Misc. Projects&Random Useless Stuff – Well… Mostly useless stuff, in fact !

03/23/2019 Uncategorized

PSoC5-z80 v4 – now runs ZX81 too…

The principle used for the previous z80/CPM board support was using the WAIT signal, in response to an IORQ request

‘Smart’ tray are not available… Ended by modifying the blank fillers… I have removed the back of the filler (the

I have soldered one board (two in fact, first one was faulty…). There is still one error on the PCB,

The v4 PCB is not tested/soldered yet, but I have added preliminary support for the MBC2 binaries from the SD

New PCB arrived (corrections+added LED), not tried to solder components yet (I don’t have spare parts…)

Not finished and not error-free, but yet promising Now the z80, ram and Psoc are on the same board (~

A new iteration of the concept : Romless z80sbc with a PSoC5 module that is doing bootloader/glue logic/serial output &

From http://jjmz.free.fr to http://blog.pommerie-michel.fr

My target has been to create a functional Z80 board using minimum parts while being able to run Grant Searle’s

On just one breadboard now … I removed the 32-pin flash and replaced it by an SPI-SD card breakout board.