HOST: 8BITCHIP.INFO
STATUS: ROOT IN PROGRESS

8BITCHIP.INFO

Hardware engineering, firmware mods, Sinclair & Atari projects, technical blog posts and community discussions.

!
NOTICE: The main landing page is currently being rebuilt. All sub-sites and repositories listed below are fully operational and updated regularly. Select a section to proceed.
GEM DESKTOP // TOS 2.06 ATARI ST / FALCON
💾
FLOPPY A:
💽
ACSI / IDE
⚙️
TOS PATCH
[CLICK TO EXPAND SCREENSHOT]
ACTIVE
// SECTION #01 HARDWARE & SOFTWARE

PP's Atari Pages

Extensive documentation, hard disk drivers, TOS patches, game hard drive adaptations, and custom hardware modifications for Atari ST, STE, TT030, and Falcon030.

STATUS: ONLINE ENTER SECTION >>
1982 Sinclair Research Ltd Z80 BUS / DIY

10 REM ** 8BITCHIP DIY INTERFACE **

20 OUT 31, 0 : REM RESET HARDWARE

30 PRINT "DIVIDE / IDE / CF INTERFACE OK"

0 OK, 0:1

[CLICK TO EXPAND SCREENSHOT]
ACTIVE
// SECTION #02 Z80 & INTERFACES

PP's ZX Spectrum DIY

Do-It-Yourself hardware projects for Sinclair ZX Spectrum 48K, 128K, +2, +3. Schematic diagrams, storage interfaces (DivIDE/CF), ROM expansions, and troubleshooting guides.

STATUS: ONLINE ENTER SECTION >>
ENGINEERING LOG // ARTICLES UPDATES & WRITINGS

Floppy Drive Emulation & High Density

Deep dive into floppy controller step pulses & sector headers.

CompactFlash DMA transfers on 16-bit bus

Benchmarking transfer speeds and bus stability.

[CLICK TO EXPAND SCREENSHOT]
ACTIVE
// SECTION #03 ARTICLES & LOGS

Technical Blog

Technical research writeups, teardowns, reverse engineering notes, floppy disk preservation, timing tests, and real-world project development logs.

STATUS: ONLINE ENTER SECTION >>
BULLETIN BOARD // DISCUSSIONS COMMUNITY & SUPPORT
► Atari ST hard disk driver v9 issues 24 replies
► ZX Spectrum DivIDE flashing help 12 replies
► General hardware debugging & repairs 88 replies
[CLICK TO EXPAND SCREENSHOT]
ACTIVE
// SECTION #04 COMMUNITY & BOARD

Discussion Forum

Join the community of 8-bit and 16-bit retro hardware enthusiasts. Get direct help with DIY builds, ask technical questions, discuss bugs, and exchange ideas.

STATUS: ONLINE ENTER SECTION >>
PRIMARY ARCHITECTURE Motorola 68000 / Z80
TARGET PLATFORMS Atari ST/TT & Sinclair ZX
REPOSITORY ACCESS Public / Direct Link
LAST CHECKED Continuous 2026