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VINTAGE COMPUTING CHRISTMAS CHALLENGE 2024
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A size optimizing challenge, where you try to implement the given
shape (a Christmas Present) as short as possible. Moreover
you could get creative and implement some extended version.
The event was held online from 5th Decemember until 28th December.
More information can be found here: http://logiker.com/vccc2024
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The Christmas Present Challenge - Assembler
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1 Christmas Present (Amstrad CPC 6128/Z80 Assembler) by Longshot / Logon System........41
1 Christmas Present (Commodore C128/6502 Assembler) by GeirS...........................41
3 Christmas Present (Amstrad CPC/Z80 Assembler) by Overflow............................42
3 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by Dr Beep....................42
5 Christmas Present (Amstrad CPC/Z80 Assembler) by lightforce6128......................43
6 Christmas Present (Commodore C64/6502 Assembler ..) by Bitbreaker/Performers.........44
6 Christmas Present (MEGA65/4510 Assembler) by GeirS...................................44
8 Christmas Present (286 PC/Assembler) by pdw..........................................45
8 Christmas Present (Commodore C64/6502 Assembler) by serato / finnish gold............45
8 Christmas Present (Commodore C64/6502 Assembler) by GeirS............................45
11 Christmas Present (Amstrad CPC 6128/Z80 Assembler) by SymbiosiS......................46
11 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by Dalthon/Joker & Mat/ESI....46
13 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by UriS.......................47
13 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by Art-top....................47
15 Christmas Present (Commodore C64/6502 Assembler ..) by radek.........................50
16 Christmas Present (Amstrad CPC/Z80 Assembler) by Arnolde of Leosoft..................51
17 Christmas Present (Amstrad CPC 6128/MAXAM Z80 Assem..) by TFM of FutureSoft..........52
17 Christmas Present (PC/x86 Assembler) by Xeleh........................................52
17 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by mustardtiger...............52
20 Christmas Present (KC 85/4/Z80 Assembler) by dOc.K / Moods Plateau...................53
21 Christmas Present (Amstrad CPC 6128/Z80 Assembler) by Prodatron......................54
21 Christmas Present (Commodore C128/6502 Assembler) by STK.............................54
21 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by g0blinish..................54
24 Christmas Present (PC/Assembler) by iolo.............................................57
25 Christmas Present (Commodore C64/Assembler) by romwer................................58
25 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by spaceWumpus................58
27 Christmas Present (BBC Micro/6502 Assembler) by David Payne..........................60
27 Christmas Present (BK-0010.01/MACRO-11 assemb..) by Sergey Pavlov....................60
29 Christmas Present (Amstrad CPC/Z80 Assembler) by Gallegux............................62
29 Christmas Present (Atari XE/XL/6502 Assembler) by DMSC...............................62
29 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by matofesi...................62
32 Christmas Present (Amstrad CPC/Z80 Assembler) by Retropoke...........................63
33 Christmas Present (Amiga/Assembler) by Losso / AttentionWhore........................64
34 Christmas Present (Atari XL/XE/6502 Assembler ..) by Irgendwer.......................66
34 Christmas Present (CP/M-80/Assembler) by Prevtenet...................................66
36 Christmas Present (BBC Micro/6502 Assembler ..) by regregex..........................67
37 Christmas Present (Commodore C64/6502 Assembler ..) by Frostbyte of Artline Designs..68
38 Christmas Present (Atari XE/XL/6502 Assembler) by F#READY............................70
38 Christmas Present (CP/M/Z80 Assembler) by Povi.......................................70
38 Christmas Present (ZX Spectrum 48K/Z80 Assembler) by zoon............................70
41 Christmas Present (PC/8086 Assembler) by Harm Backer.................................72
42 Christmas Present (Commodore CBM/PET 80../6502 Assembler) by Kratznagel..............74
43 Christmas Present (Commodore 16/Plus4/Assembler) by Csabo............................75
44 Christmas Present (Commodore C64/6502 Assembler ..) by DnP...........................77
45 Christmas Present (BBC Micro/6502 Assembler ..) by Julie M...........................78
46 Christmas Present (Amiga/MC68000 Assembl..) by STI\SCA...............................80
47 Christmas Present (Atari XL/XE/6502 Assembler) by JAC!...............................83
47 Christmas Present (BK-0010/Assembler) by Terra.......................................83
47 Christmas Present (Commodore C64/Assembler CA65) by Ervin / Abaddon..................83
50 Christmas Present (VZ200/Z80 assembly) by Dave / Bushy555............................84
51 Christmas Present (Amstrad CPC/Z80 Assembler) by issalig.............................85
52 Christmas Present (Atari XE/XL/6502 Assembler ..) by Mira............................87
52 Christmas Present (Commodore C64/6502 Assembler) by Geehaf...........................87
52 Christmas Present (Commodore VIC-20/6502 Assembler) by Lechuck.......................87
55 Christmas Present (Enterprise 128/Z80 Assembler) by Geco.............................88
56 Christmas Present (Amiga 500/68000 Assembler) by Crumb...............................90
57 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by Red Zebra..................92
58 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by DarthNOdlehS...............93
59 Christmas Present (Camputers Lynx/Z80 assembly) by Dave / Bushy555...................94
60 Christmas Present (Jupiter Ace/Z80 assembly) by Dave / Bushy555......................95
60 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by diecarro...................95
62 Christmas Present (Sinclair ZX Spectrum/Z80 Assembler) by ValeriiBondar..............96
63 Christmas Present (Commodore C64/6502 Assembler) by JoeyC64..........................99
64 Christmas Present (PC/Assembler) by spark2k06.......................................100
64 Christmas Present (PDP11 RT11/PDP11 Assembler) by Jonathan Harston..................100
66 Christmas Present (LASER500/Z80 assembly) by Dave / Bushy555........................103
66 Christmas Present (PC/Turbo Assembler..) by izne....................................103
68 Christmas Present (Aquarius/Z80 assembly) by Dave / Bushy555........................106
69 Christmas Present (Amstrad CPC/CP/M 8080 Assem..) by DrSnuggles.....................110
69 Christmas Present (Amstrad CPC/Z80 Assembler) by DrSnuggles.........................110
69 Christmas Present (Commodore C64/6502 Assembler) by Michael Doornbos................110
72 Christmas Present (Sam Coupe/Z80 Assembler) by Dave / Bushy555......................111
73 Christmas Present (Commodore C64/6502 Assembler) by WarrenM.........................117
73 Christmas Present (Commodore C64/6502 Assembler) by DDT.............................117
73 Christmas Present (TRS80 model 4/Z80 assembly) by Dave / Bushy555...................117
76 Christmas Present (Microbee32/Z80 assembly) by Dave / Bushy555......................118
77 Christmas Present (Timex Sinclair 2068/Z80 Assembler) by TS2068_FAN.................120
78 Christmas Present (TRS80 model 1/Z80 assembly) by Dave / Bushy555...................121
79 Christmas Present (Commodore C64/Assembler) by Codey................................122
80 Christmas Present (Commodore VIC-20/6502 Assembler) by FaiRLane.....................125
80 Christmas Present (PDP11 Unix/PDP11 Assembler) by Jonathan Harston..................125
82 Christmas Present (Lambda 8300/Z80 Assembler) by Dave / Bushy555....................127
83 Christmas Present (6809 SBC/6809 Assembler) by izne.................................134
84 Christmas Present (Apple II/6502 Assembler ..) by circfruit.........................146
85 Christmas Present (ORIC 1/6502 Assembler) by ebrelion...............................172
86 Christmas Present (Commodore C64/Assembler) by Martin Piper.........................387
The Christmas Present Challenge - BASIC
---------------------------------------
1 Christmas Present (BBC Micro/BBC BASIC) by David Payne...............................53
2 Christmas Present (ZX Spectrum Next/Next BASIC) by matalog...........................64
3 Christmas Present (BBC Micro/BASIC V2) by Flaxcottage................................66
4 Christmas Present (BBC Micro/BBC BASIC) by serato / finnish gold.....................68
5 Christmas Present (Acorn BBC Micro/BBC BASIC 2) by BaZ4096...........................72
5 Christmas Present (BBC Micro/BASIC) by Dominic Beesley...............................72
7 Christmas Present (BBC Micro/BBC BASIC) by BeebMaster................................73
8 Christmas Present (Atari XE/XL/FastBasic) by DMSC....................................74
9 Christmas Present (Commodore C128/BASIC V7.0) by STK.................................76
10 Christmas Present (Commodore C64/BASIC V2) by serato / finnish gold(*)...............77
11 Christmas Present (Commodore C64/BASIC V2) by AdamM..................................78
12 Christmas Present (any/BBC BASIC) by Jonathan Harston................................79
13 Christmas Present (Commodore C64/BASIC V2) by Logiker................................80
13 Christmas Present (Commodore C65/BASIC V10) by FeCO..................................80
15 Christmas Present (Atari XE/XL/FASTBASIC) by Preppie.................................81
16 Christmas Present (BBC Micro/BBC BASIC) by iamsi.....................................83
16 Christmas Present (Commodore 16/Plus4/BASIC V3.5) by FeCO............................83
18 Christmas Present (Atari XE/XL/Turbo-BASIC XL) by OxC0FFEE...........................85
19 Christmas Present (Acorn Archimedes/BBC BASIC) by Cruxinc............................86
19 Christmas Present (Commodore CBM/PET 80../BASIC V4.0) by Kratznagel..................86
21 Christmas Present (BBC Micro/BASIC) by regregex......................................87
21 Christmas Present (Commodore C64/BASIC V2) by CLuB77.................................87
21 Christmas Present (Matra-Hachette Alice../BASIC) by paspeur..........................87
24 Christmas Present (Commodore C64/BASIC V2) by ceptimus...............................88
24 Christmas Present (Sinclair QL/SuperBASIC) by badaman................................88
26 Christmas Present (Amstrad CPC/Locomotive BASI..) by Logiker.........................90
26 Christmas Present (PC/GW-BASIC) by Povi..............................................90
28 Christmas Present (Sinclair QL/SuperBasic) by javu61.................................91
29 Christmas Present (BBC Micro Model A or../BBC BASIC) by Jonnno.......................92
30 Christmas Present (Amstrad CPC/Locomotive BASIC) by Azicuetano(*)....................93
30 Christmas Present (Boscoop Aircomp 16 (../Homelab BASIC v..) by FeCO.................93
32 Christmas Present (any/BBC BASIC) by Jonathan Harston................................94
32 Christmas Present (Sinclair ZX Spectrum/BASIC) by Art-top............................94
34 Christmas Present (Commodore C64/BASIC V2) by Korodny................................95
34 Christmas Present (Commodore C64/BASIC V2) by Patrice Carré..........................95
36 Christmas Present (Atari XE/XL/BASIC) by Preppie.....................................96
36 Christmas Present (Atari XE/XL/Turbo-BASIC XL) by JAC!...............................96
38 Christmas Present (Amstrad CPC/Locomotive BASI..) by Arnolde of Leosoft..............97
38 Christmas Present (Commodore C128/BASIC V7.0) by TiGeR1x.............................97
38 Christmas Present (Commodore C64/BASIC V2) by Gray Defender..........................97
41 Christmas Present (MSX/MSX BASIC 1.0) by anderszapac.................................98
41 Christmas Present (Sinclair ZX Spectrum/BASIC) by UriS...............................98
43 Christmas Present (Atari XL/XE/Atari BASIC) by ivop.................................100
44 Christmas Present (Sinclair ZX Spectrum/Sinclair BASIC) by Manzolli.................102
44 Christmas Present (Sinclair ZX Spectrum/BASIC) by Marco's Retrobits.................102
46 Christmas Present (Mattel Aquarius/BASIC) by LoudScotsBloke.........................103
47 Christmas Present (Ohio Scientific/BASIC) by ivop...................................105
48 Christmas Present (Microkey Primo B32/Primo BASIC sys..) by FeCO....................108
49 Christmas Present (Amstrad CPC/Locomotive BASIC) by lightforce6128..................114
50 Christmas Present (Amstrad CPC/Locomotive BASIC) by issalig.........................115
51 Christmas Present (Commodore C64/BASIC V2) by fieserWolF............................117
52 Christmas Present (Atari XE/XL/BASIC) by slx........................................119
53 Christmas Present (Atari XL/XE/Turbo-BASIC XL) by Irgendwer.........................120
54 Christmas Present (Commodore C64/BASIC V2) by Goodwell..............................121
55 Christmas Present (VZ200/BASIC) by Dave / Bushy555..................................122
56 Christmas Present (Commodore C64/BASIC V2) by BYTEBLADE.............................123
57 Christmas Present (Atari XE/XL/Turbo-BASIC XL) by DonkeyKongVet.....................126
58 Christmas Present (Amstrad CPC/Locomotive BASI..) by DrSnuggles.....................127
58 Christmas Present (Enterprise EP64 / EP../IS-BASIC) by FeCO.........................127
60 Christmas Present (Amstrad CPC/Locomotive BASIC) by Zima............................128
60 Christmas Present (Commodore C64/BASIC V2) by Ervin / Abaddon.......................128
62 Christmas Present (Amstrad CPC/Locomotive BASIC) by Retropoke.......................131
62 Christmas Present (Videoton TV-Computer../TVC BASIC 2.2) by FeCO....................131
64 Christmas Present (Commodore 16/Plus4/BASIC V3.5) by ergoGnomik.....................139
65 Christmas Present (Commodore VIC-20/BASIC V2) by anderszapac........................146
66 Christmas Present (Sinclair ZX Spectrum/BASIC) by DarthNOdlehS......................147
67 Christmas Present (Apple II/AppleSoft Basic) by DaSpider............................149
68 Christmas Present (Sinclair ZX Spectrum/ZXBASIC) by javu61..........................153
69 Christmas Present (BK-0010.01/BASIC) by Terra.......................................164
70 Christmas Present (Sinclair ZX81/ZX81 BASIC) by Steven Reid.........................168
71 Christmas Present (Thomson MO5/BASIC v1) by sporniket...............................201
72 Christmas Present (Amstrad CPC/Locomotive BASIC) by zombieprozess...................203
73 Christmas Present (Sinclair QL/SuperBasic) by Alvaro Alea...........................205
74 Christmas Present (Sinclair ZX Spectrum/Sinclair Basic ..) by Frank Breuer..........208
75 Christmas Present (Commodore C64/BASIC V2) by JoeyC64...............................218
76 Christmas Present (Apple II/Applesoft BASIC) by BillM...............................222
77 Christmas Present (TI-99/4A/TI Extended BAS..) by anderszapac.......................223
78 Christmas Present (Commodore Plus/4/BASIC V3.5) by George's Channel.................235
79 Christmas Present (Commodore VIC-20/BASIC V2) by JavaJack...........................266
80 Christmas Present (Enterprise 64/128/IS-Basic v2.1) by SlashNet.....................299
81 Christmas Present (Atari XE/XL/Turbo-BASIC XL) by TGB1718...........................314
82 Christmas Present (Amstrad CPC/Locomotive BASIC) by Pararaum/T7D....................407
83 Christmas Present (Atari XE/XL/BASIC) by skr........................................990
(*)...filesize fixed after presentation
The Christmas Present Challenge - Other
---------------------------------------
1 Christmas Present (PC/APL) by Logiker................................................34
2 Christmas Present (IBM 5110/APL) by pdw..............................................40
3 Christmas Present (PC/Python) by Logiker.............................................57
4 Christmas Present (Commodore SuperPET/APL) by solarbreeze............................63
5 Christmas Present (Pico-8/Lua) by ace-dent...........................................66
6 Christmas Present (Commodore C64/APL) by solarbreeze.................................70
6 Christmas Present (PC (modern)/Ruby 3.3.6) by Jinks@retrowiki........................70
8 Christmas Present (PC/Python 2) by STK...............................................73
9 Christmas Present (nano JAMMER/nano programmin..) by pépé............................75
10 Christmas Present (PC/Python) by djcullen............................................76
11 Christmas Present (PC/Python) by DaSpider............................................79
12 Christmas Present (PC/Python) by raul76..............................................85
13 Christmas Present (Jupiter Ace (3k RAM)/Forth) by UriS...............................95
13 Christmas Present (PC/C) by Sergey Pavlov............................................95
15 Christmas Present (PC/PHP) by Art-top................................................97
16 Christmas Present (TI-59 + PC100C/TI-59 keystroke) by Dirk..........................101
17 Christmas Present (Atari XE/XL/Display List) by Ken Jennings........................118
18 Christmas Present (Atari 400/800/XL/XE,../Meta) by Kaj de Vos.......................139
19 Christmas Present (Atari XE/XL/Action!) by slx......................................144
20 Christmas Present (Atari XE/XL/Forth) by Mira.......................................147
21 Christmas Present (x86+PHP/PHP8) by moroz1999.......................................167
22 Christmas Present (Jupiter Ace/Forth) by Georgeo....................................177
23 Christmas Present (PC/Sphinx C--) by izne...........................................190
24 Christmas Present (Tic-80/Fennel) by zombieprozess..................................197
25 Christmas Present (Atari XE/XL/LOGO (Atari LOG..) by slx............................203
26 Christmas Present (Atari XE/XL/Atari Logo) by Mira..................................207
27 Christmas Present (Microsoft SQL Server../SQL (Microsoft)) by Michal Wrobel.........212
28 Christmas Present (Any RP2350 board (e.../zeptoforth) by Travis Bemann..............214
29 Christmas Present (PC/Python) by Kartoffel54........................................288
30 Christmas Present (PC/ELISP) by circfruit...........................................505
31 Christmas Present (Apple II/cc65) by circfruit......................................512
32 Christmas Present (Apple II/Lisp) by circfruit......................................552
Wild
----
1 vc3snake_C64 by ceptimus
2 K2024 by Retropoke
Atari Christmas Eye Candy Upgraded by Ken Jennings
VZ/Laser Christmas Present by Dave / Bushy555
Pressie by ace-dent
3 Spec-wild by Dr Beep
Greetings from Sector 42 by DrSnuggles
Artsy JScript by zombieprozess
Christmas_xxiv by <DarthNOdlehS>
VIC Package Tree Star by anderszapac
Merry Rectangular Xmas by Mira
The Spectrum Present (Wild) by Marco's Retrobits
Christmas Vectors by Kratznagel
Christmas Present by ZapataPhD
Post compo
----------
The post compo allows to add entries after the compo for perfection
and archiving purpose. These entries will be listed separately.