Alvaro BarcellosDone small changes:
No more choice to use high address A16-A23, all bits goes for address A0-A23 by the shift registers.
Support for A27E257 eeprom 32kx8bits, changed dip-switches setup, as pin 1 is VPP, 12.75V to program, or VPP2, 14V for erase, and pin 28 is VCC.
New schematics v03.
Circuits for VPP and VPP2 not included.
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