TR-DOS filesystem: Difference between revisions

TR-DOS filesystem (view source)

179 bytes removed , 12 December 2022

90

edits

@@ Line 235: / Line 235: @@
 |}
-====Character array====
+====CODE file====
-This is the directory entry for a character array of 10,5 and is of length 55 bytes. (See other articles on the encoding of arrays in saved files)
+This is the directory entry for a CODE file saved with Start 30000 and length 2000
 The Raw dirent is as follows:
-64 61 74  61 20 20 20  44 A7 5F 37  00 01 0A 01  cdata   D._7....
+6F 64 65  20 20 20 20  43 30 75 D0  07 08 02 01  code    C0u.....
 {| class=wikitable
@@ Line 251: / Line 251: @@
 | 0-7
 | 00-07
-| 63 64 61 74  61 20 20 20
+| 63 6F 64 65  20 20 20 20
-| "cdata   "
+| "code    "
 | Filename
 |-
 | 8
 | 08
-| 44
+| 43
-| "D" (Data)
+| "C" (Data)
 | File type
 |-
 | 9-10
 | 09-0A
-| A7 5F
+| 30 75
-| A7=10100111, Bit 5,6,7=101 marking a Character array. 5f value unused.
+| 0x7530=30000 bytes
-| Contains the marker for the array type, in this case, 101=Character array
+| Load address
 |-
 | 11-12
 | 0a-0b
-| 37 00
+| D0 07
-| 55 bytes long
+| 0x07D0 = 2000 bytes
 | Length of the file
 |-
 | 13
 | 0C
-| 01
+| 8
-| 1 sector long
+| 8 sectors long
 | Number of sectors the file uses
 |-
 | 14
 | 0D
-| 0A
+| 02
-| Start sector 10
+| Start sector 2
 | Sector the file starts from (Note, sectors number from 0 regardless of the actual disk layout)
 |-