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Justin Olbrantz (Quantam)
Longtime programmer, reverse-engineer, and modder. Well-known in the Blizzard game modding community during the late 90s and early-mid 2000s where he wrote two of the most popular modding tools and did reverse-engineering work contributing to several of the other most popular tools. Since then he has expanded into hardware engineering and embedded software.
Metroid II EJRTQ is his second game console reverse-engineering effort and first console programming project.
7 Hacks
| Title | Description | Author | Category | Version | Date |
|---|---|---|---|---|---|
| mm2ft (Mega Man 2 FamiTracker Conversion) | mm2ft is a tool for hack-makers that adds FamiTracker Module playback support to Mega Man 2 (or Rock... | Justin Olbrantz (Quantam) | Improvement | 1.0.1 | 11 January 2024 |
| mm1ft (Mega Man FamiTracker Conversion) | The mm1ft patch adds FamiTracker Module playback support to Mega Man/Rockman, both making it far eas... | Justin Olbrantz (Quantam) | Improvement | 1.0 | 09 January 2024 |
| Mega Man 2 + Rockman 2 Sprite Lag Reduction Patch | This patch eliminates a gross inefficiency in MM2/RM2's sprite buffer clearing method, reducing over... | Justin Olbrantz (Quantam) | Improvement | 1.0 | 23 January 2023 |
| Mega Man 2 + Rockman 2 Scrolling Fix | This patch rewrites the method used by MM2/RM2 for vertical scrolling so that it no longer shows vis... | Justin Olbrantz (Quantam) | Improvement | 1.0 | 23 January 2023 |
| Mega Man 2 + Rockman 2 MMC3 Conversion | This patch converts MM2/RM2 to use the MMC3 mapper, allowing both larger ROMs (up to 512 KB PRG-ROM)... | Justin Olbrantz (Quantam) | Improvement | 1.0 | 21 January 2023 |
| Kid Icarus Timbre Table Patch | Music timbre information (e.g. duty cycle) for tracks in Kid Icarus is hard-coded in an extremely li... | Justin Olbrantz (Quantam) | Improvement | 1.0 | 09 June 2022 |
| Metroid (USA) Music Table Patch | Music timbre information (e.g. duty cycle) for tracks in Metroid is hard-coded in an extremely limit... | Justin Olbrantz (Quantam) | Improvement | 1.0 | 07 June 2022 |
0 Translations
1 Utility
| Title | Description | Author | Category | Version | Language | Date |
|---|---|---|---|---|---|---|
| makeftrom | makeftrom is the companion tool to the various game FamiTracker music conversions e.g. mm2ft, lozft,... | Justin Olbrantz (Quantam) | Sound | 1.0 x64 | English | 23 Dec 2023 |
8 Documents
| Title | Description | Author | Category | Version | Date |
|---|---|---|---|---|---|
| Super Mario Bros. 3 Music Format | This specification fully documents the music format used by Super Mario Bros. 3 in sufficient detail... | Justin Olbrantz (Quantam) | Audio Hacking | 1.1 | 20 Jan 2023 |
| Kid Icarus Music Format Addendum | Kid Icarus uses the same music engine and format as Metroid, which is already documented. This adden... | Justin Olbrantz (Quantam) | Audio Hacking | 1.0 | 9 Jun 2022 |
| Mother Music Format | This specification fully documents the music format used by Mother (the Japanese version for Famicom... | Justin Olbrantz (Quantam) | Audio Hacking | 1.0 | 8 Jun 2022 |
| Tetris (NES) Music Format Addendum | Tetris (NES) uses the same music engine and format as [url=https://retrohackers.net/document-details... | Justin Olbrantz (Quantam) | Audio Hacking | 1.0 | 8 Jun 2022 |
| Metroid (NES) Music Format | This specification fully documents the music format used by Metroid (NES) in sufficient detail to cr... | Justin Olbrantz (Quantam) | Audio Hacking | 1.0 | 7 Jun 2022 |
| Final Fantasy II (NES) Music Format | This specification fully documents the music format used by Final Fantasy II (NES) in sufficient det... | Justin Olbrantz (Quantam) | Audio Hacking | 1.0 | 1 Jun 2022 |
| Final Fantasy III (NES) Sound Format | This specification describes the music and sound effect format used by Final Fantasy III (NES) in su... | Justin Olbrantz (Quantam) | Audio Hacking | 1.0 | 1 Jun 2022 |
| Capcom Sound Engine 1 Format | This specification fully documents the Capcom Sound Engine 1, Capcom's first in-house NES sound engi... | Justin Olbrantz (Quantam) | Audio Hacking | 1.0 | 2 May 2022 |