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參數資料
| 型號： | HTVDS84 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 8-Bit High Performance Microcontroller With Macro Instruction and Voice Synthesizer and Tone Generator(高性能、8位微控制器，帶宏指令、聲話音成器和聲音發生器) |
| 中文描述： | 8位高性能微控制器，帶有宏觀指導和語音合成器和音發生器（高性能，8位微控制器，帶宏指令，聲話音成器和聲音發生器） |
| 文件頁數： | 41/44頁 |
| 文件大小： | 275K |
| 代理商： | HTVDS84 |
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HTVDS84
41
June 7, 2000
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 memory) 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-place result in accumulator
Description
The low-order and high-order nibbles of the specified data memory are inter-
changed, writing the result to the accumulator. The contents of the data
memory remain unchanged.
Operation
ACC.3~ACC.0
ACC.7~ACC.4
[m].7~[m].4
[m].3~[m].0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SZ [m]
Skip if data memory is zero
Description
If the contents of the specified data memory is zero, the following instruction,
fetched during the current instruction execution, is discarded and a dummy
cycle is replaced to get the proper instruction. This is a 2-cycle instruction.
Otherwise proceed to the next instruction.
Operation
Skip if [m]=0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
SZA [m]
Move data memory to ACC, skip if zero
Description
The contents of the specified data memory is copied to accumulator. If the
contents is zero, the following instruction, fetched during the current in-
struction execution, is discarded and a dummy cycle is replaced to get the
proper instruction. This is a 2-cycle instruction. Otherwise proceed to the
next instruction.
Operation
Skip if [m]=0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
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