Remote-processing BASIC 52 Manuel d'utilisateur télécharger pdf (Page 27)

RPBASIC-52 PROGRAMMING GUIDE

2-8

CALL

Syntax: CALL address

Where: address = address of assembly language program from 0 to 65535

Function: Calls an assembly language program in external Program M emory

Mode: Command, Run

Use: CALL 16

Cards: All

DESCRIPTION

CALL instruction invokes an assembly language program. To return to Basic, you must execute a RET

instruction in the assembly language program. Original BASIC-52 code to multiply address by two and add

4100H was re moved.

Expressions and variables are not allowed for address; it must be an explicit number. The assembly language

program m ust reside in external program m emory. R PBASIC-52 occ upies internal program memory

locations 0 through 6FFFH.

none

EXAMPLE

CALL 0 Performs soft power up reset

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 162 163

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Remote-processing BASIC 52 Manuel d'utilisateur Page 27