Subj : Re: Old Geek Thoughts... To : Jeff From : McDoob Date : Thu Jan 06 2022 21:27:20 Je> As far as not having an actual ZX Spectrum, if you're a decent solderer Je> you can remedy that with Harlequin kit, also available from ByteDelight. Je> Sure you're not sponsored? ;) I used to be pretty good with a soldering iron, but it has been a long time, and I don't have an iron anymore...If I was going to take on a project like that, it'd probably be a C64 clone, though...No offense to ZX Spectrum, but I never owned one, and I did a C64, for a long time. Je> The original ZX Spectrum required only one specialized chip: the ULA (an Je> early FPGA-like chip). However, it's been reverse-engineered and can be Je> duplicated with commonly-available logic chips, albeit a large number of Je> them which results in a somewhat tightly-packed circuit board. Je> That's a problem for C64, from what I've heard...I think the SID chip hasn't been reverse-engineered... I have a few projects, PiBBS for instance, that should keep me busy for at least the winter, anyway. McDoob SysOp, PiBBS pibbs.sytes.net --- Mystic BBS v1.12 A46 2020/08/26 (Raspberry Pi/32) * Origin: PiBBS (21:4/135) .