"Assembly Language (3rd edition) Wang Shuang" question 7.9 code

assume CS:CODESG, SS:STACKSG, DS:DATASGSTACKSG segment DW0,0,0,0,0,0,0,0STACKSG ENDSDATASG Segment DB'1. Display'DB'2. Brows'DB'3. Replace'DB'4. Modify'datasg endscodesg segmentstart:mov AX,DATASG mov ds,ax mov ax,stacksg mov ss,ax mov b X,0mov cx,4s:push CX mov si,0mov cx,4S0:mov Ah,3[Bx][si] and AH,11011111B mov3[Bx][si],ah Inc si Loop s0 pop cx add bx, -Loop s mov ah,4chint21HCODESG endsend Start

"Assembly Language (3rd edition) Wang Shuang" question 7.9 code