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The correct way! Same way early consoles used clever hardware tricks to get more out of themselves. The Speccy was designed completely the other way round from most 8-bit home micros. Then hold _ROMCS high to disable the internal ROM. I think it’s just about as simple as connecting a ROM chip up to the Z80 bus, to respond to the bottom 16K of addresses. Posted in classic hacks, Peripherals Hacks Tagged keyboard, usb keyboard, ZX, ZX Spectrum Post navigation As far as the usability of a Spectrum keyboard goes, at least didn’t have an Atari 400 sitting in the attic. The firmware is available on ’s repo, available to anyone who doesn’t want to pay the £50 a new ZX Spectrum keyboard will cost.
#Sinclair zx spectrum heat leader pro#
It runs on an Arduino Pro Mini, scanning the matrix of five columns and eight half rows to turn combinations of keypresses into an astonishing number of commands, given the limited number of keys on the ZX. While most projects that take an old key matrix and turn it into a USB keyboard use the TMK firmware, wanted to flex his programming muscles and wrote the firmware from scratch. wanted to recreate the feeling of sitting right in front of the TV with his Speccy, leading him to create the ZX Keyboard, a Spectrum repurposed into a USB keyboard.
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They’re a little hard to find in the US, but the ZX Spectrum is right up there with the Commodore 64 and the Atari 8-bit computers in England.