z80 ⁽¹⁰⁾

Custom Z80 Computer Home Currently this board is very simple because only the IDE part is implemented. Eventually, a floppy controller will be added to this board. The hard disk is connected directly to the Z80's bus. I'm considering re-making this board and adding bus…

Custom Z80 Computer Home I wanted to try out wire wrap, but I didn't have enough space on the back of the board, or any wire wrap sockets. So, I soldered pin headers on either side of the ICs and wire wrapped on the top…

Custom Z80 Computer Home This is the second board I made in 2017. I've made some changes to it in 2020 when I started to add more boards to the system. Before, the address decoding was done with a few different 74LS logic chips. I…

Custom Z80 Computer Home This was the first board I built for the computer. I'm not happy with how it looks, but it works. I improved my construction techniques in the later boards. This board has the z80 CPU, Flash, SRAM, an OR gate for…

Overview I started building this computer in late 2017. I first built the CPU/memory board and the UART board. I was inspired by jpkiwigeek's videos on YouTube of his breadboard z80. I originally followed his netlist for his board as described on his website. One…