inc.asm

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_TEXT SEGMENT BYTE PUBLIC 'CODE';正文段
_TEXT ENDS
_DATA SEGMENT WORD PUBLIC 'DATA';段描述
_DATA ENDS
_BSS SEGMENT WORD PUBLIC 'BSS';未被初始化数据
_BSS ENDS

DGROUP GROUP _DATA,_BSS;组描述
ASSUME CS:_TEXT,DS:DGROUP;SS:DGROUP
_DATA SEGMENT
 PUBLIC _num
_num DW 0
_DATA ENDS
_TEXT SEGMENT
 PUBLIC _incnum
_incnum PROC NEAR
 PUSH BP;本过程不需参数，以下两句可省
 MOV BP,SP
 INC _num
 MOV SP,BP
 POP BP
 RET
_incnum ENDP
_TEXT ENDS
END