textfiles/apple/DOCUMENTATION/diskfixer

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===========
:DISKFIXER:
===========
KEY FUNCTION
R
READ A SECTOR (CURSOR FLASHES AT CURRENT TRACK SECTOR TO PROMPT NEW
ENTRY)
W
WRITE A SECTOR
^Q
QUIT
P
BOOT SLOT, P FOLLOWED BY ONE (OR WHATEVER SLOT PRINTER IS IN) WILL
DUMP TO PRINTER
^C
SWITCH BETWEEN LOGICAL AND PHYSICAL SECTOR SCANNING
C
SWITCH BETWEEN 3.2 AND 3.3 DOS
L
SELECT BYTE OF CURSOR POSITION
G
SELECT ASCII DISPLAY OF DATA ALL 256 BYTES
H
SELECT HEX DUMP OF DATA (256 BYTES)
B
SELECT HEX & ASCII DUMP (DEFAULT) SHOWS ONLY 128 BYTES
I
J K
M
CURSOR POSITIONING ^^^
D READ DIRECTORY AFTER THE 'D' YOU HAVE SEVERAL OPTIONS:
F -
FIX, FIX FILE SIZES, VERIFY T/S LISTS
G -
SCAN, ENTER A FILE NAME TO SCAN THE FILE BY RELATIVE SECTOR
ADDRESSES. FOR EXAMPLE SCAN HELLO, DISPLAYED ON
W -
WRITE NEW DIRECTORY (ELSE) DISPLAY DIRECTORY
V
DISPLAY VTOC - OPTIONS:
F - FIX, VERIFY BIT MAP BY CHECKING ALL T/S LISTS OF FILES
E -
EDIT USE M,<,> TO EDIT MAP (BE SURE TO WRITE OUT)
R -
READ
W -
WRITE
->
READ NEXT SECOTR
<-
READ PREVIOUS SECTOR
(RETURN)
ENTER EDIT MODE OF TRACK IN BUFFER. ENTER DATA ASCII OR HEX, DEPENDING
ON WHAT MODE YOU ARE IN
:
ENTER ONE CHARACTER OF DATA INTO BUFFER
Y
FILTER, FILTER OUT INVERSE AND CONTROL CHARACTERS FROM DISPLAY
T
TYPE, INVERSE, NORMAL,
FLASHING. LOOK AT THE POUND SIGN
AT THE BOTTOM OF THE SCRREN FOR
CURRRENT TYPE. USED FOR ENTERING
DATA TO BUFFER
0-7
BUFFER NUMBER
ON HEX DUMPS, CHARACTER IN INVERSE ARE THOSE THAT HAVE BEEN CHANGED,
IN OTHER WORDS IF "A0" IS IN INVERSE IT IS DIFFERENT FROM WHAT IT
STARTED
X
CHANGES BACK TO ORIGINAL BUFFER (STUFF IN INVERSE (MEANING THINGS THAT
HAVE BEEN CHANGED)) ARE BACK TO NORMAL
Z & Q
ARE SHIFTING EACH BYTE IN BUFFER RIGHT OR LEFT, I.E: BYTE ONE BECOMES
BYTE ZERO WITH SHIFT LEFT
?
DISPLAYS ASCII SET FOR REFERENCE
N
ALTERS MARKINGS ON SIDE BETWEEN HEX AND DECIMAL