AT/PS2 Keybord - PIC Interface?


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  1. #1
    skimask's Avatar
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    Quote Originally Posted by Dave View Post
    rookie11, I don't think this code will ever work. Where are the ENDIF commands to terminate the IF statements?

    Dave Purola,
    N8NTA
    One line If/Then statements....don't need an ENDIF....

    If this=0 then gosub dothis : that=1 : goto something

    ...valid statement
    If this is zero, then gosub dothis, set that to 1, then goto something.

    But that colon following the THEN in the code a few posts back looks a bit strange to me...
    And I know colons!

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    skimask , Look before you leap.... Look at where the colon lies........

    Dave Purola.
    N8NTA

  3. #3
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    Quote Originally Posted by Dave View Post
    skimask , Look before you leap.... Look at where the colon lies........

    Dave Purola.
    N8NTA
    Well, I was talking about the code attached above. He has this line (along with another that's the same way):

    If scancode.0 = 1 Then: parity = parity + 1
    ----------------------^

    I don't know how that'll compile, if it will compile good and not cause an error, if it'll work as written, or what will happen. It just doesn't look right to me, that's all...

    And I'm always keeping track of where my colon's lie...

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    skimask, The way I interpret a colon is to terminate a line of code and, allow the start of another command string to be placed on the same line. If this is the case then all of his IF/THEN statements should have and ending ENDIF command. I have not tried this as I never write code in this fashion. It is much to confusing and hard to follow the flow... Have you ever tried this format? If it works then GREAT...

    Dave Purola,
    N8NTA

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    Quote Originally Posted by Dave View Post
    It is much to confusing and hard to follow the flow... Have you ever tried this format? If it works then GREAT...
    I guess I use whatever fits/works and takes up as few actual lines on the screen.
    As far as being confusing, well, I usually don't write code for other folks (reference the High Colonic Master ), and if I wrote it for myself, then I'd better be able to follow it! And as long as a guy keeps a constant format...well, that should be all ya need...
    But, I'm going to play with the If/Then colon format thing tonight when I get home and see what happens...

  6. #6
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    Are you guys looking to emulate a PS/2 keyboard or get data from a PS/2 keyboard?

    I have pure PBP code for both if you need it.

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    Quote Originally Posted by PJALM View Post
    Are you guys looking to emulate a PS/2 keyboard or get data from a PS/2 keyboard?

    I have pure PBP code for both if you need it.
    May I see the emulation code, then?
    IF, of course, it is responding to the system commands ??


    ------------
    "If the Earth were a single state, Istanbul would be its capital." Napoleon Bonaparte

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    Quote Originally Posted by PJALM View Post
    Are you guys looking to emulate a PS/2 keyboard or get data from a PS/2 keyboard?

    I have pure PBP code for both if you need it.

    I am interested in code to emulate a PS/2 keyboard using a 16f88 interfacing to an embedded PC. Is it possible to view your PBP code?

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