pTAL Reference Manual (H06.08+)

Built-In Routines

HP pTAL Reference Manual—523746-006

15-34

$DBL

duplicationcount input,output

uINT:variable

holds an initial value. At the end of the operation, duplicationcount

contains its original value plus the number of duplicate words found by

$COUNTDUPS.

duplicationcount must be an INT variable; it cannot be a STRING,

UNSIGNED, or USE variable or a bit field.

$COUNTDUPS scans a buffer from left to right until it encounters two adjacent unequal

words or until it reads maxwords words.

$DBL

$DBL converts its argument to an INT(32) value.

expression

is an expression whose value is an INT, INT(32), FIXED, REAL, REAL(64),

UNSIGNED(1-16), UNSIGNED(17-31), EXTADDR, or PROCADDR value.

Example 15-20. $COUNTDUPS Routine

LITERAL buffersize = 100;

INT .EXT buffer[ 0:buffersize-1 ];

INT maxwords;

INT duplication_count;

maxwords := maxbuff;

$COUNTDUPS(@buffer, maxwords, duplication_count);

pTAL privileged procedure No

Can be executed only by privileged procedures No

Sets condition code No

Sets $CARRY No

Sets $OVERFLOW Yes, if expression is a fixed

value

expression

( )

VST078.vsd

$DBL