[Coco] CoCo f83 -- Questions on .bin file format and disk layout for non SSSD disks.

[Brett Heath]

On 12/19/08, Darren A <mechacoco at gmail.com> wrote:
> On 12/19/08, Brett Heath wrote:
>>
>> Ok, how picky is Basic about the length (in the preamble) and the position
>> of
>> the post-bytes.
>>
>> The reason I'm asking is that currently the meta/cross compiler saves
>> files
>> in sizes that are mutliples of 1K with a zero fill from the end-of-image
>> to
>> the
>> next 1K boundary. The value currently being stored in the length field
>> reflects
>> reflects this. So, if I just tack the post-amble on at end-of-image
>> and zero fill till
>> the next 1K boundary should I expect that to work or does the post-amble
>> have to be in the last sector of the file or perhaps even at the end of
>> the
>> last sector?
>
> The LOADM command uses the LENGTH field in the preamble to determine
> how many bytes to read and store into memory (starting at the address
> specified in the preamble).  It expects the postamble (or a preamble
> for another segment) to appear immediately following the segments last
> data byte.
>
> Any data in the file following the postamble is ignored by LOADM.
>
> Darren

Ahhh...

That explains a lot.

Got it. Thanks.

Brett K. Heath