Maxim Integrated DS4830 Optical Microcontroller - Manual (Page 216)

DS4830 User’s Guide
216
SRA2 Operation:
15 Active Accumulator (Acc) 0 Carry Flag
Acc.[13:0] Acc.[15:2]
Acc.[15:14]  Acc.15
C  Acc.1
Encoding:
15 0
1000 1010 1110 1010
Example(s):
; Acc = 0003h, C=0, Z=0
SRA2 ; Acc = 0000h, C=1, Z=1
SRA4 Operation:
15 Active Accumulator (Acc) 0 Carry Flag
Acc.[11:0] Acc.[15:4]
Acc.[15:12]  Acc.15
C  Acc.3
Encoding:
15 0
1000 1010 1011 1010
Example(s):
; Acc = 9878h, C=0, Z=0
SRA4 ; Acc = F987h, C=1, Z=0
SRA4 ; Acc = FF98h, C=0, Z=0