2.ASM

                org 100h ;óñòàíàâëèâàåì àäðåñ íà÷àëà ïðîãðàììû
start:
                mov ah, $09 ;âûâîäèì â êîíñîëü òåêñò
                mov dx, name_prog
                int 21h

                mov ah, $02 ;ïåðåâîä êóðñîðà íà ñëåäóþùóþ ñòðî÷êó
                mov dx, 0x0D0A
                int 21h

                mov ah, $09 ;âûâîäèì â êîíñîëü òåêñò
                mov dx, str2
                int 21h

                mov ah, $02 ;ïåðåâîä êóðñîðà íà ñëåäóþùóþ ñòðî÷êó
                mov dx,  0x0D0A
                int 21h

                mov ah, $09 ;âûâîäèì â êîíñîëü òåêñò
                mov dx, result_is
                int 21h

                mov ax, $02 ;ãðóçèì b â AX
                mov cx, $03 ;ãðóçèì c â CX
                mul cx      ;óìíîæàåì b íà c, ðåçóëüòàò â DX:AX
                mov bx, [a] ;ãðóçèì â BX a
                add ax,bx   ;ñêëàäûàåì b*c ñ a
                mov cx,[d]  ;ãðóçèì â CX d
                div cx      ;äåëèì AX íà CX (ò.å. (a+b*c)/d). ðåçóëüòàò â DX:AX
                mov [res],ax;ñîõðàí¤åì ðåçóëüòàò (ìëàäøóþ ÷àñòü) â ÿ¾ res

                mov ax, [res];ãðóçèì çíà÷åíèå èç ÿ¾ res â àêê. AX
                add ax, '0'  ;ïåðåâîä â ASCII êîä

                mov bx,ax ;ïåðåñûëêà èç ax â bx ðåçóëüòàòà ðàñ÷¸òà, ò.ê. ðã ah íóæåí íàì äàëåå äëÿ âûâîäà â êîíñîëü

                mov ah, $02  ;âûâîä â êîíñîëü ðåçóëüòàòà
                mov dx,bx
                int 21h

                mov ah,$08 ;îæèäàíèå íàæàòèÿ ëþáîé êëàâèøè
                int 21h
                ret

name_prog       db "This program calculates (a+b*c)/d$"
str2            db "where a=1, b=3, c=3, d=2$"
result_is       db "result is equal to $"
a               dw 1h
d               dw 2h
res             dw 0h
xor ax,ax
int 16h