Dec & decf – Remote Processing CAMBASIC User Manual
Page 63

Comm ands - 30
DEC & DECF
Statements
SYNTAX:
DEC variable
DEC F var iable
PURPOSE:
To decrem ent a variable by one (DEC) or four (DEC F).
REMARK S:
This is a fast way to decrement a simple or array variable.
A = A– 1
slow
D E C A
fast
A = A– 4
slow
D E C F A
fast
DEC executes more than twice as fast as the statement it replaces. Valid for simple and array
variables.
RELATED:
I N C , I N C F
EXAMPLE:
10 A = 4
20 DEC A
30 PRINT A
40 DECF A
50 PRINT A
RUN
3
–1
ERROR:
< Expected variable> – if parameter is not a variable