[posted and mailed]

Simon Williams <*email*@*luddite.ca*> wrote in 
news:2191435.VTVERYDM@news.telusplanet.net:

> My previous technique was to PEEK each byte of the file and then POKE
> it into ADDRESS - $2C, but that was very slow.

conjecture code, i.e. not tested, mom's playing on my GS right now.

5 INPUT " Enter file name to load";FN$
10 ?chr$(4)"bload ";FN$;",a$2000,b$2c" : REM load file at byte $2C
20 FL = PEEK(48840) + 256 * PEEK(48841) -44 : REM $2C = 44 decimal
30 ?chr$(4)"bsave ";fn$;",a$2000,L";FL : REM save shortened file

some of the ideas were adapted from
http://ground.ecn.uiowa.edu/apple2/MiscInfo/Techinfo/bi.globals




[posted and mailed]

Simon Williams <*email*@*luddite.ca*> wrote in 
news:2202331.UIIGEEEN@news.telusplanet.net:

> Don't really see why it doesn't work... the PEEKS are correct. Line 10
> works fine in a different routine and so does line 30, but for some
> reason they won't play nice together... (and I *have* checked my typing
> about a million times)
> 
> Any thoughts?

add a line for debugging
25 PRINT "FL = ";FL

but looking back at my vintage 1983 3-ring ProDos techninal reference, I 
used the wrong peek locations...
this should work better...

20 FL = PEEK(48857) + 256 * PEEK(48858) -44 : REM $2C = 44 decimal
or
20 FL = PEEK(48859) + 256 * PEEK(48860) -44 : REM $2C = 44 decimal
officially 
Number of bytes to be read/written and
returned # of bytes read/written         respectively
they are usually the same.




Simon Williams <*email*@*luddite.ca*> wrote in 
news:2191435.VTVERYDM@news.telusplanet.net:

> Well, I'm basically trying to figure out how to strip the headers off of
> unforked WAV files. I figured the most straight-forward way was to 
> BLOAD the file and then BSAVE only the audio data portion, which is from
> $2C after the file start. 

There is also a program caled The Stripper that was (and is) on the old AOL 
support area.  I emailed it to Simon already.

Subject:  The Stripper (Mac headers)   SHK
Author:  Joseph Schober
Uploaded By:  AFA JoeyS
Date:  07/21/90

A utility that allows you to remove headers from files downloaded from 
online services.  You can remove...
  - Mac AO headers    [automatically].
  - MacBinary headers [automatically].
  - Any number of bytes (1-255) from the top of the file,
    manually specified.

Really useful for those loose transfer protocol headers on files.
Works on any Apple II.  Unpack with ShrinkIt.  Docs included.