The Spectranet - a project to bring the Internet to the ZX Spectrum

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Perini

Dylan Smith's presentation to Imperica's "Horizons" event. BFI, London, 5/6 May 2012. www.imperica.com/horizons

Technologie Business

Going online with 48K and a rubber keyboard...

The Spectranet – A project to bring
the Internet to the ZX Spectrum

From Inspiration to Implementation

The Wiznet W5100

Released in 2007

Designed for 8 bit systems

Addressable as either memory or IO
Integrated ethernet MAC and PHY
100Mbit/sec

Ofﬂoads TCP/IP from main CPU

Perfect for old 8 bit systems!

Prototyping – The breakout boards

W5100 Ethernet breakout board

Xilinx XC9572XL
breakout board

Breadboard prototype of the entire Spectranet

The Software
* Network operating system

* Module support
- BASIC extensions
- ZX Channels and streams
- Snapshot manager

* Filesystem support
- TNFS (Tiny Network Filesystem)

* C language support
- C socket library

* Subset of utf-8 (Spanish, French,
German, Portugese)

* Flash conﬁguration support

* Firmware upgrades over the network

Demonstration...

(Shamelessly stolen from Pudrete Flanders
www.pudreteflanders.com)

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The Spectranet - a project to bring the Internet to the ZX Spectrum

1. Going online with 48K and a rubber keyboard... The Spectranet – A project to bring the Internet to the ZX Spectrum

2. Inspiration

3. Inspiration

4. From Inspiration to Implementation The Wiznet W5100 Released in 2007 Designed for 8 bit systems Addressable as either memory or IO Integrated ethernet MAC and PHY 100Mbit/sec Ofﬂoads TCP/IP from main CPU Perfect for old 8 bit systems!

5. Prototyping the Spectranet

6. Prototyping – The breakout boards W5100 Ethernet breakout board Xilinx XC9572XL breakout board

7. Breadboard prototype of the entire Spectranet

8. The ﬁnal product

9. The Software * Network operating system * Module support - BASIC extensions - ZX Channels and streams - Snapshot manager * Filesystem support - TNFS (Tiny Network Filesystem) * C language support - C socket library * Subset of utf-8 (Spanish, French, German, Portugese) * Flash conﬁguration support * Firmware upgrades over the network

10. Demonstration... (Shamelessly stolen from Pudrete Flanders www.pudreteflanders.com)