• PicŪ Basic


  • OnLine Ordering


    Order PDS via our online ordering system. Follow this link directly to the Proton section to order PDS


    Click HERE to order Proton Compiler and Amicus Boards

    Read about PDS, find out what it can do for you, what you'll need to use it and product licensing.






    Replacement License Key

    Have you lost your license key? If you require a replacement USB license key, you may order one online.



    • We will check that you are registered as a licensed user on our system.
    • You may be asked to provide proof of purchase. (for example, if you did not purchase direct from Crownhill)
    • We will issue ONLY 1 (one) replacement license key per user, If you loose the replacement key will will NOT issue another key.
    • If you did NOT purchase PDS, or received it as a free sample or complimentary copy, we reserve the right to decline your request.
    • Follow this link to order online.




    Exchange License Key






    If your License Key ceases to operate and its out of warranty, you may order an exchange key

  • Recent Activity

    towlerg-21522

    UltraEdit adaption.

    Thread Starter: johngb

    I didn't know where to post this thread but as I guess this section is one of the most viewed I am posting here. After Les mentioned UltraEdit on...

    towlerg Today, 00:52 Go to last post
    joesaliba-353

    Correct use of bit names

    Thread Starter: joesaliba

    So I have the following: - Symbol RBIF = INTCON.0 ' Port B Interrupt-On-Change (IOCx) Interrupt Flag bit Symbol INT0IF = INTCON.1 ' INT0...

    joesaliba Yesterday, 17:20 Go to last post
    xldaedalus-432

    Coming out of an ISR

    Thread Starter: johngb

    I am adding error handlers to my P-RTOS24 and want to handle the situation where a task hangs and blocks returning to the OS. To do this I have a...

    xldaedalus Today, 00:21 Go to last post