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Re: [N8VEM-S100:5052] Re: ARM CPU on the S100Bus-II
It's already been done for the Z80 several times with WizNet modules.
These two implementations each use some extra "glue" logic - KCNet talks to the Wiznet module through a PPI chip and Spectranet has a separate microprocessor. This allows the implementations to be moved to different systems.
But since the Wiznet modules essentially have the same address, data, and chip select lines as an SRAM chip, I don't see why a direct IO or memory mapped version couldn't be produced for an S-100 card. The chip itself supports both modes.
On Wednesday, August 27, 2014 2:12:37 AM UTC-7, pbirkel wrote:
Hackaday just posted about the ESP8266 WiFi Module.
"a microcontroller on the module takes care of all the WiFi, TCP/IP stack, and the overhead found in an 802.11 network. It's addressable over SPI and UART"
Worth keeping a eye on for a cheap TCP/IP stack implementation to get on-the-net from retro-hardware (UART)?
On Tue, Aug 26, 2014 at 9:50 PM, G. Beat <greg...@gmail.com>
I would like to see network connectivity.
In the TCP/IP stack -- FTP would be useful, but I don't think anyone will revive GOPHER protocol.
When I was in graduate school (1983), we has the Altos 8086 10 MHz running SCO Xenix (OS) supporting 3Com Thin-Net (10-Base-2) network in lab. Client computers were the new IBM PC and XT models, running IBM DOS 1.1 and 2.0
Datapoint (8-bit 2200) was supporting their ARCNet (2.5 Mb) throughout the mid to late 1970s.
In early 1990s, I inherited a large number of old NCR system (circa late 1970s) that ran a version of FORTH, and only supported RS-232 ports. As I designed and installed new infrastructure, I needed a method to access those systems.
We ended up using Terminal Servers "in reverse" of the typical configuration.
The network became the access and the NCR's serial ports were interfaced to terminal servers as "network front-ends".
Industrial networks have palm sized terminal servers, and these appear as surplus now and then.
Digi One SP is a single port TS model. Opens up the ability to telnet or SSH anywhere in world (tablet, iPad) to your S-100 system.