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kc3-lang/libtommath/timer.asm

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  • Author : Tom St Denis
    Date : 2003-02-28 16:02:06
    Hash : 390fa39d
    Message : added libtommath-0.01

  • timer.asm 
  • ; Simple RDTSC reader for NASM
;
; build with "nasm -f ___ timer.asm" where ___ is coff or elf [or whatever]
;
; Most *nix installs use elf so it would be "nasm -f elf timer.asm"
;
; Tom St Denis
[bits 32]
[section .data]
timer dd 0, 0
[section .text]
[global _rdtsc]
_rdtsc:
   rdtsc
   sub eax,[timer]
   sbb edx,[timer+4]
   ret

[global _reset]
_reset:
   push eax
   push edx
   rdtsc
   mov [timer],eax 
   mov [timer+4],edx
   pop edx
   pop eax
   ret