Intel mcs-48 manual 108048/8748/8035L

108048/8748/8035L

INSTRUCTION SET

	Mnemonic	Description	Bytes	Cycle
	ADD A, R'	Add register to A
	ADD A,@R	Add data memory to A	1
	ADD A, #data	Add immediate to A	2	2
	ADDCA, R	Add register with carry
	ADDCA,@R	Add data memory with carry	1
	ADDC A, <ldata	Add immediate with carry	2	2
	ANL A, R	And register to A
	ANL A,@R	And data memory to A		1
	AN L A, ;.data	And immediate to A	2	2
	ORLA, R	Or register to A		1
S ORL A,@R		Or data memory to A		1
.II~	ORLA, #data	Or immediate to A	2	2
E~	XRLA, R	Exclusive or register to A		1
u	XRL A,@R	Exclusive or data memory to A	1	1
u
C(	XRL A, <ldata	Exclusjye or immediate to A	2	2
	INCA	Increment A
	DEC A	Decrement A
	CLR A	Clear A
	CPLA	Complement A
	DAA	Decimal adjust A
	SWAP A	Swap nibbles of A
	RLA	Rotate A left
	RLCA	Rotate A left through carry
	RR A	ROfate A right
	RRCA	Rotate A right through carry

	Mnemonic		Description	Bytes	Cycles
!	CALL addr		Jump to subroutine	2	2
'i			Return		2
e RET
-g	RETR		Return and restore status		2
(I)
..	CLR	C	Clear carry
	CPL	C	Complement carry
J!01	CLR Fa		Clear flag a
...	CPL Fa		Complement flag a
	CLR Fl		Clear flag 1
	CPL Fl		Complement flag 1
	MOV A, R		Move register to A
	MOVA,@R		Move data memory to A	1	1
	MOV A, #data		Move immediate to A	2	2
	MOV R,A		Move A to register
	MOV@R,A		Move A to data memory	1	1
~	MOV R, #data		Move immediate to register	2	2
	MOV @R,#data Move immediate to data memory			2	2

~MOV A, PSW Move PSW to A

"MOV PSW, A Move A to PSW

1;

0 XCH A, R Exchange A and register

XCHA,@R	Exchange A and data memory
XCHD A,@R	Exchange nibble of A and register
MOVX A,@R	Move external data memory to A	2
MOVX@R,A	Move A to external data memory	2
	to

INA, P OUTL P,A ANL P, #data

'$ ORL P, #data S- INS A, BUS ~.." OUTL BUS,A

ANL BUS,#data

.E ORL BUS,#data

MOVD A, P

MOVDP,A

ANLD P, A

ORLD P, A

;INCR

'tDECRINC@R II:

JMP addr

JMPP@A

DJNZ R, addr

JC addr

JNC addr

J Z addr

JNZaddr

~ JTOaddr

u

c:

It JNTOaddr

II! JTI addr

JNTI addr

JFOaddr

JFl addr

JTF addr

JNI addr

JBb addr

Input port to A		2
Output A to port		2
And immediate to port	2	2
Or immediate to port	2	2
Input BUS to A		2
Output A to BUS	1	2
And immediate to BUS	2	2
Or immediate to BUS	2	2
Input expander port to A	1	2
Output A to expander port		2
And A to expander port		2
Or A to expander port		2
Increment register
Increment data memory
Decrement register
J~mp unconditional	2	2
Ju mp ind irect	1	2
Decrement register and skip	2	2
Jump on carry = 1	2	2
Jump on carry = 0	2	2
Jump on A zero	2	2
Jl.4mp on ~ not zero	2	2
Jump on TO= 1	2	2
Jump on TO= a	2	2
Jump on Tl = 1	2	2
Jump on TI = 0	2	2
Jump on FO= 1	2	2
Jump on Fl = 1	2	2
Jump on timer flag	2	2
Jump on iiiii'= a	2	2
Jump on accumulator bit	2	2

	MOVPA,@A	Move A from current page	2
	MOVP3 A,@A	Move to A from page 3	2
	MOVA, T	Read timer/counter	I,
~	MOVT,A	Load timer/counter
c	STRTT	Start timer
"
	STRT CNT	Start caU nter
~	STOP TCNT	Stop timer/counter
E	EN TCNTI	Enable timer/counter interrupt
i=
	DIS TCNT!	Disable timer/counter interrupt
	EN I	Enable external interrupt
i	DISI	Disable external interrupt
	SEL RBO	Select register bank a
	SEL RBI	Select register bank 1
8 SEL MBa		Select memory bank a
	SEL MBI	Select memory bank 1
	ENTO CLK	Enable clock ouiput on TO
	NOP	No operation

Mnemonics copyright Intel Corporation 1976

6-20 AFN-ootI8OA-03