Intel UPI-L42, UPI-C42 specifications UPI Instruction Set, Accumulator

UPI-C42/UPI-L42

Table 4. UPI Instruction Set

Mnemonic	Description	Bytes	Cycles
ACCUMULATOR
ADD A, Rr	Add register to A	1	1
ADD A, @Rr	Add data memory	1	1
	to A
ADD A, Ýdata	Add immediate to A	2	2
ADDC A, Rr	Add register to A	1	1
	with carry
ADDC A, @Rr	Add data memory	1	1
	to A with carry
ADDC A, Ýdata	Add immediate	2	2
	to A with carry
ANL A, Rr	AND register to A	1	1
ANL, A @Rr	AND data memory	1	1
	to A
ANL A, Ýdata	AND immediate to A	2	2
ORL A, Rr	OR register to A	1	1
ORL, A, @Rr	OR data memory	1	1
	to A
ORL A, Ýdata	OR immediate to A	2	2
XRL A, Rr	Exclusive OR regis-	1	1
	ter to A
XRL A, @Rr	Exclusive OR data	1	1
	memory to A
XRL A, Ýdata	Exclusive OR imme-	2	2
	diate to A
INC A	Increment A	1	1
DEC A	Decrement A	1	1
CLR A	Clear A	1	1
CPL A	Complement A	1	1
DA A	Decimal Adjust A	1	1
SWAP A	Swap nibbles of A	1	1
RL A	Rotate A left	1	1
RLC A	Rotate A left through	1	1
	carry
RR A	Rotate A right	1	1
RRC A	Rotate A right	1	1
	through carry
INPUT/OUTPUT
IN A, Pp	Input port to A	1	2
OUTL Pp, A	Output A to port	1	2
ANL Pp, Ýdata	AND immediate to	2	2
	port
ORL Pp, Ýdata	OR immediate to	2	2
	port
IN A, DBB	Input DBB to A,	1	1
	clear IBF
OUT DBB, A	Output A to DBB,	1	1
	set OBF
MOV STS, A	A4 – A7 to Bits 4 – 7 of	1	1
	Status
MOVD A, Pp	Input Expander	1	2
	port to A
MOVD Pp, A	Output A to	1	2
	Expander port
ANLD Pp, A	AND A to Expander	1	2
	port
ORLD Pp, A	OR A to Expander	1	2
	port

Mnemonic	Description	Bytes	Cycles
DATA MOVES
MOV A, Rr	Move register to A	1	1
MOV A, @Rr	Move data memory	1	1
	to A
MOV A, Ýdata	Move immediate to A	2	2
MOV Rr, A	Move A to register	1	1
MOV @Rr, A	Move A to data	1	1
	memory
MOV Rr, Ýdata	Move immediate to	2	2
	register
MOV @Rr,	Move immediate to	2	2
Ýdata	data memory
MOV A, PSW	Move PSW to A	1	1
MOV PSW, A	Move A to PSW	1	1
XCH A, Rr	Exchange A and	1	1
	register
XCH A, @Rr	Exchange A and	1	1
	data memory
XCHD A, @Rr	Exchange digit of A	1	1
	and register
MOVP A, @A	Move to A from	1	2
	current page
MOVP3, A, @A	Move to A from	1	2
	page 3
TIMER/COUNTER
MOV A, T	Read Timer/Counter	1	1
MOV T, A	Load Timer/Counter	1	1
STRT T	Start Timer	1	1
STRT CNT	Start Counter	1	1
STOP TCNT	Stop Timer/Counter	1	1
EN TCNTI	Enable Timer/	1	1
	Counter Interrupt
DIS TCNTI	Disable Timer/	1	1
	Counter Interrupt
CONTROL
*EN A20	Enable A20 Logic	1	1
EN DMA	Enable DMA Hand-	1	1
	shake Lines
EN I	Enable IBF Interrupt	1	1
DIS I	Diable IBF Inter-	1	1
	rupt
EN FLAGS	Enable Master	1	1
	Interrupts
*SEL PMB0	Select Program	1	1
	memory bank 0
*SEL PMB1	Select Program	1	1
	memory bank 1
SEL RB0	Select register	1	1
	bank 0
SEL RB1	Select register	1	1
	bank 1

*UPI-C42/UPI-L42 Only.

24