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!
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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!