[Coco] Size limit for loadm?

[Arthur Flexser]

(On second thought, I'm pretty sure moving the stack below $e00 would cause
Basic to give an ?OM error, out of memory.)

Art

On Wed, Mar 9, 2022 at 6:30 AM Arthur Flexser <flexser at fiu.edu> wrote:

> The stack is just below $8000, default is 200 bytes below.
>
> >Isn’t the stack at $8000 by default so an 8k load would overwrite it?
>
> I think you are confused about how much a K is.  One K equals 1024 bytes,
> or $400 bytes.  $2000 is 8K, $8000 is 32K.  If your program is in fact
> $8000 bytes or 32K, it would indeed overwrite the stack if you tried to
> loadm it, unless you moved the stack to somewhere below $E00 that does not
> cause Basic to crash, like the cassette buffer.
>
> Art
>
> Art
>
> On Wed, Mar 9, 2022 at 6:12 AM Don Barber <don at dgb3.net> wrote:
>
>> Sorry I wasn’t clear. I am using basics loadm. The io routines are chrout
>> and chrin found around $a000 in the rom.
>>
>> Isn’t the stack at $8000 by default so an 8k load would overwrite it?
>>
>> Sent from my iPhone
>>
>> > On Mar 9, 2022, at 2:48 AM, Robert Gault <robert.gault at att.net> wrote:
>> >
>> > That should not be a problem but will depend on whether the program is
>> self starting. If it is not self starting, you may need to PCLEAR some
>> memory or adjust the location where Basic expects programs to be located.
>> > It would help if you report any errors you are getting or exactly what
>> problems you are seeing. What is your program supposed to be doing? Why do
>> you want it to load at $E00? Is it a program or some type of data file?
>> > You might even consider posting the source code for us to look at,
>> test, and offer suggestions for getting it to work as desired.
>> > Sent from AT&T Yahoo Mail on Android
>> >
>> >  On Tue, Mar 8, 2022 at 11:12 PM, Don Barber<don at dgb3.net> wrote:   Is
>> there a size limit for .bin files loaded for disk? I’ve compiled an 8k
>> .bin, with org set to $0e00, and with my own IO routines (so don’t even
>> need to worry about overwriting the rom)…but getting weird issues on
>> loading. I think I might be overwriting the return stack for the loadm
>> call. Any advice?
>> > Sent from my iPhone
>> >
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