fontnew.asm

dos下显示汉字

ERRORCODE = 100

code    segment
	org 100h
	assume cs:code,ds:code,es:code
begin:
	jmp	 real
filename	db	'c:\hzk16f',0
buffer		db	8000h dup (?)
globalx		dw 0
globaly		dw 0
startx		dw 0
starty		dw 0
count		dw 0
buffertest	dw 0
OpenError	db	'Open file error',0
handle		dw		?
font 		db 32 dup (0)
fontbufferl	dw 0
fontbufferh 	db 0
parbuffer	dw 0b0a1h,0b4deh,0beb0h,0b1f3h
	head	 db 8 dup(0)
		 db 8 dup (0)
	srclen dw 8000h
	srcaddl dw offset buffer
	srcaddh db 0
	srcattr db 93h
	srcb db 0,0

	tarlen dw 8000h
	taraddl dw 0
	taraddh db 10h
	tarattr db 93h
	tartb  db 0,0
	tail db 8 dup(0)
		db 8 dup(0)



real:  	mov ah,3dh
	mov dx,offset filename
	mov bl,01
	int 21h
	jnc good
	jmp erro1
good:	mov handle,ax
	mov ax,cs
	mov cx,16
	mul cx
	push ax
	push dx
	
	add ax ,offset buffer
	adc dx,0
	mov srcaddl,ax
	mov srcaddh,dl
	
	pop dx
	pop ax
	add ax,offset font
	adc dx,0
	
	mov fontbufferl,ax
	mov fontbufferh,dl

	mov ah,88h
	int 15h
	cmp ax,260
	jnb readloop
	jmp erro1

readloop:
	mov ah,3fh
	mov dx,offset buffer
	mov bx,handle
	mov cx,8000h
	int 21h
	jnc kk
	jmp erro1
kk:	cmp ax,0;should cmpare whith 8000h below then close, better!
	jz close

	mov ah,87h
	mov si,offset head
	mov cx,4000h
	int 15h

	ADD taraddl,8000H
	ADC taraddh,0
	jmp readloop

close:
	mov	bx,handle
	mov	ah,3eh
	int 21h

	mov ah,0
	mov al,12h
	int 10h
	lea si,parbuffer
	mov cx,0
	mov startx,16

moreword:
	lodsw
	mov dx,ax
	xor ax,ax
	mov count,cx
	push si
	push cx
	push dx

	mov ax,16
	mul count
	mov startx,ax
	xor ax,ax
	;mov cx,0b0a1h ;(b0-a1)*94+xx-a1)*32
	xor bx,bx
	pop dx
       ;mov dx,0b0a1h
	mov al,dh
	sub al,0a1h
	mov cl,94
	mul cl
	mov bl, dl
	sub bl,0a1h

	add ax,bx
	mov cx,32
	mul cx

	mov srcaddl,ax
	add dl,10h
	mov srcaddh,dl
	mov srclen,32

	mov tarlen,32
	mov ax,fontbufferl
	mov taraddl,ax
	mov al,fontbufferh
	mov taraddh,al

	mov ah,87h
	mov si,offset head
	mov cx,16
	int 15h
	;display chinese word
	lea	si,font
	mov cx,16
	mov ax,startx
	mov globalx,ax
	mov globaly,0
drawloop:
	push cx
	lodsb
	call draw8dots
	lodsb
	call draw8dots
	inc globaly
	push bx
	mov bx,startx
	mov globalx,bx
	pop bx
	pop cx
	loop drawloop
	;call exit
	jmp nextword
draw8dots:
	push si
	mov cx,8
drawdot:
	rol al,1
	jnc drawnext
	push cx
	push ax
	mov ah,0ch
	mov cx,globalx
	mov dx,globaly
	mov al,0ffh
	int 10h
	pop ax
	pop cx
drawnext:
	inc globalx
	loop drawdot

	pop si
	ret
nextword:
	pop cx
	pop si
	inc cx
	cmp cx,4
	jz exit
	jmp moreword

exit:
	mov ah,4ch
	int 21h
finish:
	mov	ax,4c00h
	int	21h
erro1 :
	mov ah,4ch
	int 21h
code ends
	end begin