copyuc.asm

ART OF Assembly Language Programming, 很不错

		include		stdlib.a
		includelib	stdlib.lib

cseg		segment		byte public 'CODE'
		assume		cs:cseg, ds:nothing, es:dseg, ss:sseg

; Note: The constants CR (0dh) and LF (0ah) appear within the
; stdlib.a include file.

tab		equ	09h

MainPgm 	proc	far

; Properly set up the segment registers:

		mov	ax, seg dseg
		mov	es, ax			;Leave DS pointing at PSP

;---------------------------------------------------------------

; First, parse the command line to get the filename:

		mov	es:GotName1, 0		;Init flags that tell us if
		mov	es:GotName2, 0		; we誺e parsed the filenames 
		mov	es:ConvertLC,0		; and the