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- {
- > I think TP is fast enough for that, because your video card needs much
- > time to display the screen. Perhaps this is a little bit faster on
- > REALLY slow machines :
-
- Actually, that won't do what it's supposed to do...
- When you use the IN instruction the format is like this:
-
- IN op1,op2 That transfers a byte, word or dword from the in
- op2 specified port into AL, AX or EAX.
-
- > Asm
- > MOV DX,$03DA
- > @@1:
- > IN DX,AX <----- Therefore, change to: in al,dx
- > TEST AX,$08 <----- test al,8
- > JZ @@1
- > @@2:
- > IN DX,AX <----- in al,dx
- > TEST AX,$08 <----- test al,8
- > JNZ @@2
- > End;
- }