Sinclair ZX80 / ZX81 / Z88 Forums

So I'm a verification engineer -- a bane to design engineers. "If it isn't verified, assume that it doesn't work." is one of my mantras. It's nice that the ZX-81/TS1000 ROM is provided here: https://github.com/pauloscustodio/ZX-81-ROMS However, does the zx81.rom file really contain a the contents of...

Hello everyone! OK, I've got the Sinclair bug again. Just a quick intro: I'm currently an electrical engineer doing mixed signal verification on data converter ASICs (RF ->digtial & digital -> RF) . Working backwards, Intel Itanium microprocessor hardware design, ASIC design for HP/Agilent, system d...