是否有任何指令或操作员将字节从10110001转换为10001101？ [英] is there any instruction or operator to convert a Byte from 10110001 to 10001101?
问题描述
是否有任何单个指令或操作符在''C''[作为旋转（RL A）在
8051汇编中）]到
转换一个字节使得MSB将变为LSB等等.....
例如：11101010将成为01010111
它可以通过构建函数来完成，但如果有任何单个
指令而不是plz告诉....
Hi,
is there any single instruction or operator in ''C'' [as Rotate(RL A) in
8051 assembly)] to
convert a byte such that MSB will become LSB and so.....
for example:11101010 will become 01010111
it can be done by building a function,,but if there is any single
instruction than plz tell....
推荐答案
2006年3月15日星期三22:14，NISARG认为（
< 11 ***************** ****@j33g2000cwa.googlegroups.com>）：
On Wednesday 15 March 2006 22:14, NISARG opined (in
<11*********************@j33g2000cwa.googlegroups. com>):
C中有任何单个指令或操作符[作为旋转（RL A） ）
8051汇编）]转换一个字节使MSB变为LSB等等......例如：11101010将成为01010111
它可以通过构建一个函数来完成，但是如果有任何单个
指令而不是plz告诉....
Hi,
is there any single instruction or operator in ''C'' [as Rotate(RL A)
in
8051 assembly)] to
convert a byte such that MSB will become LSB and so.....
for example:11101010 will become 01010111
it can be done by building a function,,but if there is any single
instruction than plz tell....
不，没有这样的指示，但正如你所说，将b / b
实现为函数或宏并不困难。
-
BR，Vladimir
组装完仪器后，
将在工作台上找到额外的组件。
No, there is no such instruction, but as you say, it''s not difficult to
implement as a function or a macro.
--
BR, Vladimir
After an instrument has been assembled,
extra components will be found on the bench.
" NISARG" < NI *********** @ yahoo.com>写道：
"NISARG" <ni***********@yahoo.com> writes:
在''C'中有任何单指令或运算符[作为8051汇编中的旋转（RL A））]
转换为字节使得MSB将变为LSB等......例如：11101010将成为01010111
is there any single instruction or operator in ''C'' [as Rotate(RL A) in
8051 assembly)] to
convert a byte such that MSB will become LSB and so.....
for example:11101010 will become 01010111
No.
-
我看到它的方式，一个不同意我的聪明人是
可能是我将与之互动的最重要的人在任何给定的
天。
- 比利Chambless
No.
--
"The way I see it, an intelligent person who disagrees with me is
probably the most important person I''ll interact with on any given
day."
--Billy Chambless
" NISARG" < NI *********** @ yahoo.com>写道：
"NISARG" <ni***********@yahoo.com> writes:
是'C'中的任何单指令或运算符[作为8051汇编中的旋转（RL A）]]
转换一个字节使得MSB将变为LSB等等.....
例如：11101010将成为01010111
Hi,
is there any single instruction or operator in ''C'' [as Rotate(RL A) in
8051 assembly)] to
convert a byte such that MSB will become LSB and so.....
for example:11101010 will become 01010111
这是位反转，但你的汇编指令是一个
轮换。这些都是不同的东西，你想要的是什么？
无论哪种方式，都没有C操作员这样做。
考虑256-字节查找表。或测试&单独设置位。
-
John Devereux
This is bit reversal, but your assembly instruction is a
rotation. These are different things, which do you want?
Either way, there is no C operator to do this.
Consider a 256-byte lookup table. Or test & set bits individually.
--
John Devereux
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