_  __   _  _         _ _     _      _           _           
  __| |/ /_ | || |     __| (_)___| | __ (_)_ __   __| | _____  __
 / _` | '_ \| || |_   / _` | / __| |/ / | | '_ \ / _` |/ _ \ \/ /
| (_| | (_) |__   _| | (_| | \__ \   <  | | | | | (_| |  __/>  < 
 \__,_|\___/   |_|    \__,_|_|___/_|\_\ |_|_| |_|\__,_|\___/_/\_\
                                                                 
            

T.APPROXIMATOR

FILE INFORMATION

FILENAME(S): T.APPROXIMATOR

FILE TYPE(S): PRG

FILE SIZE: 2.3K

FIRST SEEN: 2025-11-30 18:12:11

APPEARS ON: 1 disk(s)

FILE HASH

1a7947e6ac5317c2fea0d132e39104cfac5d4310fe7773a14864f8a4f38b6bb8

FOUND ON DISKS (1 DISKS)

DISK TITLE FILENAME FILE TYPE COLLECTION TRACK SECTOR ACTIONS
LOADSTAR 32 S 1 T.APPROXIMATOR PRG Sailor, Ganheden 27 0 DOWNLOAD FILE

FILE CONTENT & ANALYSIS

00000000: 00 80 0D 0D 20 20 20 20  20 20 20 20 20 20 20 20  |....            |
00000010: C1 D0 D0 D2 CF D8 C9 CD  C1 D4 CF D2 0D 20 20 20  |.............   |
00000020: 20 20 20 20 20 20 20 20  20 20 20 20 20 20 42 59  |              BY|
00000030: 0D 20 20 20 20 20 20 20  20 20 20 20 D0 41 55 4C  |.           .AUL|
00000040: 20 CD 4F 4E 54 4F 47 4E  45 53 45 0D 0D 0D C3 CF  | .ONTOGNESE.....|
00000050: CD CD CF C4 CF D2 C5 20  CD C1 C7 C1 DA C9 CE C5  |....... ........|
00000060: 0D C6 45 42 52 55 41 52  59 2C 20 31 39 38 37 0D  |..EBRUARY, 1987.|
00000070: 0D 20 20 C3 4F 4D 50 55  54 45 52 53 20 41 52 45  |.  .OMPUTERS ARE|
00000080: 20 4E 4F 54 4F 52 49 4F  55 53 4C 59 20 50 49 43  | NOTORIOUSLY PIC|
00000090: 4B 59 0D 42 45 41 53 54  53 2E 20 20 D3 41 59 20  |KY.BEASTS.  .AY |
000000A0: 59 4F 55 20 48 41 56 45  20 57 52 49 54 54 45 4E  |YOU HAVE WRITTEN|
000000B0: 20 41 0D 22 53 54 41 54  45 53 20 41 4E 44 20 43  | A."STATES AND C|
000000C0: 41 50 49 54 41 4C 53 22  20 45 44 55 43 41 54 49  |APITALS" EDUCATI|
000000D0: 4F 4E 41 4C 0D 50 52 4F  47 52 41 4D 2E 20 20 C9  |ONAL.PROGRAM.  .|
000000E0: 46 20 59 4F 55 52 20 50  52 4F 47 52 41 4D 20 49  |F YOUR PROGRAM I|
000000F0: 53 20 4C 49 4B 45 0D 4D  4F 53 54 20 50 52 4F 47  |S LIKE.MOST PROG|
00000100: 52 41 4D 53 2C 20 57 48  45 4E 20 49 54 20 41 53  |RAMS, WHEN IT AS|
00000110: 4B 53 20 46 4F 52 20 54  48 45 0D 43 41 50 49 54  |KS FOR THE.CAPIT|
00000120: 41 4C 20 4F 46 20 CE 45  57 20 D9 4F 52 4B 2C 20  |AL OF .EW .ORK, |
00000130: 54 48 45 20 50 4C 41 59  45 52 20 43 41 4E 0D 45  |THE PLAYER CAN.E|
00000140: 4E 54 45 52 20 4F 4E 4C  59 20 4F 4E 45 20 57 4F  |NTER ONLY ONE WO|
00000150: 52 44 20 41 53 20 49 4E  50 55 54 20 28 41 0D 22  |RD AS INPUT (A."|
00000160: 53 54 52 49 4E 47 22 29  20 41 4E 44 20 52 45 43  |STRING") AND REC|
00000170: 45 49 56 45 20 50 4F 49  4E 54 53 20 46 4F 52 20  |EIVE POINTS FOR |
00000180: 41 0D 43 4F 52 52 45 43  54 20 41 4E 53 57 45 52  |A.CORRECT ANSWER|
00000190: 2E 20 20 D0 4C 41 59 45  52 53 20 57 48 4F 20 43  |.  .LAYERS WHO C|
000001A0: 41 4E 27 54 0D 51 55 49  54 45 20 53 50 45 4C 4C  |AN'T.QUITE SPELL|
000001B0: 20 22 C1 4C 42 41 4E 59  22 20 41 52 45 20 4F 55  | ".LBANY" ARE OU|
000001C0: 54 20 4F 46 20 4C 55 43  4B 2E 0D 0D 20 20 C8 4F  |T OF LUCK...  .O|
000001D0: 57 20 43 41 4E 20 59 4F  55 20 57 52 49 54 45 20  |W CAN YOU WRITE |
000001E0: 59 4F 55 52 20 50 52 4F  47 52 41 4D 20 53 4F 0D  |YOUR PROGRAM SO.|
000001F0: 54 48 41 54 20 22 41 4C  4D 4F 53 54 20 43 4F 52  |THAT "ALMOST COR|
00000200: 52 45 43 54 22 20 41 4E  53 57 45 52 53 20 4C 49  |RECT" ANSWERS LI|
00000210: 4B 45 0D 22 C1 4C 42 45  4E 59 22 20 41 52 45 20  |KE.".LBENY" ARE |
00000220: 41 43 43 45 50 54 45 44  3F 0D 0D 20 20 C1 D0 D0  |ACCEPTED?..  ...|
00000230: D2 CF D8 C9 CD C1 D4 CF  D2 2C 20 41 20 4D 41 43  |........., A MAC|
00000240: 48 49 4E 45 20 4C 41 4E  47 55 41 47 45 0D 53 55  |HINE LANGUAGE.SU|
00000250: 42 52 4F 55 54 49 4E 45  20 54 48 41 54 20 43 4F  |BROUTINE THAT CO|
00000260: 4D 50 41 52 45 53 20 54  57 4F 20 53 54 52 49 4E  |MPARES TWO STRIN|
00000270: 47 53 2C 0D 43 4F 55 4C  44 20 42 45 20 54 48 45  |GS,.COULD BE THE|
00000280: 20 41 4E 53 57 45 52 2E  20 20 C6 4F 52 20 45 58  | ANSWER.  .OR EX|
00000290: 41 4D 50 4C 45 2C 0D 49  46 20 59 4F 55 20 48 41  |AMPLE,.IF YOU HA|
000002A0: 44 20 49 54 20 49 4E 53  54 41 4C 4C 45 44 2C 20  |D IT INSTALLED, |
000002B0: C1 D0 D0 D2 CF D8 C9 CD  C1 D4 CF D2 0D 57 4F 55  |.............WOU|
000002C0: 4C 44 20 4C 4F 4F 4B 20  41 54 20 54 48 45 20 43  |LD LOOK AT THE C|
000002D0: 4F 52 52 45 43 54 20 41  4E 53 57 45 52 2C 0D 22  |ORRECT ANSWER,."|
000002E0: C1 4C 42 41 4E 59 2C 22  20 41 4E 44 20 54 48 45  |.LBANY," AND THE|
000002F0: 20 45 4E 54 45 52 45 44  20 57 4F 52 44 2C 0D 22  | ENTERED WORD,."|
00000300: C1 4C 42 45 4E 59 2C 22  20 41 4E 44 20 44 45 54  |.LBENY," AND DET|
00000310: 45 52 4D 49 4E 45 20 48  4F 57 20 57 45 4C 4C 20  |ERMINE HOW WELL |
00000320: 54 48 45 59 0D 4D 41 54  43 48 2E 20 20 CE 45 58  |THEY.MATCH.  .EX|
00000330: 54 2C 20 54 48 45 20 50  52 4F 47 52 41 4D 20 57  |T, THE PROGRAM W|
00000340: 4F 55 4C 44 20 53 45 54  20 41 0D 56 41 52 49 41  |OULD SET A.VARIA|
00000350: 42 4C 45 2C 20 D0 C3 25  2C 20 54 4F 20 41 20 56  |BLE, ..%, TO A V|
00000360: 41 4C 55 45 20 46 52 4F  4D 20 30 2D 31 30 30 2C  |ALUE FROM 0-100,|
00000370: 0D 57 49 54 48 20 31 30  30 20 52 45 50 52 45 53  |.WITH 100 REPRES|
00000380: 45 4E 54 49 4E 47 20 41  20 50 45 52 46 45 43 54  |ENTING A PERFECT|
00000390: 0D 43 48 41 52 41 43 54  45 52 20 46 4F 52 20 43  |.CHARACTER FOR C|
000003A0: 48 41 52 41 43 54 45 52  2E 0D 0D 20 20 CF 4E 43  |HARACTER...  .NC|
000003B0: 45 20 54 48 45 20 D0 C3  25 20 49 53 20 53 45 54  |E THE ..% IS SET|
000003C0: 2C 20 43 4F 4E 54 52 4F  4C 20 49 53 0D 52 45 54  |, CONTROL IS.RET|
000003D0: 55 52 4E 45 44 20 54 4F  20 59 4F 55 52 20 C2 C1  |URNED TO YOUR ..|
000003E0: D3 C9 C3 2E 20 20 C9 54  20 53 48 4F 55 4C 44 20  |....  .T SHOULD |
000003F0: 42 45 0D 4F 42 56 49 4F  55 53 20 48 4F 57 20 59  |BE.OBVIOUS HOW Y|
00000400: 4F 55 20 43 4F 55 4C 44  20 52 45 46 45 52 45 4E  |OU COULD REFEREN|
00000410: 43 45 20 54 48 49 53 0D  56 41 52 49 41 42 4C 45  |CE THIS.VARIABLE|
00000420: 20 49 4E 20 59 4F 55 52  20 22 53 54 41 54 45 20  | IN YOUR "STATE |
00000430: 41 4E 44 20 43 41 50 49  54 41 4C 53 22 0D 50 52  |AND CAPITALS".PR|
00000440: 4F 47 52 41 4D 2E 20 20  D7 48 45 4E 20 C1 D0 D0  |OGRAM.  .HEN ...|
00000450: D2 CF D8 C9 CD C1 D4 CF  D2 20 43 4F 4D 50 41 52  |......... COMPAR|
00000460: 45 53 0D 22 C1 4C 42 41  4E 59 22 20 41 4E 44 20  |ES.".LBANY" AND |
00000470: 22 C1 4C 42 45 4E 59 2C  22 20 D0 C3 25 20 49 53  |".LBENY," ..% IS|
00000480: 20 53 45 54 20 54 4F 0D  38 33 2E 20 20 C9 46 20  | SET TO.83.  .F |
00000490: 59 4F 55 52 20 50 52 4F  47 52 41 4D 20 57 45 52  |YOUR PROGRAM WER|
000004A0: 45 20 53 45 54 20 55 50  20 54 4F 0D 41 43 43 45  |E SET UP TO.ACCE|
000004B0: 50 54 20 54 48 45 20 41  4E 53 57 45 52 20 57 48  |PT THE ANSWER WH|
000004C0: 45 4E 20 D0 C3 25 20 49  53 20 47 52 45 41 54 45  |EN ..% IS GREATE|
000004D0: 52 0D 54 48 41 4E 20 38  30 2C 20 54 48 45 20 50  |R.THAN 80, THE P|
000004E0: 52 4F 47 52 41 4D 20 57  4F 55 4C 44 20 41 57 41  |ROGRAM WOULD AWA|
000004F0: 52 44 20 46 55 4C 4C 0D  56 41 4C 55 45 20 46 4F  |RD FULL.VALUE FO|
00000500: 52 20 54 48 45 20 41 4E  53 57 45 52 20 22 C1 4C  |R THE ANSWER ".L|
00000510: 42 45 4E 59 2E 22 0D 0D  20 20 CE 4F 57 20 54 48  |BENY."..  .OW TH|
00000520: 41 54 20 59 4F 55 20 53  45 45 20 48 4F 57 20 C1  |AT YOU SEE HOW .|
00000530: D0 D0 D2 CF D8 C9 CD C1  D4 CF D2 0D 43 41 4E 20  |............CAN |
00000540: 42 45 20 55 53 45 44 2C  20 48 45 52 45 27 53 20  |BE USED, HERE'S |
00000550: 48 4F 57 20 59 4F 55 20  55 53 45 20 49 54 20 49  |HOW YOU USE IT I|
00000560: 4E 0D 59 4F 55 52 20 4F  57 4E 20 50 52 4F 47 52  |N.YOUR OWN PROGR|
00000570: 41 4D 53 2E 20 20 D4 48  45 20 47 45 4E 45 52 41  |AMS.  .HE GENERA|
00000580: 4C 0D 46 4F 52 4D 41 54  20 46 4F 52 20 41 20 43  |L.FORMAT FOR A C|
00000590: 41 4C 4C 20 54 4F 20 C1  D0 D0 D2 CF D8 C9 CD C1  |ALL TO .........|
000005A0: D4 CF D2 20 49 53 3A 0D  0D D3 D9 D3 20 35 32 37  |... IS:..... 527|
000005B0: 35 35 2C D3 24 2C D3 24  0D 0D 57 48 45 52 45 20  |55,.$,.$..WHERE |
000005C0: 22 C1 24 22 20 41 4E 44  20 22 C2 24 22 20 52 45  |".$" AND ".$" RE|
000005D0: 50 52 45 53 45 4E 54 20  53 54 52 49 4E 47 53 0D  |PRESENT STRINGS.|
000005E0: 54 48 41 54 20 43 41 4E  20 42 45 20 45 58 50 52  |THAT CAN BE EXPR|
000005F0: 45 53 53 45 44 20 41 53  20 4C 49 54 45 52 41 4C  |ESSED AS LITERAL|
00000600: 53 2C 0D 45 58 50 52 45  53 53 49 4F 4E 53 2C 20  |S,.EXPRESSIONS, |
00000610: 53 49 4D 50 4C 45 20 56  41 52 49 41 42 4C 45 53  |SIMPLE VARIABLES|
00000620: 2C 20 4F 52 0D 41 52 52  41 59 20 56 41 52 49 41  |, OR.ARRAY VARIA|
00000630: 42 4C 45 53 2E 0D 0D 20  20 C8 45 52 45 20 41 52  |BLES...  .ERE AR|
00000640: 45 20 53 4F 4D 45 20 45  58 41 4D 50 4C 45 53 3A  |E SOME EXAMPLES:|
00000650: 0D 0D D3 D9 D3 20 35 32  37 35 35 2C 22 CC C9 D4  |..... 52755,"...|
00000660: C5 D2 C1 CC 22 2C C1 24  0D 0D D3 D9 D3 20 35 32  |....",.$..... 52|
00000670: 37 35 35 2C 22 C5 D8 D0  D2 C5 D3 D3 C9 CF CE 22  |755,".........."|
00000680: 2B C1 24 2C C2 24 0D 0D  D3 D9 D3 20 35 32 37 35  |+.$,.$..... 5275|
00000690: 35 2C C1 24 2C C2 24 28  D8 29 0D 0D 20 20 CB 45  |5,.$,.$(.)..  .E|
000006A0: 45 50 20 49 4E 20 4D 49  4E 44 20 54 48 41 54 20  |EP IN MIND THAT |
000006B0: 4D 4F 53 54 20 C2 C1 D3  C9 C3 0D 43 4F 4D 50 49  |MOST ......COMPI|
000006C0: 4C 45 52 53 20 57 49 4C  4C 20 4E 4F 54 20 50 52  |LERS WILL NOT PR|
000006D0: 4F 50 45 52 4C 59 20 48  41 4E 44 4C 45 0D D3 D9  |OPERLY HANDLE...|
000006E0: D3 20 43 41 4C 4C 53 20  4C 49 4B 45 20 54 48 4F  |. CALLS LIKE THO|
000006F0: 53 45 20 4D 41 44 45 20  57 49 54 48 0D C1 D0 D0  |SE MADE WITH....|
00000700: D2 CF D8 C9 CD C1 D4 CF  D2 2E 20 20 D4 48 45 20  |..........  .HE |
00000710: 4E 4F 52 4D 41 4C 20 57  41 59 20 41 52 4F 55 4E  |NORMAL WAY AROUN|
00000720: 44 0D 54 48 49 53 20 52  45 53 54 52 49 43 54 49  |D.THIS RESTRICTI|
00000730: 4F 4E 20 49 53 20 54 4F  20 54 45 4C 4C 20 54 48  |ON IS TO TELL TH|
00000740: 45 0D 43 4F 4D 50 49 4C  45 52 20 54 4F 20 50 41  |E.COMPILER TO PA|
00000750: 53 53 20 54 48 45 20 53  54 41 54 45 4D 45 4E 54  |SS THE STATEMENT|
00000760: 0D 54 48 52 4F 55 47 48  20 54 4F 20 C2 C1 D3 C9  |.THROUGH TO ....|
00000770: C3 20 46 4F 52 20 45 58  45 43 55 54 49 4F 4E 2E  |. FOR EXECUTION.|
00000780: 20 20 C6 4F 52 0D 54 48  45 20 C2 CC C9 D4 DA 21  |  .OR.THE .....!|
00000790: 20 43 4F 4D 50 49 4C 45  52 2C 20 46 4F 52 20 45  | COMPILER, FOR E|
000007A0: 58 41 4D 50 4C 45 2C 20  41 0D 50 52 4F 47 52 41  |XAMPLE, A.PROGRA|
000007B0: 4D 20 4C 49 4E 45 20 55  53 45 44 20 41 20 D3 D9  |M LINE USED A ..|
000007C0: D3 20 43 41 4C 4C 20 57  4F 55 4C 44 0D 48 41 56  |. CALL WOULD.HAV|
000007D0: 45 20 54 48 49 53 20 53  59 4E 54 41 58 3A 0D 0D  |E THIS SYNTAX:..|
000007E0: 20 20 20 20 20 20 20 31  35 30 20 3A 20 3A D3 D9  |       150 : :..|
000007F0: D3 35 32 37 35 35 2C D3  2C D3 0D 0D 20 20 C9 46  |.52755,.,...  .F|
00000800: 20 59 4F 55 20 57 41 4E  54 20 54 4F 20 48 41 56  | YOU WANT TO HAV|
00000810: 45 20 41 4E 20 49 4E 54  45 47 45 52 0D 56 41 52  |E AN INTEGER.VAR|
00000820: 49 41 42 4C 45 20 4F 54  48 45 52 20 54 48 41 4E  |IABLE OTHER THAN|
00000830: 20 D0 C3 25 2C 20 59 4F  55 20 4D 55 53 54 0D 50  | ..%, YOU MUST.P|
00000840: 4F 4B 45 20 49 54 53 20  C1 D3 C3 C9 C9 20 56 41  |OKE ITS ..... VA|
00000850: 4C 55 45 20 2B 20 31 32  38 20 49 4E 54 4F 0D 35  |LUE + 128 INTO.5|
00000860: 32 39 35 31 20 41 4E 44  20 35 32 39 35 33 2E 20  |2951 AND 52953. |
00000870: 20 C6 4F 52 20 45 58 41  4D 50 4C 45 2C 0D 0D D0  | .OR EXAMPLE,...|
00000880: CF CB C5 35 32 39 35 31  2C C1 D3 C3 28 22 D8 22  |...52951,...("."|
00000890: 29 2B 31 32 38 3A D0 CF  CB C5 35 33 39 35 33 2C  |)+128:....53953,|
000008A0: C1 D3 C3 0D 28 22 D9 22  29 2B 31 32 38 0D 0D 57  |....(".")+128..W|
000008B0: 4F 55 4C 44 20 53 45 54  20 C1 D0 D0 D2 CF D8 C9  |OULD SET .......|
000008C0: CD C1 D4 CF D2 20 54 4F  20 52 45 54 55 52 4E 20  |..... TO RETURN |
000008D0: 49 54 53 0D 53 43 4F 52  45 20 49 4E 54 4F 20 56  |ITS.SCORE INTO V|
000008E0: 41 52 49 41 42 4C 45 20  D8 D9 25 2E 0D 0D 0D C4  |ARIABLE ..%.....|
000008F0: C9 D3 CB 20 C6 C9 CC C5  D3 20 D4 C8 C9 D3 20 D0  |... ..... .... .|
00000900: D2 CF C7 D2 C1 CD 20 D5  D3 C5 D3 0D 0D C1 D0 D0  |...... .........|
00000910: D2 CF D8 C9 CD C1 D4 CF  D2 20 20 20 20 20 D4 2E  |.........     ..|
00000920: C1 D0 D0 D2 CF D8 C9 CD  C1 D4 CF D2 0D C1 D0 D0  |................|
00000930: D2 CF D8 C9 CD C1 D4 CF  D2 2E CD CC 0D 0D 20 20  |..............  |
00000940: 20 20 20 20 20 20 2A 2A  2A 2A 20 C5 4E 44 20 CF  |      **** .ND .|
00000950: 46 20 D4 45 58 54 20 2A  2A 2A 2A 0D              |F .EXT ****.    |
....            APPROXIMATOR.           
      BY.           PAUL MONTOGNESE...CO
MMODORE MAGAZINE.FEBRUARY, 1987..  COMPU
TERS ARE NOTORIOUSLY PICKY.BEASTS.  SAY 
YOU HAVE WRITTEN A."STATES AND CAPITALS"
 EDUCATIONAL.PROGRAM.  IF YOUR PROGRAM I
S LIKE.MOST PROGRAMS, WHEN IT ASKS FOR T
HE.CAPITAL OF NEW YORK, THE PLAYER CAN.E
NTER ONLY ONE WORD AS INPUT (A."STRING")
 AND RECEIVE POINTS FOR A.CORRECT ANSWER
.  PLAYERS WHO CAN'T.QUITE SPELL "ALBANY
" ARE OUT OF LUCK...  HOW CAN YOU WRITE 
YOUR PROGRAM SO.THAT "ALMOST CORRECT" AN
SWERS LIKE."ALBENY" ARE ACCEPTED?..  APP
ROXIMATOR, A MACHINE LANGUAGE.SUBROUTINE
 THAT COMPARES TWO STRINGS,.COULD BE THE
 ANSWER.  FOR EXAMPLE,.IF YOU HAD IT INS
TALLED, APPROXIMATOR.WOULD LOOK AT THE C
ORRECT ANSWER,."ALBANY," AND THE ENTERED
 WORD,."ALBENY," AND DETERMINE HOW WELL 
THEY.MATCH.  NEXT, THE PROGRAM WOULD SET
 A.VARIABLE, PC%, TO A VALUE FROM 0-100,
.WITH 100 REPRESENTING A PERFECT.CHARACT
ER FOR CHARACTER...  ONCE THE PC% IS SET
, CONTROL IS.RETURNED TO YOUR BASIC.  IT
 SHOULD BE.OBVIOUS HOW YOU COULD REFEREN
CE THIS.VARIABLE IN YOUR "STATE AND CAPI
TALS".PROGRAM.  WHEN APPROXIMATOR COMPAR
ES."ALBANY" AND "ALBENY," PC% IS SET TO.
83.  IF YOUR PROGRAM WERE SET UP TO.ACCE
PT THE ANSWER WHEN PC% IS GREATER.THAN 8
0, THE PROGRAM WOULD AWARD FULL.VALUE FO
R THE ANSWER "ALBENY."..  NOW THAT YOU S
EE HOW APPROXIMATOR.CAN BE USED, HERE'S 
HOW YOU USE IT IN.YOUR OWN PROGRAMS.  TH
E GENERAL.FORMAT FOR A CALL TO APPROXIMA
TOR IS:..SYS 52755,S$,S$..WHERE "A$" AND
 "B$" REPRESENT STRINGS.THAT CAN BE EXPR
ESSED AS LITERALS,.EXPRESSIONS, SIMPLE V
ARIABLES, OR.ARRAY VARIABLES...  HERE AR
E SOME EXAMPLES:..SYS 52755,"LITERAL",A$
..SYS 52755,"EXPRESSION"+A$,B$..SYS 5275
5,A$,B$(X)..  KEEP IN MIND THAT MOST BAS
IC.COMPILERS WILL NOT PROPERLY HANDLE.SY
S CALLS LIKE THOSE MADE WITH.APPROXIMATO
R.  THE NORMAL WAY AROUND.THIS RESTRICTI
ON IS TO TELL THE.COMPILER TO PASS THE S
TATEMENT.THROUGH TO BASIC FOR EXECUTION.
  FOR.THE BLITZ! COMPILER, FOR EXAMPLE, 
A.PROGRAM LINE USED A SYS CALL WOULD.HAV
E THIS SYNTAX:..       150 : :SYS52755,S
,S..  IF YOU WANT TO HAVE AN INTEGER.VAR
IABLE OTHER THAN PC%, YOU MUST.POKE ITS 
ASCII VALUE + 128 INTO.52951 AND 52953. 
 FOR EXAMPLE,..POKE52951,ASC("X")+128:PO
KE53953,ASC.("Y")+128..WOULD SET APPROXI
MATOR TO RETURN ITS.SCORE INTO VARIABLE 
XY%....DISK FILES THIS PROGRAM USES..APP
ROXIMATOR     T.APPROXIMATOR.APPROXIMATO
R.ML..        **** END OF TEXT ****.
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