小字库diy.c

程序实例

#include < io.h>
#include < fcntl.h>
#include < stdio.h>
#include < dos.h>
#define CCLIB "c:\hzk16"

display(unsignedchar *hzmp, int x, int y, int color, int bkcolor)
 { charfar *p; 
 int i, j, k;
 p= (char far *)(0xa0000000+80*y+x/8); 
 for (i= 0; i < 16; i++) 
	for(j = 0; j < 2; j++)
	 { outport(0x3ce, 0x0205);	// kernel here
		k=*(p+80*i+j);
		outportb(0x3ce, 0x08); 
		outportb(0x3cf, hzmp[2*i+j]); 
		*(p+80*i+j)=color; 
		k=*(p+80*i+j);
		outportb(0x3ce, 0x08); 
		outportb(0x3cf, ~hzmp[2*i+j]); 
		*(p+80*i+j)=bkcolor;
		} 
outport(0x3ce, 0x005);	//reset
outport(0x3ce, 0xff08); 
} 

main()
{
 union REGS r;
 int handle, mode;
 int i;
 int qh, wh, col, row;
 long offset;
 unsigned char *hz, hzm[32];
 handle=open(CCLIB, O_RDONLY|O_BINARY);
 r.h.ah=0x0f;int86(0x10, &r, &r);
 mode=r.h.al;
 r.x.ax= 0x0012; 
 int86(0x10, &r, &r);
 for(i=0; i < 20; i++){
	 col=0;row=20*i; 
	 hz="希望电脑公司：为了检验此程序的执行速度特意如此但是没有标点符号这里是写字软件"; 
	 
	while(*hz){ /*find theqh, wh*/
		 qh = *hz-0xa0;
		 wh = *(hz+1)-0xa0;
		 offset = (94l*(qh-1)+(wh-1))*32l;
		 lseek(handle, offset, SEEK_SET); 
		 read(handle, hzm, 32);/*display*/
		 display(hzm, col, row, 4, 3);
		 col += 16;
		 hz += 2; 
	 } 
 } 
 r.h.ah=0x00;
 r.h.al= mode;
 int86(0x10, &r, &r);
 }