[access-uk] Re: Please can somebody tell me if this is a bug in XP Home?

Greetings,

I've just had a sort of thought.

I've worked as an assembler-code programmer back in the early 1970s in
system 470 UserCode, which is not unlike IBM's InterCode, in working with
base-displacement addressing, meaning the relative address is dynamically
calculated from the command's position in memory plus or minus the address
of a known register.  this set me wondering.

 The file name being moved is:

c:\attachments\Classic Serial The Complete Smiley - The Karla Trilogy Book 3
- Smiley's People 3 - Smiley moves the operation to Berne. But can he be
sure he's the hunter, not the hunted.wav

it is being moved to:

k:\Radio drama and readings\Classic Serials yet to be processed\Classic
Serial The Complete Smiley - The Karla Trilogy Book 3 - Smiley's People 3 -
Smiley moves the operation to Berne. But can he be sure he's the hunter, not
the hunted.wav

I am wondering not the **file name** itself being too long, but remember I
issue the copy or move command which, though in WindowsXP home, still
results in machine code and all commands have a length attribute so perhaps
this is the actual problem rather than the file name.

As the basic addressing system is based on the kind of commands we used in
UserCode, they had the format:

register1,displacement1,opcode,length1,length2,register2,displacement2

The opcode was a hex value, the lengths were single bytes maximum value
hex(ff) = 256, displacement took 3 bytes, i.e hex(ffffff) and register took
one byte, i.e hex(ff).

I would be interested to know exactly what this move breaks down into as
regards low-level machine code.



From Colin Howard who  lives near Southampton in 
Southern England.
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