| Turbografx-16 CD BIOS Math Functions | Dave Shadoff | This covers the BIOS functions that are used for mathematical operations. | Hardware Info. | TGCD | N/A | 1.0 | Int | 08 Aug 1996 |
| Turbografx CD Boot Sector | Jens Ch. Restemeier | This covers the $20 byte “header” of the boot sector of a Turbografx CD-ROM. | Hardware Info. | TGCD | N/A | 1.0 | Int | 14 Nov 1997 |
| Turbografx CD Intro | Dave Shadoff | Using Dungeon Explorer 2 as an example, David explains the Turbografx CD boot sector. | Hardware Info. | TGCD | N/A | 1.0 | Int | 07 May 1996 |
| Electronix Corp NES Schematic | OEM | This is a schematic of the Nintendo Entertainment System, of the chips and circuit board inside as well as the controllers. This is not an official Nintendo schematic document. It was drawn by Electronix Corp. | Hardware Info. | NES | N/A | 1.0 | Adv | 12 Jul 2011 |
| GBC Hardware | Reza Lotun | This is pretty decent reference document for the Gameboy’s hardware. However, the GBC specific hardware registers aren’t covered. | Hardware Info. | GB | N/A | 1.0 | Int | 27 Nov 2011 |
| Everynes - Nocash NES specs | Martin Korth | This is a very detailed NES/Famicom/FDS hardware specification document by the author of No$NES emulator. Anything from general operation to the many mapper controller specification, this document about has it all. | Hardware Info. | NES | N/A | 1.0 | Int | 01 Jan 2004 |
| Famicom Disk System Technical Reference | Brad Taylor | This is a Famicom Disk System technical reference document and there is also a BIOS disassembly included. | Hardware Info. | FDS | N/A | 1.0 | Adv | 23 Apr 2004 |
| NES APU Sound Hardware Reference | Blargg | This is a useful programmer reference of the Nintendo Entertainment System’s sound hardware. | Hardware Info. | NES | N/A | 1.0 | Adv | 30 Jun 2004 |
| FDS Sound | Disch | This document is a reference to Famicom Disk System expansion audio. | Hardware Info. | FDS | N/A | 1.0 | Int | 14 Jul 2004 |
| FDS Loader Documentation | Brad Taylor | This package has detailed information on how to create your own FDS loader modifications to your FDS and has the software included. The disk loading functions are emulated through the software.
This archive is extremely useful to make your own l…. | Hardware Info. | FDS | N/A | 1.0 | Adv | 21 Nov 2002 |
| SH-4 Hardware Specifications | OEM | SH-4 programming manual. You’ll need it to work with the Dreamcast processor. | Hardware Info. | DC | N/A | 1.0 | Int | 04 Mar 1999 |
| NES Memory Mapping | Disch | Explains PRG/CHR swapping in NES games, what mappers are and what they do, how to convert between CPU Addresses and ROM offsets, and lays out basic blueprints of the most common NES mappers. | Hardware Info. | NES | N/A | 1.0 | Int | 26 Jun 2007 |
| PC Engine hardware info | OEM | These 3 documents contain info on the PC Engine’s Video Color Encoder(VCE), CPU memory layout, and the Video Display Controller (VDC). | Hardware Info. | TG16 | N/A | 1.0 | Int | 01 Oct 2005 |
| How NES Graphics work | yarbles | A narative on how the NES displays graphics. | Hardware Info. | NES | N/A | 1.0 | Beg | 27 Jan 1999 |
| Quick CDrom explanation | Doomed | A very technical document on the PSX CD ROM drive. | Hardware Info. | PSX | N/A | 1.0 | Adv | 01 Jan 2000 |
| GPU information | Doomed | A document on the Graphics Processing Unit of the PlayStation. | Hardware Info. | PSX | N/A | 1.0 | Int | 30 Aug 1999 |
| GTE information | Doomed | A document on the Geometry Transformation Engine of the PlayStation. This is the chip responsible for the 3d calculations. | Hardware Info. | PSX | N/A | 1.0 | Int | 02 Feb 2000 |
| SPU information | Doomed | A document detailing the operation of the PlayStation’s Sound Processing Unit. | Hardware Info. | PSX | N/A | 1.0 | Int | 05 Jun 1999 |
| SNES Cart Hacking Info | Siudym | This is an extremely detailed technical document of SNES cartridge pinouts. | Hardware Info. | SNES | N/A | 1.0 | Adv | 01 Jan 2001 |
| System Operation | Doomed | A document detailing the operation of the R3000 processor, the heart of the PlayStation. | Hardware Info. | PSX | N/A | 1.0 | Int | 03 Jun 1999 |
