screen.lib

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;huyisong 20053449 12110502
;<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
CLRSCR 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,1FH
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM 



CLRSCRcreate 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,72H
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM 



CLRSCRopen 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,74H
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM 

CLRSCRsave 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,79H
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM 


CLRSCRinsert 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,3EH
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM 


CLRSCRdelete 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,1EH
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM 

CLRSCRquery 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,16H
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM 


CLRSCRmodify 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,4EH
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM 


CLRSCRlist 	MACRO
    		PUSH 	AX
    		PUSH 	BX
    		PUSH 	CX
    		PUSH 	DX
    		MOV 	AX,0600H
   		MOV 	BH,47H
    		XOR 	CX,CX
    		MOV 	DX,184FH
    		INT 		10H
    		POP	 	DX
    		POP 		CX
    		POP 		BX
    		POP 		AX  
   		ENDM