Subject:
|
programming help.
|
Newsgroups:
|
lugnet.robotics.handyboard
|
Date:
|
Sat, 31 Oct 1998 18:34:51 GMT
|
Original-From:
|
edmund <ho106@singnet%StopSpam%.com.sg>
|
Viewed:
|
1785 times
|
| |
|
|
hello
can someone please tell me what does the following command line mean?
bit_set(0x0e, 1 << (4 + motor));
i know that 0x0e refers to memory location $0E but how does bit_set
work? is it similar to poke? and more importantly, what operation
does '1 << (4 + motor)' perform?
any help will be appreciated. thanks.
edmund
|
|
Message has 1 Reply:
 | | Re: programming help.
|
| (...) In binary 1 is represented by 0000-0001 1 << 1 is 0000-0010 aka 2 1 << 2 is 0000-0100 aka 4 1 << 3 is 0000-1000 aka 8 You get the idea? x << y means slide x to the left y times. motor is probably a number between 0 and 3. 4+motor is then a (...) (26 years ago, 31-Oct-98, to lugnet.robotics.handyboard)
|
2 Messages in This Thread:
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
