コード例 #1
0
// the main function 
void HariMain(void)
{
	char *vram;
	int xsize;
	int ysize;
	unsigned int memtotal;
	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR ;
	struct BOOTINFO *binfo;
	struct SHTCTL *shtctl;
	struct SHEET *sht_back, *sht_mouse, *sht_win,*sht_cons;
	unsigned char *buf_back, buf_mouse[256],*buf_win;
	int i;
	int fifobuf[128];
	char s[40];
	struct FIFO fifo;
	fifo_init(&fifo,128,fifobuf,0);
	static char keytable0[0x80] = {
		0,   0,   '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '^', 0,   0,
		'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '@', '[', 0,   0,   'A', 'S',
		'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', ':', 0,   0,   ']', 'Z', 'X', 'C', 'V',
		'B', 'N', 'M', ',', '.', '/', 0,   '*', 0,   ' ', 0,   0,   0,   0,   0,   0,
		0,   0,   0,   0,   0,   0,   0,   '7', '8', '9', '-', '4', '5', '6', '+', '1',
		'2', '3', '0', '.', 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
		0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
		0,   0,   0,   0x5c, 0,  0,   0,   0,   0,   0,   0,   0,   0,   0x5c, 0,  0
	};
	static char keytable1[0x80] = {
		0,   0,   '!', 0x22, '#', '$', '%', '&', 0x27, '(', ')', '~', '=', '~', 0,   0,
		'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '`', '{', 0,   0,   'A', 'S',
		'D', 'F', 'G', 'H', 'J', 'K', 'L', '+', '*', 0,   0,   '}', 'Z', 'X', 'C', 'V',
		'B', 'N', 'M', '<', '>', '?', 0,   '*', 0,   ' ', 0,   0,   0,   0,   0,   0,
		0,   0,   0,   0,   0,   0,   0,   '7', '8', '9', '-', '4', '5', '6', '+', '1',
		'2', '3', '0', '.', 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
		0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
		0,   0,   0,   '_', 0,   0,   0,   0,   0,   0,   0,   0,   0,   '|', 0,   0
	};
	
	
	init_gdtidt();
	init_pic();
	io_sti();
	
	init_pit(); // timer
	io_out8(PIC0_IMR, 0xf8); /* PIC1 (11111000) irq0 */
	io_out8(PIC1_IMR, 0xef); //11101111 , allow irq12 
	struct TIMER *timer;
	timer = timer_alloc();
	timer_set(timer,50,&fifo,1);
	
	init_keyboard(&fifo,256);	
	// memory test
	memtotal = memtest(0x00400000, 0xbfffffff); // available maxmium  address
	memman_init(memman);
	memman_free(memman,0x00001000,0x0009e000);
	memman_free(memman,0x00400000,memtotal-0x00400000);
		
	init_palette();
	binfo = (struct BOOTINFO *)  0x0ff0;
	xsize = binfo->scrnx;
	ysize = binfo->scrny;
	vram  = binfo->vram;
	// sheet setting
	shtctl = shtctl_init(memman, binfo->vram, binfo->scrnx, binfo->scrny);
	sht_back  = sheet_alloc(shtctl);
	sht_mouse = sheet_alloc(shtctl);
	sht_win   = sheet_alloc(shtctl);
	buf_back  = (unsigned char *) memman_alloc_4k(memman, binfo->scrnx * binfo->scrny);
	buf_win  = (unsigned char *) memman_alloc_4k(memman,160 * 52); // window sheet buffer
	sheet_setbuf(sht_back, buf_back, binfo->scrnx, binfo->scrny, -1);
	sheet_setbuf(sht_mouse, buf_mouse, 16, 16, 99); // col_inv 99
	sheet_setbuf(sht_win, buf_win,144,52,-1);


	/* initlize OS background */
	init_screen(buf_back,xsize,ysize);
	
	int mx,my; // mouse position
	// mouse cursor
	struct MOUSE_DEC mdec;
	enable_mouse(&fifo,512,&mdec); 
	init_mouse_cursor8(buf_mouse,99);
	// window a setting
	make_window8(buf_win,144,52,"task a",1);
	int cursor_x,cursor_c;  // cursor color
	make_textbox8(sht_win, 8,28,128,16,COL8_FFFFFF); // heigth is 16
	cursor_x = 8;
	cursor_c = COL8_FFFFFF;
	mx = (binfo->scrnx - 16) / 2;
	my = (binfo->scrny - 28 - 16) / 2;

	// task block
	struct TASK *curr,*console;
	curr = task_init(memman);
	fifo.task = curr;
	taskrun(curr,1,0); // set to level 1

	// sheet console
	unsigned char *buf_cons;	
	sht_cons = sheet_alloc(shtctl);
	buf_cons = (unsigned char *) memman_alloc_4k(memman, 256*165);
	sheet_setbuf(sht_cons,buf_cons,256,165,-1);
	make_shell(buf_cons,256,165,"console",0);
	//make_textbox8(sht_cons, 8,28,240,128,COL8_000084);
	console = task_alloc();
	console->tss.esp = memman_alloc_4k(memman,64*1024) + 64 * 1024 -8;
	console->tss.eip = (int) &task_console;
	console->tss.es = 1*8;
	console->tss.cs = 2*8;
	console->tss.ss = 1*8;
	console->tss.ds = 1*8;
	console->tss.fs = 1*8;
	console->tss.gs = 1*8;
	*((int *) (console->tss.esp + 4)) = (int) sht_cons; // memory share
	taskrun(console,2,2); // level2,different priorities 


	sheet_move(sht_back,0,0);// move background sheet 
	sheet_move(sht_mouse,mx,my);
	sheet_move(sht_win,8,56);
	sheet_move(sht_cons,100,200);
	


	sheet_updown(sht_back,0); // height 0, at the bottom
	sheet_updown(sht_cons,1);
	sheet_updown(sht_win,2);
	sheet_updown(sht_mouse,3);
	
	sprintf(s,"%3d %3d",mx,my);
	putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
	sprintf(s, "memory %dMB free %dkb", memtotal/(1024*1024), memman_total(memman)/1024);
	putfonts8_asc(buf_back, binfo->scrnx, 0, 32, COL8_FFFFFF, s);
	sheet_refresh(sht_back,0,0,binfo->scrnx,48);

	// tab key
	int key_to=0;
	int key_shift = 0;
	int key_leds = ((binfo->leds) >> 4) & 7; // caps,numlock,scrolllock

	for(;;)
	{
	io_cli(); // forbid all interrupts
	if(fifo_status(&fifo) == 0) 
		{task_sleep(curr);
		io_sti();
		}
	else {
		i=fifo_get(&fifo);
		io_sti(); // open interrupts
		if(255 < i && i < 512)
		{sprintf(s, "%02X", i-256);
		boxfill8(buf_back, binfo->scrnx, COL8_008400, 0, 16, 15, 31);
		putfonts8_asc(buf_back, binfo->scrnx, 0, 16, COL8_FFFFFF, s);
		sheet_refresh(sht_back,0,16,16,32);
		if(i<256 +0x80)
			{
			if(key_shift == 0)
				s[0]= keytable0[i-256];
			else
				s[0]= keytable1[i-256];
			}
		else 
			s[0] =0;
		if(s[0] >= 'A' && s[0]<= 'Z')
		{
			if(((key_leds & 4) == 0 && key_shift == 0) || 
			   ((key_leds & 4) == 1 && key_shift != 0))
			       s[0]+=0x20;
		}

		if (s[0] != 0) { // common character
				if (key_to == 0) {	/* ƒ^ƒXƒNA‚Ö */
					if (cursor_x < 128) {
							s[1] = 0;
							bps(sht_win, cursor_x, 28, COL8_FFFFFF, COL8_000000, s, 1);
							cursor_x += 8;
						}
				} 
				else// send to console
					fifo_put(&console->fifo, s[0] + 256);
				}
		if(i == 256 + 0x0e && cursor_x > 8)  // backspace key
			{
				if(key_to == 0)				
				{
					bps(sht_win,cursor_x,28,COL8_FFFFFF,COL8_000000," ",1);
					cursor_x -=8;
				}
				else
				{
					fifo_put(&console->fifo,8+256);
				}
			}

		if(i == 256 + 0x0f)  // Tab key
			{
				if(key_to == 0)
				{
					key_to =1;
					make_wtitle8(buf_win, sht_win->bxsize,"task a",0);
					shell_title(buf_cons, sht_cons->bxsize,"console",1);				
				}				
				else
				{
					key_to =0;
					make_wtitle8(buf_win, sht_win->bxsize,"task a",1);
					shell_title(buf_cons, sht_cons->bxsize,"console",0);
				}
				sheet_refresh(sht_win,0,0,sht_win->bxsize,21);
				sheet_refresh(sht_cons,0,0,sht_cons->bxsize,21);
			}
		if (i == 256 + 0x2a)
			key_shift |= 1;
		if (i == 256 + 0x36)
			key_shift |= 2;
		if (i == 256 + 0xaa)
			key_shift &= ~1;
		if (i == 256 + 0xb6) 
			key_shift &= ~2;
		if (i == 256 + 0x3a) // CapsLock
			key_leds ^= 4;		
		if (i == 256 + 0x45) // NumLock 
			key_leds ^= 2;		
		if (i == 256 + 0x46) // ScrollLock 
			key_leds ^= 1;
					
		boxfill8(sht_win ->buf, sht_win->bxsize, cursor_c,cursor_x,28,cursor_x+7,43);
		sheet_refresh(sht_win,cursor_x,28,cursor_x+8,44);

		}

		else if(511 < i && i < 768)
		{
		
		if(mouse_decode(&mdec,i-512) != 0) 
		  {	sprintf(s, "[lcr %4d %4d]", mdec.x,mdec.y);
			
			if((mdec.btn & 0x01) != 0) s[1]='L';
		        if((mdec.btn & 0x02) != 0) s[3]='R';
		        if((mdec.btn & 0x04) != 0) s[2]='C';	
			boxfill8(buf_back, binfo->scrnx, COL8_008484, 32, 16, 32+15*8-1, 31); // after filling,show ok
			putfonts8_asc(buf_back, binfo->scrnx, 32, 16, COL8_FFFFFF, s);
		 	sheet_refresh(sht_back,32,16,32+15*8,32);
			// the move of mouse 
			mx +=mdec.x;
			my +=mdec.y;
			if(mx <0) mx = 0;
			if(my <0) my = 0;
			if(mx > binfo->scrnx -1 )  mx =  binfo->scrnx -1;
			if(my > binfo->scrny -1 )  my =  binfo->scrny -1;  // control the mouse move area
		 	sprintf(s, "(%3d,%3d)", mx,my);
			boxfill8(buf_back, binfo->scrnx, COL8_008484, 0, 0,79, 15);
			putfonts8_asc(buf_back, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
			sheet_refresh(sht_back,0,0,80,16);
			sheet_move(sht_mouse,mx,my);
			// move the window, vram -> sht -> move
		 	if((mdec.btn & 0x01) != 0)
				sheet_move(sht_win,mx-80,my-8);
		  }
		}

		else if(i == 1)
			{
				timer_set(timer,50,&fifo,0);
				boxfill8(sht_win->buf,sht_win->bxsize, COL8_000000, cursor_x, 28,cursor_x+7, 43);
				sheet_refresh(sht_win,cursor_x,28,cursor_x + 8, 44);
			}
		else if(i==0)
			{
				timer_set(timer,50,&fifo,1); // keep the data
				boxfill8(sht_win->buf,sht_win->bxsize, COL8_FFFFFF,cursor_x, 28,cursor_x + 7, 43);
				sheet_refresh(sht_win,cursor_x,28,cursor_x + 8, 44);
			}
			
	     }

	}
}
コード例 #2
0
void HariMain(void)
{
	char *vram;
	int xsize;
	int ysize;
	unsigned int memtotal;
	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR ;
	struct BOOTINFO *binfo;	
	struct SHTCTL *shtctl;
	struct SHEET *sht_back, *sht_mouse, *sht_win;
	unsigned char *buf_back, buf_mouse[256],*buf_win;
	int i;
	int fifobuf[128];
	char s[40];
	struct FIFO fifo;
	fifo_init(&fifo,128,fifobuf);
	static char keytable[0x54] = {
		0,   0,   '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '^', 0,   0,
		'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', 'O', 'P', '@', '[', 0,   0,   'A', 'S',
		'D', 'F', 'G', 'H', 'J', 'K', 'L', ';', ':', 0,   0,   ']', 'Z', 'X', 'C', 'V',
		'B', 'N', 'M', ',', '.', '/', 0,   '*', 0,   ' ', 0,   0,   0,   0,   0,   0,
		0,   0,   0,   0,   0,   0,   0,   '7', '8', '9', '-', '4', '5', '6', '+', '1',
		'2', '3', '0', '.'
	};

	init_gdtidt();
	init_pic();
	io_sti();
	
	init_pit(); // timer
	io_out8(PIC0_IMR, 0xf8); /* PIC1 (11111001) irq0 */
	io_out8(PIC1_IMR, 0xef); //11101111 , allow irq12 
	struct TIMER *timer,*timer2,*timer3;
	timer = timer_alloc();
	timer2 = timer_alloc();
	timer3 = timer_alloc();
	timer_set(timer,1000,&fifo,10);
	timer_set(timer2,300,&fifo,3);
	timer_set(timer3,50,&fifo,1);
	
	init_keyboard(&fifo,256);	
	// memory test
	memtotal = memtest(0x00400000, 0xbfffffff); // available maxmium  address
	memman_init(memman);
	memman_free(memman,0x00001000,0x0009e000);
	memman_free(memman,0x00400000,memtotal-0x00400000);
		
	init_palette();
	binfo = (struct BOOTINFO *)  0x0ff0;
	xsize = binfo->scrnx;
	ysize = binfo->scrny;
	vram  = binfo->vram;
	// sheet setting
	shtctl = shtctl_init(memman, binfo->vram, binfo->scrnx, binfo->scrny);
	sht_back  = sheet_alloc(shtctl);
	sht_mouse = sheet_alloc(shtctl);
	sht_win   = sheet_alloc(shtctl);
	buf_back  = (unsigned char *) memman_alloc_4k(memman, binfo->scrnx * binfo->scrny);
	buf_win  = (unsigned char *) memman_alloc_4k(memman,160 * 52); // window sheet buffer
	sheet_setbuf(sht_back, buf_back, binfo->scrnx, binfo->scrny, -1);
	sheet_setbuf(sht_mouse, buf_mouse, 16, 16, 99); // col_inv 99
	sheet_setbuf(sht_win, buf_win,160,52,-1);
	/* initlize OS background */
	init_screen(buf_back,xsize,ysize);
	
	int mx,my; // mouse position
	// mouse cursor
	struct MOUSE_DEC mdec;
	enable_mouse(&fifo,512,&mdec); 
	init_mouse_cursor8(buf_mouse,99);
	make_window8(buf_win,160,52,"window");
	
	mx = (binfo->scrnx - 16) / 2;
	my = (binfo->scrny - 28 - 16) / 2;

	sheet_move(sht_back,0,0);// move background sheet 
	sheet_move(sht_mouse,mx,my);
	sheet_move(sht_win,80,72);

	sheet_updown(sht_back,0); // height 0, at the bottom
	sheet_updown(sht_win,1);
	sheet_updown(sht_mouse,2); // height 2,on the top
	
	sprintf(s,"%3d %3d",mx,my);
	putfonts8_asc(binfo->vram, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
	sprintf(s, "memory %dMB free %dkb", memtotal/(1024*1024), memman_total(memman)/1024);
	putfonts8_asc(buf_back, binfo->scrnx, 0, 32, COL8_FFFFFF, s);
	sheet_refresh(sht_back,0,0,binfo->scrnx,48);

	int cursor_x,cursor_c;  // cursor color
	make_textbox8(sht_win, 8,28,144,16,COL8_FFFFFF); // heigth is 16
	cursor_x = 8;
	cursor_c = COL8_FFFFFF;


	for(;;)
	{
	//sprintf(s,"%010d",timerctl.count);
	//bps(sht_win,40,28, COL8_C6C6C6,COL8_000000,s,10);
	io_cli(); // forbid all interrupts
	if(fifo_status(&fifo) == 0) 
		io_stihlt();  // read data until it's empty
	else {
		i=fifo_get(&fifo);
		io_sti(); // open interrupts
		if(255 < i && i < 512)
		{sprintf(s, "%02X", i-256);
		boxfill8(buf_back, binfo->scrnx, COL8_008400, 0, 16, 15, 31);
		putfonts8_asc(buf_back, binfo->scrnx, 0, 16, COL8_FFFFFF, s);
		sheet_refresh(sht_back,0,16,16,32);
		if(i<256 +0x54)
			{
			if(keytable[i-256] != 0 && cursor_x < 144)
				{
					s[0]= keytable[i-256];
					s[1]= '\0';
					bps(sht_win,cursor_x,28, COL8_FFFFFF,COL8_000000,s,1); // 4th parm is background color 
					cursor_x +=8; // cursor move forward
				}
			}
		if(i == 256 + 0x0e && cursor_x > 8)
			{
				bps(sht_win,cursor_x,28,COL8_FFFFFF,COL8_000000," ",1);
				cursor_x -=8;
			
			}
		boxfill8(sht_win ->buf, sht_win->bxsize, cursor_c,cursor_x,28,cursor_x+7,43);
		sheet_refresh(sht_win,cursor_x,28,cursor_x+8,44);

		}

		else if(511 < i && i < 768)
		{
		
		if(mouse_decode(&mdec,i-512) != 0) 
		  {	sprintf(s, "[lcr %4d %4d]", mdec.x,mdec.y);
			
			if((mdec.btn & 0x01) != 0) s[1]='L';
		        if((mdec.btn & 0x02) != 0) s[3]='R';
		        if((mdec.btn & 0x04) != 0) s[2]='C';	
			boxfill8(buf_back, binfo->scrnx, COL8_008484, 32, 16, 32+15*8-1, 31); // after filling,show ok
			putfonts8_asc(buf_back, binfo->scrnx, 32, 16, COL8_FFFFFF, s);
		 	sheet_refresh(sht_back,32,16,32+15*8,32);
			// the move of mouse 
			mx +=mdec.x;
			my +=mdec.y;
			if(mx <0) mx = 0;
			if(my <0) my = 0;
			if(mx > binfo->scrnx -1 )  mx =  binfo->scrnx -1;
			if(my > binfo->scrny -1 )  my =  binfo->scrny -1;  // control the mouse move area
		 	sprintf(s, "(%3d,%3d)", mx,my);
			boxfill8(buf_back, binfo->scrnx, COL8_008484, 0, 0,79, 15);
			putfonts8_asc(buf_back, binfo->scrnx, 0, 0, COL8_FFFFFF, s);
			sheet_refresh(sht_back,0,0,80,16);
			sheet_move(sht_mouse,mx,my);
			// move the window, vram -> sht -> move
		 	if(mdec.btn & 0x01 != 0)
				sheet_move(sht_win,mx-80,my-8);
		  }
		}

		else if(i==10)
		{putfonts8_asc(buf_back, binfo->scrnx,0,64, COL8_FFFFFF,"10");
		sheet_refresh(sht_back,0,0,100,100);
		}
		else if(i ==3)
		{putfonts8_asc(buf_back, binfo->scrnx,0,80, COL8_FFFFFF,"3s");
		sheet_refresh(sht_back,0,0,100,100);
		}
		else if(i == 1)
			{
				timer_set(timer3,50,&fifo,0);
				boxfill8(sht_win->buf,sht_win->bxsize, COL8_000000, cursor_x, 28,cursor_x+7, 43);
				sheet_refresh(sht_win,cursor_x,28,cursor_x + 8, 44);
			}
		else if(i==0)
			{
				timer_set(timer3,50,&fifo,1); // keep the data
				boxfill8(sht_win->buf,sht_win->bxsize, COL8_FFFFFF,cursor_x, 28,cursor_x + 7, 43);
				sheet_refresh(sht_win,cursor_x,28,cursor_x + 8, 44);
			}
			
	     }

	}
}
コード例 #3
0
ファイル: main.c プロジェクト: ChunHungLiu/ubuntu230os
void bootmain(void)
{






/*进入30os的部分*/
struct boot_info *bootp=(struct boot_info *)ADDR_BOOT;
init_screen((struct boot_info * )bootp);
init_palette();  //color table from 0 to 15
//clear_screen(8);   	//red
//draw_window();
int mx,my;//mouse position
//display mouse logo
char mousepic[16*16];     //mouse logo buffer

//display_mouse(bootp->vram,bootp->xsize,16,16,mx,my,mousepic,16);
cli();

//set gdt idt
init_gdtidt();
//remap irq 0-15
//函数中: irq 1(keyboard)对应设置中断号int0x21,    irq 12(mouse)对应的中断号是int0x2c 要写中断服务程序了。
init_pic();

//设置完了gdt,idt后再enable cpu interrupt才是安全的

unsigned char s[40];		    //sprintf buffer
unsigned char keybuf[32];	    //keyfifo
unsigned char mousebuf[128];	//mousefifo
unsigned char data;		        //temp variable to get fifo data
int count=0;
fifo8_init(&keyfifo ,32,keybuf);//keyfifo是一个global data defined in int.c
fifo8_init(&mousefifo,128,mousebuf);

//enable timer ,keyboard and mouse   //1111 1000 后面的三个0代表 accept interrupt request, irq0=timer interrupt
outb(PIC0_IMR, 0xf8);//1111 1000  irq 1 2打开 因为keyboard是irq 1,irq2 enable 8259B 芯片发生的中断请求                                 // enable pic slave and keyboard interrupt
//enable mouse interrupt 1110 1111  irq 12 打开 mouse是irq 12  所以要把pic 1 pic 2的芯片中断响应位打开。
outb(PIC1_IMR, 0xef);
//初始化 鼠标按键控制电路
init_keyboard();

//enable cpu interrupt




unsigned int memtotal;
//get the total memory
memtotal=memtest(0x400000,0xffffffff);
//mem=mem>>20; //convert to MBytes
//sprintf(s,"memory:%dMbytes",mem);
//puts8((char *)bootp->vram ,bootp->xsize,0,100,0,s);
Memman * memman=(Memman *)0x3c0000;
memman_init(memman);
//memman_free(memman,0x1000,0x9e000);
memman_free(memman,0x400000,memtotal-0x400000);
//memman_free(memman,0x600000,0x400000);
//memman_free(memman,0xb00000,0x400000);
char *desktop=(unsigned char*)memman_alloc(memman,320*200);
printdebug(desktop,0);
//while(1);
char *win_buf=(unsigned char*)memman_alloc_4K(memman,160*65);
TIMERCTL *timerctl=(TIMERCTL *)memman_alloc_4K(memman,sizeof(TIMERCTL));
gtimerctl=timerctl;
init_pit(timerctl);//init timerctl


draw_win_buf(desktop);
make_window8(win_buf,160,68,"timer");
init_mouse(mousepic,99);	//99 means background color


sprintf(s,"memory:%dMB,free:%dMB,%d",memtotal>>20
,memman_avail(memman)>>20,memman->cellnum);
puts8(desktop ,bootp->xsize,0,150,0,s);

SHTCTL *shtctl;
shtctl=shtctl_init(memman,bootp->vram,bootp->xsize,bootp->ysize);

SHEET *sht_back,*sht_mouse,*sht_win;
//allocate a sheet space from shtctl
sht_back=sheet_alloc(shtctl);
sht_mouse=sheet_alloc(shtctl);
sht_win=sheet_alloc(shtctl);

//write something inside the window
//puts8(win_buf ,160,24,28,0,"hello ,easy os");
//puts8(win_buf ,160,24,44,0,"second line");//y=28+16=44

//hoop the buffer with sheet
sheet_setbuf(sht_back,desktop,320,200,-1);
sheet_setbuf(sht_mouse,mousepic,16,16,99);
sheet_setbuf(sht_win,win_buf,160,65,-1);

mx=0;my=0;//set mouse initial position
sheet_move(sht_back,0,0);
sheet_move(sht_mouse,mx,my);
sheet_move(sht_win,80,72);

//set sht_back to layer0 ;set sht_mouse to layer1
sheet_updown(sht_back,0);
sheet_updown(sht_win,1);
sheet_updown(sht_mouse,2);
//refresh a specific rectangle
sheet_refresh(sht_back,0,0,bootp->xsize,bootp->ysize);

struct FIFO8 timerfifo,timerfifo2,timerfifo3;
char timerbuf[8],timerbuf2[8],timerbuf3[8];
TIMER *timer,*timer2,*timer3;

fifo8_init(&timerfifo,8,timerbuf);
fifo8_init(&timerfifo2,8,timerbuf2);
fifo8_init(&timerfifo3,8,timerbuf3);

timer=timer_alloc(timerctl,0);
timer2=timer_alloc(timerctl,1);
timer3=timer_alloc(timerctl,2);

timer_init(timer,&timerfifo,1);
timer_init(timer2,&timerfifo2,1);
timer_init(timer3,&timerfifo3,1);
//while(1);
timer_settime(timer,1000,timerctl);
timer_settime(timer2,100,timerctl);
timer_settime(timer3,30,timerctl);
sti();
struct MOUSE_DEC mdec;
enable_mouse(&mdec);   //这里会产生一个mouse interrupt
while(1)
 {


    sprintf(s,"%d",timerctl->count);
    boxfill8(win_buf,160,8,20,44,140,60);
    puts8(win_buf ,160,20,44,0,s);//y=28+16=44
    sheet_refresh(sht_win,20,28,140,60);
    sti();
   if(fifo8_status(&keyfifo) +
   fifo8_status(&mousefifo)  +
   fifo8_status(&timerfifo)  +
   fifo8_status(&timerfifo2) +
   fifo8_status(&timerfifo3)
    == 0)//no data in keyfifo and mousefifo
    {
    //sti();
    //hlt();//wait for interrupt
   }
   else
   {
      if(fifo8_status(&keyfifo) != 0)
      {
        data=fifo8_read(&keyfifo);
        sti();
      }//end of keyboard decoder
      else if(fifo8_status(&mousefifo) != 0)//we have mouse interrupt data to process
      {
        data=fifo8_read(&mousefifo);
        sti();
        if(mouse_decode(&mdec,data))
        {
              //3个字节都得到了
              switch (mdec.button)
              {
                case 1:s[1]='L';break;
                case 2:s[3]='R';break;
                case 4:s[2]='M';break;
              }
              sprintf(s,"[lmr:%d %d]",mdec.x,mdec.y);
              boxfill8(desktop,320,0,32,16,32+15*8-1,33);//一个黑色的小box
              puts8(desktop,bootp->xsize,32,16,7,s);     //display e0
              sheet_refresh(sht_back,32,16,32+20*8-1,31);
        #define white 7
               //because we use sheet layer ,so we do not need this any more
              //boxfill8(p,320,white,mx,my,mx+15,my+15);//用背景色把鼠标原来的color填充,这样不会看到鼠标移动的path
              mx +=mdec.x;//mx=mx+dx
              my +=mdec.y;//my=my+dy
              if(mx<0)
              {
                mx=0;
              }
              if(my<0)
              {
                my=0;
              }


              if(mx>bootp->xsize-1)
              {
                mx=bootp->xsize-1;
              }

              if(my>bootp->ysize-1)
              {
                my=bootp->ysize-1;
              }
              sprintf(s,"(%d, %d)",mx,my);
              boxfill8(desktop,320,0,0,0,79,15);//坐标的背景色
              puts8(desktop ,bootp->xsize,0,0,7,s);//显示坐标
              sheet_refresh(sht_back,0,0,bootp->xsize,15);
              sheet_move(sht_mouse,mx,my);
        }
      }//end of mouse decoder
      else if(fifo8_status(&timerfifo)!=0)
      {
        data=fifo8_read(&timerfifo);
        sti();
        puts8(desktop ,bootp->xsize,0,64,0,"10[sec]");//显示坐标
        sheet_refresh(sht_back,0,64,bootp->xsize,80);
        //printdebug(99,80);
      }//end of timer
      else if(fifo8_status(&timerfifo2)!=0)
      {
        data=fifo8_read(&timerfifo2);
        sti();
        puts8(desktop ,bootp->xsize,0,80,0,"3[sec]");//显示坐标
        sheet_refresh(sht_back,0,80,bootp->xsize,96);
       // printdebug(16,150);
     // while(1);
      }//end of timer2
      else if(fifo8_status(&timerfifo3)!=0)//cursor blink
      {
        data=fifo8_read(&timerfifo3);
        sti();
        //static unsigned a=0;a++;//因为你没有把里面的数据读走,所以一直会进来
        //printdebug(a,0);
            if(data!=0)
            {
                timer_init(timer3,&timerfifo3,0);
                boxfill8(desktop,bootp->xsize,7,8,96,15,111);

            }
            else
            {
                timer_init(timer3,&timerfifo3,1);
                boxfill8(desktop,bootp->xsize,0,8,96,15,111);

            }
            timer_settime(timer3,50,timerctl);
            sheet_refresh(sht_back,8,96,15,111);
            sheet_refresh(sht_back,250,100,320,108);
      }//end of timer3

   }

 }
}