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7721 Datasheet(PDF) 511 Page - Renesas Technology Corp

Part # 7721
Description  16-BIT SINGLE-CHIP MICROCOMPUTER
PDF  577 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7721 Datasheet(HTML) 511 Page - Renesas Technology Corp

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Appendix 6. Machine instructions
APPENDIX
7721 Group User’s Manual
17–48
Symbol
Functions
Details
IMP
IMM
A
DIR
DIR,b
DIR,X
DIR,Y
(DIR)
(DIR,X)
(DIR),Y
op
n
op
n
n
n
n
nn
n
n
Addressing modes
PHD
M(S)
←DPRH
S
←S–1
M(S)
←DPRL
S
←S–1
Saves the contents of the direct page register into the
stack.
M(S)
←PG
S
←S–1
M(S)
←PSH
S
←S–1
M(S)
←PSL
S
←S–1
M(S)
←DT
S
←S–1
x=0
M(S)
←XH
S
←S–1
M(S)
←XL
S
←S–1
x=1
M(S)
←XL
S
←S–1
x=0
M(S)
←YH
S
←S–1
M(S)
←YL
S
←S–1
x=1
M(S)
←YL
S
←S–1
m=0
S
←S+1
AL
←M(S)
S
←S+1
AH
←M(S)
m=1
S
←S+1
AL
←M(S)
m=0
S
←S+1
BL
←M(S)
S
←S+1
BH
←M(S)
m=1
S
←S+1
BL
←M(S)
S
←S+1
DPRL
←M(S)
S
←S+1
DPRH
←M(S)
S
←S+1
PSL
←M(S)
S
←S+1
PSH
←M(S)
S
←S+1
DT
←M(S)
x=0
S
←S+1
XL
←M(S)
S
←S+1
XH
←M(S)
x=1
S
←S+1
XL
←M(S)
PHG
PHP
PHT
PHX
PHY
Saves the contents of the program bank register into the
stack.
Saves the contents of the program status register into the
stack.
Saves the contents of the data bank register into the stack.
Saves the contents of the index register X into the stack.
Saves the contents of the index register Y into the stack.
PLA
Restores the contents of the stack on the accumulator A.
Restores the contents of the stack on the accumulator B.
Restores the contents of the stack on the direct page reg-
ister.
Restores the contents of the stack on the processor status
register.
Restores the contents of the stack on the data bank reg-
ister.
Restores the contents of the stack on the index register X.
PLB
PLD
PLP
PLT
PLX
op
op
op
op
op
op
op
#
#
#
#
#
#
#
#
#
#
op
n



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