my ZX81 ULA replacement - vhdl for xc9500xl (9572xl-64)
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Project Navigator Output (v14.7 - lin64 image running with VirtualBox)
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Prototype Photos
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Schematic (badly named schematic_xc9536... but really needs a xc9572)
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xc3sprog tp program the CPLD, from a RPI
- https://anastas.io/hardware/2020/09/29/xc9500-cpld-raspberry-pi-xc3sprog.html
- See also the 'remoteprog' script
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Quite useful : Wavedrom.com
