追记内容（1）

14_day/bootpack.c

@@ -5,6 +5,7 @@
 
 void make_window8(unsigned char *buf, int xsize, int ysize, char *title);
 void putfonts8_asc_sht(struct SHEET *sht, int x, int y, int c, int b, char *s, int l);
+void make_textbox8(struct SHEET *sht, int x0, int y0, int sx, int sy, int c);
 
 void HariMain(void)
 {
@@ -13,7 +14,7 @@ void HariMain(void)
 	char s[40];
 	int fifobuf[128];
 	struct TIMER *timer, *timer2, *timer3;
-	int mx, my, i;
+	int mx, my, i, cursor_x, cursor_c;
 	unsigned int memtotal;
 	struct MOUSE_DEC mdec;
 	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
@@ -67,6 +68,9 @@ void HariMain(void)
 	init_screen8(buf_back, binfo->scrnx, binfo->scrny);
 	init_mouse_cursor8(buf_mouse, 99); /* 背景色号99 */
 	make_window8(buf_win, 160, 52, "window");
+	make_textbox8(sht_win, 8, 28, 144, 16, COL8_FFFFFF);
+	cursor_x = 8;
+	cursor_c = COL8_FFFFFF;
 	sheet_slide(sht_back, 0, 0);
 	mx = (binfo->scrnx - 16) / 2; /* 按显示在画面中央来计算坐标 */
 	my = (binfo->scrny - 28 - 16) / 2;
@@ -84,20 +88,29 @@ void HariMain(void)
 	for (;;) {
 		io_cli();
 		if (fifo32_status(&fifo) == 0) {
-			io_sti();
+			io_stihlt();
 		} else {
 			i = fifo32_get(&fifo);
 			io_sti();
 			if (256 <= i && i <= 511) { /* 键盘数据*/
 				sprintf(s, "%02X", i - 256);
 				putfonts8_asc_sht(sht_back, 0, 16, COL8_FFFFFF, COL8_008484, s, 2);
-				if (i < 256 + 0x54) {
-					if (keytable[i - 256] != 0) {
+				if (i < 0x54 + 256) {
+					if (keytable[i - 256] != 0 && cursor_x < 144) {
 						s[0] = keytable[i - 256];
 						s[1] = 0;
-						putfonts8_asc_sht(sht_win, 40, 28, COL8_000000, COL8_C6C6C6, s, 1);
+						putfonts8_asc_sht(sht_win, cursor_x, 28, COL8_000000, COL8_FFFFFF, s, 1);
+						cursor_x += 8;
 					}
 				}
+				if (i == 256 + 0x0e && cursor_x > 8) { /* 退格键 */
+					/* 用空格键把光标消去后，后移1次光标 */
+					putfonts8_asc_sht(sht_win, cursor_x, 28, COL8_000000, COL8_FFFFFF, " ", 1);
+					cursor_x -= 8;
+				}
+				/* 光标再显示 */
+				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 (512 <= i && i <= 767) { /* 鼠标数据*/
 				if (mouse_decode(&mdec, i - 512) != 0) {
 					/* 已经收集了3字节的数据，所以显示出来 */
@@ -135,16 +148,17 @@ void HariMain(void)
 				putfonts8_asc_sht(sht_back, 0, 64, COL8_FFFFFF, COL8_008484, "10[sec]", 7);
 			} else if (i == 3) { /* 3秒定时器 */
 				putfonts8_asc_sht(sht_back, 0, 80, COL8_FFFFFF, COL8_008484, "3[sec]", 6);
-			} else if (i == 1) { /* 光标用定时器*/
-				timer_init(timer3, &fifo, 0); /* 下面是设定0 */
-				boxfill8(buf_back, binfo->scrnx, COL8_FFFFFF, 8, 96, 15, 111);
-				timer_settime(timer3, 50);
-				sheet_refresh(sht_back, 8, 96, 16, 112);
-			} else if (i == 0) { /* 光标用定时器 */
-				timer_init(timer3, &fifo, 1); /* 下面是设定1 */
-				boxfill8(buf_back, binfo->scrnx, COL8_008484, 8, 96, 15, 111);
+			} else if (i <= 1) { /* 光标用定时器*/
+				if (i != 0) {
+					timer_init(timer3, &fifo, 0); /* 下面设定0 */
+					cursor_c = COL8_000000;
+				} else {
+					timer_init(timer3, &fifo, 1); /* 下面设定1 */
+					cursor_c = COL8_FFFFFF;
+				}
 				timer_settime(timer3, 50);
-				sheet_refresh(sht_back, 8, 96, 16, 112);
+				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);
 			}
 		}
 	}
@@ -206,3 +220,18 @@ void putfonts8_asc_sht(struct SHEET *sht, int x, int y, int c, int b, char *s, i
 	sheet_refresh(sht, x, y, x + l * 8, y + 16);
 	return;
 }
+
+void make_textbox8(struct SHEET *sht, int x0, int y0, int sx, int sy, int c)
+{
+	int x1 = x0 + sx, y1 = y0 + sy;
+	boxfill8(sht->buf, sht->bxsize, COL8_848484, x0 - 2, y0 - 3, x1 + 1, y0 - 3);
+	boxfill8(sht->buf, sht->bxsize, COL8_848484, x0 - 3, y0 - 3, x0 - 3, y1 + 1);
+	boxfill8(sht->buf, sht->bxsize, COL8_FFFFFF, x0 - 3, y1 + 2, x1 + 1, y1 + 2);
+	boxfill8(sht->buf, sht->bxsize, COL8_FFFFFF, x1 + 2, y0 - 3, x1 + 2, y1 + 2);
+	boxfill8(sht->buf, sht->bxsize, COL8_000000, x0 - 1, y0 - 2, x1 + 0, y0 - 2);
+	boxfill8(sht->buf, sht->bxsize, COL8_000000, x0 - 2, y0 - 2, x0 - 2, y1 + 0);
+	boxfill8(sht->buf, sht->bxsize, COL8_C6C6C6, x0 - 2, y1 + 1, x1 + 0, y1 + 1);
+	boxfill8(sht->buf, sht->bxsize, COL8_C6C6C6, x1 + 1, y0 - 2, x1 + 1, y1 + 1);
+	boxfill8(sht->buf, sht->bxsize, c, x0 - 1, y0 - 1, x1 + 0, y1 + 0);
+	return;
+}