https://github.com/crapola/twin_cobra_disasm
Disassembly of Twin Cobra for the Sega Genesis.
https://github.com/crapola/twin_cobra_disasm
disassembly sega-genesis sega-mega-drive
Last synced: 8 months ago
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Disassembly of Twin Cobra for the Sega Genesis.
- Host: GitHub
- URL: https://github.com/crapola/twin_cobra_disasm
- Owner: crapola
- Created: 2023-08-02T14:57:17.000Z (about 2 years ago)
- Default Branch: master
- Last Pushed: 2025-03-02T18:47:13.000Z (8 months ago)
- Last Synced: 2025-03-02T19:32:15.320Z (8 months ago)
- Topics: disassembly, sega-genesis, sega-mega-drive
- Language: Assembly
- Homepage:
- Size: 104 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: readme.md
Awesome Lists containing this project
README
Partial disassembly and analysis of *Twin Cobra* for the Sega Genesis.
The ROM used is `Twin Cobra - Desert Attack Helicopter (USA).md`\
SHA256: `23c1dd768c455067ad614c6c054db59176b0bda0f6531fff56da023e224cd512`
## Project navigation
[`object_struct.txt`](object_struct.txt): Structure of runtime game objects.\
[`RAM.txt`](RAM.txt): Map of the RAM.\
[`ROM.txt`](ROM.txt): Map of the ROM.\
[`twincobra.asm`](twincobra.asm): Assembly file generated by the [Exodus emulator](https://github.com/exodusemulator/Exodus) and stripped of data. Some functions are commented.
The `tables/` folder contains text file describing data in the ROM. They are named after their address.
- [` 3FFE`][t1]: Object IDs and update functions.
- [` 505C`][t2]: Trigonometry tables for 16 angles.
- [` 63F8`][t3]: Trigonometry tables for 32 angles.
- [`22956`][t4]: Spawn functions.
- [`92800`][t5]: Areas.
- [`96800`][t6]: Sequences.
[t1]: /tables/3FFE.txt
[t2]: /tables/505C.txt
[t3]: /tables/63F8.txt
[t4]: /tables/22956.txt
[t5]: /tables/92800.txt
[t6]: /tables/96800.txt