FATEK FBs-CM22 - FUN128 MBSHF MATRIX BIT SHIFT

Advanced Function Instruction
7-111
FUN128 P
MBSHF
MATRIX BIT SHIFT
FUN128 P
MBSHF
Ms :
EN
Shift control
Ladder symbol
128P.MBSHF
OTB Shift out bit
Fill-in bit INC
Left/Right direction
CLR
L :
Md :
Ms : Starting register of source matrix
Md : Starting register of destination
matrix
L : Length of matrix (Ms and Md)
Ms, Md may combine with V, Z, P0~P9
to serve indirect address application
WX WY WM WS TMR CTR HR IR OR SR ROR DR K XR
Range
Ope-
rand
WX0
∣
WX240
WY0
∣
WY240
WM0
∣
WM1896
WS0
∣
WS984
T0
∣
T255
C0
∣
C255
R0
∣
R3839
R3840
∣
R3903
R3904
∣
R3967
R3968
∣
R4167
R5000
∣
R8071
D0
∣
D4095
2
∣
256
V、Z
P0~P9
Ms ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
Md ○ ○ ○ ○ ○ ○ ○ ○* ○* ○ ○
L ○* ○ ○
Ms
Shift
left
1 bit
OTB
INB
Md
L
z When shift control "EN" = 1 or "EN↑" ( P instruction) has a
transition from 0 to 1, source matrix Ms will be retrieved
and completely shifted one position to the left (when L/R =
1) or one position to the right (when L/R = 0). The space
caused by the shift (with a left shift it will be M
0
, and with a
right shift it will be M
16L-1
), is replaced by the status of fill-in
bit "INB". The status of the bits popped out (with a left shift
it will be M
16L-1
, and with a right shift it will be M
0
) will
appear at the output bit "OTB". Then the results of this
shifted matrix will be filled into the destination matrix Md.
z The program at left is an example where Ms and Md are
the same matrix. When X0 goes from 0→1, Ms will be
completely retrieved and moved to the left (because L/R =
1) by 1 bit. It will then be stored back to Md, and the results
are shown at right in the diagram below.
X0
EN
OTBMs :
R 0
128P.MBSHF
L : 5
Md :
R 0
INB
L/R
X0
L
Ms Md
OTB
INB
Shift
right
1 bit
Ms15
↓
Ms
Ms0
↓
Md15
↓
Md
Md0
↓
R0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
R0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
R1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
R1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
R2
1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
R2
1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1
R3
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
R3
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
R4
0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
R4
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0
↑
Ms79
↑
Ms64
X0=
Ö
↑
Md79
↑
Md64
Before execution After execution