參數(shù)資料
型號: HT46R23
廠商: Holtek Semiconductor Inc.
英文描述: 8-Bit OTP Microcontroller
中文描述: 8位微控制器檢察官辦公室
文件頁數(shù): 39/42頁
文件大?。?/td> 1172K
代理商: HT46R23
SUB A,[m]
Subtract data memory from the accumulator.
Description
The specified data memory is subtracted from the contents of the accumulator, leaving the re-
sult in the accumulator.
Operation
ACC
ACC+[m]+1
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SUBM A,[m]
Subtract data memory from the accumulator.
Description
The specified data memory is subtracted from the contents of the accumulator, leaving the re-
sult in the data memory.
Operation
[m]
ACC+[m]+1
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SUB A,x
Subtract immediate data from the accumulator.
Description
The immediate data specified by the code is subtracted from the contents of the accumulator,
leaving the result in the accumulator.
Operation
ACC
ACC+x+1
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SWAP [m]
Swap nibbles within the data memory.
Description
The low-order and high-order nibbles of the specified data memory (one of the data memo-
ries) are interchanged.
Operation
[m].3~[m].0
[m].7~[m].4
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SWAPA [m]
Swap data memory and place result in the accumulator.
Description
The low-order and high-order nibbles of the specified data memory are interchanged, writing
the result to the accumulator. The contents of the data memory remain unchanged.
Operation
ACC.3~ACC.0
[m].7~[m].4
ACC.7~ACC.4
[m].3~[m].0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HT46R23
Rev. 1.30
39
August 17, 2001
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