參數(shù)資料
型號(hào): HTG2190
廠商: Holtek Semiconductor Inc.
元件分類: 8位微控制器
英文描述: 8-Bit 1024 Pixel LCD Microcontroller
中文描述: 8位單片機(jī)1024像素LCD
文件頁(yè)數(shù): 61/64頁(yè)
文件大?。?/td> 417K
代理商: HTG2190
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 memories) 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 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 0
Description
If the contents of the specified data memory is 0, 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 with the next instruction.
Operation
Skip if [m]=0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HTG2190
Rev. 1.00
61
June 29, 2001
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