Program which tests every number from 2 to 0/0 for the collatz conjecture(yes, I know we already proved up to 2^68).
Makes a sound if the number does follow the conjecture.
To the right is the number it is testing, and to the left is the operation results.
Saves the results to a file.
And I didn't try to make memory efficient.
Fixed producing negative numbers.
Without the fix.
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INSTRUCTION:
press X to fire
[0.1]---------------
intial version
[0.2]---------------
update sfx, stars gfx, sprites
[0.3]----------------
-update player, aliens sprites
-update camera shake FX, aliens explosion fx
0 comments
The value for the compressed code size of a cart can apparently overflow back to 0, making PICO-8 think the cart can be exported when it's really too big. Exporting the cartridge will appear to work, but running the export will result in a frozen screen.
For example:
Create a cart with this code
images = {
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▒mミアネモッフrもI□にRムu ヌ。E⁴ソᶠろkウ$ G★ユヒ\\$…ノ❎▒○h2rヌq▮X✽N▒る⁙웃✽ h░Kっ。q□eへ9Bん<み▤⧗⬅️`fむタ⁴<ホ\rムヒたら⬅️タそ❎▤クEサうT😐☉N9█q□\t ヌMアYわX:█9&∧&りエᵇエな▒n$チ$♪%@ち웃ニ@⬇️✽\t、っqV@ロRケチ+⬇️●う▮rN*B.░サn%➡️るI4むケX◆ゅaQく⁷▮☉⁶ICケめI!vなNlキBわ[#そ🐱わHぬうトてツさうス⬅️せ⁶4もRq⁘クh8i$Eう²IQ²▮)6●)⁙ウ²Hネみ、['ᵉ%ネ웃‖\rまも@bm²jロッ♥!\\[⁴ス🅾️x➡️\rら\t!)く:…◀るq\"Bさ●DAゃさへり\n$♪ツ'ホ\tumdのみのた3D$'ニjdAアH□'⁘q■e」g\tりKシ\rdもcなか♥]qり⁵モ#もも8⧗hぬ☉H➡️⁴タ⁴🐱まDく'`⁴メ\\\\∧ケヌ+きD░█ヒyろえpチモ93と⬅️うtI웃⁴⬆️(#へ$。ら²!8りソ「⧗●▤す$⁙イ★CシᵉンヌンPIᵉuヌqアPY4Y:ケ❎³ヨ★\"」,まウ\nオ] ♪Qケ♪さRっp$を>Rᵉゆ░L▶@░Gニ@░Bリ☉なふP▥…✽$ヒく、R$Iろ░…⬆️>タ`A☉/h★H-░…웃⧗░\r0ヌ@ヌ\"▒%うqけIカハ,5⬅️m⧗#ス♪ヒ…▮ュ➡️れdさッアら웃⁴うH⬅️b\t」\"p,ニJ…⬆️テゃ▮…I³え\"Kヲ、`…•A*³IdˇyK◀q⁸\"「PMろFBゅヌRHモdもた%∧9D、NDゃ*$っ😐★I\"☉$웃a▮し\nょ!⁘D…⬆️*ろたら웃!8ニb➡️t8%∧➡️Dネテ`G□I)みD🅾️8웃ᵉ∧ゅ)😐セ!*➡️\"B'³H!#🅾️まスIケ✽e➡️²A⧗⬅️u●ねb⁵I8░░…<*DTn&=😐\t、き⌂I*pI9∧K⁶Iく$JJっ♪$◆oJカ□\t2H➡️x]ツT4のᵇ*ヨBさヒ□MょラC☉w:Dと▶▒9と9/▮웃★⁸…ヌ⁸モ!ろはモ/Nみう,⧗🅾️▶⁙お⁶🅾️ぬニ9✽のG0□□⁙ヤ/⁘3웃!8BナDv★IハEチ\"Bむkム|tテヨケIタ$웃わ❎웃る◜L☉。^$!'BS@uウモて+g▮\"⁸♪ろ…8➡️dめソ★し:■3☉ャ웃fなえ8えしHラ。モ=UみGt³$♪DキIエ2(⬆️CF\0B■。゛セ#なw\r\"pN3yg=ᵉ8フほᶜリ🅾️$G7ユホウej¹Vろ웃:さふキ9▒\\tヌsx\"u!■まBモ▮8[\tほう\"#█ネテヲ✽★&たbウ⧗(Gも⁵█∧¥■Zらなヲn⁸h8☉ホ⁷;mうDキ\0⬆️‖んᵇ4G1}q:。[しあウ\\p★ホケク…^Sqf★あq:░☉⧗⌂とm★yむは!アヌB‖\\゜eネ⬅️さpヒ웃+웃r8⬅️CidモリF⁷、I⁵░CろコlIvほ9⬇️`Nセヌ%ト9もゃ□■eN=t◆ウノ@\tア'‖そツ\"\n◀さ⬆️█dくヲテvN)\"Zひナた*K'。✽✽ワ。9チ⁸▶♥ᵇ,ラモ)l⁸Bソ▒Wなえiᵇᵉキ8N*q\\C🅾️CdC☉▒#Kミヲめんᵇ█とkゆ7テsツえッxサ■タ⬇️8…Csれ▒ᶠコれお5ゃ6*C░Eヘナᵉˇらメksxぬサ□\r\tイ▤◀¥▒そ9あユh~rmへ★☉~2⁘AンvきL★に\"\n。モ!\t\"D⬆️ᵇR³\nの⁸~Yち\"しCミ#きツE゛ヨ\"。1⬆️★\t⁴●8の¥🅾️▶レた,B ?ᵇ⁴BOゅ\0YRれ¹#◆⁸⁴@1わ➡️#⁴9🐱□◀\"り⁵\t゜と@$³☉⬅️ケ&H#⧗uん⁵$スY▶らヌH★ル♪ ♥まヌ$ ☉こロKムᵉ²I:Mオ⁵yるく¹け¹i4◀I⁙っs<ノいi゜ムNてD$8☉ヌq-✽<➡️⁴2⁴➡️\\p;▒んzンj8もh◆ネホ ⁴Bz⬅️ワ]むュ`⬅️\"ろっE▒」□^THUオCq8ヌC🐱(ッG:gQ⁶てヒ⁙、\t\"~‖ケたらヒA◀⁷R□゜Bnあ$░ュ$u⁷キ⬆️◀Bキsろい▤のや◆。\0キBq')ケゃaツ⁙ミサハく゜ちゅ…@C░ミ❎⁷ゆ/v❎ネねうマノ★$くチ▮しIg、&★GネRウさ█✽ˇケ#♥てN)?う░B:⁷⁙Bなこ🐱サニl$}6う['\n、⬅️$➡️エi$Nシと9モ■!ᶜ*IR…🅾️{s▮か▒に⁵は⌂へD;Bみリ░カ¹5★D★8な#✽ネ▥⁘H¥-ヒ★Eそ★ A8▤X ノ\nえ[つさ…nM)l☉8⁸キGもンノへ⁷ᵉ&➡️{\\⁴ヌZ▤☉🅾️d🐱゛、XsわもVZ⁙p…@⁵★}Vモワ]Iわちリ♪くゃ-L★◀ヘ'⁴ぬz⬇️Qキ8ネ-~qRさˇˇQ+Aき⬇️6Nクモmる$n□ろD♥0Dけロw\n…A⁶bQん゛9Wzしˇ$K¥Dw#▤クウg✽🅾️8マセ'U‖ん\nそ★。★'‖⁸@おうQ]■8Iま\t\nカ⁴る✽\r$sレヨ#rマせ~$きニシ.i♥▮Zう⬅️$#<…え@ヘヒAGWわuみし?¹キH█j]オニ*x\\4いEニᵉ,ょN▮I▤&➡️P(…Rユcイ{qyF●✽ˇり✽웃▥イIソmdpよwjKう,★B\t\t▮チD░▶おb'Pおう\0ナMアqy♥*%²\\HHつ)えNJうミVDンM`⁷ニ★テて\\pw!カu█な\r\\G¹I、W\nYキミヤ。、レフ 、9\"\"…I*\"\0▮ K\n[ᵉS▒わqねH▮ᵉ@ゅた\";ゃo\\^6▮ルQnL⌂゛Bsᵇくゃわ、モ\tyW□08@⬅️エニIk;rょ$の'⁙1ᶜ\"k あ•³qと⬆️サ「んKうDRゅヌきナのrK/+さ▥しキEっ;、$BRモヒやs/□\rケ)hミbわ\0",
[ [size=16][color=#ffaabb] [ Continue Reading.. ] [/color][/size] ](/bbs/?pid=124261#p) |
1 comment
Video of the gameplay
Version Update
Version 1.2
- Improved Gameplay
Version 1.1
- New Label
- Improved Gameplay
- Change of Controls
- Improved Graphics
- New End of Game
- Improved code
Thanks to Freds72 and Heracleum for all the great suggestions.
Background of Operation Pico
Operation Pico is based on an old favourite of mine, Operation Wolf first released in 1987. I enjoyed playing it at my local arcades and on my ZX Spectrum 128k with the best of gameplay on my great Commodore Amiga 500.
In Operation Pico there are six stages and 3 levels of gameplay to sink your teeth into.
14 comments
Controls
🖱️ to move
❎ to click
Explaination
"Go-Go Garden" is a game with only a few minutes of cute and charming gameplay each day. From day to day you can:
-Water your plants to ensure they grow the next day!
-Play with your plants (just tap them and you'll understand)...
-Buy and sell plants to save up for your perfect garden!
If you miss a day then don't worry! I'll make sure your plants don't die for you.
Behind The Scenes
The original 8 plants and game were made in three days, to see what I could do in just three days. I've wanted to make a virtual pet game for about a month now, but I was pushed over the edge by this art by @R3DZ3R_Florie on twitter:
17 comments
I was making a tool to help me make the font for my game and I decided to share it.
I think this is pretty much finalized... you put your font in the sprite sheet as normal like @zep's #font_snippet I took some code from,
X to save Z to swap to the adjusting view where you can nudge around each character by selecting with X.
Then when you save it exports it to clipboard as a binary string with characters 0..15 escapecoded out. It also saves it to memory in the top of the sheet so if you do it locally it'll save your progress for later.
I got rid of the extra encoding stuff cause it wasn't really helpful. now ecodes it properly and stuff.
Just paste the string copied to clipboard in your cart and your good to go. (Of course in puny mode)
1 comment
CONTROLS
X-Inventory
Up/Down/Right/Left Arrows- Movement
HISTORY
It is a roguelike, your mission will be to rescue the maiden who is at the top of the tower. But you must be careful! Because in each room there will be monsters lurking, although you can defend yourself with the weapons and equipment you find, just as you can heal yourself with the food you find; Although the latter can have both positive and negative effects. So be careful and go into the little adventure, and try if you can save the maiden.
This game was created thanks to the "Porklike tutorial" from Lazy Dev Academy. thank you very much @Kristman
- Code template by Krystman
21 comments
Pitfall 2: Lost Caverns
Controls
In-game
Directions: Move Harry
O/X buttons: Jump
Menus
Directions: Move cursor
O button: Confirm
X button: Back
Hello everybody!
I am pretty new on the forum, but I'm not new to programming on Lua game engine.
I got the Pico8 to spare some of my time into game programming, even if it's not my main activity.
So far, I only did a couple of little incomplete games that are not worth sharing here, but as a challenge last year, after doing my own conversion of the classic game Pitfall (that is not worth sharing here neither), I decided to do a conversion of Pitfall 2, as the original game was more ambitious, with more gameplay variety and an iconic music track.
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"Hide and Seek" is essentially a more retro version of an RPG maker horror game, including the setting being a high school in a vaguely anime-esque location.
It was designed to be played in one setting, but also has 2 endings, so I put in an option in the pause menu to skip to the branching part, which is about halfway through. The text can be gotten through pretty quickly if you keep pressing x or o, though. Also, on death, the player character is just placed at the entrance of the school with all progress still saved. I felt setting the player back at all wouldn't really be a good idea under the given constraints.
This is a port of my entry to the 4th Nokia phone jam last year. It's one of a couple games I've made in silly ways that I've been thinking would make more sense in pico-8, but that I wasn't sure until recently how to actually fit into pico-8's restrictions. The idea is that most of the entries were going to be light arcade-y stuff, so I felt like doing the polar opposite. I considered including more of the originally planned content that was cut during the jam, but I was already having trouble with how to fit all the images, so I decided not to. However, I did add a few quality of life stuff and rearrange the text to be easier to read.
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This a little demake of Snake II from Nokia 1100. I wanted to implement some fancy features of the original game but that I hardly find in the clones (and know I can see why). I hope you like it, and thanks for playing!
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12Jan23 today i learnt..
1st i edit Nerdy teacher Fruit picker and added 3 framesprite for the player
2nd i added sound when the fruit go inside basket
3rd i added laser to shoot the fruit from Lazy GameDev
4th added laser and animated sprite accompanied the main sprite from Lazy GameDev shmup tutorials
5th i lost all the fruits....
will continue experimenting
Want
-the fruit to comeback
-maybe edit background
thx
why i pressed Esc button after testing this on the website...
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hi there
i'm very new to Pico8 and just started editing games
How do i add sfx sounds whenever colliding with object? i'm editing fruit drop from Nerdy Teachers, and want to add soundfx when the fruit hit the basket,..
do i have to put the sfx(0) in the
update _init()
update _update()
update _draw()
?
thank you
edit: i manage to trigger soundfx after pasted the soundx(0) before del(fruits,fruit) in the function update
but it seems theres only 1 fruit drop....still figuring out..tq
basket_sprite=1
player_sprite=2
player_x=64
player_y=100
fruits={}
fruit_start=16
fruit_count=6
fruit_interval=16
gravity=1
level=1
points=0
function _init()
for i=1,level do
fruit={
sprite=flr(rnd(fruit_count)+fruit_start),
x=flr(rnd(120)+5),
y=i*(-fruit_interval)
}
add(fruits,fruit)
end
function _init()
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I'll go ahead an @zep this, since it's something that isn't even addressed in the forum rules as far as I can tell.
1.Is it okay to post a cartridge that has full screen realistic-ish graphic violence of a disturbing nature?
2.Also, is it okay for a posted cartridge to have implied nudity in the form of a stick figure outline with hair and 2 dots for eyes, with no sexual overtones?
3.If not, what would be the best way give access to such a cartridge without posting it?
My general opinion on content restrictions is that any type of game that isn't intentionally spreading harmful misinformation or inciting real life violence should be okay to make, but that they should only be distributed through channels that reasonably ensure the recipients actually want and are allowed to have the kind of content being portrayed. This is relevant, because posting here in the forums also means giving access to any younger game dev students that might be learning through pico-8. Further, I haven't seen any way to block the posting of games to Splore nor any way to even make it clear how mature of content a game has.
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I keep running into scenarios where knowing what algorithm pico-8 uses for random number generation would come in handy. Does anyone know what it is or how to get that info? Thanks!
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I'm currently attempting to port a game from a very silly game jam to pico-8, since I feel like it'd fit better for the most part. However, while debugging I've discovered that all my images are being handled very slightly wrong.
The images in question are black and white, using every 4 bits to store 4 pixels, and they're loaded into data carts by copying strings of hexadecimal into pico-8 (the idea being to simplify the entire process by focusing on 1 hexadecimal digit as the base block of data). To then reduce the data size, any characters that are "0" or "F" (all white or a black pixels) is encoded with a runtime length using the next 8 bits.
The problem is that both the parts that draw the images and the parts that sample the images for use in collision detection are shifted 4 pixels to the left (wrapping).
This is the function that decodes them:
function image_load(addr, len)
local im = {}
local s = ""
for i=addr,addr+len-1 do
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