N e w I n s t r u c t i o n
9-81
FUN160
RW — F R
R e a d / W r i t e F i l e R e g i s t e r
FUN160
RW — F R
160DP.RW-FR
Sa :
Sb :
Pr :
EN
Operation Control
ERR
L :
Increment
Read/Write
R/W
INC
S a : St a r t i n g a d d r e s s o f d a t a r e g i s t e r
S b : St a r t i n g a d d r e s s o f f i l e r e g i s t e r
P r : P o i n t e r r e g i s t e r
L : Q u a n t i t y o f r e g i s t e r, 1 ~ 5 11
S a o p e r a n d c a n c o m b i n e V、 Z、 P 0 ~ P 9
f o r i n d e x a d d r e s s i n g .
WX
WY
WM
WS
TMR CTR HR
IR
OR
SR
ROR
DR
K
XR
FR
Range
Operand
WX0
∣
WX240
WY0
∣
WY240
WM0
∣
WM1896
WS0
∣
WS984
T0
∣
T255
C0
∣
C255
R0
∣
R3839
R3840
∣
R3903
R3904
∣
R3967
R3968
∣
R4167
R5000
∣
R8071
D0
∣
D4095
V、Z
P0〜P9
F0
∣
F8191
Sa
○
○
○
○
○
○
○
○
○
○
○
○
○
Sb
○
Pr
○
○
○
○
○
○
○
○
*
○
*
○
L
○
○
*
○
1~511
● W h e n o p e r a t i o n c o n t r o l " E N " = 1 o r " E N ↑ " ( P i n s t r u c t i o n ) c h a n g e s f r om 0 → 1 , i t
w i l l p e r f o r m t h e r e a d ( " R / W " = 1 ) o r w r i t e ( " R / W " = 0 ) f i l e r e g i s t e r o p e r a t i o n .
W h i l e r e a d i n g , t h e c o n t e n t o f d a t a r e g i s t e r s s t a r t i n g f r o m S a w i l l b e o v e r w r i t t e n
b y t h e c o n t e n t o f f i l e r e g i s t e r s s t a r i n g f r o m t h e S b a n d p o i n t e r p o i n t e d ; w h i l e
w r i t i n g , t h e c o n t e n t o f f i l e r e g i s t e r s s t a r i n g f r o m t h e S b a n d p o i n t e r p o i n t e d w i l l
b e o v e r w r i t t e n b y t h e c o n t e n t o f d a t a r e g i s t e r s s t a r t i n g f r o m S a ; L i s t h e
o p e r a t i o n q u a n t i t y. T h e a c c e s s o f f i l e r e g i s t e r a p p l i e s t h e c o n c e p t o f R E C O R D
d a t a s t r u c t u r e t o i m p l e m e n t . F o r e x a m p l e , S a = R 0 , S b = F 0 , L = 1 0 , t h e r e a d / w r i t e
d e t a i l s s h o w n a s b e l o w :
Sb
Pr=0
Sa
R0〜R9
( L=10 )
F0〜F9
( L=10 )
F10〜F19
F20〜F29
F30〜F39
( L=10 )
( L=10 )
( L=10 )
Pr=1
Pr=2
Pr=3
