BootGenie

Patches for Boot Sector Games for Cheating

Boot Genie works on many 512-byte Boot Sector game titles for archaic x86 systems with proper BIOS support. Most effects are created to be valid at the same time.

Introducing Boot Genie Game Ehnhancer for Boot Sector Games

With Boot Genie, you can patch certain game-play features and create special effects on a selection of available Boot Sector games found on the github ecosystem. These patches will change the original source, if you want to revert, just note the patches you have made and re-run them all with the -R option to 'patch.' You could also re-clone/update the repo as well. These patches use the standard 'patch' utility found in most *nix platforms

Patching

run the patch utility and redirect in the patch. For example, if the game is tetranglix and you want to apply the time cheat, then patch the source with the following command: patch < tetranglix_time.patch

Reverting to the original source by removing this particular time cheat is as easy as: patch -R < tetranglix_time.patch

Re-Assemble

Note that you are patching the source file, not the game image. You must reassemble the patched game in order to see your effects. An example of reassembling the tetranglix game after patching is the same as if you were to assemble it for the first time. One example with nasm is as follows: nasm -f bin tetranglix.asm -o tetranglix

Playing

You can then flash to a real floppy drive or emulate in things such as Virtual Box and Qemu. A Qemu example of running one of these games after patching is: qemu-system-i386 -hda tetranglix

Code Symbols

There are several types of codes that you can use to enhance the game-play elements with Boot Genie patches. Below are some quick visual cues as to what the code may do, and each code in the individual game sections will have further descriptions.

- Invincibility
- Harder Difficulty
- More Lives
- Speed Modifications
- Time Modifications
- Score Modifications
- Rule/Logic Changes
- Multipliers
- Color/UI Changes
- Better/Improved Powerups
- Level Changes

Games:

Tetranglix - https://github.com/shikhin/tetranglix/tree/85e65dba4a1c4569baef1275d5afe7859d626d03

tetranglix_color.patch
- Just a pallet change to a brighter green environment
tetranglix_multiplier.patch
- Makes score increment by 255 points instead of just 1 point per vertical movement
tetranglix_square.patch
- This makes every tetronimo a square
tetranglix_score.patch
- This makes the top score 1,000, instead of 100,000
tetranglix_time.patch
- This makes the game slow down to half speed

Invaders - https://github.com/nanochess/Invaders/tree/0de3b3bb4ab03f1b9d4562e6ac05eec30f9c1168

invaders_advancement.patch
- Invaders advance down about a 1/3rd of the vertical distance for each horizontal swipe
invaders_lives.patch
- 127 lives instead of the original 4 lives
invaders_speed.patch
- Invaders move much slower than normal

fbird - https://github.com/nanochess/fbird/tree/7a7c27ac0081ea21b169964e2592a99d9b33eb9d

tronsolitare - https://github.com/XlogicX/tronsolitare/tree/37088a6498adab3deaa862ce6ffb25dbdd39606c

tronsolitare_highscore.patch
- Initializes the score to 0x0e00
tronsolitare_speed.patch
- Game plays at half speed
tronsolitare_speed2.patch
- Game plays at half speed and doesn't get incrementally faster
tronsolitare_noclipping.patch
- Bounds checking is off, you are invincible
tronsolitare_lowscore.patch
- Makes the winning highscore 0x2000 instead of 0xf600
tronsolare_nopoison.patch
- Only good/green powerups will show up

Boot-Man - https://github.com/guyhill/Boot-Man/tree/72d9d831887a5ff1b538ee3186236cef6de8cedb

boot-man_speed.patch
- Slows time down drastically
boot-man_invincible.patch
- Turns collision detection routines off, effectively making BootMan invincible
boot-man_level.patch
- New level, new color
boot-man_strongpill.patch
- The power pills now last 8 times as long

Snake - https://github.com/JulianSlzr/project512/tree/586c472b3e4999e536f208209c9da15a46985e16

snake_speed1.patch
- Makes game slower
snake_speed2.patch
- Makes game significantly slower
snake_speed3.patch
- Makes game nearly unplayably faster

bootRogue - https://github.com/nanochess/bootRogue/blob/0cd0872245c9af69489b023e02411b7582657039/rogue.asm

rogue_hp.patch
- Starting HP is 100 instead of 16
rogue_notraps.patch
- Traps can no longer hurt you
rogue_lantern.patch
- Magic Lantern - whole dungeons visible
rogue_bestfloor.patch
- Start on the best dungeon every time
rogue_bosses.patch
- Every enemy is like a boss, at quadruple the strength
rogue_infgoodies.patch
- Good items don't disapear when picked up, giving an infinite supply
rogue_nobattle.patch
- Enemies are now friends, they don't battle when you pass by
rogue_quickjourney.patch
- Amulet is now on the 2nd floor
rogue_starving.patch
- You now lose 1 HP every 8 moves, instead of 128

CodeGolf - https://github.com/taylor-hartman/codegolf](https://github.com/taylor-hartman/codegolf/blob/975de6a416cc37852e295c274ad6a3262d33f4d9/codegolf.asm

codegolf_bighole.patch
- The hole is 4x the area
codegolf_morepower.patch
- ...or infinit power, ball never stops. Careful where you aim it; it could never reach the hole in an infinite loop
codegolf_mulligans.patch
- Infinite tries

Patch Tips

Try to keep patched version same amount of lines of code if possible, this allows for patches to be applied all at once and to not interfere with other patches/cheats.
The actual command I use to create a patch: diff -u game.asm game_feature.hak > game_feature.patch

License

XlogicX/BootGenie

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