pTAL Conversion Guide

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pTAL Built-In Routines

pTAL Conversion Guide—527302-002

18-41

$READTIME

$READTIME

$READTIME is a routine that returns the number of microseconds since the last cold

load.

$SGBADDR_TO_EXTADDR

$SGBADDR_TO_EXTADDR converts an SGBADDR or SGXBADDR address to an

EXTADDR address.

expression

is an expression whose value is an SGBADDR or SGXBADDR address.

pTAL privileged procedure No

Can be executed only by privileged procedures No

Sets condition code No

Sets $CARRY No

Sets $OVERFLOW No

Figure 18-18. TAL Code Equivalent to $READSPT Routine

CODE(RTIM);

Example 18-29. Call to $READTIME Routine

FIXED time_now;

time_now := $READTIME;

pTAL privileged procedure No

Can be executed only by privileged procedures No

Sets condition code No

Sets $CARRY No

Sets $OVERFLOW No

VST651.vsd

$READTIME

expression( )

VST603.vsd

$SGBADDR_TO_EXTADDR