# F3DEX2: matching disassemblies of Nintendo 64 RSP microcode

> F3DEX2 is a set of matching disassemblies of the Nintendo 64 F3DEX2 and F3DZEX2 RSP microcode family. Matched examples include F3DEX2 2.04 through 2.08H and F3DZEX2 2.06H, 2.08I, and 2.08J, in fifo, xbus, and No Nearclipping variants.

- Type: Case study
- Targets: Firmware
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/Mr-Wiseguy/f3dex2>
- Primary source: <https://github.com/Mr-Wiseguy/f3dex2/blob/bd31393fd02b89e024b043c8c50c9a5a10143fb6/README.md>
- Catalog page: <https://awesomerea.org/resources/f3dex2-disasm/>
- Record JSON: <https://awesomerea.org/resources/f3dex2-disasm/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/f3dex2-disasm/index.md)

## Requirements & limits

- Further version and flag combinations are expected to match after they are added to ucodes_database.mk.
- The README names no license.

## Primary sources

1. <https://github.com/Mr-Wiseguy/f3dex2/blob/bd31393fd02b89e024b043c8c50c9a5a10143fb6/README.md>

## More in Firmware and hardware

- [B3603: reconstructing control-board behavior for replacement firmware](https://awesomerea.org/resources/b3603-case/index.md) · Case study
- [SmartClock-OSS: rebuilding SD Pro Smart Weather Clock firmware](https://awesomerea.org/resources/smartclock-oss-case/index.md) · Case study
- [Radtel RT-890: reimplementing radio firmware v1.34](https://awesomerea.org/resources/radtel-rt-890-firmware-case/index.md) · Case study
- [Macrosilicon Custom Firmware: rebuilding USB video chip EEPROM firmware](https://awesomerea.org/resources/macrosilicon-custom-firmware-case/index.md) · Case study
- [Obliteration: reconstructing the PlayStation 4 kernel](https://awesomerea.org/resources/obliteration-case/index.md) · Case study
- [libElysianVMU: reconstructing the Dreamcast Visual Memory Unit](https://awesomerea.org/resources/libelysianvmu-case/index.md) · Case study

## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.