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

DEMO1

FILE INFORMATION

FILENAME(S): DEMO1

FILE TYPE(S): PRG

FILE SIZE: 485b

FIRST SEEN: 2025-11-30 16:10:30

APPEARS ON: 2 disk(s)

FILE HASH

09a6b77e56c23748a3dba39860fd002769783d3442a19fbdbf2dd09568830071

FOUND ON DISKS (2 DISKS)

DISK TITLE FILENAME FILE TYPE COLLECTION TRACK SECTOR ACTIONS
CDU DECEMBER 89 DEMO1 PRG BrainSkull, Sammlung, UK CD 31 0 DOWNLOAD FILE
CDU DECEMBER 89 DEMO1 PRG Xii 31 0 DOWNLOAD FILE

FILE CONTENT & ANALYSIS

> DETECTED: COMMODORE BASIC PROGRAM (LOAD ADDRESS $0801)

00000000: 01 08 07 08 0A 00 D9 00  2F 08 14 00 99 22 93 50  |......../....".P|
00000010: 55 4C 53 45 20 57 49 44  54 48 20 53 57 45 45 50  |ULSE WIDTH SWEEP|
00000020: 20 44 45 4D 4F 4E 53 54  52 41 54 49 4F 4E 22 00  | DEMONSTRATION".|
00000030: 5D 08 15 00 99 22 11 54  52 59 20 53 4D 41 4C 4C  |]....".TRY SMALL|
00000040: 20 53 54 45 50 20 53 49  5A 45 53 20 46 4F 52 20  | STEP SIZES FOR |
00000050: 42 45 53 54 20 52 45 53  55 4C 54 53 22 00 8C 08  |BEST RESULTS"...|
00000060: 17 00 99 22 11 11 54 48  49 53 20 55 53 45 53 20  |..."..THIS USES |
00000070: 54 48 52 45 45 20 56 4F  49 43 45 53 20 57 49 54  |THREE VOICES WIT|
00000080: 48 20 41 20 53 4C 49 47  48 54 20 22 00 B1 08 18  |H A SLIGHT "....|
00000090: 00 99 22 50 49 54 43 48  20 44 49 46 46 45 52 45  |.."PITCH DIFFERE|
000000A0: 4E 43 45 20 42 45 54 57  45 45 4E 20 54 48 45 4D  |NCE BETWEEN THEM|
000000B0: 22 00 D4 08 19 00 99 22  11 11 48 4F 4C 44 20 53  |"......"..HOLD S|
000000C0: 50 41 43 45 20 42 41 52  20 54 4F 20 52 45 53 54  |PACE BAR TO REST|
000000D0: 41 52 54 22 00 DE 08 1A  00 99 22 11 11 22 00 F2  |ART"......".."..|
000000E0: 08 1E 00 85 22 53 54 45  50 20 53 49 5A 45 22 3B  |...."STEP SIZE";|
000000F0: 53 50 00 01 09 28 00 8B  53 50 B3 31 A7 3A 89 32  |SP...(..SP.1.:.2|
00000100: 30 00 16 09 32 00 85 22  11 46 52 45 51 55 45 4E  |0...2..".FREQUEN|
00000110: 43 59 22 3B 46 51 00 27  09 3C 00 8B 46 51 B3 33  |CY";FQ.'.<..FQ.3|
00000120: 30 30 A7 3A 89 35 30 00  2F 09 46 00 CC 31 35 00  |00.:.50./.F..15.|
00000130: 44 09 50 00 81 49 B2 31  A4 33 3A CF 20 49 2C 39  |D.P..I.1.3:. I,9|
00000140: 2C 32 34 30 00 4F 09 5A  00 D0 20 49 2C 36 35 00  |,240.O.Z.. I,65.|
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00000170: 46 51 AB 33 30 00 8C 09  78 00 8F 20 53 57 45 45  |FQ.30...x.. SWEE|
00000180: 50 20 50 55 4C 53 45 20  57 41 56 45 00 A2 09 82  |P PULSE WAVE....|
00000190: 00 81 20 49 B2 31 20 A4  20 34 30 39 36 20 A9 20  |.. I.1 . 4096 . |
000001A0: 53 50 00 AD 09 8C 00 81  56 B2 31 A4 33 00 B7 09  |SP......V.1.3...|
000001B0: 96 00 D4 20 56 2C 49 00  BE 09 A0 00 82 56 00 D2  |... V,I......V..|
000001C0: 09 AA 00 A1 41 24 3A 8B  41 24 B2 C7 28 33 32 29  |....A$:.A$..(32)|
000001D0: A7 8A 00 D9 09 B4 00 82  49 00 E2 09 BE 00 89 31  |........I......1|
000001E0: 33 30 00 00 00                                    |30...           |

......Y./....".PULSE WIDTH SWEEP DEMONST
RATION".]....".TRY SMALL STEP SIZES FOR 
BEST RESULTS"......"..THIS USES THREE VO
ICES WITH A SLIGHT "......"PITCH DIFFERE
NCE BETWEEN THEM".T...."..HOLD SPACE BAR
 TO RESTART"......".."......"STEP SIZE";
SP...(..SP.1.:.20...2..".FREQUENCY";FQ.'
.<..FQ.300.:.50./.F.L15.D.P..I.1.3:O I,9
,240.O.Z.P I,65.V.D..I.U.N.R 1,FQ:R 2,FQ
.30:R 3,FQ.30...X.. SWEEP PULSE WAVE....
.. I.1 . 4096 . SP......V.1.3.....T V,I.
.. ..V.R....A$:.A$.G(32)...Y....I......1
30...
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