no stack segment ,后来我想改为com文件，但仍是LINK时有no stack segment 问题，你帮我看看要改哪里好吗？
原文件：
DATA SEGMENT
BUFF DB 12 DUP(?)
CRLF DB 0DH,0AH,24H
TSTR DB "00:00:00"
PROG_LEN EQU 1000
DATA ENDS
CODE SEGMENT
ASSUME CS:CODE,DS:DATA
MAIN PROC FAR
MOV AX,DATA
MOV DS,AX
LEA DX,TIME
MOV AX,SEG TIME
MOV DS,AX
MOV AL,1ch
MOV AH,25H
INT 21H
MOV AH,31H
MOV AL,0
MOV DX,((PROG_LEN+15)/16)+16
INT 21H
MAIN ENDP
PRINT PROC NEAR
MOV AX,DATA
MOV DS,AX
MOV AX, 0B800H
MOV ES,AX
LEA SI,TSTR
MOV DI,0
MOV CX,8
CLD
REP MOVSB
ret
PRINT endp
TIME PROC far
push ax
push bx
push cx
push dx
push si
push di
push bp
push ds
push es
MOV AH,0
MOV DI,0
M1: MOV AL,AH
OUT 70H,AL
IN AL,71H
MOV BUFF[DI],AL
INC DI
ADD AH,2
CMP AH,6
JNE M1
MOV DI,0
MOV BX,10
XOR CX,CX
XOR AX,AX
MOV BP,7
MOV AL,BUFF[DI]
M2: XOR DX,DX
DIV BX
PUSH DX
CMP AX,0
JNE M2
MOV SI,BP
M3: POP DX
ADD DX,30H
MOV TSTR[SI],DL
DEC SI
LOOP M3
INC DI
SUB BP,3
CMP DI,3
pop es
pop ds
pop bp
pop di
pop si
pop dx
pop cx
pop bx
pop ax
iret
TIME endp
CODE ENDS
END MAIN
------解决方案--------------------------------------------------------
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- Assembly code
ASSUME CS:CSEG,DS:CSEGHEAD=1AHTAIL=1CHBUFHEAD=1EHBUFTAIL=3EHKEY=6500HCR=0DHLF=0AHCSEG SEGMENTOLD09H DW 2 DUP(0)DATE DB 6 DUP(0)ADR DB 9,8,7,4,2,0BUF DB 2 DUP(0),' ',0CRLF DB CR,LF,0NEW09H: PUSHF CALL DWORD PTR CS:OLD09H STI PUSH DS PUSH ES PUSH AX PUSH BX PUSH CX PUSH DX PUSH SI PUSH DI MOV AX,40H MOV DS,AX MOV BX,DS:[HEAD] CMP BX,DS:[TAIL] JZ L1 MOV AX,DS:[BX] CMP AX,KEY JZ L2 L1:POP DI POP SI POP DX POP CX POP BX POP AX POP ES POP DS IRET L2:ADD BX,2 CMP BX,BUFTAIL JNZ L3 MOV BX,BUFHEAD L3:MOV DS:[HEAD],BX MOV AX,CS MOV DS,AX MOV ES,AX MOV CX,6 LEA SI,ADR LEA DI,DATE CLD L4:LODSB OUT 70H,AL JMP $+2 IN AL,71H STOSB LOOP L4 MOV CX,4 MOV DI,6 LEA SI,DATE CLD L5:LODSB MOV AH,AL AND AL,0FH ADD AL,30H SHR AH,CL ADD AH,30H XCHG AH,AL MOV WORD PTR BUF,AX LEA BX,BUF MOV AH,0EH L6:MOV AL,[BX] INT 10H INC BX OR BYTE PTR [BX],0 JNZ L6 DEC DI JNZ L5 LEA BX,CRLF MOV AH,0EH L7:MOV AL,[BX] INT 10H INC BX OR BYTE PTR [BX],0 JNZ L7 JMP L1START : NOP MOV AX,CS MOV DS,AX MOV AX,3509H INT 21H MOV OLD09H,BX MOV OLD09H+2,ES LEA DX,NEW09H MOV AX,2509H INT 21H MOV DX,OFFSET START+15 MOV CX,4 SHR DX,CL ADD DX,10H MOV AX,3100H INT 21HCSEG ENDSEND START