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3.4.1 Boolean Flags

82F3F %0<> ( % → flag )
Can be used to change a user flag into a system flag.
03A81 TRUE ( → T )
0BDC1 TrueTrue ( → T T )
83F66 TrueFalse ( → T F )
aka: TRUEFALSE
03AC0 FALSE ( → F )
83F7A FalseTrue ( → F T )
aka: FALSETRUE
81FDB FalseFalse ( → F F )
82ED1 failed ( → F T )
81522 DROPTRUE ( ob → T )
81527 DROPFALSE ( ob → F )
835E3 2DROPFALSE ( ob1 ob2 → F )
83926 XYZ>ZTRUE ( ob1 ob2 ob3 → ob3 T )
8182E NOT ( flag → flag' )
Returns FALSE if the input is TRUE, and vice-versa.
81824 AND ( flag1 flag2 → flag )
Returns TRUE if both flags are TRUE.
81833 OR ( flag1 flag2 → flag )
Returns TRUE if either flag is TRUE.
8183D XOR ( flag1 flag2 → flag )
Returns TRUE if flags are different.
8401F ORNOT ( flag1 flag2 → flag )
Returns FALSE if either flag is TRUE.
836C4 NOTAND ( flag1 flag2 → flag )
Returns TRUE if flag1 is TRUE and flag2 is FALSE.
83700 ROTAND ( flag1 ob flag2 → ob flag )
Returns TRUE if either flag is TRUE.


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This document was generated by Carsten Dominik on May, 30 2005 using texi2html