Re: Apple ][e Character ROM.

[david@uow.edu.au (David Wilson)]

Russel <russelr@ix.netcom.com> writes:
>"Paul R. Santa-Maria" wrote:
>> I have gen-u-wine ROM dumps of the Apple IIe ROMs, both unenhanced and
>> enhanced.  I programmed my own character set for the video ROM.  I even
>> have a program that will take a Beagle Bros Flex Text (aka Flex Type) font
>> and create the binary video ROM file.

>I programmed my own ROMs for a //e also.  However, I did not make one
>for the character ROM because I believe the device is a 2K Eprom (or
>something similar) with a different pinout than most common ROMs such as
>the 27C64 EEPROM.

>What part did you use for the character ROM??  Is it an electrically
>eraseable part?

The NTSC //e uses a 2732 EPROM or equivalent ROM part (2332?).
The PAL //e uses a 2764 EPROM or equivalent ROM.

The ROM has two character sets: US ASCII and a foreign language to match
the keyboard. Here in Australia we got British systems with # and Pound
symbol above the 3 key.
--
David Wilson  School of IT & CS, Uni of Wollongong, Australia