Codingcrew.de - Board

[Ignat]

Hi! people!
I want to find the fastest way
to load the pointer from stack to ds:di!
What do you think?

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Rußland

[Marwin]

also SS:SP =] DS:DI?

Ich würde es folgendermaßen machen:

4 Bytes:

Code: Alles auswählen

lea di, sp; 1 clock cycle
push ss; 3 clock cycles
pop ds; 3 clock cycles


Marwin

[Ignat]

Well, I do it nearly so, but my friend said that
I should use shl, shr for it.
I think shl isnt so fast and have a lot of probelm, isnt it?
Do you know another way to load it?

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Rußland

[Marwin]

Nein, ich glaube das ist der schnellste Weg.

Aber wie soll man das mit SHL, SHR machen?

Marwin

[Ignat]

To be honest, I dont know... [_[
I dont ask my friend to show me.
May be he loads from stack to register full element and than...
When I ask him Ill show his "method" ...

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Rußland