不用多说了，就直接代码吧
1 assume cs: codesg, ds: data 2 data segment 3 ; 00 is filler a 4 ; 317ah is 12666 hex value 5 ; 0000h is high bits. if the number is big and hex value is f317ah, then here 0000h will be 0000fh 6 ; 000Ah is hex value of 10. 7 ; rest of 0008h are just filler to make the debug view eaiser 8 dw 00 ,317ah,0000h,000Ah,0008h,0008h,0008h,0008h 9 10 ; here will hold decimal text 11 db ' ' 12 data ends 13 codesg segment 14 start: 15 mov ax, data ; set data address 16 mov ds, ax 17 mov bx, 16 ; set decial text text offset in bx, because declare 8 words, so here is 16 18 mov cx, 0 19 push cx ; push a zero in bottom of stack, and it will be terminator of text 20 divNext: 21 CALL DivDW ; return remainder in [0] position, and quotient is still in [2] for next divide 22 mov cx, ds: [ 0 ] ; set remainder in cx 23 add cx, 30h ; add decimal ascii 24 push cx ; save the decimal in stack 25 26 mov ax, ds: [ 2 ] ; using bit OR to merge Divident H to Divident Low 27 OR ax, ds: [ 4 ] ; Divident H is ds:[4], Divident L is ds:[2] 28 MOV cx, ax ; Then check whether ds:[2] is 0 or not 29 jcxz EXIT_DN ; if quotient is 0, exit divNext 30 31 jmp divNext ; continue get next decimal value 32 33 EXIT_DN: ; When run to here, the stack contain all decimal ascii 34 pop cx ; get decimal ascii from stack 35 jcxz Exit_DT ; if ascii value in stack is 0, then exit. 36 ; This zero is the terminator pushed at line 19 37 mov ds: [bx+ 16 ], cx ; move the ascii to data section declared at line 11 38 add bx, 1 39 jmp EXIT_DN 40 41 Exit_DT: 42 Call Show_Str ; Show_Str show text from memory declared at line 11 43 44 mov ax, 4c00h 45 int 21h 46 47 ; ******************************************************************** 48 ; CONVERT to DECIMAL 49 ; divisor 除数 50 ; divisor 除数 can 8 bits or 16 bits and can be in register or memory 51 ; dividend 被除数 , have to be AX or DX and AX, 52 ; divisor is 8 bits, then dividend is in AX. | the result is AL = quotient 商, AH = remainder 余 53 ; divisor is 16 bits, then dividend is in DX(H) and AX(L) | the result is AX = quotient 商, DX = remainder 余 54 55 divDW: ; chapter: 8.7 Page 157 56 pop BP 57 push bx 58 MOV BX, ds: [ 2 ] ; 4240 Divident(L) 59 MOV AX , ds: [ 4 ] ; 000f Divident(H) 60 MOV CX , ds: [ 6 ] ; 000A Divisor 61 MOV DX, 0 62 DIV CX ; (DX(0) + AX(000f)) / CX 63 mov ds: [ 4 ], ax 64 MOV AX, BX ; move Divident (L) in AX 65 DIV CX ; (DX(0005) + AX (4240)) / CX 66 mov ds: [ 2 ], ax 67 mov ds: [ 0 ], dx 68 pop bx 69 PUSH BP ; SET IP back to stack 70 ret 71 72 ; *********************************************************** 73 ; ****** Show Text 74 show_str: 75 pop bp 76 mov ax, 0b86eh 77 mov ss, ax ; row 78 mov si, 40 ; Column 79 mov bx, 0 ; String stard postion 80 mov ah, 00000010B ; Font 81 push ss 82 push si 83 push ds 84 push bx 85 main: 86 mov cl, ds: [bx+ 16 ] ; ds:[bx] is the character 87 mov al, cl 88 mov ch, 0 89 jcxz EXIT_SS 90 mov ss: [si], ax ; this ss:[si+bx] is character position 91 inc bx 92 add si, 2 93 jmp short main 94 95 EXIT_SS: 96 pop bx 97 pop ds 98 pop si 99 pop ss 100 push bp 101 ret 102 codesg ends