Elenco Electronics MM-8000, User Manual

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8-19
8085A INSTRUCTION SET SUMMARY (Cont’d)
Instruction Code (1)
Mnemonic Description D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
INCREMENT AND DECREMENT (cont’d)
DCX B Decrement B & C 0 0 0 0 1 0 1 1
DCX D Decrement D & E 0 0 0 1 1 0 1 1
DCX H Decrement H & L 0 0 1 0 1 0 1 1
ADD
ADD r Add register to A 1 0 0 0 0 S S S
ADC r Add register to A with carry 1 0 0 0 1 S S S
ADD M Add memory to A 1 0 0 0 0 1 1 0
ADC M Add memory to A with carry 1 0 0 0 1 1 1 0
ADI Add immediate to A 1 1 0 0 0 1 1 0
ACI Add immediate to A with carry 1 1 0 0 1 1 1 0
DAD B Add B & C to H & L 0 0 0 0 1 0 0 1
DAD D Add D & E to H & L 0 0 0 1 1 0 0 1
DAD H Add H & L to H & L 0 0 1 0 1 0 0 1
DAD SP Add stack pointer to H & L 0 0 1 1 1 0 0 1
SUBTRACT
SUB r Subtract register from A 1 0 0 1 0 S S S
SBB r Subtract register from A with borrow 1 0 0 1 1 S S S
SUB M Subtract memory from A 1 0 0 1 0 1 1 0
SBB M Subtract memory from A with borrow 1 0 0 1 1 1 1 0
SUI Subtract immediate from A 1 1 0 1 0 1 1 0
SBI Subtract immediate from A with borrow 1 1 0 1 1 1 1 0
LOGICAL
ANA r And register with A 1 0 1 0 0 S S S
XRA r Exclusive OR register with A 1 0 1 0 1 S S S
ORA r OR register with A 1 0 1 1 0 S S S
CMP r Compare register with A 1 0 1 1 1 S S S
ANA M And memory with A 1 0 1 0 0 1 1 0
XRA M Exclusive OR memory with A 1 0 1 0 1 1 1 0
ORA M OR memory with A 1 0 1 1 0 1 1 0
CMP M Compare memory with A 1 0 1 1 1 1 1 0
ANI And immediate with A 1 1 1 0 0 1 1 0
XRI Exclusive OR immediate with A 1 1 1 0 1 1 1 0
ORI OR immediate with A 1 1 1 1 0 1 1 0
CPI Compare immediate with A 1 1 1 1 1 1 1 0
ROTATE
RLC Rotate A left 0 0 0 0 0 1 1 1
RRC Rotate A right 0 0 0 0 1 1 1 1
RAL Rotate A left through carry 0 0 0 1 0 1 1 1
RAR Rotate A right through carry 0 0 0 1 1 1 1 1
SPECIALS
CMA Complement A 0 0 1 0 1 1 1 1
STC Set carry 0 0 1 1 0 1 1 1
CMC Complement carry 0 0 1 1 1 1 1 1
DAA Decimal adjust A 0 0 1 0 0 1 1 1
CONTROL
EI Enable interrupts 1 1 1 1 1 0 1 1
DI Disable interrupt 1 1 1 1 0 0 1 1
NOP No-operation 0 0 0 0 0 0 0 0
HLT Halt 0 1 1 1 0 1 1 0
NEW 8085A INSTRUCTIONS
RIM Read Interrupt Mask 0 0 1 0 0 0 0 0
SIM Set Interrupt Mask 0 0 1 1 0 0 0 0
NOTES: 1 - DDS or SSS B 000, C 001, D 010, E011, H 100, L 101, Memory 110, A 111
2 - Two possible cycle times. (6/12) indicate instruction cycles dependent on condition flags.