1 files changed, 6 insertions, 6 deletions

diff --git a/memide.c b/memide.c
index d2c5bb7..2e09e33 100644
--- a/memide.c
+++ b/memide.c
@@ -20,7 +20,7 @@ void
 ideinit(void)
 {
   memdisk = _binary_fs_img_start;
-  disksize = (uint)_binary_fs_img_size/512;
+  disksize = (uint)_binary_fs_img_size/BSIZE;
 }
 
 // Interrupt handler.
@@ -44,15 +44,15 @@ iderw(struct buf *b)
     panic("iderw: nothing to do");
   if(b->dev != 1)
     panic("iderw: request not for disk 1");
-  if(b->sector >= disksize)
-    panic("iderw: sector out of range");
+  if(b->block >= disksize)
+    panic("iderw: block out of range");
 
-  p = memdisk + b->sector*512;
+  p = memdisk + b->block*BSIZE;
   
   if(b->flags & B_DIRTY){
     b->flags &= ~B_DIRTY;
-    memmove(p, b->data, 512);
+    memmove(p, b->data, BSIZE);
   } else
-    memmove(b->data, p, 512);
+    memmove(b->data, p, BSIZE);
   b->flags |= B_VALID;
 }