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|    comp.lang.asm.x86    |    Ahh, the lost art of x86 assembly    |    4,675 messages    |
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|    Message 3,658 of 4,675    |
|    Terje Mathisen to R.Wieser    |
|    Re: Indirect INT calling    |
|    03 Nov 18 12:25:31    |
      From: terje.mathisen@nospicedham.tmsw.no              R.Wieser wrote:       > Terje,       >       >> Guys, if you want this to be fast then you do a single SMC setup       >> operation to patch a far call site located in a (tiny) near       >> function.       >       > I do not want to sound cranky, but what would that method have over       > the classic INT xx, RET procedure ?              A far call is significantly faster than an INT on most cpus, check Agner       Fog's tables.       >       > Also: CLI below the PUSHF, CALL instead of JMP (I guess this was a       > quicky for you).              Ouch!              Far too quick indeed. :-(              Terje       >       > Regards, Rudy Wieser       >       >                     --       - |
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