Groups > comp.sys.apple2.programmer > #1978

Re: RWTS return codes

Newsgroups	comp.sys.apple2.programmer
Date	2015-11-24 14:41 -0800
References	<ea18cb22-dd31-4ef1-a592-751221e7a5e9@googlegroups.com>
Message-ID	<c37c6bf6-6a89-45cd-bf78-6fbc59c38b3f@googlegroups.com> (permalink)
Subject	Re: RWTS return codes
From	qkumba <peter.ferrie@gmail.com>

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Error codes are not meaningful if the carry is clear on return.
Specifically, it's the value of the last byte that was decoded during read, the value of the first nibble fetched after the last one written during write, and 00 if the command was seek, at least.

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RWTS return codes Mark Lemmert <mark.lemmert@gmail.com> - 2015-11-24 09:59 -0800
  Re: RWTS return codes qkumba <peter.ferrie@gmail.com> - 2015-11-24 14:41 -0800
    Re: RWTS return codes Mark Lemmert <mark.lemmert@gmail.com> - 2015-11-26 08:08 -0800
  Re: RWTS return codes gids.rs@sasktel.net - 2015-11-26 07:36 -0800
    Re: RWTS return codes Mark Lemmert <mark.lemmert@gmail.com> - 2015-11-26 08:15 -0800
      Re: RWTS return codes qkumba <peter.ferrie@gmail.com> - 2015-11-26 08:53 -0800
      Re: RWTS return codes gids.rs@sasktel.net - 2015-11-26 11:17 -0800
        Re: RWTS return codes Antoine Vignau <antoine.vignau@laposte.net> - 2015-11-26 12:50 -0800
          Re: RWTS return codes Mark Lemmert <mark.lemmert@gmail.com> - 2015-11-29 07:34 -0800
            Re: RWTS return codes qkumba <peter.ferrie@gmail.com> - 2015-11-29 08:37 -0800
              Re: RWTS return codes qkumba <peter.ferrie@gmail.com> - 2015-11-29 08:41 -0800
              Re: RWTS return codes Mark Lemmert <mark.lemmert@gmail.com> - 2015-12-02 14:15 -0800
        Re: RWTS return codes Mark Lemmert <mark.lemmert@gmail.com> - 2015-11-29 07:20 -0800

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