Do simple calculations using the add, sub, mul, and div instructions.
.386 .model flat,stdcall .stack 4096 ExitProcess proto,dwExitCode:dword .data sum DWORD 0 remainder DWORD 0 num1 WORD 5 num2 word 12 num3 word 10 symbolicCon = 8 .code main proc ; sum = (13 + 6) - 5 mov eax,13 add eax,6 sub eax,5 mov sum,eax ;Sum = 16 eax= Eh ; sum = (13h + 6h) - 5h mov eax,13h ;19 add eax,6h ;6 sub eax,5h ;5 mov sum,eax ;Sum = 20 eax = 14h ; sum = (44 / (2 * 11)) + 7 ; learn more about the mul and div instruction in chapeter 7.3 mov eax, 2 mov ebx, 11 mul ebx ;eax = 22 mov ebx, 44 xchg eax, ebx ;eax = 44 ebx = 22 div ebx ;eax = 2 add eax, 7 mov sum, eax ;Sum = 9 ; sum = (7 * 5) / 4 mov eax, 7 mov ebx, 5 mul ebx mov ebx, 4 div ebx mov sum, eax ;Sum = 8 mov remainder, edx ;Remainder = 3 ; sum = ((num1 * num2) / num3) - symbolicCon mov ax, num1 mul num2 div num3 sub ax, symbolicCon mov sum, eax ;Sum = -2 Eax = FFFE invoke ExitProcess,0 main endp end main