times.asm

是一个将16进制转为ASC显示的程序

	use16
	org 100h
	jmp start
	msg:
	   db 'Current Time is:'
	   hour dw 0
	   db ':'
	   minute dw 0
	   db ':'
	   second dw 0
	   db '$'
	   len =$-msg
	start:
	    mov ah,2
	    int 01ah
	    mov byte [hour],ch
	    mov byte [minute],cl
	    mov byte [second],dh
	    mov bx,hour
	    mov al,byte [hour]
	    call hta
	    mov bx,minute
	    mov al,byte [minute]
	    call hta
	    mov bx,second
	    mov al,byte [second]

	    call hta
	    mov ah,9
	    mov dx,msg
	    int 21h
	    mov ah,0
	    int 16h
	exit:
	    mov ax,4c00h
	    int 021h
	hta: ;hex to asc
	    cbw
	    mov cl,10h
	    div cl
	    add ax,'00'
	    mov [bx],ax
	    ret