Re: Mystery DOS 3.3 mod.

["Leslie Ayling" <layling@intercoast.com.au>]

Hi Linards,

Are you sure that the the DOS on the disk is indeed standard
AppleDOS 3.3?

A quick disassembly of the area shows that these 2 pokes
would modify the last 2 bytes of a three byte instruction.

Perhaps it is a modified RWTS routine that is on the disk?

Leslie

Linards Ticmanis <ticmanis@coli.uni-sb.de> wrote in message
3B24A82B.47EF12A6@coli.uni-sb.de">news:3B24A82B.47EF12A6@coli.uni-sb.de...
> I found the following program under the name of "COPYA.ST" on a 1 Jan
> 1983 DOS 3.3 system disk image from the net:
>
> 10 POKE 47397,24 (i.e. B925- 18 CLC)
> 20 POKE 47398,96 (i.e. B926- 60 RTS)
> 30 PRINT  CHR$ (4)"RUN COPYA"
>
> Is that on the original 1983 DOS 3.3 Disk? And, dear DOS hackers,
> what's its purpose?
>
> fup2 csa2.
>
> --
>
> Linards Ticmanis
>
>  The Master said, "The business of laying on the colors follows the
> preparation of the plain ground."