增加字体，使用hankaku

04_day/bootpack.c

@@ -1,15 +1,111 @@
 void io_hlt(void);
-void write_mem8(int addr, int data);
+void io_cli(void);
+void io_out8(int port, int data);
+int io_load_eflags(void);
+void io_store_eflags(int eflags);
+
+void init_palette(void);
+void set_palette(int start, int end, unsigned char *rgb);
+void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0, int x1, int y1);
+
+#define COL8_000000		0
+#define COL8_FF0000		1
+#define COL8_00FF00		2
+#define COL8_FFFF00		3
+#define COL8_0000FF		4
+#define COL8_FF00FF		5
+#define COL8_00FFFF		6
+#define COL8_FFFFFF		7
+#define COL8_C6C6C6		8
+#define COL8_840000		9
+#define COL8_008400		10
+#define COL8_848400		11
+#define COL8_000084		12
+#define COL8_840084		13
+#define COL8_008484		14
+#define COL8_848484		15
 
 void HariMain(void)
 {
-	int i; /* 声明变量，i是32位整数 */
+	char *vram;/* 声明变量vram、用于BYTE [...]地址 */
+	int xsize, ysize;
 
-	for (i = 0xa0000; i <= 0xaffff; i++) {
-		write_mem8(i, i & 0x0f);
-	}
+	init_palette();/* 设定调色板 */
+	vram = (char *) 0xa0000;/* 地址变量赋值 */
+	xsize = 320;
+	ysize = 200;
+
+	/* 根据 0xa0000 + x + y * 320 计算坐标 8*/
+	boxfill8(vram, xsize, COL8_008484,  0,         0,          xsize -  1, ysize - 29);
+	boxfill8(vram, xsize, COL8_C6C6C6,  0,         ysize - 28, xsize -  1, ysize - 28);
+	boxfill8(vram, xsize, COL8_FFFFFF,  0,         ysize - 27, xsize -  1, ysize - 27);
+	boxfill8(vram, xsize, COL8_C6C6C6,  0,         ysize - 26, xsize -  1, ysize -  1);
+
+	boxfill8(vram, xsize, COL8_FFFFFF,  3,         ysize - 24, 59,         ysize - 24);
+	boxfill8(vram, xsize, COL8_FFFFFF,  2,         ysize - 24,  2,         ysize -  4);
+	boxfill8(vram, xsize, COL8_848484,  3,         ysize -  4, 59,         ysize -  4);
+	boxfill8(vram, xsize, COL8_848484, 59,         ysize - 23, 59,         ysize -  5);
+	boxfill8(vram, xsize, COL8_000000,  2,         ysize -  3, 59,         ysize -  3);
+	boxfill8(vram, xsize, COL8_000000, 60,         ysize - 24, 60,         ysize -  3);
+
+	boxfill8(vram, xsize, COL8_848484, xsize - 47, ysize - 24, xsize -  4, ysize - 24);
+	boxfill8(vram, xsize, COL8_848484, xsize - 47, ysize - 23, xsize - 47, ysize -  4);
+	boxfill8(vram, xsize, COL8_FFFFFF, xsize - 47, ysize -  3, xsize -  4, ysize -  3);
+	boxfill8(vram, xsize, COL8_FFFFFF, xsize -  3, ysize - 24, xsize -  3, ysize -  3);
 
 	for (;;) {
 		io_hlt();
 	}
 }
+
+void init_palette(void)
+{
+	static unsigned char table_rgb[16 * 3] = {
+		0x00, 0x00, 0x00,	/*  0:黑 */
+		0xff, 0x00, 0x00,	/*  1:梁红 */
+		0x00, 0xff, 0x00,	/*  2:亮绿 */
+		0xff, 0xff, 0x00,	/*  3:亮黄 */
+		0x00, 0x00, 0xff,	/*  4:亮蓝 */
+		0xff, 0x00, 0xff,	/*  5:亮紫 */
+		0x00, 0xff, 0xff,	/*  6:浅亮蓝 */
+		0xff, 0xff, 0xff,	/*  7:白 */
+		0xc6, 0xc6, 0xc6,	/*  8:亮灰 */
+		0x84, 0x00, 0x00,	/*  9:暗红 */
+		0x00, 0x84, 0x00,	/* 10:暗绿 */
+		0x84, 0x84, 0x00,	/* 11:暗黄 */
+		0x00, 0x00, 0x84,	/* 12:暗青 */
+		0x84, 0x00, 0x84,	/* 13:暗紫 */
+		0x00, 0x84, 0x84,	/* 14:浅暗蓝 */
+		0x84, 0x84, 0x84	/* 15:暗灰 */
+	};
+	set_palette(0, 15, table_rgb);
+	return;
+
+	/* C语言中的static char语句只能用于数据，相当于汇编中的DB指令 */
+}
+
+void set_palette(int start, int end, unsigned char *rgb)
+{
+	int i, eflags;
+	eflags = io_load_eflags();	/* 记录中断许可标志的值 */
+	io_cli(); 					/* 将中断许可标志置为0,禁止中断 */
+	io_out8(0x03c8, start);
+	for (i = start; i <= end; i++) {
+		io_out8(0x03c9, rgb[0] / 4);
+		io_out8(0x03c9, rgb[1] / 4);
+		io_out8(0x03c9, rgb[2] / 4);
+		rgb += 3;
+	}
+	io_store_eflags(eflags);	/* 复原中断许可标志 */
+	return;
+}
+
+void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0, int x1, int y1)
+{
+	int x, y;
+	for (y = y0; y <= y1; y++) {
+		for (x = x0; x <= x1; x++)
+			vram[y * xsize + x] = c;
+	}
+	return;
+}

04_day/naskfunc.nas

@@ -2,11 +2,14 @@
 ; TAB=4
 
 [FORMAT "WCOFF"]				; 制作目标文件的模式	
-[INSTRSET "i486p"]				; 制定使用486编译
+[INSTRSET "i486p"]				; 使用到486为止的指令
 [BITS 32]						; 3制作32位模式用的机器语言
 [FILE "naskfunc.nas"]			; 文件名
 
-		GLOBAL	_io_hlt,_write_mem8
+		GLOBAL	_io_hlt, _io_cli, _io_sti, _io_stihlt
+		GLOBAL	_io_in8,  _io_in16,  _io_in32
+		GLOBAL	_io_out8, _io_out16, _io_out32
+		GLOBAL	_io_load_eflags, _io_store_eflags
 
 [SECTION .text]
 
@@ -14,8 +17,61 @@ _io_hlt:	; void io_hlt(void);
 		HLT
 		RET
 
-_write_mem8:	; void write_mem8(int addr, int data);
-		MOV		ECX,[ESP+4]		; [ESP+4]中存放的是地址，将其读入ECX
-		MOV		AL,[ESP+8]		; [ESP+8]中存放的是数据，将其读入AL
-		MOV		[ECX],AL
+_io_cli:	; void io_cli(void);
+		CLI
+		RET
+
+_io_sti:	; void io_sti(void);
+		STI
+		RET
+
+_io_stihlt:	; void io_stihlt(void);
+		STI
+		HLT
+		RET
+
+_io_in8:	; int io_in8(int port);
+		MOV		EDX,[ESP+4]		; port
+		MOV		EAX,0
+		IN		AL,DX
+		RET
+
+_io_in16:	; int io_in16(int port);
+		MOV		EDX,[ESP+4]		; port
+		MOV		EAX,0
+		IN		AX,DX
+		RET
+
+_io_in32:	; int io_in32(int port);
+		MOV		EDX,[ESP+4]		; port
+		IN		EAX,DX
+		RET
+
+_io_out8:	; void io_out8(int port, int data);
+		MOV		EDX,[ESP+4]		; port
+		MOV		AL,[ESP+8]		; data
+		OUT		DX,AL
+		RET
+
+_io_out16:	; void io_out16(int port, int data);
+		MOV		EDX,[ESP+4]		; port
+		MOV		EAX,[ESP+8]		; data
+		OUT		DX,AX
+		RET
+
+_io_out32:	; void io_out32(int port, int data);
+		MOV		EDX,[ESP+4]		; port
+		MOV		EAX,[ESP+8]		; data
+		OUT		DX,EAX
+		RET
+
+_io_load_eflags:	; int io_load_eflags(void);
+		PUSHFD		; PUSH EFLAGS 
+		POP		EAX
+		RET
+
+_io_store_eflags:	; void io_store_eflags(int eflags);
+		MOV		EAX,[ESP+4]
+		PUSH	EAX
+		POPFD		; POP EFLAGS 
 		RET

05_day/!cons_9x.bat

@@ -0,0 +1 @@
+command

05_day/!cons_nt.bat

@@ -0,0 +1 @@
+cmd.exe

05_day/Makefile

@@ -0,0 +1,93 @@
+TOOLPATH = ../z_tools/
+INCPATH  = ../z_tools/haribote/
+
+MAKE     = $(TOOLPATH)make.exe -r
+NASK     = $(TOOLPATH)nask.exe
+CC1      = $(TOOLPATH)cc1.exe -I$(INCPATH) -Os -Wall -quiet
+GAS2NASK = $(TOOLPATH)gas2nask.exe -a
+OBJ2BIM  = $(TOOLPATH)obj2bim.exe
+MAKEFONT = $(TOOLPATH)makefont.exe
+BIN2OBJ  = $(TOOLPATH)bin2obj.exe
+BIM2HRB  = $(TOOLPATH)bim2hrb.exe
+RULEFILE = $(TOOLPATH)haribote/haribote.rul
+EDIMG    = $(TOOLPATH)edimg.exe
+IMGTOL   = $(TOOLPATH)imgtol.com
+COPY     = copy
+DEL      = del
+
+# 默认动作
+
+default :
+	$(MAKE) img
+
+# 镜像文件生成
+
+ipl10.bin : ipl10.nas Makefile
+	$(NASK) ipl10.nas ipl10.bin ipl10.lst
+
+asmhead.bin : asmhead.nas Makefile
+	$(NASK) asmhead.nas asmhead.bin asmhead.lst
+
+bootpack.gas : bootpack.c Makefile
+	$(CC1) -o bootpack.gas bootpack.c
+
+bootpack.nas : bootpack.gas Makefile
+	$(GAS2NASK) bootpack.gas bootpack.nas
+
+bootpack.obj : bootpack.nas Makefile
+	$(NASK) bootpack.nas bootpack.obj bootpack.lst
+
+naskfunc.obj : naskfunc.nas Makefile
+	$(NASK) naskfunc.nas naskfunc.obj naskfunc.lst
+
+hankaku.bin : hankaku.txt Makefile
+	$(MAKEFONT) hankaku.txt hankaku.bin
+
+hankaku.obj : hankaku.bin Makefile
+	$(BIN2OBJ) hankaku.bin hankaku.obj _hankaku
+
+bootpack.bim : bootpack.obj naskfunc.obj hankaku.obj Makefile
+	$(OBJ2BIM) @$(RULEFILE) out:bootpack.bim stack:3136k map:bootpack.map \
+		bootpack.obj naskfunc.obj hankaku.obj
+# 3MB+64KB=3136KB
+
+bootpack.hrb : bootpack.bim Makefile
+	$(BIM2HRB) bootpack.bim bootpack.hrb 0
+
+haribote.sys : asmhead.bin bootpack.hrb Makefile
+	copy /B asmhead.bin+bootpack.hrb haribote.sys
+
+haribote.img : ipl10.bin haribote.sys Makefile
+	$(EDIMG)   imgin:../z_tools/fdimg0at.tek \
+		wbinimg src:ipl10.bin len:512 from:0 to:0 \
+		copy from:haribote.sys to:@: \
+		imgout:haribote.img
+
+# 其他指令
+
+img :
+	$(MAKE) haribote.img
+
+run :
+	$(MAKE) img
+	$(COPY) haribote.img ..\z_tools\qemu\fdimage0.bin
+	$(MAKE) -C ../z_tools/qemu
+
+install :
+	$(MAKE) img
+	$(IMGTOL) w a: haribote.img
+
+clean :
+	-$(DEL) *.bin
+	-$(DEL) *.lst
+	-$(DEL) *.gas
+	-$(DEL) *.obj
+	-$(DEL) bootpack.nas
+	-$(DEL) bootpack.map
+	-$(DEL) bootpack.bim
+	-$(DEL) bootpack.hrb
+	-$(DEL) haribote.sys
+
+src_only :
+	$(MAKE) clean
+	-$(DEL) haribote.img

05_day/asmhead.nas

@@ -0,0 +1,146 @@
+; haribote-os boot asm
+; TAB=4
+
+BOTPAK	EQU		0x00280000		; 加载bootpack
+DSKCAC	EQU		0x00100000		; 磁盘缓存的位置
+DSKCAC0	EQU		0x00008000		; 磁盘缓存的位置（实模式）
+
+; BOOT_INFO相关
+CYLS	EQU		0x0ff0			; 引导扇区设置
+LEDS	EQU		0x0ff1
+VMODE	EQU		0x0ff2			; 关于颜色的信息
+SCRNX	EQU		0x0ff4			; 分辨率X
+SCRNY	EQU		0x0ff6			; 分辨率Y
+VRAM	EQU		0x0ff8			; 图像缓冲区的起始地址
+
+		ORG		0xc200			;  这个的程序要被装载的内存地址
+
+; 画面モードを設定
+
+		MOV		AL,0x13			; VGA显卡，320x200x8bit
+		MOV		AH,0x00
+		INT		0x10
+		MOV		BYTE [VMODE],8	; 屏幕的模式（参考C语言的引用）
+		MOV		WORD [SCRNX],320
+		MOV		WORD [SCRNY],200
+		MOV		DWORD [VRAM],0x000a0000
+
+; 通过BIOS获取指示灯状态
+
+		MOV		AH,0x02
+		INT		0x16 			; keyboard BIOS
+		MOV		[LEDS],AL
+
+; 防止PIC接受所有中断
+;	AT兼容机的规范、PIC初始化
+;	然后之前在CLI不做任何事就挂起
+;	PIC在同意后初始化
+
+		MOV		AL,0xff
+		OUT		0x21,AL
+		NOP						; 不断执行OUT指令
+		OUT		0xa1,AL
+
+		CLI						; 进一步中断CPU
+
+; 让CPU支持1M以上内存、设置A20GATE
+
+		CALL	waitkbdout
+		MOV		AL,0xd1
+		OUT		0x64,AL
+		CALL	waitkbdout
+		MOV		AL,0xdf			; enable A20
+		OUT		0x60,AL
+		CALL	waitkbdout
+
+; 保护模式转换
+
+[INSTRSET "i486p"]				; 说明使用486指令
+
+		LGDT	[GDTR0]			; 设置临时GDT
+		MOV		EAX,CR0
+		AND		EAX,0x7fffffff	; 使用bit31（禁用分页）
+		OR		EAX,0x00000001	; bit0到1转换（保护模式过渡）
+		MOV		CR0,EAX
+		JMP		pipelineflush
+pipelineflush:
+		MOV		AX,1*8			;  写32bit的段
+		MOV		DS,AX
+		MOV		ES,AX
+		MOV		FS,AX
+		MOV		GS,AX
+		MOV		SS,AX
+
+; bootpack传递
+
+		MOV		ESI,bootpack	; 源
+		MOV		EDI,BOTPAK		; 目标
+		MOV		ECX,512*1024/4
+		CALL	memcpy
+
+; 传输磁盘数据
+
+; 从引导区开始
+
+		MOV		ESI,0x7c00		; 源
+		MOV		EDI,DSKCAC		; 目标
+		MOV		ECX,512/4
+		CALL	memcpy
+
+; 剩余的全部
+
+		MOV		ESI,DSKCAC0+512	; 源
+		MOV		EDI,DSKCAC+512	; 目标
+		MOV		ECX,0
+		MOV		CL,BYTE [CYLS]
+		IMUL	ECX,512*18*2/4	; 除以4得到字节数
+		SUB		ECX,512/4		; IPL偏移量
+		CALL	memcpy
+
+; 由于还需要asmhead才能完成
+; 完成其余的bootpack任务
+
+; bootpack启动
+
+		MOV		EBX,BOTPAK
+		MOV		ECX,[EBX+16]
+		ADD		ECX,3			; ECX += 3;
+		SHR		ECX,2			; ECX /= 4;
+		JZ		skip			; 传输完成
+		MOV		ESI,[EBX+20]	; 源
+		ADD		ESI,EBX
+		MOV		EDI,[EBX+12]	; 目标
+		CALL	memcpy
+skip:
+		MOV		ESP,[EBX+12]	; 堆栈的初始化
+		JMP		DWORD 2*8:0x0000001b
+
+waitkbdout:
+		IN		 AL,0x64
+		AND		 AL,0x02
+		JNZ		waitkbdout		; AND结果不为0跳转到waitkbdout
+		RET
+
+memcpy:
+		MOV		EAX,[ESI]
+		ADD		ESI,4
+		MOV		[EDI],EAX
+		ADD		EDI,4
+		SUB		ECX,1
+		JNZ		memcpy			; 运算结果不为0跳转到memcpy
+		RET
+; memcpy地址前缀大小
+
+		ALIGNB	16
+GDT0:
+		RESB	8				; 初始值
+		DW		0xffff,0x0000,0x9200,0x00cf	; 写32bit位段寄存器
+		DW		0xffff,0x0000,0x9a28,0x0047	; 可执行的文件的32bit寄存器（bootpack用）
+
+		DW		0
+GDTR0:
+		DW		8*3-1
+		DD		GDT0
+
+		ALIGNB	16
+bootpack:

05_day/bootpack.c

@@ -0,0 +1,145 @@
+void io_hlt(void);
+void io_cli(void);
+void io_out8(int port, int data);
+int io_load_eflags(void);
+void io_store_eflags(int eflags);
+
+void init_palette(void);
+void set_palette(int start, int end, unsigned char *rgb);
+void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0, int x1, int y1);
+void init_screen(char *vram, int x, int y);
+void putfont8(char *vram, int xsize, int x, int y, char c, char *font);
+
+#define COL8_000000		0
+#define COL8_FF0000		1
+#define COL8_00FF00		2
+#define COL8_FFFF00		3
+#define COL8_0000FF		4
+#define COL8_FF00FF		5
+#define COL8_00FFFF		6
+#define COL8_FFFFFF		7
+#define COL8_C6C6C6		8
+#define COL8_840000		9
+#define COL8_008400		10
+#define COL8_848400		11
+#define COL8_000084		12
+#define COL8_840084		13
+#define COL8_008484		14
+#define COL8_848484		15
+
+struct BOOTINFO {
+	char cyls, leds, vmode, reserve;
+	short scrnx, scrny;
+	char *vram;
+};
+
+void HariMain(void)
+{
+	struct BOOTINFO *binfo = (struct BOOTINFO *) 0x0ff0;
+	extern char hankaku[4096];
+
+	init_palette();
+	init_screen(binfo->vram, binfo->scrnx, binfo->scrny);
+	putfont8(binfo->vram, binfo->scrnx,  8, 8, COL8_FFFFFF, hankaku + 'A' * 16);
+	putfont8(binfo->vram, binfo->scrnx, 16, 8, COL8_FFFFFF, hankaku + 'B' * 16);
+	putfont8(binfo->vram, binfo->scrnx, 24, 8, COL8_FFFFFF, hankaku + 'C' * 16);
+	putfont8(binfo->vram, binfo->scrnx, 40, 8, COL8_FFFFFF, hankaku + '1' * 16);
+	putfont8(binfo->vram, binfo->scrnx, 48, 8, COL8_FFFFFF, hankaku + '2' * 16);
+	putfont8(binfo->vram, binfo->scrnx, 56, 8, COL8_FFFFFF, hankaku + '3' * 16);
+
+	for (;;) {
+		io_hlt();
+	}
+}
+
+void init_palette(void)
+{
+	static unsigned char table_rgb[16 * 3] = {
+		0x00, 0x00, 0x00,	/*  0:黑 */
+		0xff, 0x00, 0x00,	/*  1:梁红 */
+		0x00, 0xff, 0x00,	/*  2:亮绿 */
+		0xff, 0xff, 0x00,	/*  3:亮黄 */
+		0x00, 0x00, 0xff,	/*  4:亮蓝 */
+		0xff, 0x00, 0xff,	/*  5:亮紫 */
+		0x00, 0xff, 0xff,	/*  6:浅亮蓝 */
+		0xff, 0xff, 0xff,	/*  7:白 */
+		0xc6, 0xc6, 0xc6,	/*  8:亮灰 */
+		0x84, 0x00, 0x00,	/*  9:暗红 */
+		0x00, 0x84, 0x00,	/* 10:暗绿 */
+		0x84, 0x84, 0x00,	/* 11:暗黄 */
+		0x00, 0x00, 0x84,	/* 12:暗青 */
+		0x84, 0x00, 0x84,	/* 13:暗紫 */
+		0x00, 0x84, 0x84,	/* 14:浅暗蓝 */
+		0x84, 0x84, 0x84	/* 15:暗灰 */
+	};
+	set_palette(0, 15, table_rgb);
+	return;
+
+	/* C语言中的static char语句只能用于数据，相当于汇编中的DB指令 */
+}
+
+void set_palette(int start, int end, unsigned char *rgb)
+{
+	int i, eflags;
+	eflags = io_load_eflags();	/* 记录中断许可标志的值 */
+	io_cli(); 					/* 将中断许可标志置为0,禁止中断 */
+	io_out8(0x03c8, start);
+	for (i = start; i <= end; i++) {
+		io_out8(0x03c9, rgb[0] / 4);
+		io_out8(0x03c9, rgb[1] / 4);
+		io_out8(0x03c9, rgb[2] / 4);
+		rgb += 3;
+	}
+	io_store_eflags(eflags);	/* 复原中断许可标志 */
+	return;
+}
+
+void boxfill8(unsigned char *vram, int xsize, unsigned char c, int x0, int y0, int x1, int y1)
+{
+	int x, y;
+	for (y = y0; y <= y1; y++) {
+		for (x = x0; x <= x1; x++)
+			vram[y * xsize + x] = c;
+	}
+	return;
+}
+
+void init_screen(char *vram, int x, int y)
+{
+	boxfill8(vram, x, COL8_008484,  0,     0,      x -  1, y - 29);
+	boxfill8(vram, x, COL8_C6C6C6,  0,     y - 28, x -  1, y - 28);
+	boxfill8(vram, x, COL8_FFFFFF,  0,     y - 27, x -  1, y - 27);
+	boxfill8(vram, x, COL8_C6C6C6,  0,     y - 26, x -  1, y -  1);
+
+	boxfill8(vram, x, COL8_FFFFFF,  3,     y - 24, 59,     y - 24);
+	boxfill8(vram, x, COL8_FFFFFF,  2,     y - 24,  2,     y -  4);
+	boxfill8(vram, x, COL8_848484,  3,     y -  4, 59,     y -  4);
+	boxfill8(vram, x, COL8_848484, 59,     y - 23, 59,     y -  5);
+	boxfill8(vram, x, COL8_000000,  2,     y -  3, 59,     y -  3);
+	boxfill8(vram, x, COL8_000000, 60,     y - 24, 60,     y -  3);
+
+	boxfill8(vram, x, COL8_848484, x - 47, y - 24, x -  4, y - 24);
+	boxfill8(vram, x, COL8_848484, x - 47, y - 23, x - 47, y -  4);
+	boxfill8(vram, x, COL8_FFFFFF, x - 47, y -  3, x -  4, y -  3);
+	boxfill8(vram, x, COL8_FFFFFF, x -  3, y - 24, x -  3, y -  3);
+	return;
+}
+
+void putfont8(char *vram, int xsize, int x, int y, char c, char *font)
+{
+	int i;
+	char *p, d /* data */;
+	for (i = 0; i < 16; i++) {
+		p = vram + (y + i) * xsize + x;
+		d = font[i];
+		if ((d & 0x80) != 0) { p[0] = c; }
+		if ((d & 0x40) != 0) { p[1] = c; }
+		if ((d & 0x20) != 0) { p[2] = c; }
+		if ((d & 0x10) != 0) { p[3] = c; }
+		if ((d & 0x08) != 0) { p[4] = c; }
+		if ((d & 0x04) != 0) { p[5] = c; }
+		if ((d & 0x02) != 0) { p[6] = c; }
+		if ((d & 0x01) != 0) { p[7] = c; }
+	}
+	return;
+}

05_day/ipl10.nas

@@ -0,0 +1,109 @@
+; haribote-ipl
+; TAB=4
+
+CYLS	EQU		10				; 声明CYLS=10
+
+		ORG		0x7c00			; 指明程序装载地址
+
+; 标准FAT12格式软盘专用的代码 Stand FAT12 format floppy code
+
+		JMP		entry
+		DB		0x90
+		DB		"HARIBOTE"		; 启动扇区名称（8字节）
+		DW		512				; 每个扇区（sector）大小（必须512字节）
+		DB		1				; 簇（cluster）大小（必须为1个扇区）
+		DW		1				; FAT起始位置（一般为第一个扇区）
+		DB		2				; FAT个数（必须为2）
+		DW		224				; 根目录大小（一般为224项）
+		DW		2880			; 该磁盘大小（必须为2880扇区1440*1024/512）
+		DB		0xf0			; 磁盘类型（必须为0xf0）
+		DW		9				; FAT的长度（必??9扇区）
+		DW		18				; 一个磁道（track）有几个扇区（必须为18）
+		DW		2				; 磁头数（必??2）
+		DD		0				; 不使用分区，必须是0
+		DD		2880			; 重写一次磁盘大小
+		DB		0,0,0x29		; 意义不明（固定）
+		DD		0xffffffff		; （可能是）卷标号码
+		DB		"HARIBOTEOS "	; 磁盘的名称（必须为11字?，不足填空格）
+		DB		"FAT12   "		; 磁盘格式名称（必??8字?，不足填空格）
+		RESB	18				; 先空出18字节
+
+; 程序主体
+
+entry:
+		MOV		AX,0			; 初始化寄存器
+		MOV		SS,AX
+		MOV		SP,0x7c00
+		MOV		DS,AX
+
+; 读取磁盘
+
+		MOV		AX,0x0820
+		MOV		ES,AX
+		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
+		MOV		BX,0
+		MOV		DL,0x00			; A驱动器
+		INT		0x13			; 调用磁盘BIOS
+		JNC		next			; 没出错则跳转到fin
+		ADD		SI,1			; 往SI加1
+		CMP		SI,5			; 比较SI与5
+		JAE		error			; SI >= 5 跳转到error
+		MOV		AH,0x00
+		MOV		DL,0x00			; A驱动器
+		INT		0x13			; 重置驱动器
+		JMP		retry
+next:
+		MOV		AX,ES			; 把内存地址后移0x200（512/16十六进制转换）
+		ADD		AX,0x0020
+		MOV		ES,AX			; ADD ES,0x020因为没有ADD ES，只能通过AX进行
+		ADD		CL,1			; 往CL里面加1
+		CMP		CL,18			; 比较CL与18
+		JBE		readloop		; CL <= 18 跳转到readloop
+		MOV		CL,1
+		ADD		DH,1
+		CMP		DH,2
+		JB		readloop		; DH < 2 跳转到readloop
+		MOV		DH,0
+		ADD		CH,1
+		CMP		CH,CYLS
+		JB		readloop		; CH < CYLS 跳转到readloop
+
+; 读取完毕，跳转到haribote.sys执行！
+		MOV		[0x0ff0],CH		; IPLがどこまで読んだのかをメモ
+		JMP		0xc200
+
+error:
+		MOV		SI,msg
+
+putloop:
+		MOV		AL,[SI]
+		ADD		SI,1			; 给SI加1
+		CMP		AL,0
+		JE		fin
+		MOV		AH,0x0e			; 显示一个文字
+		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
+
+msg:
+		DB		0x0a, 0x0a		; 换行两次
+		DB		"load error"
+		DB		0x0a			; 换行
+		DB		0
+
+		RESB	0x7dfe-$		; 填写0x00直到0x001fe
+
+		DB		0x55, 0xaa

05_day/make.bat

@@ -0,0 +1 @@
+..\z_tools\make.exe %1 %2 %3 %4 %5 %6 %7 %8 %9

05_day/naskfunc.nas

@@ -0,0 +1,77 @@
+; naskfunc
+; TAB=4
+
+[FORMAT "WCOFF"]				; 制作目标文件的模式	
+[INSTRSET "i486p"]				; 使用到486为止的指令
+[BITS 32]						; 3制作32位模式用的机器语言
+[FILE "naskfunc.nas"]			; 文件名
+
+		GLOBAL	_io_hlt, _io_cli, _io_sti, _io_stihlt
+		GLOBAL	_io_in8,  _io_in16,  _io_in32
+		GLOBAL	_io_out8, _io_out16, _io_out32
+		GLOBAL	_io_load_eflags, _io_store_eflags
+
+[SECTION .text]
+
+_io_hlt:	; void io_hlt(void);
+		HLT
+		RET
+
+_io_cli:	; void io_cli(void);
+		CLI
+		RET
+
+_io_sti:	; void io_sti(void);
+		STI
+		RET
+
+_io_stihlt:	; void io_stihlt(void);
+		STI
+		HLT
+		RET
+
+_io_in8:	; int io_in8(int port);
+		MOV		EDX,[ESP+4]		; port
+		MOV		EAX,0
+		IN		AL,DX
+		RET
+
+_io_in16:	; int io_in16(int port);
+		MOV		EDX,[ESP+4]		; port
+		MOV		EAX,0
+		IN		AX,DX
+		RET
+
+_io_in32:	; int io_in32(int port);
+		MOV		EDX,[ESP+4]		; port
+		IN		EAX,DX
+		RET
+
+_io_out8:	; void io_out8(int port, int data);
+		MOV		EDX,[ESP+4]		; port
+		MOV		AL,[ESP+8]		; data
+		OUT		DX,AL
+		RET
+
+_io_out16:	; void io_out16(int port, int data);
+		MOV		EDX,[ESP+4]		; port
+		MOV		EAX,[ESP+8]		; data
+		OUT		DX,AX
+		RET
+
+_io_out32:	; void io_out32(int port, int data);
+		MOV		EDX,[ESP+4]		; port
+		MOV		EAX,[ESP+8]		; data
+		OUT		DX,EAX
+		RET
+
+_io_load_eflags:	; int io_load_eflags(void);
+		PUSHFD		; PUSH EFLAGS 
+		POP		EAX
+		RET
+
+_io_store_eflags:	; void io_store_eflags(int eflags);
+		MOV		EAX,[ESP+4]
+		PUSH	EAX
+		POPFD		; POP EFLAGS 
+		RET