?? det_x86.asm
字號:
;*;* $Id: det_x86.asm,v 1.1.1.1 2002/03/28 00:02:20 andrew_belov Exp $;* ---------------------------------------------------------------------------;* This code uses the classic way of determining what Intel x86 CPU is used.;* The exact author is unknown.;*INCLUDE ASM_INCL.INCpublic detect_x86.CODE;*;* Returns one of the following values for corresponding CPU types:;*;* 0x0086 -> 8086/8088;* 0x0186 -> 80186/80188;* 0x0286 -> 80286;* 0x0386 -> 80386 and higher;*detect_x86 proc pushf xor ax, ax push ax popf pushf pop ax and ax, 0F000h cmp ax, 0F000h jnz test_386 push cx mov ax, 0FFFFh mov cl, 21h shl ax, cl pop cx jnz l186 mov ax, 86h popf jmp short donel186: mov ax, 186h popf jmp short donetest_386: mov ax, 7000h push ax popf pushf pop ax and ax, 7000h jnz l386 mov ax, 286h popf jmp short donel386: mov ax, 386h popf jmp short $+2done: retdetect_x86 endp end?? 快捷鍵說明
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