I Made Fruit Ninja Into a REAL 8-Bit NES Game

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I recreated Fruit Ninja as a real 48KB NES program, fully compatible with the NES Zapper. Using 6502 assembly, I cover some solutions to the constraints of the Nintendo Entertainment System, including the limitation of 64 sprites, 4 color palettes, and background creation. Also covered is a deep dive into how the NES Zapper works and how I implement it into my program. Fruit Shinobi is available to download now to run on the NES, Famicom, or your favorite emulator.
Try it for yourself at: notin.tokyo/fruit
Relevant NESdev page:
www.nesdev.org/wiki/Zapper
How the Nes Zapper in FCEUX
github.com/TASEmulators/fceux...
Other Interesting NES forum discussions I found:
archive.nes.science/nesdev-fo...
archive.nes.science/nesdev-fo...
Zap Ruder in particular is interesting as it does a real time calculation of where the zapper is looking on the screen, turning it into a fairly accurate cursor.
pineight.com/nes/#ruder
Disclaimer:
The game "Fruit Shinobi" is a unique title. The story, all names, characters, and incidents portrayed in this production are fictitious. No identification with other games (living or deceased), places, buildings, and products is intended or should be inferred.
No fruit was harmed in the making of this game.

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Опубликовано:

16 фев 2023

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Комментарии : 499

@HalfbrickStudios 9 месяцев назад

This is awesome! Our Fruit Ninja devs love it and give it a huge thumbs up!🥷

@anjaney_7963 9 месяцев назад

20 likes and no replies?Here I am Halfbrick

@ManoCj_2 9 месяцев назад

9+10?

@CurlyChop 8 месяцев назад

I love your games so much! Recently started obsessively playing Jetpack Joyride, Dan the Man and Fruit Ninja classic again recently lol

@NaraSherko 8 месяцев назад

IS THAT THE REAL DEVS?!

@Mainyehc 8 месяцев назад

Damn, you should do a licensing partnership and sell actual cartridges! I’d buy one if I had (or get…?) a light gun… 🙃

@plumjet0930 Год назад

Looks great but your orange sprite looks like a chocolate chip cookie.

@fatyoshi156 Год назад

I agree

@that1bushy 11 месяцев назад

Cookie Fruit confirmed. Illuminati.

@thedude15-sm2zu 11 месяцев назад

Guys, this is the NES. Give him a break.

@solarflare9078 11 месяцев назад

“THIS… LOOKS LIKE… A FOCKIN… CHOCOLATE CHIP COOKIE!”

@solarflare9078 11 месяцев назад

In all seriousness, I don’t think good looking oranges are really all that possible. The oranges in PAC-Man, even in the arcade game, didn’t look all that better

@8088mph 11 месяцев назад

FINALLY, SOMEONE who doesn't do that "So Retro" art style that everybody is getting tired of, and attributing it as a "NES game"

@tammid8423 11 месяцев назад

Hell, sometimes it straight up looks like an early SNES or even a 32X or PS1 game like just cut the bullshit 💀

@PKSuperStar256 11 месяцев назад

@@tammid8423, even though I plan on not using older technology, I want to try to use very limited colors when I make my game.

@tammid8423 11 месяцев назад

@@PKSuperStar256 based

@PKSuperStar256 11 месяцев назад

@@tammid8423, thanks.

@yoshicakes 11 месяцев назад

FRFR idc if i sound like s nerd

@therealohead 11 месяцев назад

1:20 It's worth noting that Kirby's Adventure actually used 8x16 sprites for Kirby, so he only consisted of 2 sprites (when he wasn't puffed up, in which case he uses 6)

@lurkathon 10 месяцев назад

im pretty sure thats kirbys dream land, not adventure

@therealohead 10 месяцев назад

@lurkathon I tested it in an emulator, this is the case for Adventure

@lurkathon 10 месяцев назад

@@therealohead ok

@Nikku4211 Год назад

Really cool clone. It's like Fruit Ninja was meant to be a light gun game. One problem, as the game requires a CRT to play with an actual light gun controller, the HUD elements are too close to the edge of the screen, meaning they will be cut off on most NTSC CRTs.

@DaMu24 Год назад

Yeah, even in the original Duck Hunt, the score and ammo UI have a border and some padding from the edge around the elements. Shouldn't be too hard to do something similar for Fruit Shinobi's score and life counter.

@doopdee 11 месяцев назад

It’s cool seeing you here

@abxyabxy281 11 месяцев назад

ouch... as a US citizen, I mostly use NTSC televisions. However, I don't affiliate my nationality with any country.

@KidPrarchord95 11 месяцев назад

@@abxyabxy281 ok

@justicetexeira 11 месяцев назад

Gonna test if this works on EmuVR later

@Luluco_G 11 месяцев назад

The way the screen turns black and the fruit being sliced afterwards really looks like those shots in Animation, where someone slices something in half without seeing it directly, it's a cool stylistic coincidence!

@CrazyDoodEpicLeaves 11 месяцев назад

Finally someone who ACTUALLY makes their "NES game" into a....NES game, most people just make 8-bit graphics without considering any of the limitations they had on the NES. I remember this "NES Mario Odyssey" which had rotating sprites, widescreen, insane amounts of sprites on the screen at the same time and so on.

@sem49 11 месяцев назад

i watched that video lmao

@dropier 11 месяцев назад

well it at least had the cool thing of how it still had limited controls as if it was an nes, but yeah i agree

@JamesTDG 11 месяцев назад

Yep, it broke so many rules of the system that I was losing my mind. I would have excused the multiple sprites, but ONLY if the limited color rule was legitimately applied

@SpringDavid 11 месяцев назад

So retro 💔

@nayzal 8 месяцев назад

@@JamesTDGjames spotting #4

@AverageMichaelJordans Год назад

This vid getting less than 1k views is a crime! I'm actively subbed to 200 people and I catch myself genuinely just looking forward to the next vid you create, I seriously don't understand how this gets less views than some of the bigger guys.

@starinsky2873 11 месяцев назад

what are you saying this video sucks

@Lo-Sir 11 месяцев назад

NEWS: Video passes 16K view "still a crime this doesn't have 50K" says man

@AverageMichaelJordans 11 месяцев назад

@@Lo-Sir Damn right 😎, vid seems to be a slow burner so it'll get there in a while

@Nameless8_ 11 месяцев назад

Amateur

@undefined06855 8 месяцев назад

@@AverageMichaelJordanslol it has 100k now

@teu009 11 месяцев назад

YES finally! A "i recreated [Blank] in an NES" that's ACTUALLY a nes game!! Loved the video!

@tomyyoung2624 5 месяцев назад

yes pics yes friend

@augustleded 11 месяцев назад

thank god you made this a real nes game. i hate people who say they made a full nes game but its only an 8 bit game instead of a full nes rom

@InkboxSoftware 11 месяцев назад

Even then it's only "8-bit" in sense of pixel art, it isn't running on an 8-bit computer. But stay tuned, I have some plans for other games...

@augustleded 11 месяцев назад

@@InkboxSoftware i also overall really enjoy your videos, even if i don't plan to make nes games (i would make a rom hack at most) these are all really good and entertaining in terms of education

@No_True_Scotsman 11 месяцев назад

@@InkboxSoftwarewait, this isn't a real NES ROM? So why all the technical information about how the NES works?

@InkboxSoftware 11 месяцев назад

@@augustleded I meant other "8-bit" style games don't run on 8-bit computers. Fruit Ninja for NES is a real NES rom that runs on the 8-bit NES.

@augustleded 11 месяцев назад

@@InkboxSoftware yeah that makes sense

@davidwalker1652 11 месяцев назад

You can do hit detection on all fruit in 4 frames or less by using a binary search instead of a linear search. (Flashing half of the sprites at once to eliminate 50% of targets per frame, instead of eliminating 1 sprite at a time with your current linear method). You may be able to reduce this further by analysing aiming trends (spatial or temporal) and skewing the elimination percentage towards the trend, for faster average detection of hits at the cost of more flash frames to detect misses. E.g. players might aim more often at the most- or least-recently launched fruit, or fruit at the top of its arc. Check that fruit first by itself, or the top 2, then use binary search from there. If you can identify a consistent trend and predict the most likely 1 or 2 fruit targets, you can save 2 or 3 frames when your prediction is correct, at the cost of an additional frame for misses/bad predictions.

@TheBcoolGuy 11 месяцев назад

We're working with a 6502 here.

@davidwalker1652 11 месяцев назад

@TheBcoolGuy Yes, i realise that. This can be done with minimal code using some simple old-school binary tricks that a 6502 will have no problem with. I started coding games on Z80 and used similar techniques for sprite sorting/priority, so it's certainly doable on 6502.

@12... 11 месяцев назад

yeah i was thinking this too with 8 fruits it could be done in just 3 frames, by flashing 11110000, 11001100, 10101010 but the problem is that this would break if you hit multiple fruits at once

@flatfingertuning727 11 месяцев назад

@@12... I think a ternary search would actually be better: start with 11100000, 00011100, and 00000011, and then scan whichever individual sprites are needed after that.This would scan three frames in the no-hit case, six in the one-hit case, a maximum of nine in the two-hit case, and eleven in the three-hit case. Note that getting a trigger on 11110000 but none on 11001100 doesn't mean the third or fourth fruit was hit. It could be that one barely hit one of the first two sprites.

@CODMReaper 8 месяцев назад

You're going to kill the CPU.

@nstbayless Год назад

You can reduce the number of frames spent checking for light detection from linear to log(n) by lighting up multiple fruit per frame such that the pattern of light detection uniquely identifies the fruit's index.

@mattgio1172 Год назад

This is absolutely amazing!!! I still cannot believe you did this. Cannot wait to see what else you come up with!

@potchary8366 6 месяцев назад

I love how the English romanization of the title says „Fruit Shinobi“ but the Japanese title still says „Fruit Ninja“ (Even tho fruit is technically果物 and 果 alone just means „result“)

@sufferingincorporatedtm1781 Год назад

i thought this would be moving the blade around with the d-pad (which would have sucked), but what a great way to use the zapper! :D

@zazkegirotron 11 месяцев назад

Wooow, the quality, the code, the love. All amazing. Watching your videos has been so rewarding. I've learned a ton and in a fun way. Thank youuu and keep your amazing work up!

@AdrianGhastly 11 месяцев назад

Can someone PLEASE load this up onto an NES cartridge and show it working on real hardware? I really want to see it!

@Sempnite 11 месяцев назад

With the help of an everdrive we can do it

@gamagama69 8 месяцев назад

i might try it out i have a sanni oscr and a crt

@metallistener340 7 месяцев назад

@@gamagama69we’d all love to see it!

@scratcher7544 7 месяцев назад

@@Sempnite Fruit Ninja for the NES - But does it work on Real Hardware?

@Sempnite 7 месяцев назад

@scratcher7544 To answer that, Yes it works on real hardware

@glitchyfruit2503 Год назад

a 0.15 second blank is a little much for every time you fire I recommend using a system where you only check if SOMETHING was shot and if so then see what it was, adds 2 frames when you shoot something, but removes 7 when you miss

@InkboxSoftware Год назад

Your idea is good, but that feels like it would punish good players since they would hit fruit more often than miss, resulting in +2 frames more often than -7.

@DArtagnonW Год назад

@@InkboxSoftware In theory--if you had more time and memory--you could calculate fruit-overlap, build a (potentially huge) list of "strikeable" objects which are either fruit or fruit-overlaps, and then use a binary search to detect a hit. Naively, I think overlap regions grow like 2**n, so 8 fruit perfectly arranged would require as many as 255 strikables. But the binary search would cut that down to just 8 checks. Then you would benefit from fewer than 8 checks for all of the not-worst-cases.

@gyrotta 11 месяцев назад

super underrated project congratulations

@Ali_Alhakeem 11 месяцев назад

This is so fricking underrated , love your work ! Amazing video !

@Momenti Год назад

Just found your channel. Your videos are amazing. Keep up the great work!. Subscribed!

@hossammoharram7254 7 месяцев назад

This channel is so underrated, such a high quality video

@bugpocket 11 месяцев назад

This is such a cool project, I'm in love with this.

@misterdneh 11 месяцев назад

I love seeing others remaking modern games for retro consoles! Someone recently made a game for GBA called something super pets it was a fun venture this should be a game jam contest 😂

@xzimnut Год назад

Super creative an original idea as usual

@FagnerNascimentoBr Год назад

Your video deserve much more views, great work 👍🏻

@DJDiskmachine 8 месяцев назад

Super cool! Thanks for sharing your process too, really interesting 🤓

@JuanG2020 7 месяцев назад

It's so cool to know that awesome people like you are still creating video games for the NES. Such an iconic console. I have never seen one in person, but I have played a few games on emulators before. I first got interested in the NES from watching AVGN, seeing as that console makes an appearance in most of his episodes. It's really amazing to see what it is capable of.

@skRapKlan 11 месяцев назад

Nice work! This is really fun!

@intel386DX Год назад

I will try this ! Nice to see a modern zapper game 🙂

@BurgerWeeze 11 месяцев назад

Hope you keep it up! Would love to see more games like this on real hardware.

@mrkingbeastmediakenth2009 8 месяцев назад

This is awesome! Putting a nostalgic game to a nostalgic console makes is super nostalgic!

@Francium215 11 месяцев назад

it would be cool if you did a whole series of turning popular phone games to nes games

@InkboxSoftware 11 месяцев назад

Things are in the works...

@Francium215 11 месяцев назад

@@InkboxSoftware awesome, looking forward to them

@botyeet968 9 месяцев назад

The second i heard you say this was going to be in raw assembly i knew this would be a great video

@ruebenhernandez8016 7 месяцев назад

Fruit Ninja has an arcade vibe, like it'd work as an arcade game on an arcade cabinet.

@widge 11 месяцев назад

Awesome job, man. This is great, I love seeing new games being made for classic systems, especially lightgun games. I confirm this works well with a Sinden Lightgun, which I use with a Raspberry Pi 4B running Retroarch and lr-FCEUmm. If you revisit this game for an update, might I suggest adding a "pause" function?

@1lovesgreatness 8 месяцев назад

Great job. I love it.

@DArtagnonW Год назад

Ooh, I really love this.

@DoobyShoo 11 месяцев назад

A while ago I remember seeing an OLD OLD NES back of DUCK HUNT and it was like a rlly simple version like this! Except the sprite was like a mario sprite throwing the bombs instead of the ducks, it was rlly cool. Sadly I think it’s been lost to time

@elnicatuani05 Год назад

Amazing work!

@seamushadron 6 месяцев назад

This is a true masterpiece! Awesome!

@namelessmcentity2435 11 месяцев назад

I've been working on a GBA Jetpack Joyride, good to know the RU-vid algorithm is doing it's job. This looks fantastic! Great work all around, very cool

@thekeyboardwarrior1018 7 месяцев назад

define your channel's content first

@LINKfromTHElegendOFz 8 месяцев назад

There are words for games brought to older systems. 'Demake' and it's an art-form that we don't see enough.

@krishacz 8 месяцев назад

i love the idea of making modern games in NES! i've actually been thinking about how Subway Surfers could be done, although i definitely don't have the technical skill or knowhow to do it myself

@DavidZMediaisAwesome 7 месяцев назад

I think subway surfers could be pulled off. It wouldn’t be far off from 3D world runner!

@jmvwaitsforfnremixv10 5 месяцев назад

This is Amazing! Great to see Fruit Ninja in this old video game generation!

@BlueStinger475 7 месяцев назад

As a retro gamer, I found this video to be super amazing. I ABSOLUTELY loved that you included NES limitations

@InkboxSoftware 7 месяцев назад

That's because it is an actual NES game

@TheWizardGuy17 8 месяцев назад

THAT WAS FRICKING AWESOME!!!

@MrMegaManFan 11 месяцев назад

I’ll be hooking up my top loader to a CRT to try this out. Thanks dude!

@iLife64 11 месяцев назад

Technically if you want you can use the first controller as a master input device, add a credit system into the game and assign a button to be Credit++ you can enclose it into an arcade machine and use a coin slot for input

@samaeltheangelofdeath 11 месяцев назад

10:47 p.oooo I like that! It's simple! Creative! The colors, I really like how the colors vibrate, and kind of are at the same level but different

@hawkfeather6802 Год назад

That's really cool! It also sounds complicated

@prongles10 7 месяцев назад

this guy spent so much time just to make NES Zapper actually useful. What a great man.

@DeathAtYourDoorStep 8 месяцев назад

Really cool honestly!

@trebrick Год назад

Awesome job! Cant seem to get it to start though. Other zapper games working fine

@strayferal 11 месяцев назад

Whoa. Great job!

@Miles_Tails_Prower64 6 месяцев назад

Making a classic phone game into a really old console is crazy and awesome at the same time

@rosilinathedragon4382 11 месяцев назад

This is so cool!

@angc4life 7 месяцев назад

I just played the game. Awesome!

@awogbob 11 месяцев назад

my favourite demake of fruit ninja is for ti84 calculator where they made all the buttons a faux capcitive touch input so you could actually slice directionally depending how you wiped your finger across it

@Galenha 7 месяцев назад

Would buy in a kickstarter to make the cartridge

@IlSharmouta 8 месяцев назад

I'd increase the size of the white boxes for shooting. In the context of clicking the screen in an emulator this is perfectly fine, but I feel on the NES with a real zapper it would be too hard to hit the tiny fruits. That said, this is absolutely awesome.

@mightBeAtomic 11 месяцев назад

Deadass hearing someone say they prefer to code anything in assembly is terrifying. Great video, I look forward to you leading the robot uprising.

@BookInBlackEWOW 3 месяца назад

YES! Finnaly subtitles!

@milesromanus7041 8 месяцев назад

"it can be written in C but I prefer Assembly" 🗿

@Vallee152 11 месяцев назад

7:31 I am actually built differently. I see CRT screens half a frame at a time, more noticeable the brighter the screen is. very annoying, but I've learnt to live with it

@doomertheboomer 11 месяцев назад

yeah the flickering on white screens are annoying as hell. luckily i only see flickering on PAL screens so i just use NTSC

@Vallee152 11 месяцев назад

@@doomertheboomer I see it on NTSC

@guslima1130 8 месяцев назад

this is seriously amazing!

@eonbree8593 11 месяцев назад

wow this is really cool

@ecernosoft3096 Год назад

You’ve enlightened me greatly by putting one of my favorite games on the NES. Great job! I’d love to see a 7800 version as well, even more sprites with even more color! Though I don’t think you’ve coded that or it’s light gun before…

@KabuMontasaurios Год назад

Oh, a fellow FCEUX apreciator I see

@Bloxed 11 месяцев назад

This may seem super trivial but it'd be cool to see a candy mode, based on Fruit Ninja Skittles from back in the day. I love the work seen here. GG.

@casperrekmans Год назад

You should import it to an real nes cartridge and try it out!

@lydiazap7243 7 месяцев назад

wow, so cool!

@Vermilicious 8 месяцев назад

Fun. Kudos.

@CLASSYTUXYFGA Год назад

I was like "God one of those videos again but it's a real NES gane

@ToqTheWise 7 месяцев назад

Okay, there’s this program called EmuVR which lets you play retro games in VR. Fruit Shenobi works in EmuVR. I’m playing a game from 2010 on a console made in 1986 in technology from 2020. This is the future.

@ThomtickInc 7 месяцев назад

wejo you made fruitninja for NES that's so fucking cool, much respect bro, you got this.

@antusfirenova6426 8 месяцев назад

I need to find a way to make this thing run on a wii in a similar way to duck hunt, seems very fun!

@DavidCarrizoGuitarra 11 месяцев назад

Awesome!!!

@joefarrow1599 11 месяцев назад

Very cool!!!

@LordOrwell 11 месяцев назад

It never occurred to me to use the light gun for this. Nice.

@cs127 10 месяцев назад

absolutely amazing! the peach looks kinda poorly drawn tho lol but that's still fine! I love this!

@give_me_my_nick_back 11 месяцев назад

I'll have to try it on the real hardware! I love the light gun games.

@Uterr 10 месяцев назад

Looks nice. For a better game perception you should change your background, bot decrease its saturation and contrast. Also using a different colors for background other than fruits color is a must.

@Dragon_Screamer 8 месяцев назад

Question: how do you identify which fruit is the one being detected by the gun specifically?

@samaeltheangelofdeath 11 месяцев назад

There's really cool. Any it's fruit! I love fruit

@VSink7631 8 месяцев назад

I had an idea for the swords you could unlock. How about you change the sound of the fruit being shot.

@pinkheartroblox 7 месяцев назад

Bro even got the ad for it in that style of the nes eras

@jackgibson511 10 месяцев назад

This is awesome! The only thing is that the background doesnt quite contrast enough with the fruit

@dempa89 Год назад

You know what would be cool? If you used two gun shots like a knife. First, you select the start point, then the second point. After that an object slides from the spawn point to the target point and finds whichever fruits it hit. You could probably get a knife feeling from that. Maybe add a timer so the time between two trigger pushes is short enough.

@trashtrash2169 11 месяцев назад

I don't think that's how the light gun works. It only detects light, it doesn't relay where it's pointing at the screen. I don't think you can detect the gun's position.

@Angel_the_Bunny 11 месяцев назад

If it was running on a crt I bet you could light up all the fruit sequentially for 1 frame and when the light gun flips the bit the currently being drawn fruit light registers a hit. That way you could have 9 fruit on screen without dropping 9 frames for input registration.

@clarencioo3040 8 месяцев назад

The best weapon to carry in a sword battle is a zapper.

@EdgyVidyaGeneral 10 месяцев назад

I'm getting into programming, mostly web dev, and I'm blown away by your knowledge and intelligence when it comes to programming. If you were to learn it all again, where would you start?

@InkboxSoftware 10 месяцев назад

Everyone has to start somewhere, I began with BASIC.

@loya2467 7 месяцев назад

5:12 okay, that Jesus moment was awesome

@JacksonGaming092 11 месяцев назад

Idea Build A Browser For The NES Liked This Video And I Liked The NES Cartridge You Made!

@diamondyoshi6649 11 месяцев назад

can I just say that without a doubt this is one of the best modern-retro games?

@GUN2kify 8 месяцев назад

#6:25 -- i had to hear the sentence several times ..till i notices that not "sends its light" but "senses light" was said ..

@AnthonyFlack 7 месяцев назад

Using a sine lookup table for gravity is an odd choice. It's more typical to use a 16 bit number for Y position, a second number for Y velocity, add Y velocity to Y position every frame, and subtract a constant gravity value from Y velocity every frame. Which produces a parabola, but doesn't require a lookup table.

@Skyliner_369 8 месяцев назад

So if the light gun detects light with enough... frequency... how accurately can the 6502 determine where on screen its looking? Because it might be as simple as 'halves' to as precise as "oh light detection is at these coordinates" or are the inx, iny, or ina instructions too slow? This does, however, assume the game is on a CRT.

@Sikun88 11 месяцев назад

Verry good. I loved FN on Xbox Kinect

@cope9489 8 месяцев назад

Is it possible to bypass the 8 sprite per scanline limit by drawing the same sprite multiple times in a single frame on the NES? Kind of like how it was done for the Space Invaders game on the Atari 2600 😅

@AnthonyFlack 7 месяцев назад

Drawing two or three copies of a sprite side by side on the same scanline was actually one of the 2600's built-in capabilities. The 8 sprites per scanline limit on the NES can't be bypassed; once the limit is reached it just stops drawing.

@cope9489 7 месяцев назад

@@AnthonyFlack thats pretty sad cause the things that could have been done with that would have been incredible