Datasheet

DS80C320/DS80C323 High-Speed/Low-Power Microcontrollers
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Table 1. Instruction Set Summary
SYMBOL FUNCTION SYMBOL FUNCTION
A Accumulator bit direct bit-address
Rn Register R7 to R0 #data 8-bit constant
direct Internal Register Address #data 16 16-bit constant
addr 16 16-bit destination address
@Ri
Internal Register pointed to by R0 or
R1 (except MOVX)
addr 11 11-bit destination address
rel Two’s Complement Offset Byte
INSTRUCTION BYTE
OSCILLATOR
CYCLES
INSTRUCTION BYTE
OSCILLATOR
CYCLES
ARITHMATIC INSTRUCTIONS
ADD A, Rn 1 4 INC A 1 4
ADD A, direct 2 8 INC Rn 1 4
ADD A, @Ri 1 4 INC direct 2 8
ADD A, #data 2 8 INC @Ri 1 4
ADDC A, Rn 1 4 INC DPTR 1 12
ADDC A, direct 2 8 DEC A 1 4
ADDC A, @Ri 1 4 DEC Rn 1 4
ADDC A, #data 2 8 DEC direct 2 8
SUBB A, Rn 1 4 DEC @Ri 1 4
SUBB A, direct 2 8 MUL AB 1 20
SUBB A, @Ri 1 4 DIV AB 1 20
SUBB A, #data 2 8 DA A 1 4
LOGICAL INSTRUCTIONS
ANL A, Rn 1 4 XRL A, Rn 1 4
ANL A, direct 2 8 XRL A, direct 2 8
ANL A, @Ri 1 4 XRL A, @Ri 1 4
ANL A, #data 2 8 XRL A, #data 2 8
ANL direct, A 2 8 XRL direct, A 2 8
ANL direct, #data 3 12 XRL direct, #data 3 12
ORL A, Rn 1 4 CLR A 1 4
ORL A, direct 2 8 CPL A 1 4
ORL A, @Ri 1 4 RL A 1 4
ORL A, #data 2 8 RLC A 1 4
ORL direct, A 2 8 RR A 1 4
ORL direct, #data 3 12 RRC A 1 4