33 lines
470 B
NASM
33 lines
470 B
NASM
; 实验六-1: 宏定义与调用一 - 字符输出宏
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; 功能: 定义宏实现字符输出功能
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DATAS SEGMENT
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CHAR DB 'A'
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DATAS ENDS
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STACKS SEGMENT
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DB 64 DUP(?)
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STACKS ENDS
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CODES SEGMENT
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ASSUME CS:CODES, DS:DATAS, SS:STACKS
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; 宏定义
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; 功能：输出一个字符
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; 参数：DL=字符
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OUTPUT MACRO
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MOV AH,02H
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INT 21H
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ENDM
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START:
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MOV AX, DATAS
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MOV DS, AX
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MOV DL, CHAR
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OUTPUT
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MOV AH, 4CH
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INT 21H
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CODES ENDS
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END START |