Oleg Skydan wrote:

Problem #2:
Extension word for register mode has "Repetition count" field. But I can't find any mentioning of this field in instruction syntax description in User Guide (and in IAR assembler documentation as well). So does it need to be an
extra operand, preceding pseudo-op or something else?

I vote for the preceeding pseudo-op (syntax similar to Motorola DSP56xxx assembler).

Thnks, after your message I finally found "rpt" pseudo-op in IAR assembler release notes:
"3.42A 2006-12-07
An error message is issued if an instruction with immediate source operand is found in combination with the rpt instruction."
Ok, I'm starting to study the way how to implement pseudo-op in as.

  Sergey.

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