Hi,
That's the right track, lots of things work in 256s (the high and low
bytes of a 16 bit number).
In the case of the keyboard, the lower byte is always 254 (I think
your number for QEWRT is suspect) and the upper byte is one of the
eight numbers which have 7 binary digits set and one clear.
In other words:
upper lower IN number
byte byte (decimal) keys
0xfe fe 65278 VCXZ(shift)
0xfd fe 65022 GFDSA
0xfb fe 64510 TREWQ
0xf7 fe 63486 54321
0xef fe 61438 67890
0xdf fe 57342 YUIOP
0xbf fe 41950 HJKL(return)
0x7f fe 32766 BNM(sym)(space)
These are all the same keys the Spectrum has. You can read the Sam's
other keys if you use the same upper bytes and change the lower byte
to 0xf9 and use the top three bits of the result. There's also the
cursor keys on IN 65534, but I would avoid that in basic because
you'll get into a lot of trouble with the mouse interface which
shares that address (kinda).
HTH,
Andrew
On 8 Aug 2007, at 00:25, Calvin Allett wrote:
Just realised the port address's are seperated by 256 bytes, so
should be able to find the ones I need. I hadn't known that :)
Calvin Allett <[EMAIL PROTECTED]> wrote: Could anyone tell
me the address's to read using IN (or should that
be ports) for groups of SAM keys?
I need more than one keypress, and would like to use the
following keys (or groups)..
O, and P -
Z
and M
and space should be needed.
64509 seems to be keys Q,W,E,R,T
and from FRED issue 11A, Axe`s Last Stand
I see
63486 is 1,2,3,4,5 and
61438 is 6,7,8,9 and 0
i have looked (in fact for over half an hour before)
also, any tips on BAND would be an asset, although I shouldn't
be needing that I for this, as the keys I need are in different
groups.
not needed too urgently, but any help or links appreciated :)
Cal...
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--- Andrew Collier ----
---- http://www.intensity.org.uk/ ---
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