Intel UPI-C42 Computer Hardware User Manual


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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 Addimmediate 2 2
to A with carry
ANL A Rr AND register toA 1 1
ANL A
Rr AND data memory 1 1
to A
ANL A
data AND immediate to A 2 2
ORL A Rr ORregister to A 1 1
ORL A
Rr OR data memory 1 1
to A
ORL A
data OR immediateto A 2 2
XRL A Rr Exclusive OR regis- 1 1
ter to A
XRL A
Rr ExclusiveOR 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 DecrementA 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 Aleft 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 immediateto 2 2
port
IN A DBB Input DBB to A 1 1
clear IBF
OUT DBB A Output Ato 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 Moveimmediate to 2 2
register
MOV
Rr Move immediate to 2 2
data data memory
MOV A PSW Move PSWto A 1 1
MOV PSW A Move Ato PSW 1 1
XCH A Rr ExchangeA and 1 1
register
XCH A
Rr ExchangeA 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 EnableTimer 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 IBFInterrupt 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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