Z80 Project Memory Expansion

Submitted by nathan on Mon, 03/14/2011 - 00:11

The Mark 2 Z80 project featured a pair of memory slots each capable of taking up to 32K of RAM. This meant that a full 64K of RAM could be used because the ROM image is copied from the PIC's memory at boot time. However that didn't seem like much to me so a banking system and MMU were in order. (Also I found I couldn't get the 32K RAMTRON FM1808 chips in DIP any more!)

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Z80 Mark 2
Retro Computing
eda
logic
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Z80 Project