129
Interlocks, jumps, SBN(92), and END(01) must not be used within step pro-
grams.
Bits used as control bits must not be used anywhere else in the program un-
less they are used to control the step (see example 3, below).
If IR bits are used for control bits, their status will be lost during any power
interruption. If it is necessary to maintain status to resume execution at the
same step, HR bits must be used.
1811: Step Start flag; turns ON for one cycle when STEP(08) is executed
and can be used to reset counters in steps as shown below if neces-
sary.
SNXT(09) 1000
CP
R
CNT 01
#0003
0000
0100
1811
STEP(08) 1000
1 cycle
1811
1000
Start
0000 LD 0000
0001 SNXT(09) 1000
0002 STEP(08) 1000
0003 LD 0100
0004 LD 1811
0005 CNT 01
# 0003
Address Instruction Operands
Precautions
Flags
Step Instructions Section 5-18
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