Intel UPI-C42 User Manual
Page 24
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
data
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
data
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
data
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
data
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
data
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
data
AND immediate to
2
2
port
ORL Pp
data
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
A
4
– A
7
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
data
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
data
Move immediate to
2
2
register
MOV
Rr
Move immediate to
2
2
data
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
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