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type命令

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Yourtion
2016-04-28 14:29:19 +08:00
parent 61e0d9dc90
commit 99f265e6fb
1 changed files with 58 additions and 1 deletions
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59
19_day/bootpack.c
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@@ -384,7 +384,7 @@ void console_task(struct SHEET *sheet, unsigned int memtotal)
struct TIMER *timer;
struct TASK *task = task_now();
int i, fifobuf[128], cursor_x = 16, cursor_y = 28, cursor_c = -1;
char s[30], cmdline[30];
char s[30], cmdline[30], *p;
struct MEMMAN *memman = (struct MEMMAN *) MEMMAN_ADDR;
int x, y;
struct FILEINFO *finfo = (struct FILEINFO *) (ADR_DISKIMG + 0x002600);
@@ -480,6 +480,63 @@ void console_task(struct SHEET *sheet, unsigned int memtotal)
}
}
cursor_y = cons_newline(cursor_y, sheet);
} else if (cmdline[0] == 't' && cmdline[1] == 'y' && cmdline[2] == 'p' && cmdline[3] == 'e' && cmdline[4] == ' ') {
/* type命令*/
/*准备文件名*/
for (y = 0; y < 11; y++) {
s[y] = ' ';
}
y = 0;
for (x = 5; y < 11 && cmdline[x] != 0; x++) {
if (cmdline[x] == '.' && y <= 8) {
y = 8;
} else {
s[y] = cmdline[x];
if ('a' <= s[y] && s[y] <= 'z') {
/*将小写字母转换成大写字母 */
s[y] -= 0x20;
}
y++;
}
}
/*寻找文件*/
for (x = 0; x < 224; ) {
if (finfo[x].name[0] == 0x00) {
break;
}
if ((finfo[x].type & 0x18) == 0) {
for (y = 0; y < 11; y++) {
if (finfo[x].name[y] != s[y]) {
goto type_next_file;
}
}
break; /*找到文件*/
}
type_next_file:
x++;
}
if (x < 224 && finfo[x].name[0] != 0x00) {
/*找到文件的情况*/
y = finfo[x].size;
p = (char *) (finfo[x].clustno * 512 + 0x003e00 + ADR_DISKIMG);
cursor_x = 8;
for (x = 0; x < y; x++) {
/*逐字输出*/
s[0] = p[x];
s[1] = 0;
putfonts8_asc_sht(sheet, cursor_x, cursor_y, COL8_FFFFFF,COL8_000000, s, 1);
cursor_x += 8;
if (cursor_x == 8 + 240) { /*到达最右端后换行*/
cursor_x = 8;
cursor_y = cons_newline(cursor_y, sheet);
}
}
} else {
/*没有找到文件的情况*/
putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, "File not found.", 15);
cursor_y = cons_newline(cursor_y, sheet);
}
cursor_y = cons_newline(cursor_y, sheet);
} else if (cmdline[0] != 0) {
/*不是命令，也不是空行 */
putfonts8_asc_sht(sheet, 8, cursor_y, COL8_FFFFFF, COL8_000000, "Bad command.", 12);