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

DEY.D

FILE INFORMATION

FILENAME(S): DEY.D

FILE TYPE(S): SEQ

FILE SIZE: 323b

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

APPEARS ON: 4 disk(s)

FILE HASH

53eec00bffd02502e1b3e4e7d7ecf16b2292200d388595852fd2289097cf33ea

FOUND ON DISKS (4 DISKS)

DISK TITLE FILENAME FILE TYPE COLLECTION TRACK SECTOR ACTIONS
1 DEY.D SEQ Treasure Chest - Plattfuss 22 11 DOWNLOAD FILE
U TILITES DEY.D SEQ Treasure Chest - Wolfgang Rauprich 13 3 DOWNLOAD FILE
FREEWARE DISK NR DEY.D SEQ Treasure Chest - Wolfgang Rauprich 13 3 DOWNLOAD FILE
OP CODE TUTOR DEY.D SEQ High Voltage Complete C64 Collection 22 8 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 C4  C5 D9 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 20  D4 48 45 20 20 43 4F 4E  |TION:   .HE  CON|
00000050: 54 45 4E 54 53 20 20 4F  46 20 20 54 48 45 20 20  |TENTS  OF  THE  |
00000060: D9 0D 22 52 45 47 49 53  54 45 52 20 41 52 45 20  |.."REGISTER ARE |
00000070: 44 45 43 52 45 4D 45 4E  54 45 44 20 42 59 20 31  |DECREMENTED BY 1|
00000080: 2C 20 53 45 54 54 49 4E  47 0D 22 54 48 45 20 CE  |, SETTING."THE .|
00000090: 20 46 4C 41 47 20 49 46  20 54 48 45 20 52 45 53  | FLAG IF THE RES|
000000A0: 55 4C 54 20 48 41 53 20  42 49 54 20 37 20 53 45  |ULT HAS BIT 7 SE|
000000B0: 54 0D 22 28 49 2E 45 2E  20 20 49 53 20 20 47 52  |T."(I.E.  IS  GR|
000000C0: 45 41 54 45 52 20 20 54  48 45 4E 20 20 20 31 32  |EATER  THEN   12|
000000D0: 37 29 2C 20 20 20 41 4E  44 0D 22 53 45 54 54 49  |7),   AND."SETTI|
000000E0: 4E 47 20 54 48 45 20 DA  20 46 4C 41 47 20 49 46  |NG THE . FLAG IF|
000000F0: 20 20 54 48 45 20 20 52  45 53 55 4C 54 20 20 49  |  THE  RESULT  I|
00000100: 53 0D 22 23 30 2E 20 20  C1 53 20 57 49 54 48 20  |S."#0.  .S WITH |
00000110: C4 C5 C3 2C 20 20 54 48  45 20 20 43 41 52 52 59  |...,  THE  CARRY|
00000120: 20 20 42 49 54 20 20 49  53 0D 22 55 4E 41 4C 54  |  BIT  IS."UNALT|
00000130: 45 52 45 44 2E 0D 22 0D  22 5A 5A 5A 5A 5A 0D 0D  |ERED.."."ZZZZZ..|
00000140: 80 0D 0A                                          |...             |

"              OPCODE: DEY."            
  -----------."."."OPERATION:   THE  CON
TENTS  OF  THE  Y."REGISTER ARE DECREMEN
TED BY 1, SETTING."THE N FLAG IF THE RES
ULT HAS BIT 7 SET."(I.E.  IS  GREATER  T
HEN   127),   AND."SETTING THE Z FLAG IF
  THE  RESULT  IS."#0.  AS WITH DEC,  TH
E  CARRY  BIT  IS."UNALTERED.."."ZZZZZ..
...
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