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

BRK.D

FILE INFORMATION

FILENAME(S): BRK.D

FILE TYPE(S): SEQ

FILE SIZE: 644b

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

APPEARS ON: 4 disk(s)

FILE HASH

865c2b0e2d6031e68b42ef963f6e81b7eeec60eb28c3c49e6f87c3dc4d0faf7f

FOUND ON DISKS (4 DISKS)

DISK TITLE FILENAME FILE TYPE COLLECTION TRACK SECTOR ACTIONS
1 BRK.D SEQ Treasure Chest - Plattfuss 21 2 DOWNLOAD FILE
U TILITES BRK.D SEQ Treasure Chest - Wolfgang Rauprich 21 16 DOWNLOAD FILE
FREEWARE DISK NR BRK.D SEQ Treasure Chest - Wolfgang Rauprich 21 16 DOWNLOAD FILE
OP CODE TUTOR BRK.D SEQ High Voltage Complete C64 Collection 21 3 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 C2  D2 CB 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 C2  D2 CB 20 49 53 20 41 20  |TION:  ... IS A |
00000050: 46 4F 52 43 45 44 20 49  4E 54 45 52 52 55 50 54  |FORCED INTERRUPT|
00000060: 2C 0D 22 57 48 49 43 48  20 53 41 56 45 53 20 49  |,."WHICH SAVES I|
00000070: 54 53 20 43 55 52 52 45  4E 54 20 20 50 4F 53 49  |TS CURRENT  POSI|
00000080: 54 49 4F 4E 20 20 41 4E  44 0D 22 53 54 41 54 55  |TION  AND."STATU|
00000090: 53 20 20 41 4E 44 20 20  4A 55 4D 50 53 20 20 20  |S  AND  JUMPS   |
000000A0: 54 4F 20 20 20 41 20 20  20 53 54 41 4E 44 41 52  |TO   A   STANDAR|
000000B0: 44 0D 22 41 44 44 52 45  53 53 3B 20 20 CE 4F 54  |D."ADDRESS;  .OT|
000000C0: 45 20 54 48 41 54 20 20  28 49 29 20 20 D4 48 45  |E THAT  (I)  .HE|
000000D0: 20 20 50 52 4F 47 52 41  4D 0D 22 43 4F 55 4E 54  |  PROGRAM."COUNT|
000000E0: 45 52 20 53 41 56 45 44  20 50 4F 49 4E 54 53 20  |ER SAVED POINTS |
000000F0: 54 4F 20 54 48 45 20 20  C2 D2 CB 20 20 42 59 54  |TO THE  ...  BYT|
00000100: 45 0D 22 50 4C 55 53 20  54 57 4F 20 28 4C 49 4B  |E."PLUS TWO (LIK|
00000110: 45 20 41 20 42 52 41 4E  43 48 29 2C 20 41 4E 44  |E A BRANCH), AND|
00000120: 20 28 49 49 29 20 D4 48  45 0D 22 50 52 4F 43 45  | (II) .HE."PROCE|
00000130: 53 53 4F 52 20 53 54 41  54 55 53 20 52 45 47 49  |SSOR STATUS REGI|
00000140: 53 54 45 52 20 4F 4E 20  54 48 45 20 53 54 41 43  |STER ON THE STAC|
00000150: 4B 0D 22 48 41 53 20 46  4C 41 47 20 C2 20 53 45  |K."HAS FLAG . SE|
00000160: 54 20 54 4F 20 31 2E 20  20 C9 4E 20 C3 C2 CD 20  |T TO 1.  .N ... |
00000170: 4D 41 43 48 49 4E 45 53  2C 0D 22 54 48 45 20 4E  |MACHINES,."THE N|
00000180: 45 57 20 41 44 44 52 45  53 53 20 49 53 20 53 48  |EW ADDRESS IS SH|
00000190: 41 52 45 44 20 42 59 20  20 54 48 45 20 20 C9 D2  |ARED BY  THE  ..|
000001A0: D1 0D 22 53 45 52 56 49  43 45 20 52 4F 55 54 49  |.."SERVICE ROUTI|
000001B0: 4E 45 20 41 4E 44 20 47  45 4E 45 52 41 4C 4C 59  |NE AND GENERALLY|
000001C0: 20 57 49 54 48 20 54 48  45 0D 22 36 35 30 32 20  | WITH THE."6502 |
000001D0: 4D 41 53 4B 41 42 4C 45  20 49 4E 54 45 52 52 55  |MASKABLE INTERRU|
000001E0: 50 54 53 20 20 41 4C 57  41 59 53 20 20 4A 55 4D  |PTS  ALWAYS  JUM|
000001F0: 50 0D 22 54 4F 20 28 24  C6 C6 C6 C5 29 3B 20 54  |P."TO ($....); T|
00000200: 48 45 20 42 52 45 41 4B  20 46 4C 41 47 20 49 53  |HE BREAK FLAG IS|
00000210: 20 20 41 20 20 53 4F 52  54 0D 22 4F 46 20 44 45  |  A  SORT."OF DE|
00000220: 53 49 47 4E 45 52 27 53  20 50 41 54 43 48 20 53  |SIGNER'S PATCH S|
00000230: 4F 20 54 48 41 54 20 C2  D2 CB 20 43 41 4E 20 42  |O THAT ... CAN B|
00000240: 45 0D 22 52 45 43 4F 47  4E 49 5A 45 44 20 20 41  |E."RECOGNIZED  A|
00000250: 53 20 20 44 49 46 46 45  52 45 4E 54 20 20 46 52  |S  DIFFERENT  FR|
00000260: 4F 4D 20 20 4F 54 48 45  52 0D 22 49 4E 54 45 52  |OM  OTHER."INTER|
00000270: 52 55 50 54 53 2E 0D 22  0D 22 5A 5A 5A 5A 5A 0D  |RUPTS.."."ZZZZZ.|
00000280: 0D 80 0D 0A                                       |....            |

"              OPCODE: BRK."            
  -----------."."."OPERATION:  BRK IS A 
FORCED INTERRUPT,."WHICH SAVES ITS CURRE
NT  POSITION  AND."STATUS  AND  JUMPS   
TO   A   STANDARD."ADDRESS;  NOTE THAT  
(I)  THE  PROGRAM."COUNTER SAVED POINTS 
TO THE  BRK  BYTE."PLUS TWO (LIKE A BRAN
CH), AND (II) THE."PROCESSOR STATUS REGI
STER ON THE STACK."HAS FLAG B SET TO 1. 
 IN CBM MACHINES,."THE NEW ADDRESS IS SH
ARED BY  THE  IRQ."SERVICE ROUTINE AND G
ENERALLY WITH THE."6502 MASKABLE INTERRU
PTS  ALWAYS  JUMP."TO ($FFFE); THE BREAK
 FLAG IS  A  SORT."OF DESIGNER'S PATCH S
O THAT BRK CAN BE."RECOGNIZED  AS  DIFFE
RENT  FROM  OTHER."INTERRUPTS.."."ZZZZZ.
....
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