[Coco] CLOAD to LOAD help pls
rietveld rietveld
rietveldh at hotmail.com
Mon Nov 13 15:39:53 EST 2017
If I understand you correctly then I should change line 400 to read EXEC 32027 to reflect the memory location I am using?
Sent from my BlackBerry Passport Red Edition.
Original Message
From: Arthur Flexser
Sent: Monday, November 13, 2017 3:34 PM
To: CoCoList for Color Computer Enthusiasts
Reply To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] CLOAD to LOAD help pls
There are different techniques for end-packing code. If the exec address
SP is specified properly with respect to the end-of-program pointer at
$1B-1C so that you are exec'ing to an address that is some specified number
of bytes below the end of program, it should work okay when loaded from
disk. If the programmer didn't do it that way, but specified the exec
address SP as some constant, then it'll be messed up when the program is
moved to disk.
Art
On Mon, Nov 13, 2017 at 3:23 PM, rietveld rietveld <rietveldh at hotmail.com>
wrote:
> I tried just CLOAD and SAVE but when I run the program from disk I get an
> error in the line 400 EXEC SP. It works fine when CLOAD ed from tape and
> run
>
> Sent from my BlackBerry Passport Red Edition.
> Original Message
> From: Arthur Flexser
> Sent: Monday, November 13, 2017 3:15 PM
> To: CoCoList for Color Computer Enthusiasts
> Reply To: CoCoList for Color Computer Enthusiasts
> Subject: Re: [Coco] CLOAD to LOAD help pls
>
>
> I would think all you'd need to do is CLOAD the program and then SAVE it to
> disk. If it has end-packed ML code, that should be carried right along and
> needn't be saved separately. Just LOAD the disk program and run it.
>
> Art
>
> On Mon, Nov 13, 2017 at 3:04 PM, rietveld rietveld <rietveldh at hotmail.com>
> wrote:
>
> > Hi
> >
> > I have a BASIC program on tape that has a ML program appended to the end
> > of it. When I 'CLOAD' on my 32k coco1 the BASIC and ML program load. I
> RUN
> > the BASIC program and it loads the ML into upper RAM.
> > I want to use this program from disk instead of tape for ease of loading
> I
> > saved the BASIC program with, 'SAVE "PVR25.BAS". And I since the ML
> was
> > moved to high memory I was able to 'SAVEM "PVR25.bin",32027,32767,32027.
> > I just don't know how to append the two problems together like when
> they
> > load from tape I need to LOAD"PvR25.BAS" and LOADM"PVR25.BIN". The
> BASIC
> > program displays the program instructions then loads the ML into high
> > memory. If I just LOADM"PVR25.BIN " will it automatically be moved to
> 32027
> > where I had saved it from?
> >
> > Sent from my BlackBerry Passport Red Edition.
> >
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