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

ROL.D

FILE INFORMATION

FILENAME(S): ROL.D

FILE TYPE(S): SEQ

FILE SIZE: 442b

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

APPEARS ON: 4 disk(s)

FILE HASH

25376257eea4917c3305862ed5bf91d45ca8d4d702961c67dd8f78352f446980

FOUND ON DISKS (4 DISKS)

DISK TITLE FILENAME FILE TYPE COLLECTION TRACK SECTOR ACTIONS
1 ROL.D SEQ Treasure Chest - Plattfuss 12 12 DOWNLOAD FILE
U TILITES ROL.D SEQ Treasure Chest - Wolfgang Rauprich 24 3 DOWNLOAD FILE
FREEWARE DISK NR ROL.D SEQ Treasure Chest - Wolfgang Rauprich 24 3 DOWNLOAD FILE
OP CODE TUTOR ROL.D SEQ High Voltage Complete C64 Collection 12 9 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 D2  CF CC 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 0D 22 CF 50 45 52 41  |-----.".".".PERA|
00000040: 54 49 4F 4E 3A 20 20 39  20 42 49 54 53 2C 20 43  |TION:  9 BITS, C|
00000050: 4F 4E 53 49 53 54 49 4E  47 20 4F 46 20 20 54 48  |ONSISTING OF  TH|
00000060: 45 0D 22 43 4F 4E 54 45  4E 54 53 20 4F 46 20 4D  |E."CONTENTS OF M|
00000070: 45 4D 4F 52 59 20 52 45  46 45 52 45 4E 43 45 44  |EMORY REFERENCED|
00000080: 20 20 42 59 20 20 54 48  45 0D 22 49 4E 53 54 52  |  BY  THE."INSTR|
00000090: 55 43 54 49 4F 4E 2C 20  41 4E 44 20 54 48 45 20  |UCTION, AND THE |
000000A0: 20 43 41 52 52 59 20 20  42 49 54 2C 20 20 41 52  | CARRY  BIT,  AR|
000000B0: 45 0D 22 27 52 4F 54 41  54 45 44 27 2E 20 20 20  |E."'ROTATED'.   |
000000C0: C9 4E 20 20 54 48 45 20  20 50 52 4F 43 45 53 53  |.N  THE  PROCESS|
000000D0: 2C 20 20 C3 20 20 20 49  53 0D 22 43 48 41 4E 47  |,  .   IS."CHANG|
000000E0: 45 44 20 54 4F 20 20 57  48 41 54 20 20 57 41 53  |ED TO  WHAT  WAS|
000000F0: 20 20 42 49 54 20 20 37  2C 20 20 42 49 54 20 20  |  BIT  7,  BIT  |
00000100: 30 0D 22 42 45 43 4F 4D  45 53 20 20 54 48 45 20  |0."BECOMES  THE |
00000110: 20 50 52 45 56 49 4F 55  53 20 20 C3 2C 20 20 20  | PREVIOUS  .,   |
00000120: 41 4E 44 20 20 20 54 48  45 0D 22 4E 45 47 41 54  |AND   THE."NEGAT|
00000130: 49 56 45 20 20 46 4C 41  47 2C 20 20 42 49 54 20  |IVE  FLAG,  BIT |
00000140: 20 37 2C 20 20 42 45 43  4F 4D 45 53 20 20 54 48  | 7,  BECOMES  TH|
00000150: 45 0D 22 50 52 45 56 49  4F 55 53 20 42 49 54 20  |E."PREVIOUS BIT |
00000160: 36 2E 20 20 C9 4E 20 41  44 44 49 54 49 4F 4E 2C  |6.  .N ADDITION,|
00000170: 20 DA 20 49 53 20 53 45  54 0D 22 4F 52 20 43 4C  | . IS SET."OR CL|
00000180: 45 41 52 45 44 20 44 45  50 45 4E 44 49 4E 47 20  |EARED DEPENDING |
00000190: 4F 4E 20 54 48 45 20 4E  45 57 20 4D 45 4D 4F 52  |ON THE NEW MEMOR|
000001A0: 59 0D 22 43 4F 4E 54 45  4E 54 53 2E 0D 22 0D 22  |Y."CONTENTS.."."|
000001B0: 5A 5A 5A 5A 5A 0D 0D 80  0D 0A                    |ZZZZZ.....      |

"              OPCODE: ROL."            
  -----------."."."OPERATION:  9 BITS, C
ONSISTING OF  THE."CONTENTS OF MEMORY RE
FERENCED  BY  THE."INSTRUCTION, AND THE 
 CARRY  BIT,  ARE."'ROTATED'.   IN  THE 
 PROCESS,  C   IS."CHANGED TO  WHAT  WAS
  BIT  7,  BIT  0."BECOMES  THE  PREVIOU
S  C,   AND   THE."NEGATIVE  FLAG,  BIT 
 7,  BECOMES  THE."PREVIOUS BIT 6.  IN A
DDITION, Z IS SET."OR CLEARED DEPENDING 
ON THE NEW MEMORY."CONTENTS.."."ZZZZZ...
..
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