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THE BOOK of DT's INTERRUPTS is an organization of interrupt service routines and other works written by Darrel Taylor, RIP.

Interrupt routines are arranged per Darrel's original list. Darrel Taylor's Instant Interrupts are an extension of the work of Tim Box whom in October of 2002 wrote INT_CTRL.pbp

Many of the forum members felt this is a long overdue project.

THE BOOK of DT's INTERRUPTS
will be a valuable resource and a tribute to Darrel Taylor the "Fanatical Contributor".

THE BOOK of DT's INTERRUPTS is located at http://dt.picbasic.co.uk/

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  1. Re: My "Library" for ST7920 Graphical displays, works fine, but...

    Have you measure what clock speed you're getting?
    Standard "high speed" I2C clock is 400kHz, maximum clock speed of a Microchip 24C256 when run at >2.5V is 1MHz.
    SPI-interface flash chips usually...
  2. Re: My "Library" for ST7920 Graphical displays, works fine, but...

    No.
    SSPBUF is the Synchronous Serial Port Receive Buffer/Transmit Register. It's the name of register to/from which you write/read whatever gets shifted out.
  3. Re: My "Library" for ST7920 Graphical displays, works fine, but...

    I'll just point to MELABS: https://melabs.com/samples/PBP-mixed/spimast.htm That example is what I used as a basis when I first used the MSSP module for SPI (for interfacing the W5100 (search the...
  4. Re: My "Library" for ST7920 Graphical displays, works fine, but...

    Oh, you don't want to limit yourself to the hundreds of available 18F series devices so your contemplating using old parallell I/F EEPROMs instead, needing so many I/O-lines that you'll probably have...
  5. Re: My "Library" for ST7920 Graphical displays, works fine, but...

    Oh, you don't want to limit yourself to the hundreds of available 18F series devices so your contemplating using old parallell I/F EEPROMs instead, needing so many I/O-lines that you'll probably have...
  6. Re: My "Library" for ST7920 Graphical displays, works fine, but...

    Store the font data in program memory instead.
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