Author Topic: PC Engine Cheat Codes (Requests go here as well)  (Read 141097 times)

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Offline Retro-Nerd

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Re: Patching PC Engine Games for Infinite Lives
« Reply #15 on: November 03, 2013, 04:48 AM »
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The keep weapon thing took me a while to sort out.

Works fine, both patches. Actually you can't keep the ugraded weapons after a hit, but you can keep the 3 dragon heads. That's good enough. Thanks again.  :)

Offline Kyle

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Re: Patching PC Engine Games for Infinite Lives
« Reply #16 on: November 03, 2013, 05:08 AM »
Added Violent Storm.

Offline Retro-Nerd

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Re: Patching PC Engine Games for Infinite Lives
« Reply #17 on: November 03, 2013, 05:38 AM »
Edit: Ok, was a Magic Engine problem. The Violent Soldier patch works fine on real hardware.  ;D
« Last Edit: November 03, 2013, 05:43 AM by Retro-Nerd »

Offline Kyle

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Re: Patching PC Engine Games for Infinite Lives
« Reply #18 on: November 03, 2013, 05:57 AM »
For what it's worth I make and test these in Mednafen. I've got some time tonight while the kiddo is sleeping. Anything you want ASAP? I'm trying to get the invincibility stuff knocked out because it's way more time consuming.

Offline Retro-Nerd

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Re: Patching PC Engine Games for Infinite Lives
« Reply #19 on: November 03, 2013, 06:02 AM »
Kyuukyoku Tiger and Legend of Hero Tonma would be nice.  :)

Offline Kyle

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Re: Patching PC Engine Games for Infinite Lives
« Reply #20 on: November 03, 2013, 05:23 PM »
Added Splatterhouse - invincible after hit. Tested through the ending.

Offline Retro-Nerd

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Re: Patching PC Engine Games for Infinite Lives
« Reply #21 on: November 03, 2013, 06:36 PM »
Works fine. Sometimes a bit tricky. Some games needs a header for the IPS patches, some don't work with headers.  :)

Offline Kyle

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Re: Patching PC Engine Games for Infinite Lives
« Reply #22 on: November 03, 2013, 11:26 PM »
Added Ordyne invincible. Is this better than infinite lives in some way?
Added Image Fight invincible after first death.
« Last Edit: November 03, 2013, 11:43 PM by Kyle »

Offline Retro-Nerd

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Re: Patching PC Engine Games for Infinite Lives
« Reply #23 on: November 03, 2013, 11:48 PM »
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Added Ordyne invincible. Is this better than infinite lives in some way?

Sometime yes, since it doesn't break the game flow after a death. Some games take a break and you have to start again 1-2 seconds later, and some doesn't interrupt if you loose a life. But in this case Ordyne indeed doesn't interrupt the game.  The others on my invincible list = the "one Hit kill" games do it though. I assume the "Energy bars or more than one hit" listed games should good enough with infinite energy. Thanks for the new patches, will try them.  :)


Edit1: Your Ordyne patch wasn't wasted time since you can keep all the bought weapons that way.  ;)

Edit2: Mmh, Image Fight Invincible works too. But can't collect any extras/weapons then.

Edit3: I've put Jigoku Meguri also on the invincible list. Great Taito platformer.
« Last Edit: November 04, 2013, 01:16 AM by Retro-Nerd »

Offline Kyle

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Re: Patching PC Engine Games for Infinite Lives
« Reply #24 on: November 04, 2013, 01:32 AM »
Edit2: Mmh, Image Fight Invincible works too. But can't collect any extras/weapons then.
I have Kyuukyoku Tiger going but it's the same. Can't pick up items.

I lucked out on these last few. I found a post on converting Mednafen codes that to the format I need to patch roms. I can then use a bunch of invincibility codes I didn't have before from VisitntX's post here. Console Calculator does the conversion.


Offline Retro-Nerd

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Re: Patching PC Engine Games for Infinite Lives
« Reply #25 on: November 04, 2013, 01:41 AM »
OK, don't worry. You did a great job so far. If you can't patch the others it's fine. Maybe some from the Infinite Energy listed games works better then. Legendary Axe though could be problematic, since the game adds the energy left as a level bonus  and the points counter is endless then. Visitntx's invincible IPS Patch didn't work properly iirc.
« Last Edit: November 04, 2013, 01:49 AM by Retro-Nerd »

Offline Kyle

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Re: Patching PC Engine Games for Infinite Lives
« Reply #26 on: November 04, 2013, 02:06 AM »
The infinite energy stuff is easy to do. The invincible stuff either needs codes from VisitntX or gobs of trial and error from me. Another weird code:

Added Legend of Hero Tonma - invincible as long as you don't pick up powerups.
Added Gradius invincible also pretty sketchy. Could use work to improve.
« Last Edit: November 04, 2013, 04:04 AM by Kyle »

Offline Retro-Nerd

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Re: Patching PC Engine Games for Infinite Lives
« Reply #27 on: November 04, 2013, 04:25 AM »
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Added Gradius invincible also pretty sketchy. Could use work to improve.

I agree. The space ship sprite turned into well..something. Besides that it works.  ;D

Offline Kyle

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Re: Patching PC Engine Games for Infinite Lives
« Reply #28 on: November 04, 2013, 04:58 AM »
Added Jigoku Meguri invincible. VisitntX had a code for this but I couldn't get it working so I made my own.

Edit: Less ghetto Gradius is up. Stay a ship and don't stop music.
« Last Edit: November 04, 2013, 05:15 AM by Kyle »

Offline Retro-Nerd

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Re: Patching PC Engine Games for Infinite Lives
« Reply #29 on: November 04, 2013, 05:31 AM »
Nicely done, Kyle. Gradius seems to work perfectly now. Jigoku Meguri too. Will test them soon.  :)