00000000: C9 4E 46 4F 52 4D 41 54 49 4F 4E 20 41 42 4F 55 |.NFORMATION ABOU|
00000010: 54 20 44 49 53 4B 2D 44 4F 43 54 4F 52 0D 0D C4 |T DISK-DOCTOR...|
00000020: 49 53 4B 20 44 4F 43 54 4F 52 20 49 53 20 41 20 |ISK DOCTOR IS A |
00000030: 50 52 4F 47 52 41 4D 20 54 4F 20 48 45 4C 50 20 |PROGRAM TO HELP |
00000040: 59 4F 55 20 43 4F 4E 56 45 4E 49 45 4E 54 4C 59 |YOU CONVENIENTLY|
00000050: 20 4D 4F 44 49 46 59 0D 49 4E 44 49 56 49 44 55 | MODIFY.INDIVIDU|
00000060: 41 4C 20 42 59 54 45 53 20 4F 4E 20 41 20 44 49 |AL BYTES ON A DI|
00000070: 53 4B 2E 20 20 D4 48 45 20 50 52 4F 47 52 41 4D |SK. .HE PROGRAM|
00000080: 20 44 49 53 50 4C 41 59 53 20 4F 4E 45 20 53 45 | DISPLAYS ONE SE|
00000090: 43 54 4F 52 0D 28 32 35 36 20 42 59 54 45 53 29 |CTOR.(256 BYTES)|
000000A0: 20 41 54 20 41 20 54 49 4D 45 20 41 53 20 43 48 | AT A TIME AS CH|
000000B0: 41 52 41 43 54 45 52 53 2C 20 41 4E 44 20 44 49 |ARACTERS, AND DI|
000000C0: 53 50 4C 41 59 53 20 54 48 45 20 4E 55 4D 45 52 |SPLAYS THE NUMER|
000000D0: 49 43 41 4C 0D 56 41 4C 55 45 20 4F 46 20 4F 4E |ICAL.VALUE OF ON|
000000E0: 45 20 42 59 54 45 20 41 54 20 41 20 54 49 4D 45 |E BYTE AT A TIME|
000000F0: 2E 20 20 D4 48 45 20 43 55 52 53 4F 52 20 49 4E |. .HE CURSOR IN|
00000100: 44 49 43 41 54 45 53 20 54 48 45 20 50 4F 53 49 |DICATES THE POSI|
00000110: 54 49 4F 4E 0D 4F 46 20 54 48 45 20 42 59 54 45 |TION.OF THE BYTE|
00000120: 20 57 48 4F 53 45 20 4E 55 4D 45 52 49 43 41 4C | WHOSE NUMERICAL|
00000130: 20 56 41 4C 55 45 20 49 53 20 43 55 52 52 45 4E | VALUE IS CURREN|
00000140: 54 4C 59 20 42 45 49 4E 47 20 44 49 53 50 4C 41 |TLY BEING DISPLA|
00000150: 59 45 44 2E 20 0D D9 4F 55 20 43 41 4E 20 55 53 |YED. ..OU CAN US|
00000160: 45 20 54 48 45 20 43 55 52 53 4F 52 20 43 4F 4E |E THE CURSOR CON|
00000170: 54 52 4F 4C 20 4B 45 59 53 20 54 4F 20 4D 4F 56 |TROL KEYS TO MOV|
00000180: 45 20 41 52 4F 55 4E 44 20 57 49 54 48 49 4E 20 |E AROUND WITHIN |
00000190: 54 48 45 0D 53 45 43 54 4F 52 2E 20 20 D9 4F 55 |THE.SECTOR. .OU|
000001A0: 20 43 41 4E 20 43 48 41 4E 47 45 20 41 4E 20 49 | CAN CHANGE AN I|
000001B0: 4E 44 49 56 49 44 55 41 4C 20 42 59 54 45 2C 20 |NDIVIDUAL BYTE, |
000001C0: 47 49 56 49 4E 47 20 54 48 45 20 4E 45 57 20 56 |GIVING THE NEW V|
000001D0: 41 4C 55 45 0D 41 53 20 41 20 4E 55 4D 42 45 52 |ALUE.AS A NUMBER|
000001E0: 2C 20 42 59 20 55 53 49 4E 47 20 54 48 45 20 40 |, BY USING THE @|
000001F0: 20 43 4F 4D 4D 41 4E 44 2E 20 20 D9 4F 55 20 43 | COMMAND. .OU C|
00000200: 41 4E 20 54 59 50 45 20 49 4E 20 54 45 58 54 20 |AN TYPE IN TEXT |
00000210: 54 4F 0D 43 48 41 4E 47 45 20 53 45 56 45 52 41 |TO.CHANGE SEVERA|
00000220: 4C 20 43 4F 4E 53 45 43 55 54 49 56 45 20 42 59 |L CONSECUTIVE BY|
00000230: 54 45 53 2C 20 42 59 20 55 53 49 4E 47 20 54 48 |TES, BY USING TH|
00000240: 45 20 D4 20 43 4F 4D 4D 41 4E 44 2E 20 20 D4 48 |E . COMMAND. .H|
00000250: 45 0D 44 49 53 4B 20 49 54 53 45 4C 46 20 49 53 |E.DISK ITSELF IS|
00000260: 20 4E 4F 54 20 43 48 41 4E 47 45 44 20 55 4E 54 | NOT CHANGED UNT|
00000270: 49 4C 20 59 4F 55 20 53 50 45 43 49 46 49 43 41 |IL YOU SPECIFICA|
00000280: 4C 4C 59 20 52 45 51 55 45 53 54 20 54 48 41 54 |LLY REQUEST THAT|
00000290: 0D 54 48 45 20 53 45 43 54 4F 52 20 42 45 20 57 |.THE SECTOR BE W|
000002A0: 52 49 54 54 45 4E 20 54 4F 20 44 49 53 4B 2C 20 |RITTEN TO DISK, |
000002B0: 55 53 49 4E 47 20 54 48 45 20 D2 20 43 4F 4D 4D |USING THE . COMM|
000002C0: 41 4E 44 2E 20 20 D4 48 45 0D 44 45 53 43 52 49 |AND. .HE.DESCRI|
000002D0: 50 54 49 4F 4E 53 20 4F 46 20 54 48 45 20 56 41 |PTIONS OF THE VA|
000002E0: 52 49 4F 55 53 20 43 4F 4D 4D 41 4E 44 53 20 41 |RIOUS COMMANDS A|
000002F0: 52 45 20 44 49 53 50 4C 41 59 |RE DISPLAY |
INFORMATION ABOUT DISK-DOCTOR..DISK DOCT
OR IS A PROGRAM TO HELP YOU CONVENIENTLY
MODIFY.INDIVIDUAL BYTES ON A DISK. THE
PROGRAM DISPLAYS ONE SECTOR.(256 BYTES)
AT A TIME AS CHARACTERS, AND DISPLAYS T
HE NUMERICAL.VALUE OF ONE BYTE AT A TIME
. THE CURSOR INDICATES THE POSITION.OF
THE BYTE WHOSE NUMERICAL VALUE IS CURREN
TLY BEING DISPLAYED. .YOU CAN USE THE CU
RSOR CONTROL KEYS TO MOVE AROUND WITHIN
THE.SECTOR. YOU CAN CHANGE AN INDIVIDUA
L BYTE, GIVING THE NEW VALUE.AS A NUMBER
, BY USING THE @ COMMAND. YOU CAN TYPE
IN TEXT TO.CHANGE SEVERAL CONSECUTIVE BY
TES, BY USING THE T COMMAND. THE.DISK I
TSELF IS NOT CHANGED UNTIL YOU SPECIFICA
LLY REQUEST THAT.THE SECTOR BE WRITTEN T
O DISK, USING THE R COMMAND. THE.DESCRI
PTIONS OF THE VARIOUS COMMANDS ARE DISPL
AY
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