Author Topic: Sega CD 'Game Code Modifications' :p  (Read 5737 times)

Online Saturn

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Re: Sega CD 'Game Code Modifications' :p
« Reply #45 on: November 23, 2016, 16:50:30 PM »
Hacked Sega CD game #44; Battlecorps.
Can't say enough good things about this game. From the soundtrack to the visuals, it's a masterpiece imho.
Nothing like tearing through a near-open world destroying almost everything in sight. 8) 8)



Here's a video I just made of stage 4 and me wandering through it without a clue what to blow up next lol. Will be adding more as I finish playing through. Awesome game!!




Final Boss fight and odd ending:


Battlecorps (U)
Spoiler: show
Infinite Health: 1 instance @ 0x000299D8
F9E84A790000F9E2670E91790000F9E2
F9E84A790000F9E2670E60040000F9E2
« Last Edit: November 23, 2016, 22:11:01 PM by Saturn »

Offline Shadowrunner

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Re: Sega CD 'Game Code Modifications' :p
« Reply #46 on: November 23, 2016, 19:39:47 PM »
Another great Sega CD game. I had it years ago but never made it very far because of the difficulty. I could have really used your hacks!

Online Saturn

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Re: Sega CD 'Game Code Modifications' :p
« Reply #47 on: November 23, 2016, 19:48:26 PM »
I hear that. I couldn't beat this game without it.
Or, if I did it would take so long that it wouldn't be worth it.

Online Saturn

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Re: Sega CD 'Game Code Modifications' :p
« Reply #48 on: November 25, 2016, 01:57:35 AM »
Hacked Sega CD game #45; Stellar Fire

I don't know how this was even released let alone called a game. I guess in some circles it's appreciated but it looks in an early alpha stage to me. Was fun listening to the cool soundtrack through the 6 very long levels. Not that the levels were particularly hard or complex, just the travel time between goals on each. Wow.


Here's a video of me pillaging through level one. The other five are pretty much the same..



Stellar Fire
Spoiler: show
Infinite Shields: 18 instances, change the 6 below
Search: 484192406A04323C000048412141003A
Change: 484192406A04323C000060042141003A

Change @ the following addresses:
0x04214FBC (stage 1)
0x04290BC4 (stage 2)
0x0431B5B0 (stage 3) NOTE: stay close(r) to the boss during the battle so he can't throw a long range icicle that'll stick in your vehicle causing the game to crash.
0x043B3154 (stage 4)
0x0442DA58 (stage 5)
0x044C250C (stage 6)

Online Saturn

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Re: Sega CD 'Game Code Modifications' :p
« Reply #49 on: November 26, 2016, 03:56:09 AM »
Hacked Sega CD game #46; Radical Rex

Played through this a zillion times at work today testing hacks. Great platformer and I found the fire breathing and its upgrades to be a nice twist. Developed a sick obsession for collecting every egg on each stage and while time consuming, it was a fun challenge.


Level Select:
On the player number selection screen, push the following button combination on controller number two:
A, C, down, right, up, B

Radical Rex (U)
Spoiler: show
Infinite Continue Time: 1 @ 0x000F9490
Search: FF7033FC003C0002FFD253790002FFD4
Change: FF7033FC003C0002FFD260040002FFD4

Infinite Continues: 11 instances, change the first 10
Search: 4A40670000B022790000F9565369000E
Change: 4A40670000B022790000F9566002000E
or change all:
Search: 00143029000E670000BC4EB9000257644A40670000B022790000F9565369000E
Change: 00143029000E670000BC4EB9000257644A40670000B022790000F9566002000E

Infinite Lives: 11 instances, change the first 10
Search: F9566000009408070000665053690010
Change: F9566000009408070000665060040010
or change all:
Search: F956600000940807000066505369001067106100010453406700FF1822486000
Change: F956600000940807000066506004001067106100010453406700FF1822486000

Infinite Health: 10 instances, change all
Search: 302D0098670690416E0270003B400098
Change: 302D0098670690416E02700060040098

No Damage from Nose Leeches: 2 instances, change both
Search: 4EF90000C62220790000FBE491680098
Change: 4EF90000C62220790000FBE460020098

Invulnerability (after 1st hit on each stage): 10 instances, change all
NOTE: Lava and certain enemies that eat or crush will still kill you and sabre tooth tiger breath will too if it's the initial hit.
Search: 4E75302C00306718534039400030
Change: 4E75302C00306718600439400030

Invulnerability Bonus Stages: 3 instances, change all
Search: FFD6670E0A6D2000000853790002FFD6
Change: FFD6670E0A6D2000000860040002FFD6

Infinite Roar Fossil on pickup: 9 instances, change all
NOTE: Doesn't work on stage 7
Search: 00036734302C001A672E53403940001A
Change: 00036734302C001A672E53406002001A

Infinite Air: 2 instances, change both
Search: 67025D400440000A6A02700039400028
Change: 67025D400440000A6A02700060020028

Puffer Fish Can't Steal Your Air: 2 instances, change both
Search: 0060B06C00326504302C003239400028
Change: 0060B06C00326504302C003260020028

Online Saturn

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Re: Sega CD 'Game Code Modifications' :p
« Reply #50 on: November 27, 2016, 05:03:38 AM »
Hacked Sega CD game #47; Time Cop
Even though it wasn't completely finished on the Sega CD, this beta is pretty close. Found you can't continue as it crashes when attempted but the one level demo below has that part fully functional. Not a lot of fun but it's based on a Van Damme movie so I'm gonna play it..... and like it :p


Time Cop (E)
Spoiler: show
Infinite Time: 1 instance @ 0x0000AF7A
Search: 10387051670C53387051705911C07052
Change: 10387051670C53387051705911C06002

Infinite Gun: 1 instance @ 0x0000C956
Search: 66F69040720110387654810111C07654
Change: 66F69040720110387654810111C06002

Infinite Lives: 1 instance @ 0x0000CBBC
Search: 662A904072011038764E810111C0764E
Change: 662A904072011038764E810111C06002

Full = 64
Infinite Health: 1 instance @ 0x0000B8F2
Search: 72B231FC043672B050F8764D51787652
Change: 72B231FC043672B050F8764D51786002

Invulnerable: 1 instance @ 0x0000C65A
Search: 00FF3D4000464A6E005A6718536E005A
Change: 00FF3D4000464A6E005A67186004005A normal
Change: 00FF3D4000464A6E005A67186002005A blinking

Infinite Bombs: 1 instance @ 0x0000BF70
Search: 10387655670E92417201810111C07655
Change: 10387655670E92417201810111C06002




Time Cop (U)-one level demo
Spoiler: show
Infinite Time: 1 instance @ 0x0000CBE2
Search: 10387049670C53387049705911C0704A
Change: 10387049670C53387049705911C06002

Infinite Lives: 1 instance @ 0x0000EC12
Search: 662A9040720110387648810111C07648
Change: 662A9040720110387648810111C06002

Infinite Health: 1 instance @ 0x0000D69E
Search: 72AC31FC043672AA50F876475178764C
Change: 72AC31FC043672AA50F8764751786002

Infinite Bullets: 1 instance @ 0x0000E9AA
Search: 66F6904072011038764E810111C0764E
Change: 66F6904072011038764E810111C06002

Invulnerable: 1 instance @ 0x0000E6A8
Search: 00FF3D4000464A6E005A6718536E005A
Change: 00FF3D4000464A6E005A67186004005A normal
Change: 00FF3D4000464A6E005A67186002005A blinking

Online Saturn

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Re: Sega CD 'Game Code Modifications' :p
« Reply #51 on: November 27, 2016, 19:13:00 PM »
Hacked Sega CD game #48; Battle Frenzy

Found this game to be a lot of fun. Reminded me of DOOM/Quake right away. Great game and in my top 10 for the system now 8)


Regular Cheats:
At any point during the game, pause the game and press the button combination to receive the desired effect.
B, B, B, Right, Down, Left = Full Ammo
C, C, B, A, Down, Down = Full Oxygen
A, A, Left, Right, Left, Right = Lock on Mode
Left, B, C, Down, Down, Right    = Obtain Cannon
Down, Down, B, C, Up, Up = Obtain Red Key
Up, Up, B, C, Down, Down = Obtain Yellow Key
Up, Right, Down, Left, Up, Right = Piercer
C, Up, Up, Right, Right, A = Rapid mode
Left, Right, C, A, B, Right = Ricochet mode
Up, A, Up, A, A, Down = Skip to the next level
Up, B, Up, A, B, B = Spray mode
A, A, A, Right, A, Right = Tribolt mode

Battle Frenzy (U)
Spoiler: show
Infinite Ammo on pickup (all weapons): 1 instance @ 0x00407112
Search: 4A7900059DEE66000004E28891AB0002
Change: 4A7900059DEE66000004E28860020002

Infinite Lives: 1 instance @ 0x00404BA4
Search: 0040322E01003D410102D2403D410100
Change: 0040322E01003D410102D24060020100

Infinite Continues: 1 instance @ 0x004041A2
Search: 4EB90000BB4A6000003A537900059CC2
Change: 4EB90000BB4A6000003A600400059CC2

Infinite Continue Time: 1 instance @ 0x003FE02A
Search: 0647003248A70B004EBAD8904C9F00D0
Change: 0647003248A70B004EBAD8904C9F6002

Infinite Health: 1 instance @ 0x00404AD0
Search: 4EB9000374064CDF470170003D400106
Change: 4EB9000374064CDF4701700060060106

Disable Stage-End Countdown: 1 instance @ 0x003D32C6
Search: 7200323900059D8C534133C100059D8C
Change: 7200323900059D8C600233C100059D8C
« Last Edit: July 13, 2017, 20:34:26 PM by Saturn »

Offline marcopaulo

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Re: Sega CD 'Game Code Modifications' :p
« Reply #52 on: February 01, 2018, 00:15:09 AM »
i'm using HxD Hex Editor, i try to apply these modifications to keio flying squadron; the game opens fine in kega fusion, but none of these cheats work. i guess i must be doing something wrong; could anybody pass over a tutorial on how to use the HxD Hex Editor to do this correctly?