Subj : assembler
To   : Tom Torfs
From : Eddy Thilleman
Date : Fri Apr 27 2001 02:19 am

Hello Tom,

Thursday 26 April 2001 23:58, Tom Torfs wrote to Eddy Thilleman:

ET>> Should I replace the instruction 'LES DI, START' by 'MOV EDI,
ET>> START' or by 'LEA EDI, START'?

TT> I think in this case they are equivalent. Mov would be more usual.

ET>> Can the 8-bit- and 16-bit parts of the 32-bit-registers (AX
ET>> consists of AH and AL, AX is the lower half of EAX) still be used
ET>> in 32-bit code

TT> Yes.

ET>> , can I still use statements like 'MOV BL, CL' in 32-bit?

TT> Yes.

TT> Another feature I remember finding useful is that in 32-bit you can
TT> use any general purpose register as index register.

Couldn't that already be done in 16-bit programming?

Thanks, I'll need some time to study my assembler books.


  Greetings   -=Eddy=-

  email: e.thilleman@freeler.nl
         e.thilleman@hccnet.nl

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