Z80 Circuits
MDFS::Info.Comp.Z80.Circuits Search

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, (link).
ROMs.gif 105K

Best viewed with Any Browser Valid HTML 4.0!