Noahs ark nes

[Manorock850]

The infinite energy code provided is not working properly. I would like a new game genie code so when you play through the levels health does not diminish thanks.

[fallen]

maybe you can try this

Gamegenie
Infinite Energy
SZKUUGSA

[Manorock850]

Does work. I need a code that keeps me alive no matter what. Thanks for helping though.

[Dteyn]

The code listed in the DB for Infinite Energy (SZKUUGSA) should actually be titled "No damage from head attacks". See the development notes at the bottom for more details.

This game has several routines that deduct health depending on what the player gets hit by. Several "no damage" codes are thus required. In my testing I also inadvertently created a couple other codes that might be useful: "Walk through enemies" and "Destroy enemies by touching them".

I have playtested these codes up to level 3, if you run into any problems with them beyond that let me know!

Enjoy!



No damage from head attacks (incorrectly labelled "infinite energy")
SZKUUGSA


No damage from frontal attacks
SZNLELSA


No damage from bosses
SZSUEGSA


No damage from poison potions
SZOLUPSA + SZOUXPSA


No death from spikes and bosses
AASISTPA


Walk through enemies
AVOIVSKL


Destroy enemies by touching them
ENKSUIEI





Code Development Notes:

Spoiler Alert! Click to view...

No damage from head attacks
SZKUUGSA

This is the code previously labeled as "Infinite Energy".

The amount of health left is stored in register $09. This code blocks
this routine from writing to $09, which is responsible for head shots 
to the player (ie: crabs landing, bouncing pegs, etc).

 00:BC47:C9 0A     CMP #$0A
 00:BC49:B0 05     BCS $BC50
>00:BC4B:85 09     STA $0009 = #$00
 00:BC4D:4C 85 BB  JMP $BB85

The code changes 85 (store accumulator in $09) to A5 (load accumulator from $09).

   BC4B:A5:85 = SZKUUGSA

However I found several other routines that also write to $09, as demonstrated 
by the codes below.

No damage from frontal attacks
SZNLELSA

Here's the code that runs when the player takes damage from the front:

 00:BB6D:18        CLC
 00:BB6E:65 09     ADC $0009 = #$00
>00:BB70:85 09     STA $0009 = #$00
 00:BB72:C9 0A     CMP #$0A
 00:BB74:90 0A     BCC $BB80
 00:BB76:20 A9 BB  JSR $BBA9

The approach is the same as the last code, changing STA into LDA:

   BB70:A5:85 = SZNLELSA

No damage from bosses
SZSUEGSA

Here's another routine that deducts player health when contacting a boss:

 00:BC56:A9 0A     LDA #$0A
 00:BC58:85 09     STA $0009 = #$00
 00:BC5A:4C 52 DE  JMP $DE52

Normally this causes instant death, but I think I ran across this with other
enemy types as well so I recommend this one for good measure.

   BC58:A5:85 = SZSUEGSA

No damage from poison potions
SZOLUPSA + SZOUXPSA

Here's another routine that runs when the player picks up a bad potion:

 00:B90D:A9 0A     LDA #$0A
 00:B90F:38        SEC
 00:B910:E5 09     SBC $0009 = #$00
 00:B912:4A        LSR
>00:B913:85 09     STA $0009 = #$00
 00:B915:A9 0A     LDA #$0A
 00:B917:38        SEC
 00:B918:E5 09     SBC $0009 = #$00
>00:B91A:85 09     STA $0009 = #$00
 00:B91C:A9 04     LDA #$04
 00:B91E:4C 7A B8  JMP $B87A

Two codes are required for this one, since there are two spots where $09 is written.

   B913:A5:85 = SZOLUPSA 
   B91A:A5:85 = SZOUXPSA

No death from spikes and bosses
AASISTPA

When the player walks on spikes, or touches the boss, the same code is used to
kill the player in both cases:

 07:DE52:A5 2E     LDA $002E = #$00
 07:DE54:F0 01     BEQ $DE57
 07:DE56:60        RTS -----------------------------------------
>07:DE57:20 69 CE  JSR $CE69
 07:DE5A:A9 00     LDA #$00
 07:DE5C:AA        TAX
 07:DE5D:9D 2C 04  STA $042C,X @ $0430 = #$AB
 07:DE60:E8        INX
 07:DE61:E0 04     CPX #$04
 07:DE63:D0 F8     BNE $DE5D
 07:DE65:8D 90 03  STA $0390 = #$00
 07:DE68:A9 0A     LDA #$0A
 07:DE6A:85 09     STA $0009 = #$00


Returning from this routine (RTS) allows the player to walk on spikes and contact
the bosses. The easiest way I found is to simply change the branch value from 
01 to 00 so the branch to RTS at $DE56 is taken:

   DE55:00:01 = AASISTPA

Walk through enemies
AVOIVSKL

Destroy enemies by touching them
ENKSUIEI

For these codes I was basically just testing some theories to try and find the
no damage codes, and ended up with some potentially useful alternatives.

I traced back the damage routines to $DD96 which appears to be the main routine
for when the player bumps into things:

 00:B834:68        PLA
 00:B835:20 4D D9  JSR $D94D
 00:B838:20 40 AA  JSR $AA40
 00:B83B:A6 58     LDX $0058 = #$00
 00:B83D:90 05     BCC $B844
 00:B83F:20 96 DD  JSR $DD96
 >07:DD96:BC 00 04  LDY $0400,X @ $0412 = #$43
  07:DD99:B9 65 B3  LDA $B365,Y @ $B3A8 = #$04
  07:DD9C:29 80     AND #$80
  07:DD9E:D0 07     BNE $DDA7
  07:DDA0:B9 65 B3  LDA $B365,Y @ $B3A8 = #$04
  07:DDA3:29 01     AND #$01
  07:DDA5:D0 29     BNE $DDD0
  07:DDA7:B9 65 B3  LDA $B365,Y @ $B3A8 = #$04
  07:DDAA:29 02     AND #$02
  07:DDAC:F0 13     BEQ $DDC1
  07:DDAE:A9 08     LDA #$08
  07:DDB0:20 17 F2  JSR $F217
  07:DDB3:20 2A F2  JSR $F22A
  07:DDB6:AD 50 03  LDA $0350 = #$00
  07:DDB9:F0 03     BEQ $DDBE
  07:DDBB:A6 58     LDX $0058 = #$12
  07:DDBD:60        RTS -----------------------------------------
  07:DDBE:4C F1 BB  JMP $BBF1
  07:DDC1:B9 65 B3  LDA $B365,Y @ $B3A5 = #$0C
  07:DDC4:29 80     AND #$80
  07:DDC6:D0 36     BNE $DDFE
  07:DDC8:AD 50 03  LDA $0350 = #$00
 >07:DDCB:D0 06     BNE $DDD3
  07:DDCD:4C F1 BB  JMP $BBF1
  07:DDD0:4C B6 B9  JMP $B9B6
  07:DDD3:BD 90 7E  LDA $7E90,X @ $7E92 = #$00
  07:DDD6:D0 01     BNE $DDD9
  07:DDD8:60        RTS -----------------------------------------
 00:B842:A6 58     LDX $0058 = #$00
 00:B844:E8        INX
 00:B845:E0 2C     CPX #$2C

On a hunch I tried turning the routine into an RTS and it causes the player to
simply walk straight through enemies.

   DD96:60:BC = AVOIVSKL


I was doing a little more poking around and when I looked at $DDC8, the game checks
$0350 to see if it's zero so I thought maybe that could be interesting to play with.

Changing the BNE at $DDCB into BEQ makes the game act as if the player has the 
invincibility potion.  Basically like Mario with a power star. :)

   DDCB:F0:D0 = ENKSUIEI

It even works on bosses! :D

[Manorock850]

Thanks and God bless you I have a guy that works for me that does NES and it's great to hear that people are talented on the Sega Genesis as well I appreciate it. I pretty much gave up on this I figured it's been on here for so long and no one responded I just figured people werent interested and I didn't want to bake and make a fool out of myself haha

[Manorock850]

I didn't want to bug people and make a fool out of myself it's nice that some people out there still try to help out thanks.

[Dteyn]

You bet! This is actually a pretty fun looking game, I might have to give it a play one day. I usually always play with Game Genie codes, hence why I like to make them when I can... it's just more fun for me that way.

Cheers!

[Manorock850]

These codes work just fine just Beat It thank you