Re: Questions on launching Prodos Program from GS/OS

[Andy McFadden <fadden@fadden.com>]

Oliver Schmidt <ol.sc@web.de> wrote:
> 1. Is it correct to assume that there will always be a 64k /RAM device
> and that it will be empty?

It can be disconnected.  P8 tech note #8, "Dealing with /RAM", refers you
to section 5.2.2 of the ProDOS 8 technical reference manual:
http://linux.cis.monroeccc.edu/~paulrsm/6502/PDOS8TRM.HTM#5.2.2

> 2. My understanding is, that there is some means of associating files
> with programs in GS/OS even for ProDOS 8 programs. I assume that GS/OS
> uses the "ProDOS 8 startup file protocol" (used i.e. by BASIC.SYSTEM
> for .BAS files) to tell the ProDOS 8 program about the file to launch.
> 
> Does this association work based on file names or do I have to provide
> some magic to allow GS/OS to assiciate my files with my program.
> Currently my files are BIN files with start address 0000 using a *.PRG
> naming scheme.

See page 49 of the GS/OS reference.  Location $0280 in bank 0 holds the
name of the program to run.  I don't know if that's just the SYS file.

Associating a data file with a program can be done with a IIgs icon editor.

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