eg0707.lst

宏汇编器

Microsoft (R) Macro Assembler Version 6.15.8803		    08/20/07 14:48:18
eg0707.asm						     Page 1 - 1


				;eg0707.asm in DOS
					include io16.inc
			      C .nolist    ; Do not list following content
			      C .list
			      C 
 0000					.code
 0000				new04h	proc	;中断服务程序
 0000  FB				sti
 0001  50				push ax	;保存寄存器
 0002  53				push bx
 0003  56				push si
 0004  1E				push ds
 0005  8C C8				mov ax,cs	;数据在代码段中，故DS＝CS
 0007  8E D8				mov ds,ax
 0009  BE 0021 R			mov si,offset intmsg
 000C  8A 04			dps1:	mov al,[si]
 000E  3C 00				cmp al,0
 0010  74 0A				jz dps2
 0012  BB 0000				mov bx,0	;调用ROM-BIOS功能显示al中的字符
 0015  B4 0E				mov ah,0eh
 0017  CD 10				int 10h
 0019  46				inc si
 001A  EB F0				jmp dps1
 001C  1F			dps2:	pop ds	;恢复寄存器
 001D  5E				pop si
 001E  5B				pop bx
 001F  58				pop ax
 0020  CF				iret	;中断返回
 0021 0D 0A 4F 76 65 72		intmsg  byte 0dh,0ah,'Overflow !',0
       66 6C 6F 77 20 21
       00
 002E				new04h	endp	;中断服务程序结束
					;主程序开始
 002E  8C C8			start:	mov ax,cs
 0030  8E D8				mov ds,ax	;设置04H中断向量	
 0032  BA 0000 R			mov dx,offset new04h
 0035  FA				cli
 0036  B8 2504				mov ax,2504h
 0039  CD 21				int 21h
 003B  FB				sti
 003C  B8 0051 R			mov ax,offset tsrmsg	;显示安装信息
 003F  E8 0000 E			call dispmsg
 0042  BA 002E R			mov dx,offset start	;计算驻留内存程序的长度
 0045  81 C2 010F			add dx,256+15
 0049  C1 EA 04				shr dx,4	;调整为以“节”（16个字节）为单位
 004C  B8 3100				mov ax,3100h	;程序驻留，返回DOS	
 004F  CD 21				int 21h
 0051 49 4E 54 20 30 34		tsrmsg	byte 'INT 04H Program Installed !',0dh,0ah,0
       48 20 50 72 6F 67
       72 61 6D 20 49 6E
       73 74 61 6C 6C 65
       64 20 21 0D 0A 00
					end start
Microsoft (R) Macro Assembler Version 6.15.8803		    08/20/07 14:48:18
eg0707.asm						     Symbols 2 - 1




Macros:

                N a m e                 Type

exit . . . . . . . . . . . . . .	Proc


Segments and Groups:

                N a m e                 Size     Length   Align   Combine Class

DGROUP . . . . . . . . . . . . .	GROUP
_DATA  . . . . . . . . . . . . .	16 Bit	 0000	  Word	  Public  'DATA'	
STACK  . . . . . . . . . . . . .	16 Bit	 0400	  Para	  Stack	  'STACK'	 
_TEXT  . . . . . . . . . . . . .	16 Bit	 006F	  Word	  Public  'CODE'	


Procedures,  parameters and locals:

                N a m e                 Type     Value    Attr

new04h . . . . . . . . . . . . .	P Near	 0000	  _TEXT	Length= 002E Public
  dps1 . . . . . . . . . . . . .	L Near	 000C	  _TEXT	
  dps2 . . . . . . . . . . . . .	L Near	 001C	  _TEXT	


Symbols:

                N a m e                 Type     Value    Attr

@CodeSize  . . . . . . . . . . .	Number	 0000h	 
@DataSize  . . . . . . . . . . .	Number	 0000h	 
@Interface . . . . . . . . . . .	Number	 0000h	 
@Model . . . . . . . . . . . . .	Number	 0002h	 
@code  . . . . . . . . . . . . .	Text   	 _TEXT
@data  . . . . . . . . . . . . .	Text   	 DGROUP
@fardata?  . . . . . . . . . . .	Text   	 FAR_BSS
@fardata . . . . . . . . . . . .	Text   	 FAR_DATA
@stack . . . . . . . . . . . . .	Text   	 DGROUP
dispbb . . . . . . . . . . . . .	L Near	 0000	  External
dispbd . . . . . . . . . . . . .	L Near	 0000	  External
dispbw . . . . . . . . . . . . .	L Near	 0000	  External
dispcrlf . . . . . . . . . . . .	L Near	 0000	  External
dispc  . . . . . . . . . . . . .	L Near	 0000	  External
disphb . . . . . . . . . . . . .	L Near	 0000	  External
disphd . . . . . . . . . . . . .	L Near	 0000	  External
disphw . . . . . . . . . . . . .	L Near	 0000	  External
dispmsg  . . . . . . . . . . . .	L Near	 0000	  External
disprb . . . . . . . . . . . . .	L Near	 0000	  External
disprd . . . . . . . . . . . . .	L Near	 0000	  External
disprf . . . . . . . . . . . . .	L Near	 0000	  External
disprw . . . . . . . . . . . . .	L Near	 0000	  External
dispsib  . . . . . . . . . . . .	L Near	 0000	  External
dispsid  . . . . . . . . . . . .	L Near	 0000	  External
dispsiw  . . . . . . . . . . . .	L Near	 0000	  External
dispuib  . . . . . . . . . . . .	L Near	 0000	  External
dispuid  . . . . . . . . . . . .	L Near	 0000	  External
dispuiw  . . . . . . . . . . . .	L Near	 0000	  External
intmsg . . . . . . . . . . . . .	Byte	 0021	  _TEXT	
readbb . . . . . . . . . . . . .	L Near	 0000	  External
readbd . . . . . . . . . . . . .	L Near	 0000	  External
readbw . . . . . . . . . . . . .	L Near	 0000	  External
readc  . . . . . . . . . . . . .	L Near	 0000	  External
readhb . . . . . . . . . . . . .	L Near	 0000	  External
readhd . . . . . . . . . . . . .	L Near	 0000	  External
readhw . . . . . . . . . . . . .	L Near	 0000	  External
readmsg  . . . . . . . . . . . .	L Near	 0000	  External
readsib  . . . . . . . . . . . .	L Near	 0000	  External
readsid  . . . . . . . . . . . .	L Near	 0000	  External
readsiw  . . . . . . . . . . . .	L Near	 0000	  External
readuib  . . . . . . . . . . . .	L Near	 0000	  External
readuid  . . . . . . . . . . . .	L Near	 0000	  External
readuiw  . . . . . . . . . . . .	L Near	 0000	  External
start  . . . . . . . . . . . . .	L Near	 002E	  _TEXT	
tsrmsg . . . . . . . . . . . . .	Byte	 0051	  _TEXT	

	   0 Warnings
	   0 Errors