEFAULT (DO IF ALL ABOVE FAIL)
MOVEI 2,0
%ENDCASE ; END OF CASE SET
%LOOP
ADDI 1,1
%EXITIF <CAI,1,20,GE> ; EXIT LOOP IF AC1 >= 20
ADDI 2,1
%ENDLOOP
EXIT 1,
A: 1
B: 3
C: 5
D: 7
END