2 Instructions
2-152 CP1E CPU Unit Instructions Reference Manual(W483)
Operation of @--(592)/@--L(593)
In the following example, the content of D100 will be decremented by 1 every cycle as long as CIO 0.00
is ON.
The up-differentiated variation is used in the following example, so the content of D101 and D100 will be
decremented by 1 only when CIO 0.00 has gone from OFF to ON.
0 0 2 0
Wd: D100
0 0 1 F
Decremented every cycle
while CIO 0.00 is ON.
Wd: D100
@−−
D100
1
0.00
0.00
Wd+1: D101 Wd: D100 Wd+1: D101 Wd: D100
Decrement Decrement
: Execution of @--L(593)
Decremented only for
up-differentiation.
1
@− −L
D100
0.00
0001 0000 0000 FFFF