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 |
|
|
*
24
