"IBM Mainframe Assembler List" <[email protected]> wrote on
08/15/2023 02:07:32 PM:
> Ratz! Those macros are not on my system. ;-b
So, I whipped up my own simple versions and created a little test
program to see how it all works. It is even compatible with my macros for
conditional constructs. Thanks for the idea, Jonathan.
MACRO
&LABEL TF &F
&LABEL TM &F,L'&F TEST FLAG BYTE
MEND
MACRO
&LABEL SF &F
&LABEL OI &F,L'&F SET FLAG BYTE
MEND
MACRO
&LABEL CF &F
&LABEL NI &F,X'FF'-L'&F CLEAR FLAG BYTE
MEND
PRINT OFF
COPY IF IF/AND/ELSE/ENDIF CONSTRUCT
COPY SELECT SELECT/WHEN/ENDSL CONSTRUCT
COPY WHILE WHILE/WEXIT/WLOOP/WEND CONSTRUCT
PRINT ON
TEST CSECT 0
USING *,12
SAVE (14,12)
LR 12,15
SF FLAG3
IF FLAG3,(ON,TF),$NOOP
WTO 'FLAG3 IS ON'
ELSE
WTO 'FLAG3 IS OFF'
ENDIF
CF FLAG3
IF FLAG3,(ON,TF),$NOOP
WTO 'FLAG3 IS ON'
ELSE
WTO 'FLAG3 IS OFF'
ENDIF
RETURN (14,12),RC=0
DS 0D
FLAG1 EQU *,B'00000001'
FLAG2 EQU *,B'00000010'
FLAG3 EQU *,B'00000100'
FLAG4 EQU *,B'00001000'
FLAG5 EQU *,B'00010000'
FLAG6 EQU *,B'00100000'
FLAG7 EQU *,B'01000000'
FLAG8 EQU *,B'10000000'
DS BL1 FLAG BYTE
END TEST
Sincerely,
Dave Clark
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