Apple II Computer Info
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### FILE : keyboardrom
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### Created : Tuesday, January 1, 1980 Modified: Thursday, March 1, 1973
### File Type: "TEXT" File Creator: "LMAN"
### File Size: 1591 bytes 1 KB
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>David Wilson wrote:
>> The Platinum //e has a 2nd ESC key on its numeric keypad but I recall reading
>> somewhere (probably Open-Apple newsletter) that there is a jumper connection
>> to make it send ^X just like the clear key on a //gs.
>>
>> The external numeric keypad on a beige //e has its own XY coordinates in the
>> keyboard decoder ROM so by changing the contents of the ROM you can make
>> any character key send anything you want.
>> --
>> David Wilson School of IT & CS, Uni of Wollongong, Australia
>I checked out a Platinum IIe keyboard and am satisfied none of the jumpers on it
>effect the esc keys. however I was pleasantly surprised that the numeric keypad
esc
>key is connected differently than the other one. So if there's a jumper the
chasnges
>the esc key function it must be on the motherboard. However I'm not using a
>motherboard from a Platinum IIe but an earlier one which has a few less jumpers.
>I don't want to switch motherboards so I'll take a look at thr ROM and see if I
can
>figure out how to add that
If the bowties & solder points on the underside of the keyboard do not have
that effect then replacing the keyboard ROM will do the trick.
If the keyboard ROM is the same as that in the Beige //e then the locations
in the ROM image to change are:
XY ROMADDR
70 $118 (add 0 for caps lock, $200 for no caps, $400 for Dvorak, $600
for Dvorak with no caps)
This info taken from "Understanding the Apple //e" by Jim Sather, page 7-17.
--
David Wilson School of IT & CS, Uni of Wollongong, Australia
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Apple II Computer Technical Information : Apple II Family Hardware Info
ftp://ground.ecn.uiowa.edu/2/apple2/miscinfo/hardware : May 2001 : 238 of 572
(18 strony)
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