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EddyFree

Atari 8Bit Game Patches

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Chucky Egg:
----------
Infinite Lives = [CEFB50:EAA901]
Kill The Timer = [DED267:EAA901]

 

Captain Milly:
-------------
Infinite Lives = [CE9606:EAA901]
Kill Crystal Timer = [CE9806:EAEAEA]
Empty Fuel Doesn't Kill = [AD9206D0:EAA901XX][C933B00E:4C5CA3EA] (Must use both)

 

Hobgoblin:
---------
Infinite Lives = [C668A5:EAEAXX]
Kill The Timer = [81E901:XXEAEA]
Enemy Can't Shoot = [F0C48A:EAEAXX]

 

Nuclear Nick:
------------
Infinite Lives = [959ED8:EAEAXX]

 

Oilswell:
--------
Infinite Lives = [CE6806:EAEAEA]
Kill The Timer = [EE5A06:EAEAEA]

 

 

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On 7/8/2020 at 12:23 PM, EddyFree said:

Montezuma's Revenge:
-------------------
Infinite Lives = [46C68D:XXEAEA]

In this version there is a Bat after a while (Kill The Timer).

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On Sunday, August 30, 2020 at 5:50 PM, tane said:

In this version there is a Bat after a while (Kill The Timer).

 

UPDATE:

 

Montezuma's Revenge:
--------------------
Infinite Lives = [46C68D:XXEAEA]
Disable Carry Away Bat = [203D20:EAEAEA]

 

 

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On 8/31/2020 at 12:50 AM, tane said:

In this version there is a Bat after a while (Kill The Timer).

For Montezuma's Revenge, can I kindly ask if you use a .XEX or an .ATR?

And then, do you have a hash (SHA1, MD5, anything) so I can find the right one?

That's one of my favourite game and I cannot apply this cheat because I cannot find a proper version in which the cheat works as expected ;-)

Thank you very much in advance.

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On Tuesday, September 01, 2020 at 2:24 AM, ldelsarte said:

For Montezuma's Revenge, can I kindly ask if you use a .XEX or an .ATR?

And then, do you have a hash (SHA1, MD5, anything) so I can find the right one?

That's one of my favourite game and I cannot apply this cheat because I cannot find a proper version in which the cheat works as expected ;-)

Thank you very much in advance.

Use the one from the HomeSoft Collection Disk #32. CRC32:49774B0B CRC16:7C49

 

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On 7/3/2020 at 8:31 PM, TapperP said:

One question I have is can you save your hi-score with the WoW xex?


First off, my apologies that it's been over two months before I looked into this. Totally slipped my mind until I was reviewing this thread.

 

As I said before, the version of Wizard Of Wor that I posted on the second message of this thread has code to both read and write the "Hall Of Fame" scores to disk. After you play the game, the "Hall Of Fame" screen will come up and inform you that you can press "S" to save the scores. Doing so will write the scores to sector 720 of the disk in Drive 1. Unfortunately, the game never appears to read the scores after it loads. Perhaps someone "patched out" the read routine to avoid issues on game "compilation" disks? I would have been more concerned with the write routine myself.

 

Anyhow, after digging into it a bit I came up with a patch that will make the game read the "Hall Of Fame" scores after loading. One thing to remember is that if you are going to save "Hall Of Fame" scores in WOW, the game has to OWN sector 720 to be on the "safe side". Best approach is to make sure that sector 720 isn't used or occupied by any other programs on the disk, then de-allocate that sector in the VTOC(For DOS 2.x disks). For example, on a Single Density DOS 2.x ATR disk image take byte 46067(zero based), AND its contents with $FE, then write it back.

 

So, with all that mentioned, here's the patches I have for that game.

 

Wizard Of Wor:
==============
Infinite Yellow Player Lives = [CE6106:EAEAEA]
Infinite Blue Player Lives = [CE6006:EAEAEA]
Game Loads Hall Of Fame Scores = [4C9D16:XX7416]

 

 

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How about some RPGs?

 

Be advised that these are lengthy games, so the patches haven't been thoroughly tested. The two Ultima patches were rather easy to make, but the AR patch was quite challenging. AR pages the battle code in and out of memory from the disk with each encounter. The AR patch seems to work in most Battles but I can't guarantee it will in all.

 

Alternate Reality The Dungeon:
(Uses Checksums, Integrity Checks, Bit shifting and XOR Scrambled Sectors With Keys)
=============================
Don't Lose Hit Points In Battle = (Must Use All Below)
(DISK1 Side1) = [A586CD:60EAXX] and [5E366F:670964]
(DISK3 Side1) = [5EF1198CB68E5D07057D:4075XXXXXXXXXXXX1BE7] and [68378e4808CE2AC4CB3F:76B3XXXXXXXXXXXXD5A5]

 

Ultima III(Patches Applied To Program Disk):
============================================
Party Members Don't Lose Hit Points = [E5F391:EAEAXX]
Party Members Don't Lose Magic Points = [E5D091FED8:EAEAXXXXXX]

 

Ultima IV (Patches Applied To Program Disk):
============================================
Party Members Don't Lose Hit Points = [E5DA91:EAEAXX]
Party Members Don't Lose Magic Points = [91FEAD:EAEAXX]
Never Lose Mixed Spells = [E90199:XX00XX]

 

[Ultima IV Emulator Tip]:
Give your party members Magic Points at memory locations 9A16,9A36,9A56,9A76,9A96,9AB6,9AD6,9AF6.
If they have enough magic points they can apparently cast the spells regardless of class.
Also, Spell Mixtures are at locations 9B40-9B57.
Give 1 unit of all spell mixtures in Altirra's Debugger Console with "eb $9b40 1 1 1 1 1 1 1 1 1...."(up to 24 bytes)

 

 

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Aardvark:
========
Infinite Lives = [8562D8:EAEAXX]
Disable Spider = [A5A2D0:A901XX]

 

HardBall:
========
Unlimited Balls = [EE0B0F:EAA901]
Unlimited Strikes = [EE150F:EAEAEA](Both Occurrences)
Unlimited Outs = [EEFB0E:EAEAEA] (Both Occurrences)

 

Gauntlet(Space Game):
=====================
Don't Take Damage = [72E901:XXXX00]
Unlimited Missiles = [06E901:XXXX00]

 

Lord Of The Orbs:
================
Unlimited Strength = [C6C3A9:EAEAXX][E905B0:XX00XX][E928B0:XX00XX](Must Use All Three)
Unlimited Darts = [C6C260:EAEAXX]

 

Gateway To Apshai:
=================
Infinite Lives = [CE1339:EAA901]
Unlimited Health = [E5BEB0:E900XX] [85C4C6:EAEAXX] (Must Use Both)

 

 

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On 9/11/2020 at 9:31 PM, EddyFree said:

Wizard Of Wor:
==============
Infinite Yellow Player Lives = [CE6106:EAEAEA]
Infinite Blue Player Lives = [CE6006:EAEAEA]
 

BTW, the patterns to search for in the WoW cartridge are:

 

[CE6806:EAEAEA]

[CE6706:EAEAEA]

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Boulder Dash (FIRST STAR Versions):
==================================
Infinite Lives = [CEB607:EAEAEA]
Kill The Timer = [6020CE10:XXEAEAEA]

 

Livewire:
========
Infinite Lives = [C6C820:EAEAXX]

 

Zeppelin:
========
Unlimited Ships = [CE8425:EAEAEA]

 

International Karate 1 And 2:
============================
Kill The Timer = [E901D885DCA9:XX00XXXXXXXX]
White Gets All Points = [A4D2B9D9:A000XXXX]
Red Gets All Points = [A4D2B9D9:A01XXXX]
Nobody Gets Points = [A4D2B9D9:60EAXXXX]
Start Timer At 99 = [A93085DC:XX99XXXX]

 

Pitfall 2:
=========
Player Is Invincible = [C904F00B:4CADB2EA] (minor temporary PM glitching on contact)

 

 

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Pinball Construction Set Games:
==============================
Unlimited Balls = [204991A482:EAEAEAA000]

 

Rainbow Walker:
==============
Infinite Lives = [CE4E06:EAEAEA]

Annoying Bird Stays Away = [6D8706:ADXXXX]

 

Deluxe Invaders:
===============
Unlimited Ships = [D68D:EAEA]

 

Thrax Lair:
==========
Infinite Lives = [CE9F05:EAEAEA]

 

Wavy Navy:
=========
Unlimited Ships = [E90199C1:XX00XXXX]

 

 

Edited by EddyFree
Typo Err
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Rescue On Fractalus(DISK):
=========================

Unlimited Energy = [CE2F06:EAEAEA]

 

Diamond Mine:
============
Unlimited Cars = [D6B9:A901][2028BC:EAEAEA] (Must Use Both)

 

Marauder:
========
Infinite Lives = [C6E1A2:EAEAXX]

 

Marauder 2:
==========
Infinite Lives = [C6E2A2:EAEAXX]

 

Koronis Rift(DISK):
==================
Take No Damage = [EDCDBE:EAEAEA]


 

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I downloaded your disk images and saw that Missile Command was included.  I don't see a reference to it here and it doesn't appear to have unlimited lives.  Did you make a patch for it?

 

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21 hours ago, whaledriver said:

I downloaded your disk images and saw that Missile Command was included.  I don't see a reference to it here and it doesn't appear to have unlimited lives.  Did you make a patch for it?

 

Missile command doesn't really have "lives", it has surviving Cities. The patch on my "Cheat Arcade" release of Missile Command is Unlimited Ammo. I haven't posted the actual patch to the board yet. I have several patches of various games I haven't posted so far, some I'm still working on or looking to expand on.

 

Anyhow, here's the patch:

 

Missile Command:
===============

Unlimited Ammo = [36C6CE:XXEAEA][A5CEF006:A900XXXX](MUST use BOTH)

 

 

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Meteor Storm:
============
Unlimited Ships = [CE0417AD:EAEAEAXX]

 

Plaque Man:
==========
Unlimited Brushes = [DE2F0CDE2F0C:EAEAEAEAEAEA]
Invincibility = [20D020:EAEAEA]

 

Dark Chambers:
=============
Health Stays Initial Amount = [ED204C:A9A0EA]
Doors Don't Need Keys = [B5A9D0:A901XX]

 

Desmond's Dungeon:
=================
Infinite Lives = [CE4210:EAEAEA]
Unlimited Power = [CE4010:A901EA]
1 Bag Finishes Level = [0885CB:01XXXX]
Kill The Timer = [02DE1010:XXA901EA]


And, just in time for the Holiday Season, I had to do:

 

Special Delivery(The Christmas Game):
====================================
Unlimited Hours(Lives?) = [C6E5:EAEA](All 3 Occurrences)
Don't Lose Bags From Hitting Clouds = [D1CE4D06:XXEAEAEA]
Don't Lose Bags From Fire = [F9CE4D06:XXEAEAEA]
Don't Lose Bags From Red Bag Drop = [20446CCE4D06:XXXXXXEAEAEA]

 

 

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Rockford:
--------
Infinite Lives = [C6A5A590:EAEAXXXX]
Kill The Timer = [C6AAD0:A901XX]

 

Attack Of The Mutant Camels (Llamasoft):
---------------------------------------
Unlimited Jets = [CEBE13:EAEAEA]
Unlimited Shields = [CECF13:EAEAEA]

 

Candy Factory:
-------------
Infinite Lives = [C6ADC6AD:EAEAEAEA](Both Occurances)
Kill Bonus Timer = [E90185:XX00XX]

 

Atlantis:
--------
Game Doesn't End When All Structures Destroyed = [C6E510:A901XX]

 

Bellum:
------
Unlimited Planes = [CE5B06:EAEAEA]
Unlimited Fuel = [CE5806C6:EAEAEAXX]
Gravity Doesn't Pull Plane Down = [EE4806:EAEAEA]

 

 

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