[Asmx86]Flag

[cionci]

Manca un h qua in fondo: test edx, 80000000 (sulle 3dNow!+)

[Luc@s]

Originariamente inviato da cionci
Manca un h qua in fondo: test edx, 80000000 (sulle 3dNow!+)

mi da sempre la stessa cosa

[cionci]

Non le devi cercare lì le 3dnow!... Devi richiamare CPUID con un altro valore in eax: http://www.paradicesoftware.com/specs/cpuid/index.htm

[Luc@s]

mov eax, 80000008h ; extended function for AMD
	cpuid
	
TEST_AMD_NOW:	bt edx,  30 ; 3DNow! bit(30)
	jc TEST_AMD_NOW_PLUS
	push edx
	mov dx, AMD_NOWMsg
	mov ah, 09h ; set int 21h service 09h(print '$'-terminated string)
	int 21h
	pop	edx

TEST_AMD_NOW_PLUS:	bt edx, 31; 3DNow! Extensions bit(31)
	jc FINE_TEST
	push edx
	mov dx, AMD_NOW_EXTMsg
	mov ah, 09h ; set int 21h service 09h(print '$'-terminated string)
	int 21h
	pop	edx
FINE_TEST:
	; exit to the program
	mov ah, 4Ch ; set int 21h service 4Ch(exit)
	int 21h

Indi cosi

[cionci]

No....
Note: to identify support for the extended values, you must first call eax=$8000_0000, which returns the maximum supported extended levels in eax.

mov eax, 80000000h
cpuid

cmp eax, 80000008h
JG FINE_TEST

mov eax, 80000001h ; extended function for AMD
	cpuid
	
TEST_AMD_NOW:	bt edx,  30 ; 3DNow! bit(30)
	jc TEST_AMD_NOW_PLUS
	push edx
	mov dx, AMD_NOWMsg
	mov ah, 09h ; set int 21h service 09h(print '$'-terminated string)
	int 21h
	pop	edx

TEST_AMD_NOW_PLUS:	bt edx, 31; 3DNow! Extensions bit(31)
	jc FINE_TEST
	push edx
	mov dx, AMD_NOW_EXTMsg
	mov ah, 09h ; set int 21h service 09h(print '$'-terminated string)
	int 21h
	pop	edx