.586p

_TEXT	SEGMENT	DWORD PUBLIC USE32 'CODE'
	ALIGN	4

;; DWORD cpuid(DWORD dwOP, DWORD *lpAX, DWORD *lpBX, DWORD *lpCX, DWORD *lpDX)
_cpuid	PROC	NEAR
	;; ...
	;; ESP+0C [lpBX]
	;; ESP+08 [lpAX]
	;; ESP+04 [dwOP]
	;; ESP+00 [RETURN-ADDESS]
	PUSH	EBP
	MOV	EBP, ESP

	;; ...
	;; ESP+0C [lpAX]
	;; ESP+08 [dwOP]
	;; ESP+04 [RETURN-ADDRESS]
	;; ESP+00 [EBP]
	;; EBP == ESP
	PUSH	EDI
	;PUSH	EAX
	PUSH	EBX
	PUSH	ECX
	PUSH	EDX

	;; EAX = dwOP;
	MOV	EAX, DWORD PTR [EBP+1*4+4]

	CPUID

	;; EDI = lpAX;
	MOV	EDI, DWORD PTR [EBP+2*4+4]
	;; *EDI = EAX;
	MOV	DWORD PTR [EDI], EAX

	;; *lpBX = EBX;
	MOV	EDI, DWORD PTR [EBP+3*4+4]
	MOV	DWORD PTR [EDI], EBX

	;; *lpCX = ECX;
	MOV	EDI, DWORD PTR [EBP+4*4+4]
	MOV	DWORD PTR [EDI], ECX

	;; *lpDX = EDX
	MOV	EDI, DWORD PTR [EBP+5*4+4]
	MOV	DWORD PTR [EDI], EDX

	POP	EDX
	POP	ECX
	POP	EBX
	;POP	EAX
	POP	EDI


	;; return dwOP;
	MOV	EAX, DWORD PTR [EBP+1*4+4]
	POP	EBP
	RET
_cpuid	ENDP


;; struct {
;;   DWORD dwLower;
;;   DWORD dwUpper;
;; } rdtsc();
_rdtsc	PROC	NEAR
	;; ...
	;; ESP+0C [CALLER'S LOCAL VARIABLES]
	;; ESP+08 [CALLER'S LOCAL VARIABLES]
	;; ESP+04 [POINTER TO RETURN VALUE]
	;; ESP+00 [RETURN ADDRESS]
	PUSH	EDI
	PUSH	EAX
	PUSH	EDX

	;; ...
	;; ESP+14 [CALLER'S LOCAL VARIABLES]
	;; ESP+10 [POINTER TO RETURN VALUE]
	;; ESP+0C [RETURN ADDRESS]
	;; ESP+08 [EDI]
	;; ESP+04 [EAX]
	;; ESP+00 [EDX]
	MOV	EDI, DWORD PTR [ESP+10H]

	RDTSC

	MOV	DWORD PTR [EDI+0], EAX
	MOV	DWORD PTR [EDI+4], EDX

	POP	EDX
	POP	EAX
	POP	EDI

	XOR	EAX, EAX
	RET
_rdtsc	ENDP

_TEXT	ENDS

	PUBLIC	_cpuid
	PUBLIC	_rdtsc

	END

;; THE END OF FILE