From 0e31ff06caa6cb7a2d14089515c63a62d4189690 Mon Sep 17 00:00:00 2001
From: Yourtion <yourtion@gmail.com>
Date: Fri, 20 May 2016 14:27:07 +0800
Subject: [PATCH] bug fix

---
 30_day/a/Makefile            |   3 +
 30_day/apilib/apilib.lib     | Bin 8966 -> 0 bytes
 30_day/haribote/bootpack.h   |  20 +++----
 30_day/haribote/console.c    | 104 +++++++++++++++++------------------
 30_day/haribote/haribote.sys | Bin 33331 -> 0 bytes
 30_day/haribote/ipl20.nas    |   6 +-
 30_day/haribote/mouse.c      |  16 +++---
 30_day/haribote/mtask.c      |  35 ++++++------
 30_day/haribote/tek.c        |  10 ++--
 9 files changed, 98 insertions(+), 96 deletions(-)
 delete mode 100644 30_day/apilib/apilib.lib
 delete mode 100644 30_day/haribote/haribote.sys

diff --git a/30_day/a/Makefile b/30_day/a/Makefile
index 674a683..5539044 100644
--- a/30_day/a/Makefile
+++ b/30_day/a/Makefile
@@ -3,3 +3,6 @@ STACK    = 1k
 MALLOC   = 0k
 
 include ../app_make.txt
+
+$(APP).hrb : $(APP).org Makefile
+	$(COPY) $(APP).org $(APP).hrb
diff --git a/30_day/apilib/apilib.lib b/30_day/apilib/apilib.lib
deleted file mode 100644
index 29a8eeebd154eb753bb6d0e59a2125dff5d57df1..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 8966
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zK-^k$qlc;oq)PNssXbL3d}`GzxpBx}!ZGc8Gdt^DHali3*0L&|WbMw6ot>S}zIi{^
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diff --git a/30_day/haribote/bootpack.h b/30_day/haribote/bootpack.h
index bb195ff..aa970dc 100644
--- a/30_day/haribote/bootpack.h
+++ b/30_day/haribote/bootpack.h
@@ -88,16 +88,16 @@ struct GATE_DESCRIPTOR {
 void init_gdtidt(void);
 void set_segmdesc(struct SEGMENT_DESCRIPTOR *sd, unsigned int limit, int base, int ar);
 void set_gatedesc(struct GATE_DESCRIPTOR *gd, int offset, int selector, int ar);
-#define ADR_IDT				0x0026f800
-#define LIMIT_IDT			0x000007ff
-#define ADR_GDT				0x00270000
-#define LIMIT_GDT			0x0000ffff
+#define ADR_IDT			0x0026f800
+#define LIMIT_IDT		0x000007ff
+#define ADR_GDT			0x00270000
+#define LIMIT_GDT		0x0000ffff
 #define ADR_BOTPAK		0x00280000
 #define LIMIT_BOTPAK	0x0007ffff
 #define AR_DATA32_RW	0x4092
 #define AR_CODE32_ER	0x409a
-#define AR_LDT				0x0082
-#define AR_TSS32			0x0089
+#define AR_LDT			0x0082
+#define AR_TSS32		0x0089
 #define AR_INTGATE32	0x008e
 
 /* int.c */
@@ -288,10 +288,10 @@ void file_loadfile(int clustno, int size, char *buf, int *fat, char *img);
 struct FILEINFO *file_search(char *name, struct FILEINFO *finfo, int max);
 char *file_loadfile2(int clustno, int *psize, int *fat);
 
-/* bootpack.c */
-struct TASK *open_constask(struct SHEET *sht, unsigned int memtotal);
-struct SHEET *open_console(struct SHTCTL *shtctl, unsigned int memtotal);
-
 /* tek.c */
 int tek_getsize(unsigned char *p);
 int tek_decomp(unsigned char *p, char *q, int size);
+
+/* bootpack.c */
+struct TASK *open_constask(struct SHEET *sht, unsigned int memtotal);
+struct SHEET *open_console(struct SHTCTL *shtctl, unsigned int memtotal);
diff --git a/30_day/haribote/console.c b/30_day/haribote/console.c
index 3e51686..e8c5c69 100644
--- a/30_day/haribote/console.c
+++ b/30_day/haribote/console.c
@@ -9,8 +9,8 @@ void console_task(struct SHEET *sheet, int memtotal)
 	struct TASK *task = task_now();
 	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
 	int i, *fat = (int *) memman_alloc_4k(memman, 4 * 2880);
-	struct FILEHANDLE fhandle[8];
 	struct CONSOLE cons;
+	struct FILEHANDLE fhandle[8];
 	char cmdline[30];
 	unsigned char *nihongo = (char *) *((int *) 0x0fe8);
 
@@ -133,19 +133,19 @@ void cons_putchar(struct CONSOLE *cons, int chr, char move)
 				cons_newline(cons);
 			}
 			if (((cons->cur_x - 8) & 0x1f) == 0) {
-				break; /*被32整除则break*/
+				break;	/* 32�Ŋ���؂ꂽ��break */
 			}
 		}
-	} else if (s[0] == 0x0a) { /*换行*/
+	} else if (s[0] == 0x0a) {	/* ���s */
 		cons_newline(cons);
-	} else if (s[0] == 0x0d) { /*回车*/
-		/*先不做任何操作*/
-	} else { /*一般字符*/
+	} else if (s[0] == 0x0d) {	/* ���A */
+		/* �Ƃ肠�����Ȃɂ����Ȃ� */
+	} else {	/* ���ʂ̕��� */
 		if (cons->sht != 0) {
 			putfonts8_asc_sht(cons->sht, cons->cur_x, cons->cur_y, COL8_FFFFFF, COL8_000000, s, 1);
 		}
 		if (move != 0) {
-			/* move为0时光标不后移*/
+			/* move��0�̂Ƃ��̓J�[�\����i�߂Ȃ� */
 			cons->cur_x += 8;
 			if (cons->cur_x == 8 + 240) {
 				cons_newline(cons);
@@ -161,9 +161,9 @@ void cons_newline(struct CONSOLE *cons)
 	struct SHEET *sheet = cons->sht;
 	struct TASK *task = task_now();
 	if (cons->cur_y < 28 + 112) {
-		cons->cur_y += 16; /*到下一行*/
+		cons->cur_y += 16; /* ���̍s�� */
 	} else {
-		/*滚动*/
+		/* �X�N���[�� */
 		if (sheet != 0) {
 			for (y = 28; y < 28 + 112; y++) {
 				for (x = 8; x < 8 + 240; x++) {
@@ -180,7 +180,7 @@ void cons_newline(struct CONSOLE *cons)
 	}
 	cons->cur_x = 8;
 	if (task->langmode == 1 && task->langbyte1 != 0) {
-		cons->cur_x += 8;
+		cons->cur_x = 16;
 	}
 	return;
 }
@@ -208,7 +208,7 @@ void cons_runcmd(char *cmdline, struct CONSOLE *cons, int *fat, int memtotal)
 		cmd_mem(cons, memtotal);
 	} else if (strcmp(cmdline, "cls") == 0 && cons->sht != 0) {
 		cmd_cls(cons);
-	} else if ((strcmp(cmdline, "dir") == 0 || strcmp(cmdline, "ls") == 0) && cons->sht != 0) {
+	} else if (strcmp(cmdline, "dir") == 0 && cons->sht != 0) {
 		cmd_dir(cons);
 	} else if (strcmp(cmdline, "exit") == 0) {
 		cmd_exit(cons, fat);
@@ -218,9 +218,9 @@ void cons_runcmd(char *cmdline, struct CONSOLE *cons, int *fat, int memtotal)
 		cmd_ncst(cons, cmdline, memtotal);
 	} else if (strncmp(cmdline, "langmode ", 9) == 0) {
 		cmd_langmode(cons, cmdline);
-	}else if (cmdline[0] != 0) {
+	} 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*/
+			/* �R�}���h�ł͂Ȃ��A�A�v���ł��Ȃ��A����ɋ�s�ł��Ȃ� */
 			cons_putstr0(cons, "Bad command.\n\n");
 		}
 	}
@@ -288,9 +288,9 @@ void cmd_exit(struct CONSOLE *cons, int *fat)
 	memman_free_4k(memman, (int) fat, 4 * 2880);
 	io_cli();
 	if (cons->sht != 0) {
-		fifo32_put(fifo, cons->sht - shtctl->sheets0 + 768); /* 768〜1023 */
+		fifo32_put(fifo, cons->sht - shtctl->sheets0 + 768);	/* 768�`1023 */
 	} else {
-		fifo32_put(fifo, task - taskctl->tasks0 + 1024); /*1024～2023*/
+		fifo32_put(fifo, task - taskctl->tasks0 + 1024);	/* 1024�`2023 */
 	}
 	io_sti();
 	for (;;) {
@@ -306,11 +306,11 @@ void cmd_start(struct CONSOLE *cons, char *cmdline, int memtotal)
 	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*/
+	/* �R�}���h���C���ɓ��͂��ꂽ��������A�ꕶ�����V�����R���\�[���ɓ��� */
 	for (i = 6; cmdline[i] != 0; i++) {
 		fifo32_put(fifo, cmdline[i] + 256);
 	}
-	fifo32_put(fifo, 10 + 256);	 /*回车键*/
+	fifo32_put(fifo, 10 + 256);	/* Enter */
 	cons_newline(cons);
 	return;
 }
@@ -320,12 +320,11 @@ void cmd_ncst(struct CONSOLE *cons, char *cmdline, int memtotal)
 	struct TASK *task = open_constask(0, memtotal);
 	struct FIFO32 *fifo = &task->fifo;
 	int i;
-
-	/*将命令行输入的字符串逐字复制到新的命令行窗口中*/
+	/* �R�}���h���C���ɓ��͂��ꂽ��������A�ꕶ�����V�����R���\�[���ɓ��� */
 	for (i = 5; cmdline[i] != 0; i++) {
 		fifo32_put(fifo, cmdline[i] + 256);
 	}
-	fifo32_put(fifo, 10 + 256); /*回车键*/
+	fifo32_put(fifo, 10 + 256);	/* Enter */
 	cons_newline(cons);
 	return;
 }
@@ -347,26 +346,25 @@ int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
 {
 	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
 	struct FILEINFO *finfo;
-	struct SEGMENT_DESCRIPTOR *gdt = (struct SEGMENT_DESCRIPTOR *) ADR_GDT;
 	char name[18], *p, *q;
 	struct TASK *task = task_now();
 	int i, segsiz, datsiz, esp, dathrb, appsiz;
 	struct SHTCTL *shtctl;
 	struct SHEET *sht;
 
-	/*根据命令行生成文件名*/
+	/* �R�}���h���C������t�@�C�����𐶐� */
 	for (i = 0; i < 13; i++) {
 		if (cmdline[i] <= ' ') {
 			break;
 		}
 		name[i] = cmdline[i];
 	}
-	name[i] = 0; /*暂且将文件名的后面置为0*/
+	name[i] = 0; /* �Ƃ肠�����t�@�C�����̌���0�ɂ��� */
 
-	/*寻找文件 */
+	/* �t�@�C����T�� */
 	finfo = file_search(name, (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
 	if (finfo == 0 && name[i - 1] != '.') {
-		/*由于找不到文件，故在文件名后面加上“.hrb”后重新寻找*/
+		/* ���‚���Ȃ������̂Ō���".HRB"���‚��Ă�����x�T���Ă݂� */
 		name[i    ] = '.';
 		name[i + 1] = 'H';
 		name[i + 2] = 'R';
@@ -376,7 +374,7 @@ int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
 	}
 
 	if (finfo != 0) {
-		/*如果找到文件*/
+		/* �t�@�C�������‚������ꍇ */
 		appsiz = finfo->size;
 		p = file_loadfile2(finfo->clustno, &appsiz, fat);
 		if (appsiz >= 36 && strncmp(p + 4, "Hari", 4) == 0 && *p == 0x00) {
@@ -386,8 +384,8 @@ int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
 			dathrb = *((int *) (p + 0x0014));
 			q = (char *) memman_alloc_4k(memman, segsiz);
 			task->ds_base = (int) q;
-			set_segmdesc(task->ldt + 0, finfo->size - 1, (int) p, AR_CODE32_ER + 0x60);
-			set_segmdesc(task->ldt + 1, segsiz - 1, (int) q, AR_DATA32_RW + 0x60); 
+			set_segmdesc(task->ldt + 0, appsiz - 1, (int) p, AR_CODE32_ER + 0x60);
+			set_segmdesc(task->ldt + 1, segsiz - 1, (int) q, AR_DATA32_RW + 0x60);
 			for (i = 0; i < datsiz; i++) {
 				q[esp + i] = p[dathrb + i];
 			}
@@ -396,11 +394,11 @@ int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
 			for (i = 0; i < MAX_SHEETS; i++) {
 				sht = &(shtctl->sheets0[i]);
 				if ((sht->flags & 0x11) == 0x11 && sht->task == task) {
-					/*找到被应用程序遗留的窗口*/
-					sheet_free(sht); /*关闭*/
+					/* �A�v�����J�����ςȂ��ɂ����������𔭌� */
+					sheet_free(sht);	/* �‚��� */
 				}
 			}
-			for (i = 0; i < 8; i++) { /*将未关闭的文件关闭*/ 
+			for (i = 0; i < 8; i++) {	/* �N���[�Y���ĂȂ��t�@�C�����N���[�Y */
 				if (task->fhandle[i].buf != 0) {
 					memman_free_4k(memman, (int) task->fhandle[i].buf, task->fhandle[i].size);
 					task->fhandle[i].buf = 0;
@@ -416,7 +414,7 @@ int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
 		cons_newline(cons);
 		return 1;
 	}
-	/*没有找到文件的情况*/
+	/* �t�@�C�������‚���Ȃ������ꍇ */
 	return 0;
 }
 
@@ -428,8 +426,8 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 	struct SHTCTL *shtctl = (struct SHTCTL *) *((int *) 0x0fe4);
 	struct SHEET *sht;
 	struct FIFO32 *sys_fifo = (struct FIFO32 *) *((int *) 0x0fec);
-	int *reg = &eax + 1; /* eax后面的地址*/
-	/*强行改写通过PUSHAD保存的值*/
+	int *reg = &eax + 1;	/* eax�̎��̔Ԓn */
+		/* �ۑ��̂��߂�PUSHAD�������ɏ��������� */
 		/* reg[0] : EDI,   reg[1] : ESI,   reg[2] : EBP,   reg[3] : ESP */
 		/* reg[4] : EBX,   reg[5] : EDX,   reg[6] : ECX,   reg[7] : EAX */
 	int i;
@@ -452,7 +450,7 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 		sheet_setbuf(sht, (char *) ebx + ds_base, esi, edi, eax);
 		make_window8((char *) ebx + ds_base, esi, edi, (char *) ecx + ds_base, 0);
 		sheet_slide(sht, ((shtctl->xsize - esi) / 2) & ~3, (shtctl->ysize - edi) / 2);
-		sheet_updown(sht, shtctl->top); /*将窗口图层高度指定为当前鼠标所在图层的高度，鼠标移到上层*/
+		sheet_updown(sht, shtctl->top); /* ���̃}�E�X�Ɠ��������ɂȂ�悤�Ɏw��F �}�E�X�͂��̏�ɂȂ� */
 		reg[7] = (int) sht;
 	} else if (edx == 6) {
 		sht = (struct SHEET *) (ebx & 0xfffffffe);
@@ -468,13 +466,13 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 		}
 	} else if (edx == 8) {
 		memman_init((struct MEMMAN *) (ebx + ds_base));
-		ecx &= 0xfffffff0; /*以16字节为单位*/
+		ecx &= 0xfffffff0;	/* 16�o�C�g�P�ʂ� */
 		memman_free((struct MEMMAN *) (ebx + ds_base), eax, ecx);
 	} else if (edx == 9) {
-		ecx = (ecx + 0x0f) & 0xfffffff0; /*以16字节为单位进位取整*/
+		ecx = (ecx + 0x0f) & 0xfffffff0; /* 16�o�C�g�P�ʂɐ؂�グ */
 		reg[7] = memman_alloc((struct MEMMAN *) (ebx + ds_base), ecx);
 	} else if (edx == 10) {
-		ecx = (ecx + 0x0f) & 0xfffffff0; /*以16字节为单位进位取整*/
+		ecx = (ecx + 0x0f) & 0xfffffff0; /* 16�o�C�g�P�ʂɐ؂�グ */
 		memman_free((struct MEMMAN *) (ebx + ds_base), eax, ecx);
 	} else if (edx == 11) {
 		sht = (struct SHEET *) (ebx & 0xfffffffe);
@@ -508,7 +506,7 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 			io_cli();
 			if (fifo32_status(&task->fifo) == 0) {
 				if (eax != 0) {
-					task_sleep(task); /* FIFO为空，休眠并等待*/
+					task_sleep(task);	/* FIFO����Ȃ̂ŐQ�đ҂� */
 				} else {
 					io_sti();
 					reg[7] = -1;
@@ -517,32 +515,32 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 			}
 			i = fifo32_get(&task->fifo);
 			io_sti();
-			if (i <= 1) { /*光标用定时器*/
-				/*应用程序运行时不需要显示光标，因此总是将下次显示用的值置为1*/
-				timer_init(cons->timer, &task->fifo, 1); /*下次置为1*/
+			if (i <= 1 && cons->sht != 0) { /* �J�[�\���p�^�C�} */
+				/* �A�v�����s���̓J�[�\�����o�Ȃ��̂ŁA���‚����͕\���p��1�𒍕����Ă��� */
+				timer_init(cons->timer, &task->fifo, 1); /* ����1�� */
 				timer_settime(cons->timer, 50);
 			}
-			if (i == 2) { /*光标ON */
+			if (i == 2) {	/* �J�[�\��ON */
 				cons->cur_c = COL8_FFFFFF;
 			}
-			if (i == 3) { /*光标OFF */
+			if (i == 3) {	/* �J�[�\��OFF */
 				cons->cur_c = -1;
 			}
-			if (i == 4) { /*只关闭命令行窗口*/
+			if (i == 4) {	/* �R���\�[��������‚��� */
 				timer_cancel(cons->timer);
 				io_cli();
-				fifo32_put(sys_fifo, cons->sht - shtctl->sheets0 + 2024); /*2024～2279*/
+				fifo32_put(sys_fifo, cons->sht - shtctl->sheets0 + 2024);	/* 2024�`2279 */
 				cons->sht = 0;
 				io_sti();
 			}
-			if (i >= 256) { /*键盘数据（通过任务A）等*/
+			if (i >= 256) { /* �L�[�{�[�h�f�[�^�i�^�X�NA�o�R�j�Ȃ� */
 				reg[7] = i - 256;
 				return 0;
 			}
 		}
 	} else if (edx == 16) {
 		reg[7] = (int) timer_alloc();
-		((struct TIMER *) reg[7])->flags2 = 1; /*允许自动取消*/
+		((struct TIMER *) reg[7])->flags2 = 1;	/* �����L�����Z���L�� */
 	} else if (edx == 17) {
 		timer_init((struct TIMER *) ebx, &task->fifo, eax + 256);
 	} else if (edx == 18) {
@@ -570,13 +568,13 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 		fh = &task->fhandle[i];
 		reg[7] = 0;
 		if (i < 8) {
-			finfo = file_search((char *) ebx + ds_base, (struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
+			finfo = file_search((char *) ebx + ds_base,
+					(struct FILEINFO *) (ADR_DISKIMG + 0x002600), 224);
 			if (finfo != 0) {
 				reg[7] = (int) fh;
-				fh->buf = (char *) memman_alloc_4k(memman, finfo->size);
 				fh->size = finfo->size;
 				fh->pos = 0;
-				file_loadfile2(finfo->clustno, &fh->size, task->fat);
+				fh->buf = file_loadfile2(finfo->clustno, &fh->size, task->fat);
 			}
 		}
 	} else if (edx == 22) {
@@ -644,7 +642,7 @@ int *inthandler0c(int *esp)
 	cons_putstr0(cons, "\nINT 0C :\n Stack Exception.\n");
 	sprintf(s, "EIP = %08X\n", esp[11]);
 	cons_putstr0(cons, s);
-	return &(task->tss.esp0); /*强制结束程序*/
+	return &(task->tss.esp0);	/* �ُ�I�������� */
 }
 
 int *inthandler0d(int *esp)
@@ -655,7 +653,7 @@ int *inthandler0d(int *esp)
 	cons_putstr0(cons, "\nINT 0D :\n General Protected Exception.\n");
 	sprintf(s, "EIP = %08X\n", esp[11]);
 	cons_putstr0(cons, s);
-	return &(task->tss.esp0);	/*强制结束程序*/
+	return &(task->tss.esp0);	/* �ُ�I�������� */
 }
 
 void hrb_api_linewin(struct SHEET *sht, int x0, int y0, int x1, int y1, int col)
diff --git a/30_day/haribote/haribote.sys b/30_day/haribote/haribote.sys
deleted file mode 100644
index e098d2b2dc72ce95ff296ef38e8f320f59a0abbd..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 33331
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diff --git a/30_day/haribote/ipl20.nas b/30_day/haribote/ipl20.nas
index 9b14835..5ccde9c 100644
--- a/30_day/haribote/ipl20.nas
+++ b/30_day/haribote/ipl20.nas
@@ -43,10 +43,8 @@ entry:
 		MOV		CH,0			; 柱面0
 		MOV		DH,0			; 磁头0
 		MOV		CL,2			; 扇区2
-
 readloop:
 		MOV		SI,0			; 记录失败次数寄存器
-
 retry:
 		MOV		AH,0x02			; AH=0x02 : 读入磁盘
 		MOV		AL,1			; 1个扇区
@@ -82,8 +80,9 @@ next:
 		JMP		0xc200
 
 error:
+		MOV		AX,0
+		MOV		ES,AX
 		MOV		SI,msg
-
 putloop:
 		MOV		AL,[SI]
 		ADD		SI,1			; 给SI加1
@@ -93,7 +92,6 @@ putloop:
 		MOV		BX,15			; 指定字符颜色
 		INT		0x10			; 调用显卡BIOS
 		JMP		putloop
-
 fin:
 		HLT						; 让CPU停止，等待指令
 		JMP		fin				; 无限循环
diff --git a/30_day/haribote/mouse.c b/30_day/haribote/mouse.c
index 0c6403e..8281311 100644
--- a/30_day/haribote/mouse.c
+++ b/30_day/haribote/mouse.c
@@ -16,8 +16,8 @@ void inthandler2c(int *esp)
 	return;
 }
 
-#define KEYCMD_SENDTO_MOUSE   0xd4
-#define MOUSECMD_ENABLE     0xf4
+#define KEYCMD_SENDTO_MOUSE		0xd4
+#define MOUSECMD_ENABLE			0xf4
 
 void enable_mouse(struct FIFO32 *fifo, int data0, struct MOUSE_DEC *mdec)
 {
@@ -31,7 +31,7 @@ void enable_mouse(struct FIFO32 *fifo, int data0, struct MOUSE_DEC *mdec)
 	io_out8(PORT_KEYDAT, MOUSECMD_ENABLE);
 	/* 顺利的话，ACK(0xfa)会被发送*/
 	mdec->phase = 0; /* 等待鼠标的0xfa的阶段*/
-return;
+	return;
 }
 
 int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat)
@@ -40,13 +40,15 @@ int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat)
 		/* 等待鼠标的0xfa的阶段 */
 		if (dat == 0xfa) {
 			mdec->phase = 1;
-		}        
+		}
 		return 0;
 	}
 	if (mdec->phase == 1) {
 		/* 等待鼠标第一字节的阶段 */
-		mdec->buf[0] = dat;
-		mdec->phase = 2;
+		if ((dat & 0xc8) == 0x08) {
+			mdec->buf[0] = dat;
+			mdec->phase = 2;
+		}
 		return 0;
 	}
 	if (mdec->phase == 2) {
@@ -67,7 +69,7 @@ int mouse_decode(struct MOUSE_DEC *mdec, unsigned char dat)
 		}
 		if ((mdec->buf[0] & 0x20) != 0) {
 			mdec->y |= 0xffffff00;
-		}      
+		}
 		mdec->y = - mdec->y; /* 鼠标的y方向与画面符号相反 */  
 		return 1;
 	}
diff --git a/30_day/haribote/mtask.c b/30_day/haribote/mtask.c
index f67b935..14bb46e 100644
--- a/30_day/haribote/mtask.c
+++ b/30_day/haribote/mtask.c
@@ -1,4 +1,4 @@
-/* 多任务管理 */
+/* �}���`�^�X�N�֌W */
 
 #include "bootpack.h"
 
@@ -16,7 +16,7 @@ void task_add(struct TASK *task)
 	struct TASKLEVEL *tl = &taskctl->level[task->level];
 	tl->tasks[tl->running] = task;
 	tl->running++;
-	task->flags = 2; /*活动中*/
+	task->flags = 2; /* ���쒆 */
 	return;
 }
 
@@ -25,38 +25,39 @@ void task_remove(struct TASK *task)
 	int i;
 	struct TASKLEVEL *tl = &taskctl->level[task->level];
 
-	/*寻找task所在的位置*/
+	/* task���ǂ��ɂ��邩��T�� */
 	for (i = 0; i < tl->running; i++) {
 		if (tl->tasks[i] == task) {
-			/*在这里 */
+			/* �����ɂ��� */
 			break;
 		}
 	}
 
 	tl->running--;
 	if (i < tl->now) {
-		tl->now--; /*需要移动成员，要相应地处理 */
+		tl->now--; /* �����̂ŁA��������킹�Ă��� */
 	}
 	if (tl->now >= tl->running) {
-		/*如果now的值出现异常，则进行修正*/
+		/* now���������Ȓl�ɂȂ��Ă�����A�C������ */
 		tl->now = 0;
 	}
-	task->flags = 1; /* 休眠中 */
+	task->flags = 1; /* �X���[�v�� */
 
-	/* 移动 */
+	/* ���炵 */
 	for (; i < tl->running; i++) {
 		tl->tasks[i] = tl->tasks[i + 1];
 	}
+
 	return;
 }
 
 void task_switchsub(void)
 {
 	int i;
-	/*寻找最上层的LEVEL */
+	/* ��ԏ�̃��x����T�� */
 	for (i = 0; i < MAX_TASKLEVELS; i++) {
 		if (taskctl->level[i].running > 0) {
-			break; /*找到了*/
+			break; /* ���‚����� */
 		}
 	}
 	taskctl->now_lv = i;
@@ -77,7 +78,6 @@ struct TASK *task_init(struct MEMMAN *memman)
 	struct TASK *task, *idle;
 	struct SEGMENT_DESCRIPTOR *gdt = (struct SEGMENT_DESCRIPTOR *) ADR_GDT;
 
-
 	taskctl = (struct TASKCTL *) memman_alloc_4k(memman, sizeof (struct TASKCTL));
 	for (i = 0; i < MAX_TASKS; i++) {
 		taskctl->tasks0[i].flags = 0;
@@ -92,11 +92,11 @@ struct TASK *task_init(struct MEMMAN *memman)
 	}
 
 	task = task_alloc();
-	task->flags = 2; /*活动中标志*/
-	task->priority = 2; /* 0.02秒*/
-	task->level = 0; /*最高LEVEL */
+	task->flags = 2;	/* ���쒆�}�[�N */
+	task->priority = 2; /* 0.02�b */
+	task->level = 0;	/* �ō����x�� */
 	task_add(task);
-	task_switchsub(); /* LEVEL 设置*/
+	task_switchsub();	/* ���x���ݒ� */
 	load_tr(task->sel);
 	task_timer = timer_alloc();
 	timer_settime(task_timer, task->priority);
@@ -151,7 +151,8 @@ void task_run(struct TASK *task, int level, int priority)
 	if (priority > 0) {
 		task->priority = priority;
 	}
-	if (task->flags == 2 && task->level != level) { 
+
+	if (task->flags == 2 && task->level != level) {
 		/*改变活动中的LEVEL */
 		task_remove(task); /*这里执行之后flag的值会变为1，于是下面的if语句块也会被执行*/
 	}
@@ -160,6 +161,7 @@ void task_run(struct TASK *task, int level, int priority)
 		task->level = level;
 		task_add(task);
 	}
+
 	taskctl->lv_change = 1; /*下次任务切换时检查LEVEL */
 	return;
 }
@@ -181,7 +183,6 @@ void task_sleep(struct TASK *task)
 	return;
 }
 
-
 void task_switch(void)
 {
 	struct TASKLEVEL *tl = &taskctl->level[taskctl->now_lv];
diff --git a/30_day/haribote/tek.c b/30_day/haribote/tek.c
index 4062dcc..a765a64 100644
--- a/30_day/haribote/tek.c
+++ b/30_day/haribote/tek.c
@@ -231,7 +231,7 @@ static int tek_decode2(int siz, UCHAR *p, UCHAR *q)
 		if (dsiz > bsiz || (hed & 0x21) != 0x01)
 			return 1;
 		if (hed & 0x40)
-			tek_getnum_s7s(&p); 
+			tek_getnum_s7s(&p); /* �I�v�V�������ւ̃|�C���^��ǂݔ�΂� */
 		st = tek_lzrestore_stk2(p1 - p, p, dsiz, q);
 	}
 	return st;
@@ -278,7 +278,7 @@ static int tek_lzrestore_tek5(int srcsiz, UCHAR *src, int outsiz, UCHAR *outbuf)
 		lp = pb;
 		pb = wrksiz;
 	}
-	wrksiz = 0x180 * sizeof (UINT32) + (0x840 + (0x300 << (lc + lp))) * sizeof (tek_TPRB); /* Å’á15KB, lc+lp=3‚È‚çA36KB */
+	wrksiz = 0x180 * sizeof (UINT32) + (0x840 + (0x300 << (lc + lp))) * sizeof (tek_TPRB); /* �Œ�15KB, lc+lp=3�Ȃ�A36KB */
 	work = (int *) memman_alloc_4k((struct MEMMAN *) MEMMAN_ADDR, wrksiz);
 	if (work == NULL)
 		return -1;
@@ -457,7 +457,7 @@ static int tek_decmain5(int *work, UCHAR *src, int osiz, UCHAR *q, int lc, int p
 	for (i = sizeof (struct tek_STR_PRB) / sizeof (tek_TPRB) + (0x300 << (lc + lp)) - 2; i >= 0; i--)
 		((tek_TPRB *) prb)[i] = 1 << 15;
 	for (i = 0; i < 32; i++) {
-		rd->bm[i].lt = (i >= 4);
+		rd->bm[i].lt = (i >= 4); /* 0..3�͎����Ȃ� */
 		rd->bm[i].lt0 = (i < 24) ? 16 * 1024 : 8 * 1024;
 		rd->bm[i].s &= 0;
 		rd->bm[i].t = rd->bm[i].m = 5;
@@ -466,7 +466,7 @@ static int tek_decmain5(int *work, UCHAR *src, int osiz, UCHAR *q, int lc, int p
 	if (stk) {
 		rd->rmsk = -1 << 11;
 		for (i = 0; i < 32; i++)
-			rd->bm[i].lt = 0;
+			rd->bm[i].lt = 0; /* �S�Ď����Ȃ� */
 		for (i = 0; i < 14; i++)
 			rd->ptbm[i] = &rd->bm[0];
 	} else {
@@ -493,7 +493,7 @@ static int tek_decmain5(int *work, UCHAR *src, int osiz, UCHAR *q, int lc, int p
 		rd->bm[22].t = 0; rd->bm[22].m = 1;
 		prb->repg3 = 0xffff;
 		if (flags == -2) { /* z1 */
-			rd->bm[22].lt = 0;
+			rd->bm[22].lt = 0; /* repg3��lt��0�� */
 			for (i = 0; i < 14; i++)
 				pt[i] = pt1[i];
 		} else {