Maxim-integrated DS4830 Optical Microcontroller Manual do Utilizador descarregar pdf (Página 213)

DS4830 User’s Guide

213

RR / RRC Rotate Right Accumulator Carry Flag (Ex/In)clusive

Description: Rotates the active accumulator right by a single bit position. The RR instruction circulates the lsb

of the accumulator (bit 0) back to the msb (bit 15) while the RRC instruction includes the Carry

Status Flags: C (for RRC only), S, Z (for RRC only)

RR Operation: 15 Active Accumulator (Acc) 0

Acc.[14:0] Acc.[15:1]; Acc.15  Acc.0

Encoding: 15 0

1000

1010

1100

1010

Example(s): ; Acc = A345h, S=1, Z=0

RR ; Acc = D1A2h, S=1, Z=0

RR ; Acc = 68D1h, S=0, Z=0

RRC Operation: 15 Active Accumulator (Acc) 0 Carry Flag

Acc.[14:0] Acc.[15:1]; Acc.15  C; C  Acc.0

Encoding: 15 0

1000

1010

1101

1010

Example(s): ; Acc = A345h, C=1, S=1, Z=0

RRC ; Acc = D1A2h, C=1, S=1, Z=0

RRC ; Acc = E8D1h, C=0, S=1, Z=0

1 2 ... 208 209 210 211 212 213 214 215 216 217 218 ... 226 227

Sem comentários

Maxim-integrated DS4830 Optical Microcontroller Manual do Utilizador Página 213