HT82M99E-18 HOLTEK [Holtek Semiconductor Inc], HT82M99E-18 Datasheet - Page 32
HT82M99E-18
Manufacturer Part Number
HT82M99E-18
Description
USB Mouse Encoder 8-Bit OTP MCU
Manufacturer
HOLTEK [Holtek Semiconductor Inc]
Datasheet
1.HT82M99E-18.pdf
(45 pages)
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RET
Description
Operation
Affected flag(s)
RET A,x
Description
Operation
Affected flag(s)
RETI
Description
Operation
Affected flag(s)
RL [m]
Description
Operation
Affected flag(s)
RLA [m]
Description
Operation
Affected flag(s)
Rev. 1.50
Return from subroutine
The program counter is restored from the stack. This is a 2-cycle instruction.
PC
Return and place immediate data in the accumulator
The program counter is restored from the stack and the accumulator loaded with the speci-
fied 8-bit immediate data.
PC
ACC
Return from interrupt
The program counter is restored from the stack, and interrupts are enabled by setting the
EMI bit. EMI is the enable master (global) interrupt bit.
PC
EMI
Rotate data memory left
The contents of the specified data memory are rotated 1 bit left with bit 7 rotated into bit 0.
[m].(i+1)
[m].0
Rotate data memory left and place result in the accumulator
Data in the specified data memory is rotated 1 bit left with bit 7 rotated into bit 0, leaving the
rotated result in the accumulator. The contents of the data memory remain unchanged.
ACC.(i+1)
ACC.0
TO
TO
TO
TO
TO
Stack
Stack
Stack
1
x
[m].7
[m].7
[m].i; [m].i:bit i of the data memory (i=0~6)
PDF
PDF
PDF
PDF
PDF
[m].i; [m].i:bit i of the data memory (i=0~6)
OV
OV
OV
OV
OV
32
Z
Z
Z
Z
Z
AC
AC
AC
AC
AC
C
C
C
C
C
November 19, 2004
HT82M99E
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