Romantic Robot Multiface 128 Clone for ZX Spectrum – Step-By-Step Build!

We’re building a Multiface 128 clone today. Originally by Romantic Robot, this device allows you to freeze, inspect and dump the content of memory to a storage device, which in no way was a boon for pirates at all, nope!

🤞 PLEASE HELP MARK FIXES STUFF SURVIVE 🏆: Due to “The Event” my livelihood vanished in a puff of smoke. If you can spare some change to help support the channel it is really appreciated and even the smallest pledge goes a long way in helping make more content and feed my cats (and children). Visit https://patreon.com/markfixesstuff for more info about Patreon Benefits!

00:01 – Introduction to the Multiface 128 clone for 48k and 128k ZX Spectrums.
00:13 – Mark Fixes Stuff Intro.
00:18 – PCBWay Sponsor Thanks.
00:31 – Multiface Clone project parts required.
01:57 – A ready-made ZX Spectrum edge connector from https://www.thefuturewas8bit.com/shop/sinclair/sinclair-spares/zxedge.html
02:13 – Cleaning the Multiface 128 recreation PCB.
03:17 – Soldering the decoupling capacitors.
06:01 – Installing the resistors.
06:30 – Installing the DIP14 sockets for the 74 series logic chips.
09:49 – Installing the DIP28 sockets for the 27C64 EPROM and the SRAM chip.
11:40 – Installing the momentary tactile switch for the NMI function.
12:10 – Installing the ZX Spectrum Edge connector!
14:07 – Why you still need to clean “No-Clean” flux!
14:39 – Programming the EPROM for the Spectrum Multiface 128.
17:15 – Installing the supporting 74 series logic chips in the Multiface.
18:15 – Inserting the EPROM prgrammed with the Multiface 128 v87.12 ROM file.
18:23 – Installing the SRAM chip.
18:36 – The Romantic Robot 128 recreation for ZX Spectrum is complete!
18:45 – Testing the build works on a 48k Spectrum
19:25 – Test on a 129k +2 (Grey/Gray) Spectrum
19:30 – Incompatabilities with later models.
19:45 – Patreon thanks
20:05 – Further viewing that you might enjoy!

The project was reversed by Stephen Smith and has been used here with his express consent. You can order your own boards from https://www.pcbway.com/project/shareproject/Romantic_Robot_Multiface_128_Recreation_for_ZX_Spectrum.html, where you will also find a parts list.

The file you need for programming the EPROM is here: http://markfixesstuff.co.uk/electronics/multiface-128-romantic-robot-v87-12-rom-file-for-eprom-programming/

Visit the ProjectSpeccy Tindie store here – https://www.tindie.com/stores/projectspeccy/

BIG THANKS to my Patreon Supporters.
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