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

AND.D

FILE INFORMATION

FILENAME(S): AND.D

FILE TYPE(S): SEQ

FILE SIZE: 659b

FIRST SEEN: 2025-11-02 16:39:56

APPEARS ON: 4 disk(s)

FILE HASH

60a6b195dcb3969210d22fadcf843994cfdeaea07eca5ab2b7c281ffcdbf1054

FOUND ON DISKS (4 DISKS)

DISK TITLE FILENAME FILE TYPE COLLECTION TRACK SECTOR ACTIONS
1 AND.D SEQ Treasure Chest - Plattfuss 16 5 DOWNLOAD FILE
U TILITES AND.D SEQ Treasure Chest - Wolfgang Rauprich 20 8 DOWNLOAD FILE
FREEWARE DISK NR AND.D SEQ Treasure Chest - Wolfgang Rauprich 20 8 DOWNLOAD FILE
OP CODE TUTOR AND.D SEQ High Voltage Complete C64 Collection 16 2 DOWNLOAD FILE

FILE CONTENT & ANALYSIS

00000000: 22 20 20 20 20 20 20 20  20 20 20 20 20 20 20 CF  |"              .|
00000010: 50 43 4F 44 45 3A 20 C1  CE C4 0D 22 20 20 20 20  |PCODE: ...."    |
00000020: 20 20 20 20 20 20 20 20  20 20 2D 2D 2D 2D 2D 2D  |          ------|
00000030: 2D 2D 2D 2D 2D 0D 22 0D  22 CF 50 45 52 41 54 49  |-----.".".PERATI|
00000040: 4F 4E 3A 20 D0 45 52 46  4F 52 4D 53 20 C1 CE C4  |ON: .ERFORMS ...|
00000050: 20 4F 46 20 54 48 45 20  38 20 20 42 49 54 53 0D  | OF THE 8  BITS.|
00000060: 22 43 55 52 52 45 4E 54  4C 59 20 49 4E 20 54 48  |"CURRENTLY IN TH|
00000070: 45 20 41 43 43 55 4D 55  4C 41 54 4F 52 20 41 4E  |E ACCUMULATOR AN|
00000080: 44 20 54 48 45 20 38 0D  22 42 49 54 53 20 52 45  |D THE 8."BITS RE|
00000090: 46 45 52 45 4E 43 45 44  20 42 59 20 20 54 48 45  |FERENCED BY  THE|
000000A0: 20 20 4F 50 43 4F 44 45  2E 20 20 20 D3 45 45 0D  |  OPCODE.   .EE.|
000000B0: 22 42 C1 D3 C9 C3 27 53  20 C1 CE C4 20 43 4F 4D  |"B....'S ... COM|
000000C0: 4D 41 4E 44 20 46 4F 52  20 41 20 20 44 45 53 43  |MAND FOR A  DESC|
000000D0: 52 49 50 54 49 4F 4E 0D  22 4F 46 20 20 20 54 48  |RIPTION."OF   TH|
000000E0: 45 20 20 20 54 52 55 54  48 20 20 20 54 41 42 4C  |E   TRUTH   TABL|
000000F0: 45 20 20 20 20 4F 46 20  20 20 20 C1 CE C4 2E 0D  |E    OF    .....|
00000100: 22 C5 53 53 45 4E 54 49  41 4C 4C 59 2C 20 57 48  |".SSENTIALLY, WH|
00000110: 45 4E 20 42 4F 54 48 20  42 49 54 53 20 41 52 45  |EN BOTH BITS ARE|
00000120: 20 31 2C 20 54 48 45 0D  22 52 45 53 55 4C 54 20  | 1, THE."RESULT |
00000130: 49 53 20 31 2C 20 42 55  54 20 20 49 46 20 20 45  |IS 1, BUT  IF  E|
00000140: 49 54 48 45 52 20 20 4F  52 20 20 42 4F 54 48 0D  |ITHER  OR  BOTH.|
00000150: 22 42 49 54 53 20 41 52  45 20 5A 45 52 4F 2C 20  |"BITS ARE ZERO, |
00000160: 54 48 45 20 52 45 53 55  4C 54 20 49 53 20 20 30  |THE RESULT IS  0|
00000170: 2E 20 20 20 28 D3 4F 0D  22 54 48 45 20 46 49 52  |.   (.O."THE FIR|
00000180: 53 54 20 42 49 54 20 C1  CE C4 20 54 48 45 20 53  |ST BIT ... THE S|
00000190: 45 43 4F 4E 44 20 4D 55  53 59 54 20 20 42 45 0D  |ECOND MUSYT  BE.|
000001A0: 22 31 29 2E 20 20 D4 48  45 20 52 45 53 55 4C 54  |"1).  .HE RESULT|
000001B0: 49 4E 47 20 42 59 54 45  20 49 53 20 20 53 54 4F  |ING BYTE IS  STO|
000001C0: 52 45 44 20 20 49 4E 0D  22 C1 2E 20 20 C9 46 20  |RED  IN."..  .F |
000001D0: C1 20 4E 4F 57 20 48 4F  4C 44 53 20 20 30 2C 20  |. NOW HOLDS  0, |
000001E0: 20 49 2E 45 2E 20 20 41  4C 4C 20 20 49 54 53 0D  | I.E.  ALL  ITS.|
000001F0: 22 42 49 54 53 20 41 52  45 20 5A 45 52 4F 2C 20  |"BITS ARE ZERO, |
00000200: 54 48 45 20 DA 20 46 4C  41 47 20 49 53 20 53 45  |THE . FLAG IS SE|
00000210: 54 20 54 4F 20 31 3B 0D  22 41 4E 44 20 49 46 20  |T TO 1;."AND IF |
00000220: 54 48 45 20 48 49 47 48  20 42 49 54 20 49 53 20  |THE HIGH BIT IS |
00000230: 53 45 54 2C 20 49 2E 45  2E 20 42 49 54 20 37 0D  |SET, I.E. BIT 7.|
00000240: 22 49 53 20 31 2C 20 54  48 45 20 27 4E 45 47 41  |"IS 1, THE 'NEGA|
00000250: 54 49 56 45 27 20 46 4C  41 47 20 CE 20 49 53 20  |TIVE' FLAG . IS |
00000260: 53 45 54 20 20 54 4F 0D  22 31 2E 20 20 CF 54 48  |SET  TO."1.  .TH|
00000270: 45 52 57 49 53 45 20 54  48 45 20 46 4C 41 47 20  |ERWISE THE FLAG |
00000280: 49 53 20 30 2E 0D 22 0D  22 5A 5A 5A 5A 5A 0D 0D  |IS 0.."."ZZZZZ..|
00000290: 80 0D 0A                                          |...             |

"              OPCODE: AND."            
  -----------."."OPERATION: PERFORMS AND
 OF THE 8  BITS."CURRENTLY IN THE ACCUMU
LATOR AND THE 8."BITS REFERENCED BY  THE
  OPCODE.   SEE."BASIC'S AND COMMAND FOR
 A  DESCRIPTION."OF   THE   TRUTH   TABL
E    OF    AND.."ESSENTIALLY, WHEN BOTH 
BITS ARE 1, THE."RESULT IS 1, BUT  IF  E
ITHER  OR  BOTH."BITS ARE ZERO, THE RESU
LT IS  0.   (SO."THE FIRST BIT AND THE S
ECOND MUSYT  BE."1).  THE RESULTING BYTE
 IS  STORED  IN."A.  IF A NOW HOLDS  0, 
 I.E.  ALL  ITS."BITS ARE ZERO, THE Z FL
AG IS SET TO 1;."AND IF THE HIGH BIT IS 
SET, I.E. BIT 7."IS 1, THE 'NEGATIVE' FL
AG N IS SET  TO."1.  OTHERWISE THE FLAG 
IS 0.."."ZZZZZ.....
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