Re: assembly help question

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1 total messages Started by Andrew Reilly Sat, 19 Jan 2002 21:21

#2591

Author: Andrew Reilly
Date: Sat, 19 Jan 2002 21:21

44 lines
2125 bytes

On Sun, 20 Jan 2002 09:02:19 +1100, y_jim542000@yahoo.com wrote:

> DSP is 56k motorola.
> 
> Having a mydsp.asm file with:
> start_it_here
> .
> .
> .
> end start_it_here

This information doesn't appear to be relevant to the question that
follows.  If it is, then this answer is probably wrong...

> Now,
> having data file called: mydata.data
> there is:
> start_it_here
> DC ...
> DC ...
> DC ...
> END start_it_here

(You'll need at least a space before each of those "DC" pseudo-ops on
each line.)

> how do i make the first two DC .. lines loop 20 times
> and then go to the last DC .. line?.

start_it_here
	dup 20
	DC  val_1
	DC  val_2
	endm
	DC last_val
	end start_it_here

The Motorola assembler manual, which describes dup (and it's several
variants) in great detail is available on Motorola's web pages as a PDF.
If you're doing much 56k coding, it will be handy to have it open beside
you.

-- 
Andrew Reilly

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