diff --git a/.gitignore b/.gitignore
index 6755ae5..4f24396 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 *.swp
 .vim
+.exrc
 *.o
 kofu
 kofuse
diff --git a/kofu.c b/kofu.c
index 6c21bdf..2d6e4bb 100644
--- a/kofu.c
+++ b/kofu.c
@@ -1,6 +1,7 @@
 #include <stdio.h>
 #include <stdbool.h>
 #include <stdint.h>
+#include <inttypes.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <string.h>
@@ -37,25 +38,49 @@ char **split_args(char *s) {
     return argv;
 }
 
-void kofu_ls(char **arg) {
-    struct f70s1ret *dir = (struct f70s1ret*)malloc(sizeof(struct f70s1ret) + sizeof(struct bdfe) * DIRENTS_TO_READ);
-    struct f70s1arg f70 = {1, 0, CP866, DIRENTS_TO_READ, dir, 0, arg[1]};
+void ls_range(struct f70s1arg *f70) {
+    int status = kos_fuse_lfn(f70);
+//    printf("status = %d\n", status);
+    if (status == F70_SUCCESS || status == F70_END_OF_FILE) {
+        struct f70s1ret *dir = f70->buf;
+        for (size_t i = 0; i < dir->cnt; i++) {
+            printf("%s\n", dir->bdfes[i].name);
+        }
+    }
+}
+
+void ls_all(struct f70s1arg *f70) {
     while (true) {
-        int status = kos_fuse_lfn(&f70);
-        printf("status = %d\n", status);
-        if (status != 0 && status != 6) {
+        int status = kos_fuse_lfn(f70);
+//        printf("status = %d\n", status);
+        if (status != F70_SUCCESS && status != F70_END_OF_FILE) {
             abort();
         }
-        f70.offset += dir->cnt;
+        struct f70s1ret *dir = f70->buf;
+        f70->offset += dir->cnt;
 
         for (size_t i = 0; i < dir->cnt; i++) {
             printf("%s\n", dir->bdfes[i].name);
         }
 
-        if (status == 6) {
+        if (status == F70_END_OF_FILE) {
             break;
         }
     }
+}
+
+void kofu_ls(char **arg) {
+    struct f70s1ret *dir = (struct f70s1ret*)malloc(sizeof(struct f70s1ret) + sizeof(struct bdfe) * DIRENTS_TO_READ);
+    struct f70s1arg f70 = {1, 0, CP866, DIRENTS_TO_READ, dir, 0, arg[1]};
+    if (arg[2]) { 
+        sscanf(arg[2], "%"SCNu32, &f70.size);
+        if (arg[3]) {
+            sscanf(arg[3], "%"SCNu32, &f70.offset);
+        }
+        ls_range(&f70);
+    } else {
+        ls_all(&f70);
+    }
     free(dir);
     return;
 }
diff --git a/kofuse.c b/kofuse.c
index 2e4aaaa..a8a685d 100644
--- a/kofuse.c
+++ b/kofuse.c
@@ -52,7 +52,7 @@ static int kofuse_getattr(const char *path, struct stat *stbuf,
 static int kofuse_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
                          off_t offset, struct fuse_file_info *fi,
                          enum fuse_readdir_flags flags) {
-    (void) offset;
+    (void) offset;      // TODO
     (void) fi;
     (void) flags;
 
diff --git a/kolibri.asm b/kolibri.asm
index f85c4d8..f318763 100644
--- a/kolibri.asm
+++ b/kolibri.asm
@@ -44,10 +44,9 @@ kos_fuse_init:
         mov     [file_disk.Sectors], eax
         mov     [file_disk.Logical], 512
         stdcall disk_add, disk_functions, disk_name, file_disk, DISK_NO_INSERT_NOTIFICATION
-        mov     [disk], eax
-        stdcall disk_media_changed, [disk], 1
-
-        mov     eax, [disk]
+        push    eax
+        stdcall disk_media_changed, eax, 1
+        pop     eax
         mov     eax, [eax + DISK.NumPartitions]
 
         pop     ebp edi esi ebx
@@ -279,7 +278,6 @@ ide_channel8_mutex MUTEX
 
 section '.bss' writeable align 16
 file_disk FILE_DISK
-disk dd ?
 alloc_base      rb 8*1024*1024
 IncludeUGlobals
 ; crap
diff --git a/kolibri.h b/kolibri.h
index 94a76e9..a873dc8 100644
--- a/kolibri.h
+++ b/kolibri.h
@@ -10,6 +10,22 @@ enum encoding {
     UTF8,
 };
 
+enum f70status {
+    F70_SUCCESS,
+    F70_DISK_BASE,
+    F70_UNSUPPORTED_FS,
+    F70_UNKNOWN_FS,
+    F70_PARTITION,
+    F70_FILE_NOT_FOUND,
+    F70_END_OF_FILE,
+    F70_MEMORY_POINTER,
+    F70_DISK_FULL,
+    F70_FS_FAIL,
+    F70_ACCESS_DENIED,
+    F70_DEVICE,
+    F70_OUT_OF_MEMORY,
+};
+
 struct bdfe {
     uint32_t attr;
     uint32_t enc;
diff --git a/test/t_ls b/test/t_ls
index ba26ce4..380074c 100644
--- a/test/t_ls
+++ b/test/t_ls
@@ -1,4 +1,2 @@
-ls /hd0/1
 ls /hd0/1/
-ls /hd0/1/123
-ls /hd0/1/123/
+ls /hd0/1/shortform/