start命令

26_day/bootpack.c

@@ -268,8 +268,13 @@ void HariMain(void)
 												task->tss.eax = (int) &(task->tss.esp0);
 												task->tss.eip = (int) asm_end_app;
 												io_sti();
+											} else { /*命令行窗口*/
+												task = sht->task;
+												io_cli();
+												fifo32_put(&task->fifo, 4);
+												io_sti();
 											}
-										}
+										} 
 										break;
 									}
 								}

26_day/bootpack.h

@@ -256,6 +256,7 @@ void cmd_cls(struct CONSOLE *cons);
 void cmd_dir(struct CONSOLE *cons);
 void cmd_type(struct CONSOLE *cons, int *fat, char *cmdline);
 void cmd_exit(struct CONSOLE *cons, int *fat);
+void cmd_start(struct CONSOLE *cons, char *cmdline, int memtotal);
 int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline);
 int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int eax);
 int *inthandler0d(int *esp);

26_day/console.c

@@ -54,6 +54,9 @@ void console_task(struct SHEET *sheet, int memtotal)
 				boxfill8(sheet->buf, sheet->bxsize, COL8_000000, cons.cur_x, cons.cur_y, cons.cur_x + 7, cons.cur_y + 15);
 				cons.cur_c = -1;
 			}
+			if (i == 4) { /*点击命令行窗口的“×”按钮*/ 
+				cmd_exit(&cons, fat);
+			}
 			if (256 <= i && i <= 511) { /*键盘数据（通过任务A）*/
 				if (i == 8 + 256) {
 					/*退格键*/
@@ -175,6 +178,8 @@ void cons_runcmd(char *cmdline, struct CONSOLE *cons, int *fat, int memtotal)
 		cmd_type(cons, fat, cmdline);
 	} else if (strcmp(cmdline, "exit") == 0) {
 		cmd_exit(cons, fat);
+	} else if (strncmp(cmdline, "start ", 6) == 0) {
+		cmd_start(cons, cmdline, memtotal);
 	} else if (cmdline[0] != 0) {
 		if (cmd_app(cons, fat, cmdline) == 0) {
 			/*不是命令，不是应用程序，也不是空行*/
@@ -268,6 +273,23 @@ void cmd_exit(struct CONSOLE *cons, int *fat)
 	}
 }
 
+void cmd_start(struct CONSOLE *cons, char *cmdline, int memtotal)
+{
+	struct SHTCTL *shtctl = (struct SHTCTL *) *((int *) 0x0fe4);
+	struct SHEET *sht = open_console(shtctl, memtotal);
+	struct FIFO32 *fifo = &sht->task->fifo;
+	int i;
+	sheet_slide(sht, 32, 4);
+	sheet_updown(sht, shtctl->top);
+	/*将命令行输入的字符串逐字复制到新的命令行窗口中*/
+	for (i = 6; cmdline[i] != 0; i++) {
+		fifo32_put(fifo, cmdline[i] + 256);
+	}
+	fifo32_put(fifo, 10 + 256);	 /*回车键*/
+	cons_newline(cons);
+	return;
+}
+
 int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
 {
 	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;