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Re: creating a new Apple IIgs ROM 03 checksum

Subject: Re: creating a new Apple IIgs ROM 03 checksum
From: retrogear <larrygr510@gmail.com>
Date: Wed, 24 Apr 2013 12:32:44 -0700 (PDT)
Complaints-to: groups-abuse@google.com
In-reply-to: <2978cdc3-c5f9-4167-905b-3851ab7c61c8@googlegroups.com>
Injection-date: Wed, 24 Apr 2013 19:32:44 +0000
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Newsgroups: comp.sys.apple2
References: <47419b36-48c6-4846-8a8d-6f1d3edda6cd@googlegroups.com> <a200e0ca-2322-478e-b1a4-0da1b7d31eae@googlegroups.com> <50851ad5-01f7-44f3-b4d6-3e8e052f9e04@googlegroups.com> <0d9a83c6-83e7-4381-875d-a279fafce411@googlegroups.com> <2978cdc3-c5f9-4167-905b-3851ab7c61c8@googlegroups.com>
User-agent: G2/1.0

On Wednesday, April 24, 2013 1:38:42 PM UTC-5, Antoine Vignau wrote:
> From my understanding of the original code, this is a checksum from 16-bit values every 2 bytes, then the DEY BEQ END is useless. Am i right? Av

it could be, or just added insurance it doesn't double decrement below zero

Larry

References:
- creating a new Apple IIgs ROM 03 checksum
  - From: retrogear <larrygr510@gmail.com>
- creating a new Apple IIgs ROM 03 checksum
  - From: Antoine Vignau <antoine.vignau@laposte.net>
- Re: creating a new Apple IIgs ROM 03 checksum
  - From: retrogear <larrygr510@gmail.com>
- Re: creating a new Apple IIgs ROM 03 checksum
  - From: Antoine Vignau <antoine.vignau@laposte.net>
- Re: creating a new Apple IIgs ROM 03 checksum
  - From: Antoine Vignau <antoine.vignau@laposte.net>

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