Jump Instructions and
Subroutine Programming
Chapter 11
112
Figure 11.1
JUMP
Format
|| (
JMP )
XX
XX = Octal Identification Number
Figure 11.2
JUMP
to LABEL Operation
()
016
(
JMP )
07
| / |
15
( T
ON )
200 200
||
10
()
117 016
LBL ()
07 015
| / |
15
( T
ON )
200 200
0.1
PR 999
AC 000
13
||
10
117
| / |
11
117
01
||
13
117
02
0.1
PR 999
AC 000
||
17
117
Whenis true,
program execution
jumps to label 07.
-||-
13
117
Reprogram rungs that
require updates when
jump is active (rung 3
is reprogrammed).
Jumped sections of programs
are not scanned.
A Jump instruction can be programmed anywhere within the main
program, or within the subroutine area. However, a Jump instruction may
not be programmed to cross the boundary between the main program and
subroutine area or to jump backwards in memory.
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