da opravq push/pop

#include <iostream>

using std::cout;
using std::endl;
using std::cin;

//eax - function return
//edx - general purpose trashable register
//ecx - general purpose trashable register; Use for array lengths when looping!
//edi - use for array

//imul op1, op2 - saved product of two in op1.
//xor op, op - wipe
//sub op1, op2 - saves op1 - op2 in op1

int multAsm(int x, int y)
{
	_asm
	{
		push edx
		push ecx
			mov edx, x
			mov ecx, y
			imul edx, ecx
			mov eax, edx
		pop ecx
		pop edx
	}
}

int sumAsm(int x, int y) {
	_asm
	{
		push edx
		push ecx
			mov edx, x
			mov ecx, y
			adc edx, ecx
			mov eax, edx
		pop ecx
		pop edx
	}
}


int sumArray(int arr[], int len)
{
	__asm
	{
		mov edi, arr
		mov ecx, len
		xor eax, eax	// sum
		L1 :
			add eax, [edi]
			add edi, 4
		loop L1	//this decrements ecx and loops until it reaches 0
	}
}

int findMax(int arr[], int len) {
	__asm
	{
		mov edi, arr
		mov ecx, len
		mov eax, [edi]	//max

			L1 :
			cmp eax, [edi]
			jl Replace

			add edi, 4
			loop L1

			jmp Done

			Replace : // saves the current value as the max one
			mov eax, [edi]
			jmp L1

			Done :
	}
}


int main()
{

	cout << "x*y (asm) = " << multAsm(8, 6) << endl;

	cout << "x + y = " << sumAsm(5, 6) << endl;

	int ar[] = { 9, 6, 7, 5, 4, 3, 2, 56, 1 };
	cout << sumArray(ar, 9) << endl;
	cout << findMax(ar, 9) << endl;

	system("PAUSE"); return 0;
}