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A
alexis23
Visitor II
January 7, 2003
Question

JRIH/JRIL instructions on ST72264

  • January 7, 2003
  • 2 replies
  • 797 views
Posted on January 07, 2003 at 05:00

JRIH/JRIL instructions on ST72264

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    2 replies

    A
    alexis23Author
    Visitor II
    January 6, 2003
    Posted on January 06, 2003 at 10:36

    Hello,

    What do these two instructions ?

    A description like 'jump if Port interrupt high' that can be found in the prog manual isn't really clear for me.

    Thank you

    S
    stephanie
    Visitor II
    January 7, 2003
    Posted on January 07, 2003 at 05:00

    These 2 instructions are not used. In fact, the interrupt line is an

    internal CPU interrupt line whose state is completely different

    depending on the considered device.

    These 2 instructions will be suppressed for the next ST7 generation, but have been kept in ths ST7 programming manual for historical reason (1 client uses them).
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