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Old 24 May 2020, 16:36   #1
pink^abyss
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Tiny Galaga

Hi, we created a tiny Galaga demake for OCS Amiga in 36kb.

You can download it here:
https://www.pouet.net/prod.php?which=85720


Code+Music: Pink
Gfx: Fade One

Code was done with Bartmans "vscode-amiga-debug"
https://github.com/BartmanAbyss/vscode-amiga-debug/

Music and sfx were created with PreTracker
https://www.pouet.net/prod.php?which=80999

Some tech details:
- The game runs at 50fps. Resolution is 192 x 256 pixel.
- The game & replayer are coded in C99 (compiled with GCC 10.1)
- The game includes 6 music tracks/jingles and 26 sfx
- All music+sfx use 5488 bytes (after precalc 51kb chipram is used)
- The game shows a maximum of 101 moving things on screen
- All graphics take 17kb and use only one bitplane.
- No sprites are used

Happy playing!
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Old 24 May 2020, 17:04   #2
DanyPPC
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Great ! Many thanks.
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Old 24 May 2020, 17:13   #3
coldacid
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Summoning @VincentGR for an icon and disk image, and @TjLaZer for a WHDLoad package just like for Tiny Invaders.
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Old 24 May 2020, 17:59   #4
DamienD
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Nice one pink^abyss, thanks for another cool game

Quote:
Originally Posted by coldacid View Post
Summoning @VincentGR for an icon and disk image
Well I can do a disk image, no need for an icon though as the game will boot directly...

...but I'll wait until ross trains this first
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Old 24 May 2020, 19:36   #5
coldacid
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Well, the WHDLoad package should have an icon at least :P
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Old 24 May 2020, 19:37   #6
Antiriad_UK
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Good stuff, pink! I'm almost tempted to give up asm and switch
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Old 24 May 2020, 19:53   #7
DamienD
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Quote:
Originally Posted by DamienD View Post
Nice one pink^abyss, thanks for another cool game

Well I can do a disk image, no need for an icon though as the game will boot directly...

...but I'll wait until ross trains this first
Bah, I went ahead and created a disk anyway... if someone makes a trainer, I'll then redo



Attached for anyone that wants it

Last edited by DamienD; 25 May 2020 at 10:50.
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Old 24 May 2020, 19:54   #8
Frog
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really nice work, wonderful job, you must have had a good time while making this game.
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Old 24 May 2020, 20:13   #9
pink^abyss
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Quote:
Originally Posted by Frog View Post
really nice work, wonderful job, you must have had a good time while making this game.

Thanks Oh yeah, that was real fun to make! I remember playing real Galaga in the eighties, i was always amazed how the enemies behaved...
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Old 24 May 2020, 20:17   #10
Weaselrama
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Was "demake" intentional? I'd keep it in, it's hilarious and appropriate word-play.
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Old 24 May 2020, 20:24   #11
pink^abyss
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Quote:
Originally Posted by Antiriad_UK View Post
Good stuff, pink! I'm almost tempted to give up asm and switch

Give it a try. You don't have to go full C. You can mix as you need..


For me it's the massive time i save with C and the performance is not much behind the asm code i(!) would be able to deliver by hand. The code generated with GCC 10 can be quite good when you know how the 68000 CPU works. Just code C with the same mindset as you would do with asm.


And finally Bartmans vs-code extension makes life so much easier, so that its pure fun to write and optimize code. In the latest beta there is now even a cycle exact source level profiler! So it was easy to spot where anything was going wrong. He also added a debug overlay. So you can overlay rectangles and text on top of your game while it is running in WinUAE. Who could say no to all that luxury?
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Old 24 May 2020, 21:41   #12
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How smooth and cute is this? Great stuff! Would it be possible to save the hiscore?
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Old 24 May 2020, 21:42   #13
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Quote:
Originally Posted by Weaselrama View Post
Was "demake" intentional? I'd keep it in, it's hilarious and appropriate word-play.
Have you not heard of this terminology before?
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Old 24 May 2020, 21:43   #14
Weaselrama
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Well...it locks up FS-UAE, even with JIT disabled. Too bad, I would have liked to have checked it out.
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Old 24 May 2020, 21:45   #15
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Nice game pink and fade_one!
On AGA there are incorrect colors and small graphical glitches (f.e. chars missing) but "killaga" takes care of that.
It's fun to play.
Attached Thumbnails
Click image for larger version

Name:	galaga-level20c.jpg
Views:	157
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Old 24 May 2020, 21:45   #16
manossg
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Quote:
Originally Posted by Weaselrama View Post
Well...it locks up FS-UAE, even with JIT disabled. Too bad, I would have liked to have checked it out.
I just tested it on FSUAE on vanilla A500 config and it runs perfectly. Which version/config do you use?
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Old 24 May 2020, 21:46   #17
DamienD
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Quote:
Originally Posted by Weaselrama View Post
Well...it locks up FS-UAE, even with JIT disabled. Too bad, I would have liked to have checked it out.
That's not much help... I'll remember never to ask you for bug reports / testing.

It runs fine via the king of Amiga emulators i.e. WinUAE

You wanna give more details / information... such as, what configuration have you set exactly?

I tested in WinUAE and all is working fine on a standard A500 configuration. On an A1200 configuration there are slight glitches, as Nightshft said above.
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Old 24 May 2020, 21:51   #18
qupe
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I have just created a video play in FS-UAE and it worked fine using Damien's adf. I used A500 with 2mb, A1200 with 2mb both worked.

I scored 214990. It will be on my youtube soon

One thing is the high score supposed to save?

Last edited by qupe; 24 May 2020 at 22:05.
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Old 24 May 2020, 23:05   #19
Minuous
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This needs further work, here (OS3.9, 68020) it just says "Please wait while decrunching..." and then freezes the system. :-(
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Old 24 May 2020, 23:50   #20
ross
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Great little game , kudos to Pink/Fade1/Bartman^Abyss!


Quote:
Originally Posted by DamienD View Post
...but I'll wait until ross trains this first
Someone posted it into the Zone!
Press RMB to start with infinite lives (or press it whenever you want during the game).

Cheers.

Last edited by ross; 24 May 2020 at 23:59. Reason: greetings to Abyss
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