VIPA CPU 21 Series - Counter instructions

Chapter 12 Instruction list Manual VIPA CPU 21x
Command
Operand Parameter Status word Function
Length
in
BR CC1 CC0 OV OS OR STA RLO /FC
words
: Instruction depends on
: Instruction influences
12-34 HB103E - Rev. 05/45
Counter instructions
Counter instructions
Status word The counter value is in ACCU1-L res. in the
address transferred as parameter.
S C f
0 to 255
BR CC1 CC0 OV OS OR STA RLO /FC
Presetting of counter on edge change from "0" to "1". 1/2
Counter p. - - - - - - - Y - 2
R C f
0 to 255
- - - - - 0 - - 0 Reset counter to "0". 1/2
Counter p. 2
CU C f
0 to 255
Increment counter by 1 on edge change from "0" to "1". 1/2
Counter p. 2
CD C f
0 to 255
Decrement counter by 1 on edge change from "0" to "1". 1/2
Counter p. 2
FR C f
0 to 255
Enable counter on edge change from "0" to "1". 1/2
Counter p. (reset the edge bit memory for up and down counting) 2