sys: kernel comments

2016-03-11 16:01:01 -05:00
parent df1d8e29dd
commit 802ab257b9
8 changed files with 260 additions and 233 deletions
@@ -151,12 +151,14 @@ iput: 0
   jmp iput i
 t = t+3

+	" allocate directory entry
+	" AC/ entry number
 dget: 0
-   dac di
-   alss 3
-   dac 9f+t
-   jms pget
-   dac 9f+t+1
+   dac di			" save entry number
+   alss 3			" get word number
+   dac 9f+t			" save in t0
+   jms pget			" get free disk block
+   dac 9f+t+1			" save in t1
   jms dskrd
   lac 9f+t
   and o77
@@ -185,7 +187,8 @@ dput: 0

 t = t+3

-	" allocate a block for a file, returns disk block number
+	" get a block number for a file, returns disk block number
+	" allocates block if not allocated
 	" AC/ file offset
 	"   jms pget
 	" AC/ disk block number