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Z80_Labcomputer

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@jandersm

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KiCad projectAll 62 files, ready to open in KiCad4.9 MB
For fabricationGerbers, drill, pick-and-place and BOMGerbers and drill zip257 KBGerbers and drill zip: cpukontroll85 KBGerbers and drill zip: display244 KBGerbers and drill zip: Programmer121 KBGerbers and drill zip: tangentbord444 KBPick and place (CSV)2.1 KBPick and place (CSV): cpukontroll1.1 KBPick and place (CSV): display1.9 KBPick and place (CSV): Programmer787 BPick and place (CSV): tangentbord4.7 KBPCB BOM CSV (PCB SVG)1.6 KBPCB BOM CSV (PCB SVG: cpukontroll)844 BPCB BOM CSV (PCB SVG: display)1.4 KBPCB BOM CSV (PCB SVG: Programmer)616 BPCB BOM CSV (PCB SVG: tangentbord)3.4 KB
3D modelThe board with its parts, for an enclosure (GLB)3D model (GLB)16 MB3D model (GLB): cpukontroll2.4 MB3D model (GLB): display12 MB3D model (GLB): Programmer3.9 MB3D model (GLB): tangentbord14 MB
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README

Z80_Labcomputer

A computerproject based on the Z80 CPU.

Dator

Motherboard with Z80, 8 kB ROM and 32 kB SRAM, IO ports, Bus ports etc.

  • Schema, PCB designed
  • Produced and tested. OK so far...

cpukontroll

Clock, Reset etc.

  • Schema, PCB design

display

7x4-segment display and IO-connections to adress 0-3

  • Schema PCB design

tangentbord

Hex values input keyboard

  • Schema, PCB design Needs redesign

EEPROMprogrammer

Arduino code and design for an Arduino Nano (or similar) based EEPROMprogrammer

  • Schema, PCB design Connected to the computer using BUSRQ to facilitate programming without removing ROM.

simulering

Python simulation of the z80 cpu and the computer

  • Inkludes 7x4 display Many opcodes not simulated yet

fastplatta

Holder for the Dator PCB

  • 3D printed and tested

Used software:

KiCad, FreeCAD, Python, Arduino IDE

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