文件操作API

28_day/Makefile

@@ -20,7 +20,8 @@ haribote.img : haribote/ipl10.bin haribote/haribote.sys Makefile \
 		star1/star1.hrb stars/stars.hrb stars2/stars2.hrb \
 		lines/lines.hrb walk/walk.hrb noodle/noodle.hrb \
 		beepdown/beepdown.hrb color/color.hrb color2/color2.hrb \
-		sosu/sosu.hrb sosu2/sosu2.hrb sosu3/sosu3.hrb
+		sosu/sosu.hrb sosu2/sosu2.hrb sosu3/sosu3.hrb \
+		typeipl/typeipl.hrb
 	$(EDIMG)   imgin:../z_tools/fdimg0at.tek \
 		wbinimg src:haribote/ipl10.bin len:512 from:0 to:0 \
 		copy from:haribote/haribote.sys to:@: \
@@ -45,6 +46,7 @@ haribote.img : haribote/ipl10.bin haribote/haribote.sys Makefile \
 		copy from:sosu/sosu.hrb to:@: \
 		copy from:sosu2/sosu2.hrb to:@: \
 		copy from:sosu3/sosu3.hrb to:@: \
+		copy from:typeipl/typeipl.hrb to:@: \
 		imgout:haribote.img
 
 #命令
@@ -80,6 +82,7 @@ full :
 	$(MAKE) -C sosu
 	$(MAKE) -C sosu2
 	$(MAKE) -C sosu3
+	$(MAKE) -C typeipl
 	$(MAKE) haribote.img
 
 run_full :
@@ -124,6 +127,7 @@ clean_full :
 	$(MAKE) -C sosu			clean
 	$(MAKE) -C sosu2		clean
 	$(MAKE) -C sosu3		clean
+	$(MAKE) -C typeipl		clean
 
 src_only_full :
 	$(MAKE) -C haribote		src_only
@@ -147,6 +151,7 @@ src_only_full :
 	$(MAKE) -C sosu			src_only
 	$(MAKE) -C sosu2		src_only
 	$(MAKE) -C sosu3		src_only
+	$(MAKE) -C typeipl	src_only
 	-$(DEL) haribote.img
 
 refresh :

28_day/apilib.h

@@ -18,3 +18,8 @@ void api_inittimer(int timer, int data);
 void api_settimer(int timer, int time);
 void api_freetimer(int timer);
 void api_beep(int tone);
+int api_fopen(char *fname);
+void api_fclose(int fhandle);
+void api_fseek(int fhandle, int offset, int mode);
+int api_fsize(int fhandle, int mode);
+int api_fread(char *buf, int maxsize, int fhandle);

28_day/apilib/Makefile

@@ -1,8 +1,8 @@
 OBJS_API =	api001.obj api002.obj api003.obj api004.obj api005.obj api006.obj \
 			api007.obj api008.obj api009.obj api010.obj api011.obj api012.obj \
 			api013.obj api014.obj api015.obj api016.obj api017.obj api018.obj \
-			api019.obj api020.obj \
-			alloca.obj
+			api019.obj api020.obj api021.obj api022.obj api023.obj api024.obj \
+			api025.obj alloca.obj
 
 TOOLPATH = ../../z_tools/
 INCPATH  = ../../z_tools/haribote/

28_day/apilib/api021.nas

@@ -0,0 +1,16 @@
+[FORMAT "WCOFF"]
+[INSTRSET "i486p"]
+[BITS 32]
+[FILE "api021.nas"]
+
+		GLOBAL	_api_fopen
+
+[SECTION .text]
+
+_api_fopen:			; int api_fopen(char *fname);
+		PUSH	EBX
+		MOV		EDX,21
+		MOV		EBX,[ESP+8]			; fname
+		INT		0x40
+		POP		EBX
+		RET

28_day/apilib/api022.nas

@@ -0,0 +1,14 @@
+[FORMAT "WCOFF"]
+[INSTRSET "i486p"]
+[BITS 32]
+[FILE "api022.nas"]
+
+		GLOBAL	_api_fclose
+
+[SECTION .text]
+
+_api_fclose:		; void api_fclose(int fhandle);
+		MOV		EDX,22
+		MOV		EAX,[ESP+4]			; fhandle
+		INT		0x40
+		RET

28_day/apilib/api023.nas

@@ -0,0 +1,18 @@
+[FORMAT "WCOFF"]
+[INSTRSET "i486p"]
+[BITS 32]
+[FILE "api023.nas"]
+
+		GLOBAL	_api_fseek
+
+[SECTION .text]
+
+_api_fseek:			; void api_fseek(int fhandle, int offset, int mode);
+		PUSH	EBX
+		MOV		EDX,23
+		MOV		EAX,[ESP+8]			; fhandle
+		MOV		ECX,[ESP+16]		; mode
+		MOV		EBX,[ESP+12]		; offset
+		INT		0x40
+		POP		EBX
+		RET

28_day/apilib/api024.nas

@@ -0,0 +1,15 @@
+[FORMAT "WCOFF"]
+[INSTRSET "i486p"]
+[BITS 32]
+[FILE "api024.nas"]
+
+		GLOBAL	_api_fsize
+
+[SECTION .text]
+
+_api_fsize:			; int api_fsize(int fhandle, int mode);
+		MOV		EDX,24
+		MOV		EAX,[ESP+4]			; fhandle
+		MOV		ECX,[ESP+8]			; mode
+		INT		0x40
+		RET

28_day/apilib/api025.nas

@@ -0,0 +1,18 @@
+[FORMAT "WCOFF"]
+[INSTRSET "i486p"]
+[BITS 32]
+[FILE "api025.nas"]
+
+		GLOBAL	_api_fread
+
+[SECTION .text]
+
+_api_fread:			; int api_fread(char *buf, int maxsize, int fhandle);
+		PUSH	EBX
+		MOV		EDX,25
+		MOV		EAX,[ESP+16]		; fhandle
+		MOV		ECX,[ESP+12]		; maxsize
+		MOV		EBX,[ESP+8]			; buf
+		INT		0x40
+		POP		EBX
+		RET

28_day/haribote/bootpack.h

@@ -214,6 +214,8 @@ struct TASK {
 	struct SEGMENT_DESCRIPTOR ldt[2];
 	struct CONSOLE *cons;
 	int ds_base, cons_stack;
+	struct FILEHANDLE *fhandle;
+	int *fat;
 };
 struct TASKLEVEL {
 	int running; /*正在运行的任务数量*/
@@ -248,6 +250,11 @@ struct CONSOLE {
 	int cur_x, cur_y, cur_c;
 	struct TIMER *timer;
 };
+struct FILEHANDLE {
+	char *buf;
+	int size;
+	int pos;
+};
 void console_task(struct SHEET *sheet, int memtotal);
 void cons_putchar(struct CONSOLE *cons, int chr, char move);
 void cons_newline(struct CONSOLE *cons);

28_day/haribote/console.c

@@ -9,8 +9,10 @@ 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;
 	char cmdline[30];
+
 	cons.sht = sheet;
 	cons.cur_x =  8;
 	cons.cur_y = 28;
@@ -23,6 +25,11 @@ void console_task(struct SHEET *sheet, int memtotal)
 		timer_settime(cons.timer, 50);
 	}
 	file_readfat(fat, (unsigned char *) (ADR_DISKIMG + 0x000200));
+	for (i = 0; i < 8; i++) {
+		fhandle[i].buf = 0; /*未使用标记*/
+	}
+	task->fhandle = fhandle;
+	task->fat = fat;
 
 	/*显示提示符*/
 	cons_putchar(&cons, '>', 1);
@@ -387,6 +394,12 @@ int cmd_app(struct CONSOLE *cons, int *fat, char *cmdline)
 					sheet_free(sht); /*关闭*/
 				}
 			}
+			for (i = 0; i < 8; i++) { /*将未关闭的文件关闭*/ 
+				if (task->fhandle[i].buf != 0) {
+					memman_free_4k(memman, (int) task->fhandle[i].buf, task->fhandle[i].size);
+					task->fhandle[i].buf = 0;
+				}
+			}
 			timer_cancelall(&task->fifo);
 			memman_free_4k(memman, (int) q, segsiz);
 		} else {
@@ -413,6 +426,9 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 		/* 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;
+	struct FILEINFO *finfo;
+	struct FILEHANDLE *fh;
+	struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
 
 	if (edx == 1) {
 		cons_putchar(cons, eax & 0xff, 1);
@@ -528,6 +544,62 @@ int *hrb_api(int edi, int esi, int ebp, int esp, int ebx, int edx, int ecx, int
 			i = io_in8(0x61);
 			io_out8(0x61, (i | 0x03) & 0x0f);
 		}
+	} else if (edx == 21) {
+		for (i = 0; i < 8; i++) {
+			if (task->fhandle[i].buf == 0) {
+				break;
+			}
+		}
+		fh = &task->fhandle[i];
+		reg[7] = 0;
+		if (i < 8) {
+			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_loadfile(finfo->clustno, finfo->size, fh->buf, task->fat, (char *) (ADR_DISKIMG + 0x003e00));
+			}
+		}
+	} else if (edx == 22) {
+		fh = (struct FILEHANDLE *) eax;
+		memman_free_4k(memman, (int) fh->buf, fh->size);
+		fh->buf = 0;
+	} else if (edx == 23) {
+		fh = (struct FILEHANDLE *) eax;
+		if (ecx == 0) {
+			fh->pos = ebx;
+		} else if (ecx == 1) {
+			fh->pos += ebx;
+		} else if (ecx == 2) {
+			fh->pos = fh->size + ebx;
+		}
+		if (fh->pos < 0) {
+			fh->pos = 0;
+		}
+		if (fh->pos > fh->size) {
+			fh->pos = fh->size;
+		}
+	} else if (edx == 24) {
+		fh = (struct FILEHANDLE *) eax;
+		if (ecx == 0) {
+			reg[7] = fh->size;
+		} else if (ecx == 1) {
+			reg[7] = fh->pos;
+		} else if (ecx == 2) {
+			reg[7] = fh->pos - fh->size;
+		}
+	} else if (edx == 25) {
+		fh = (struct FILEHANDLE *) eax;
+		for (i = 0; i < ecx; i++) {
+			if (fh->pos == fh->size) {
+				break;
+			}
+			*((char *) ebx + ds_base + i) = fh->buf[fh->pos];
+			fh->pos++;
+		}
+		reg[7] = i;
 	}
 	return 0;
 }

28_day/typeipl/!cons_9x.bat

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

28_day/typeipl/!cons_nt.bat

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

28_day/typeipl/Makefile

@@ -0,0 +1,5 @@
+APP      = typeipl
+STACK    = 1k
+MALLOC   = 0k
+
+include ../app_make.txt

28_day/typeipl/make.bat

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

28_day/typeipl/typeipl.c

@@ -0,0 +1,17 @@
+#include "apilib.h"
+
+void HariMain(void)
+{
+	int fh;
+	char c;
+	fh = api_fopen("ipl10.nas");
+	if (fh != 0) {
+		for (;;) {
+			if (api_fread(&c, 1, fh) == 0) {
+				break;
+			}
+			api_putchar(c);
+		}
+	}
+	api_end();
+}