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  Nortel Call Processor NT9D19AB (68040)
using it for parts in my own 68040 design
By: newjes250 on Tue, 01 February 2022
10 8438 Sun, 18 September 2022 22:54
By: tomstorey
  WWII Enigma Machine
Not a computer, but really retro :-)
By: rhkoolstar on Tue, 30 August 2022
4 4020 Wed, 14 September 2022 08:09
By: rhkoolstar
  CFFA1 (for Apple I owners)
By: alkmar on Tue, 06 September 2022
0 1388 Tue, 06 September 2022 19:26
By: alkmar
icon5.gif Building a SBC specifically for use with Fuzix
Ideas / feedback wanted for new SBC project ( 1 2)
By: sebastian on Fri, 29 April 2022
46 33596 Sat, 03 September 2022 15:31
By: mikesmith
  (found, in-progress) 68030 ISA card design
By: mikesmith on Fri, 12 August 2022
4 3576 Mon, 15 August 2022 13:54
By: mikesmith
  EPROM emulators?
By: mikesmith on Sat, 30 July 2022
8 5406 Mon, 15 August 2022 12:46
By: tapy
icon7.gif An S100 Bus Raspberry Pi Zero CPU Board
S100 Bus, Raspberry Pi Zero
By: monahan on Sat, 13 August 2022
2 2410 Sat, 13 August 2022 18:46
By: monahan
  Multiple CPU cards in a single ECB system
By: grizaptimus on Tue, 19 July 2022
2 2483 Sun, 07 August 2022 15:42
By: newjes250
  The mini-68k's reset circuit is genius!
By: sparky62 on Mon, 18 July 2022
4 3892 Sat, 30 July 2022 01:36
By: tomstorey
  No ALT function on MSDOS 6.22 EDIT screen
Keyboard ALT MSDOS 6.22
By: microbit on Tue, 26 July 2022
0 1217 Tue, 26 July 2022 21:05
By: microbit
  VGA3 warbled text with MSDOS setup disk
Incorrect characters on VGA monitor
By: microbit on Tue, 26 July 2022
1 1813 Tue, 26 July 2022 21:01
By: microbit
  Building an Apollo Guidance Computer
By: Andrew B on Sat, 18 June 2022
4 4694 Sun, 24 July 2022 07:59
By: tomstorey
  MSX2 Compatible Computer Project ( ... 6 7 8 9 10)
By: Sergey on Tue, 23 January 2018
397 457032 Thu, 21 July 2022 17:34
By: cheshirenoir
  New Dragon 64 clone
By: danwerner on Tue, 05 July 2022
5 4216 Sat, 09 July 2022 03:18
By: bifo
  What is UNA's FSFAT.BIN?
By: sparky62 on Sat, 25 June 2022
1 1775 Sun, 26 June 2022 06:02
By: will
  Experimenting with P90CE201, a 68000 compatible microcontroller
Introducing X688
By: plasmo on Fri, 06 December 2019
23 25202 Mon, 20 June 2022 08:58
By: mikesmith
  sbc-188 v3
Compiling firmware for SBC-188 v3
By: oldefool on Mon, 06 June 2022
3 3418 Fri, 17 June 2022 17:43
By: microbit
  Arrow keys to SBC-188
key sequence to send arrow up/down etc to SBC-188 serial
By: microbit on Wed, 15 June 2022
0 1453 Wed, 15 June 2022 01:34
By: microbit
  SBC-188 DOS booting
Bad/missing command interpreter
By: microbit on Sat, 11 June 2022
1 2093 Sun, 12 June 2022 23:27
By: microbit
  SBC-188 V3.2 board problem [SOLVED]
By: microbit on Wed, 08 June 2022
6 5172 Sat, 11 June 2022 20:21
By: microbit
  edit and compile software for z80 system
Whats your reccomendations
By: comwarrior on Sun, 22 May 2022
4 4086 Sat, 04 June 2022 10:28
By: scruss
  HBC-56 project
65C02 + TMS9918A on a backplane
By: visrealm on Sun, 22 May 2022
5 5379 Wed, 01 June 2022 06:40
By: visrealm
  ZSID patched for Z180
ZSID is the Z80 CP/M debugger. it needs to know Z180 instructions
By: zenxyzzy on Sun, 20 February 2022
2 3325 Mon, 30 May 2022 02:12
By: hperaza
  Z80 MC6845 video board examples
shared memory designs with schematics
By: lynchaj on Wed, 31 March 2021
16 14726 Tue, 17 May 2022 06:09
By: etchedpixels
  Replacing my old hand-wired 65C02 card with a custom PCB
The trials and tribulations of replacing my old hand-wired 65C02 CPU card with a custom PCB.
By: visrealm on Sun, 15 May 2022
0 1473 Sun, 15 May 2022 19:56
By: visrealm
  replacing vintage CPU with MCU emulation
By: lynchaj on Fri, 06 May 2022
3 3574 Sat, 07 May 2022 09:16
By: scruss
  Favorite sources for vintage IC chips
By: curbie on Mon, 25 April 2022
7 6467 Thu, 05 May 2022 17:24
By: jayindallas
  MC6800 single-board computer
By: gbm on Fri, 28 January 2022
2 4559 Fri, 22 April 2022 02:35
By: gbm
  uPD7220 vs uPD72020
Z180GDC V1 discussion
By: lynchaj on Wed, 06 April 2022
2 4499 Sun, 10 April 2022 09:48
By: lynchaj
  WiFi for Mark IV
I've hacked hardware and software to add an ESP-01 to the Mark IV
By: zenxyzzy on Wed, 02 February 2022
1 2322 Sat, 09 April 2022 15:10
By: will
  Haalllloooo...
anybody home?
By: lynchaj on Mon, 28 March 2022
5 4634 Tue, 05 April 2022 14:26
By: etchedpixels
  Using Multi-Core Processors to build a in-circuit replacement/enhancement for vintage CPUs
The Parallax P2 Processor set me upon a design path I never expected... From "uFDC" to "uCPU"
By: jayindallas on Thu, 20 January 2022
32 24202 Sun, 03 April 2022 07:58
By: jayindallas
  ECB-DMA
Wolfgang Kabatzge's ECB-DMA ( 1 2)
By: b1ackmai1er on Sun, 10 November 2019
46 46734 Wed, 23 March 2022 10:05
By: lynchaj
  Parallel Printer Port driver for Z80
Looking for Z80 assembler code example
By: lynchaj on Wed, 16 March 2022
3 3672 Thu, 17 March 2022 18:34
By: cluso99
  DOS/65 Updated Version to 3.04 ROM
By: floobydust on Tue, 15 March 2022
0 1557 Tue, 15 March 2022 19:36
By: floobydust
  74LS688 vs 74LS521
Are these equivalent?
By: lynchaj on Sun, 27 February 2022
6 5814 Wed, 09 March 2022 11:33
By: lynchaj
  ZZRCC, Z280+RAM+CPLD+CFdisk, replacing ZZ80CF. ( 1 2)
By: plasmo on Sun, 20 December 2020
70 51053 Tue, 08 March 2022 00:36
By: borutk
  KiCAD footprint Molex drive power connector?
4 pin Molex PCB drive connector right angle or straight
By: lynchaj on Thu, 03 March 2022
0 1486 Thu, 03 March 2022 11:27
By: lynchaj
  ANN: Z280 CPU and Z280RC system Emulator
By: hperaza on Sat, 18 September 2021
5 5579 Thu, 03 March 2022 04:45
By: lowen
  Breakout clone for my 6502 / TMS9918A build
By: visrealm on Sun, 27 February 2022
1 2348 Tue, 01 March 2022 23:16
By: visrealm
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