novaBBS - comp.sys.apple2 - Re: RamFAST ROM differences

RamFAST ROM differences

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From: no_em...@invalid.invalid (Andrew Roughan)
Newsgroups: comp.sys.apple2
Subject: RamFAST ROM differences
Date: Tue, 5 Jul 2022 14:16:06 -0000 (UTC)
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by: Andrew Roughan - Tue, 5 Jul 2022 14:16 UTC

Has anyone studied the RamFAST ROM content to see what changed between
versions?

CSA2FAQ mentions a bug in the restore action of 3.01e which will trash your
partition table.
I didn’t find anything else with google.

I hope GEnie RT may have more info with announcements of new versions being
available but I don’t have access to this content myself.

I was playing with the ROM utility and saw some things I’d like to improve.
Eg Ciderpress and RamFAST 32MB sizes appear to be off by one block. Would
be better to align them. I assume RF is wrong.

I have received some source code but it may not be the latest. I don’t see
anything about 3.01f in it.

Re: RamFAST ROM differences

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Subject: Re: RamFAST ROM differences
From: thefad...@gmail.com (fadden)
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by: fadden - Tue, 5 Jul 2022 14:38 UTC

On Tuesday, July 5, 2022 at 7:16:08 AM UTC-7, Andrew Roughan wrote:
> I was playing with the ROM utility and saw some things I’d like to improve.
> Eg Ciderpress and RamFAST 32MB sizes appear to be off by one block. Would
> be better to align them. I assume RF is wrong.

In CiderPress, creating a 32MB volume (labeled "largest ProDOS volume") creates a 65535-block file, because that's the ProDOS limit. Partition managers will likely round up to the nearest megabyte, allocating space for 65536 blocks. I figured it's safer to copy a 65535-block volume into a 65536-block space than the other way around, so went with the smaller size.

You can create a 65536-block volume in CiderPress by entering the size manually.

Re: RamFAST ROM differences

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From: mitch...@hotmail.com (Mitchell Spector)
Newsgroups: comp.sys.apple2
Subject: Re: RamFAST ROM differences
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by: Mitchell Spector - Fri, 8 Jul 2022 09:42 UTC

Andrew Roughan <no_email@invalid.invalid> wrote:

>Has anyone studied the RamFAST ROM content to see what changed between
>versions?

I would be interested in that as well. Particularly what type of code is
stored in 'U16' on the RamFAST revision C, and was v2.01 the
final version? (the card has two ROM sockets).

In terms of important updates, I do remember 3.00L or higher (for both
cards) was necessary for working with removable media.

>CSA2FAQ mentions a bug in the restore action of 3.01e which will trash your
>partition table.
>I didnt find anything else with google.

Only 1 byte of data changed between 3.01e and 3.01f. It corrected a bug
in with the built-in RamFAST utilities 'restore' option for tape backups.

Mitchell Spector

Statistics are no substitute for judgement. -- Henry Clay

computers / comp.sys.apple2 / Re: RamFAST ROM differences

Subject	Author
RamFAST ROM differences	Andrew Roughan
Re: RamFAST ROM differences	fadden
Re: RamFAST ROM differences	Mitchell Spector