Intel mcs-48 manual M8048/M8748/M8035L, Instruction SET

M8048/M8748/M8035L

INSTRUCTION SET

Mnemonic

ADD A, R

ADD A,@R

ADD A, #data

ADDC A, R

ADDC A,@R

ADDC A, #data

ANL A, R

ANLA,@R

ANL A, #data

ORL A, R

~ORL A, @R

::J ORL A, 'data

E

::J XRL A, R

~XRL A, @R XRL A, #data

INC A DECA CLR A CPL A DAA SWAP A RL A RLC A

RRA

RRC A

IN A, P

OUTL P, A

Description	Bytes Cycle	..	Mnemonic
Add register to A		c	CALLaddr
		:;
Add data memory to A		e	RET
Add immediate to A		<II'"	RETR
		::J
Add register with carry
Add data memory with carry		..	CLR C
Add immediate with carry			CPL C
And register to A		co	CLR FO
And data memory to A		Il	CPL FO
And immediate to A			CLR F1
Or register to A			CPL F1
Or data memory to A
Or immediate to A			MOV A, R
Exclusive or register to A			MOV A,@R
Exclusive or data memory to A			MOV A, #data
Exclusive or immediate to A			MOV R, A
Increment A		..	MOV@R,A
Decrement A			MOV R, #data
Clear A		~	MOV @R, #data
Complement A		::E	MOV A, PSW
Decimal adjust A		l!	MOV PSW, A
Swap nibbles of A		co	XCH A, R
		C
Rotate A left			XCHA,@R
Rotate A left through carry			XCHD A,@R
Rotate A right			MOVXA,@R
Rotate A right through carry			MOVX@R,A
			MOVPA,@A
Input port to A			MOVP3 A,@A
Output A to port

Description	Bytes Cycles
Jump to subroutine
Return	2
Return and restore status	2

Clear carry

Complement carry

Clear flag 0

Complement flag 0

Clear flag 1

Complement flag 1

Move register to A

Move data memory to a

Move immediate to A

Move A to register

Move A to data memory

Move immediate to register

Move immediate to data memory

Move PSW to A

Move A to PSW

Exchange A and register

Exchange A and data memory

Exchange nibble of A and register

Move external data memory to A

Move A to external data memory

Move to A from current page

Move to A from page 3

ANL P, #data

ORL P, #data

'S INS A, BUS

%

., OUTL BUS, A 0

ANL BUS, #data

::J

"- ORL BUS, #data

.5

MOVD A, P

MOVD P, A

ANLD P, A

ORLD p, A

i INC R

.. INC@R

And immediate to port Or imm~diate to port

Input BUS to A

Output A to BUS

And immediate to BUS Or immediate to BUS Input expander port to A Output A to expander port And A to expander port Or A to expander port

Increment register Increment data memory

MOV A, T

~MOVT, A

STRT T::J

0

0.. STRT CNT -;:

STOP TCNT

E

i= EN TCNTI DIS TCNTI

EN I

DIS I

:g SEL RBO

cSEL RB1

8 SEL MBO

Read timer/counter

Load timer/counter

Start timer

Start counter

Stop timer/counter

Enable timer/counter interrupt Disable timer/counter interrupt

Enable external interrupt Disable external interrupt Select register bank 0 Select register bank 1 Select memory bank 0

'"

DEC R

Decrement register

SEL MB1 ENTO CLK

Select memory ban k 1 Enable clock output on TO

J:

JMP addr

JMPP@A DJNZ R, addr JC addr JNC addr JZ addr

JNZ addr

Jump unconditional Jump indirect Decrement register and skip Jump on carry = 1

Jump on carry = 0 Jump on A zero Jump on A not zero

NOP No operation

"c JTO addr e! JNTO addr

CD

JT1 addr

JNT1 addr

JFO addr

JF1 addr

JTF addr

JNI addr

JBb addr

Jump on TO ~ 1

Jump on TO ~ 0

Jump on T1 ~ 1

Jump on T1 ~ 0

Jump on FO ~ 1

Jump on F1 = 1

Jump on timer flag

Jump on INT ~ 0

Jump on accumulator bit

Mnemonics copyright Intel Corporation 1978

6-31 AFN-Q0780A-QS