Re: Mystery DOS 3.3 mod.

[Linards Ticmanis <ticmanis@coli.uni-sb.de>]

Leslie Ayling wrote:

> 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?

Well what I've got in there around that spot is:

B91D LDY $26
B91F STA $BB00,Y
B922 INY
B923 BNE $B913
B925 LDY $C0C8,X
B928 BPL $B925
B92A CMP $BA00,Y
B92D BNE $B942

This is supposedly a January 1, 1983 disk, not the more common August
25, 1980.


-- 

Linards Ticmanis

 The Master said, "The business of laying on the colors follows the
preparation of the plain ground."