Intel mcs-48 manual Instruction SET Summary, Ret

8022

INSTRUCTION SET SUMMARY

Hexadecimal

MnemonicDescriptionBytes Cycle Opcode

	ADD A,R r	Add register to A	68,6F
	ADD A,@R	Add data memory to A	60-61
	ADD A,#dala	Add immediate 10 A	03
	AD DC A,R r	Add register with carry	78-7F
	ADDC A,@R	Add data 'memorywith	70-71
		carry
	ADDC A,#data	Add immediate with	13
		carry
	ANL A,R r	And register to A	58-SF
	ANL A,@R	And data memory to A	50-51
	ANL A,#data	And immediate to A	53
	ORL A,R r	Or register to A	4B-4F
	ORL A,@R	Or data memory to A	40-41
	ORL A,#data	Or immediate to A	43
~	XRL A,R r	Exclusive Or register	DB-OF
~		to A
E	XRL A,@R	Exclusive Or data	00-01
~
u		memory to A
u
'"	XRL A,#data	Exclusive Or immediate	03
		to A
	INC A	Increment A	17
	DEC A	Decrement A	07
	CLR A	Clear A	27
	CPL A	Complement A	37
	DA A	Decimal adjust A	57
	SWAP A	Swap nibbles of A	47
	RL A	Rotate A left	E7
	RLC A	Rotate A left through	F7
		carry
	RR A	Rotate A right	77
	RRC A	Rotate A right through	67
		carry

Mnemonic

JTO

JNTO

JTl addr

JNTl addr

JTF addr

~

c

:; CALL addr

~

.g RET

III

0 CLR C

01

.!! CPL C "-

MOV A,R r MOV A,@R MOV A,#data MOV Rr,A MOV@R,A

MOV Rr.# data

0

~

~MOV@R,#data

:I

~

'iii XCH A, Rr

Q

XCH A,@R

XCHD a,@R

MOVPA,@A

Hexadecimal

Description Bytes Cycle Ope ode

Jump on TO=l	36
Jump on TO=O	26
Jump on Tl=l	56
Jump on T1 =0	46
Jump on timer flag	16
Jump to subroutine	14,34,54,74
	94,B4,D4,F4
Return	83
Clear carry	lk 97
Complement carry	A7
Move register to A	F8-FF
Move data memory to A	FO-Fl
Move immediate to A	23
Move A to register	A8-AF
Move A to data memory	AQ-Al
Move immediate to	BS-SF
register
Move immediate to	BO-Bl
data memory
Exchange A and	28-2F
register
Exchange A and data	20-21
memory
Exchange nibble of A	30-31
and register
Move to A from current	A3
page

IN A, Pp OUTL PpA

;;~ MOVD A,Pp

~.. MOVD Pp.A

;;

=ANLD Pp.A ORLD Pp,A

~INC Rr ';;, INC@R

~

a:

JMP addr

JMPP@ A

.c

u DJNZ R,addr c

~JC addr JNC addr JZ addr JNZ addr

Input port to A

Output A to port 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

Jump unconditional

Jump indirect Decrement register and

jump on R not zero Jump on carry= 1 Jump on carry=O Jump on A zero Jump on A not zero

	S MOV A,T		Read timer I counter	42
08,09,OA	c	MOV T,A	Load timer I counter	62
	~
90,39,3A	0	STRT T		55
	!::		Start timer
OC-OF	~	STRT CNT	Start counter	45
3C-3F	~	STOP TCNT	Stop timer / counter	65
	~	RAD	Move conversion result	80
9C-9F	1:		register to A
	~
BC-SF	>	SEL ANO	Select analog input	85
	c
	0		zero
	U
	Q
lB-1F	;,	SEL ANl	Select analog input one	95
10-11		EN I	Enable external	05
			interrupt
04,24,44,64,		DIS I	Disable external	15
	a EN TCNTI		interrupt
84,A4,C4,E4
			Enable timer / counter	25
B3
	j		interrupt
ES-EF
	=DIS TCNTI		Disable timer / counter	35
F6			interrupt
		RET I	Return from interrupt	93
E6
C6		NOP	No operation	00
96

Mnemonics copyright Intel Corporation, 1978_

Instruction Set - The following instructions, which are found in the 8748, have been deleted from the 8022 instruction set.

Data Moves		Ragisters		Branch			Control		Input/Output
MOV	A,PSW	DEC R							ANL	P,#data
MOV	PSW,A	r --							ORL	P,#data
MOVX	A,@A	Flags		JFO	addr		SEL	ABO	INS	A,BUS *
MOVX	@R,A	~ JF1			addr Subroutine SEL			RBl	OUTL	BUS,A *
MOVP3	A,@A	CPl	FO	JNI	addr	RETR	SEL	MBO	ANL	BUS,#data
				JBb	addr		SEL	MBl	ORL	BUS,#data
		CLR	F1
							ENTO ClK
		CPL	F1

-These Instructions have been replaced in the 8022 by IN A,PO and OUTL PO,A respectively,

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