[WIP] Pengo conversion

jotd · 26 June 2023, 23:38

Another project taking shape: Sega 1982 Pengo

Never really ported properly except on megadrive & maybe C64.

This time, this is a 1:1 arcade port using of course the original Z80 code that I reverse-engineered & transcoded to 68000.

The vid is a bit short, sorry about that, Lagarith is giving me wrong colors, I used intel YUV which is OK but for some reasons stops after 1 minute...

I could play the first level (difficulty is set to max, didn't handle dip switches properly yet) and complete it, played second level. No sounds yet but no9 agreed to remake the tunes so it's gonna be glorious!

I started this project in 2010 after Bagman SDL Windows remake, wanting to do Pengo on SDL/Windows, but got tired of it. I dug out the work that I had one with the reverse-engineered code and it was really good specially in the A.I. section (the only part that interested me at the time). I tried to RE the game more, specially the mundane sections like text display, etc.. and something was running pretty quickly after converting to 68000 using my z80268k tool (like done for Galaxian).

[ Show youtube player ]

Predseda · 26 June 2023, 23:41

Known also as Petch on C64, and as you say - this game was never properly ported. Looking forward.

malko · 27 June 2023, 00:15

You are a coderaholic

. Looks already cool

Cris1997XX · 27 June 2023, 04:46

Heck yeah! I'm really looking forward to this, Pengo was one of my favourite Game Gear titles

saimon69 · 27 June 2023, 05:52

What do you say, if i turn off and on fast the amiga will give me free credits like the arcade version? :P (a trick i used when was 13)

modrobert · 27 June 2023, 07:26

Quote:

Originally Posted by saimon69

What do you say, if i turn off and on fast the amiga will give me free credits like the arcade version? :P (a trick i used when was 13)

Remember doing something similar (glitching the mains connector) with Qix for free credits.

jotd,

Pengo is looking great!

manossg · 27 June 2023, 07:28

Great stuff! Looking forward to this!

TCD · 27 June 2023, 08:45

Oh nice

Also looking forward to play it

fryguy · 27 June 2023, 09:06

Nice! I remember playing this on C64.

jotd · 27 June 2023, 09:18

I remember seeing someone getting several free credits from Kung Fu Master with the quick switch off/on technique.

Probably also very healthy for the boards

acidbottle · 27 June 2023, 10:57

You're at it again! Looking fantastic and a really cool game to port, I am not even sure there was ever an official port of this on any 16 bit systems either.

TCD · 27 June 2023, 10:58

No official port, but there is this game: https://hol.abime.net/4610

acidbottle · 27 June 2023, 11:02

That is one that slipped by me somehow, pretty great effort on that PD clone!

jotd · 27 June 2023, 11:19

Quote:

Originally Posted by acidbottle

You're at it again! Looking fantastic and a really cool game to port, I am not even sure there was ever an official port of this on any 16 bit systems either.

There were 2 ports on Megadrive/Genesis. One 1:1 (with scrolling IIRC) and one "modern" with 16 bit sprites.

I could even have ripped the 68000 code directly from the 1:1 port but I'm more familiar with MAME asset rips (with the help of Mark) & z80

Quote:

Originally Posted by acidbottle

That is one that slipped by me somehow, pretty great effort on that PD clone!

Tested it back in the days, but to me not Pengo enough.

Frog · 27 June 2023, 14:39

a classic coin'up to me !

Next is Dig Dug ?

well there's already an arcade conversion Dugger from Linel which is pretty nice

Retro1234 · 27 June 2023, 14:59

Remember when Pengo wet himself.

jotd · 27 June 2023, 18:54

Wet himself? Lol you see evil everywhere. I think he just stumbles 50% chance when walking out of a level.

Bren McGuire · 27 June 2023, 19:24

this looks incredible! one of my favorite games.
maybe you can have a crack at Flicky when you're done with this one?

Cris1997XX · 27 June 2023, 20:39

Quote:

Originally Posted by Frog

a classic coin'up to me !

Next is Dig Dug ?

well there's already an arcade conversion Dugger from Linel which is pretty nice

Yeah! What about Mappy too?

jotd · 27 June 2023, 23:29

Nice ideas but those aren't my plans

I'm probably doing Karate Champ next (full transcode, ditch my amiga code although it was pretty complete but too buggy)

Then I don't know. I have Galaga 88 X68000 reversed but it could really be a challenge. Donkey Kong is going to happen probably (Mark is working on it). Maybe do Bagman properly, GalAGA, Phoenix, ...

And FINAL FIGHT (just joking

)

26 June 2023, 23:38	#1
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,313	[WIP] Pengo conversion Another project taking shape: Sega 1982 Pengo Never really ported properly except on megadrive & maybe C64. This time, this is a 1:1 arcade port using of course the original Z80 code that I reverse-engineered & transcoded to 68000. The vid is a bit short, sorry about that, Lagarith is giving me wrong colors, I used intel YUV which is OK but for some reasons stops after 1 minute... I could play the first level (difficulty is set to max, didn't handle dip switches properly yet) and complete it, played second level. No sounds yet but no9 agreed to remake the tunes so it's gonna be glorious! I started this project in 2010 after Bagman SDL Windows remake, wanting to do Pengo on SDL/Windows, but got tired of it. I dug out the work that I had one with the reverse-engineered code and it was really good specially in the A.I. section (the only part that interested me at the time). I tried to RE the game more, specially the mundane sections like text display, etc.. and something was running pretty quickly after converting to 68000 using my z80268k tool (like done for Galaxian). [ Show youtube player ]

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26 June 2023, 23:41	#2
Predseda Puttymoon inhabitant Join Date: Mar 2007 Location: Tromaville Age: 46 Posts: 7,556	Known also as Petch on C64, and as you say - this game was never properly ported. Looking forward.

27 June 2023, 00:15	#3
malko Ex nihilo nihil Join Date: Oct 2017 Location: CH Posts: 4,947	You are a coderaholic . Looks already cool

27 June 2023, 04:46	#4
Cris1997XX Registered User Join Date: Oct 2022 Location: Roma Posts: 329	Heck yeah! I'm really looking forward to this, Pengo was one of my favourite Game Gear titles

27 June 2023, 05:52	#5
saimon69 J.M.D - Bedroom Musician Join Date: Apr 2014 Location: los angeles,ca Posts: 3,558	What do you say, if i turn off and on fast the amiga will give me free credits like the arcade version? :P (a trick i used when was 13)

27 June 2023, 07:28	#7
manossg Registered User Join Date: Nov 2019 Location: Greece Posts: 992	Great stuff! Looking forward to this!

27 June 2023, 08:45	#8
TCD HOL/FTP busy bee Join Date: Sep 2006 Location: Germany Age: 46 Posts: 31,764	Oh nice Also looking forward to play it

27 June 2023, 09:06	#9
fryguy Registered User Join Date: Aug 2005 Location: Skarabörg, Sweden Age: 44 Posts: 1,021	Nice! I remember playing this on C64.

27 June 2023, 09:18	#10
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,313	I remember seeing someone getting several free credits from Kung Fu Master with the quick switch off/on technique. Probably also very healthy for the boards

27 June 2023, 10:57	#11
acidbottle Registered User Join Date: Jul 2018 Location: Scotland Posts: 837	You're at it again! Looking fantastic and a really cool game to port, I am not even sure there was ever an official port of this on any 16 bit systems either.

27 June 2023, 10:58	#12
TCD HOL/FTP busy bee Join Date: Sep 2006 Location: Germany Age: 46 Posts: 31,764	No official port, but there is this game: https://hol.abime.net/4610

27 June 2023, 11:02	#13
acidbottle Registered User Join Date: Jul 2018 Location: Scotland Posts: 837	That is one that slipped by me somehow, pretty great effort on that PD clone!

27 June 2023, 14:39	#15
Frog Junior Member Join Date: Aug 2001 Location: France Posts: 1,385	a classic coin'up to me ! Next is Dig Dug ? well there's already an arcade conversion Dugger from Linel which is pretty nice

27 June 2023, 14:59	#16
Retro1234 Phone Homer Join Date: Jun 2006 Location: 5150 Posts: 5,790	Remember when Pengo wet himself.

27 June 2023, 18:54	#17
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,313	Wet himself? Lol you see evil everywhere. I think he just stumbles 50% chance when walking out of a level.

27 June 2023, 19:24	#18
Bren McGuire Registered User Join Date: Nov 2019 Location: Croydon Posts: 587	this looks incredible! one of my favorite games. maybe you can have a crack at Flicky when you're done with this one?

27 June 2023, 23:29	#20
jotd This cat is no more Join Date: Dec 2004 Location: FRANCE Age: 52 Posts: 8,313	Nice ideas but those aren't my plans I'm probably doing Karate Champ next (full transcode, ditch my amiga code although it was pretty complete but too buggy) Then I don't know. I have Galaga 88 X68000 reversed but it could really be a challenge. Donkey Kong is going to happen probably (Mark is working on it). Maybe do Bagman properly, GalAGA, Phoenix, ... And FINAL FIGHT (just joking )

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