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JRIH/JRIL instructions on ST72264

alexis23
Associate II
Posted on January 07, 2003 at 05:00

JRIH/JRIL instructions on ST72264

2 REPLIES 2
alexis23
Associate II
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

stephanie
Associate II
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).