pTAL Conversion Guide

pTAL Built-In Routines

pTAL Conversion Guide—527302-002

18-48

$TRIGGER

$TRIGGER replaces $FREEZE and $HALT, which are available only for code that is to

be run as a native process.

Figure 18-20. Memory Allocation From $STACK_ALLOCATE (Native Process)

@p1 := $STACK_ALLOCATE (30);

@p2 := $STACK_ALLOCATE (24);

@p3 := $STACK_ALLOCATE (34);

Note. The pTAL compiler does not support this routine.

Requested 34 bytes,

allocated 40 bytes

Requested 24 bytes,

allocated 24 bytes

Requested 30 bytes,

allocated 32 bytes

Procedure

Local

Data

Process

Global

Data

Direction of Stack Growth

VST019.vsd

3000

3096p1

3064p2

3040p3

$TRIGGER ( op )

VST060.vsd