Z80 Circuits
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1MbMem.gif 65K Z80 Memory Management Unit that allows a Z80 (or other CPU) to access 1M of memory mapped into the 64K memory map in 4K pages. Completely redrawn December 2010.
Nov 2013: In doing some research on the 6809 I discovered that this method of mapping a 64K memory map into 1M of memory in 4K pages is the same system as the 'Dynamic Address Translation' (DAT) used on the SWTPC MP-09 6809 system, (see).
ROMs.gif 105K

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