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The Zilog Z80 microprocessor. Prefer [game-boy] instead for questions about the Game Boy CPU nicknamed the ‘GBZ80’.

12 votes
3 answers
3k views

Decoding Logic and Memory Systems for 8-bit computer - 64K address space

I am creating a minimal Z80 computer with serial output on a breadboard. … Now I am finally hooking up the Z80 with ROM and RAM chips. Many websites list that the maximum space that the Z80 itself can address is 64K (2^16). …
Nogard's user avatar
  • 533
30 votes
2 answers
5k views

Zilog Z80 freezes while binary counting up to 65 536 (2^16)

Edit (solution): The problem was solved with blocking capacitor between + and - on breadboard (row 2), decoupling capacitor between +5V and GND on the Z80 and with the reset button. …
Nogard's user avatar
  • 533