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HMCS47C,HMCS47CL-------------------------------------------------------
Group
Mnemonic
Function
MNEI i
M
....
i
VNEI i
V
!::o;.
i
ANEM
A
....
M
Compare Instruction
BNEM
B
....
M
ALE I i
A
s:::
i
ALEM
A
s:
M
BLEM
B
s:
M
RAM Bit Manipulation
SEM n
"'"
-+
MinI
REM n
"0"
-+
MinI
Instruction
TM n
Test
MinI
BR a
Branch on Status 1
ROM Address
CAL a
Subroutine Jump on Status ,
LPU u
Load Program Counter Upper on Status
Instruction
TBR p
Table Branch
RTN
Return from Subroutine
SEIE
"'"
-+
I/E
SEIFO
"1"
-+
IFO
SElF'
"'"
-+
IF'
SETF
"'"
-+
TF
SECF
"'"
-+
CF
REIE
"0"
-+
I/E
REIFO
"0"
-+
IFO
REIF1
"0"
-+
IF'
Interrupt Instruction
RETF
"0"
-+
TF
RECF
"0"
-+
CF
TIO
Test
INTo
TI'
Test
INT.
TIFO
Test
IFO
TIF'
Test
IF1
TTF
Test
TF
LTI i
i
-+
Timer/Counter
LTA
A
-+
Timer/Counter
LAT
Timer/Counter
-+
A
RTNI
Return Interrupt
SED
"1"
-+
o
IVI
RED
"0"
-+
o
IVI
TO
Test
o
IVI
SEOO n
"1"
-+
o
Inl
Input/Output
REDO n
"0"
-+
o
Inl
Instruction
LAR p
Rlpl
-+
A
LBR p
Rlpl
-+
B
LRA p
A
-+
R Ipl
LRB p
B
-+
R Ipl
P p
Pattern Generation
NOP
No Operation
[NOTE) ,. (XVI
after a mnemonic code has four meanings as follows.
Mnemonic only
Mnemonic with X
Mnemonic with Y
Mnemonic with XV
[Example)
LAM
LAMX
LAMV
LAMXY
Instruction execution only
After instruction execution, X ... SPX
After instruction execution, V ... SPY
After instruction execution, X ... SPX,
y ... SPY
M .... A
M .... A, X ... SPX
M .... A,
y ... SI>V
M .... A, X ... SPX, Y ... Spy
Status
NZ
NZ
NZ
NZ
NB
NB
NB
MinI
,
1
,
INTo
INT.
IFO
IF'
TF
OIVI
2. Status column shows the factor which brings the Status F/F "'" under judgement instruction or instruction accompanying the judgement.
NZ .... ALU Not Zero
C ..... ALU Overflow in Addition, that is, Carry
NB .... ALU Overflow in Subtraction, that is, No Borrow
Except above ....... Contents of the status column affects the Status F/F directly.
3. The Carry F/F (C(F/FII is not always affected by executing the instruction which affects the Status F/F.
Instructions which affect the Carry F/F are eight as follows.
AMC
SEC
SMC
OAA
OAS
REC
ROTL
ROTR
4. All instructions except the pattern instruction (PI are executed in 1-cycle. The pattern instruction (PI is executed in 2-cycle.
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