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HARD
KEMPSTON MOUSE INTERFACE ...
(C) Bit / XXL
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Hello, comrades! At the moment you begin to read (out) the
next description of the Bat a la KEMPSTON, and if your
hand involuntarily reached for something heavy, I recommend to
browse this epic, and wasted no time to start looking for
friends bukovok in the next article ...
So pristupims:
This is an interface for a mouse with a wheel, which
rulitsya in this issue of DonNews, but By some features of the
shell (otmazatsya I:) is not quite cool. But because I would
die too early, progress in kolesopodderzhke not be avoided.
Although newspaper is vobschem something and not really
necessary (in some filers, such as sense of
It will be much more), but it is necessary to
something to experience ...
Coordinate the wheel hanging in the upper 4 bits of port
buttons. Consequence-> some Prog does not define this Pribluda.
More precisely, not defined his first specimens collected by me
for almost a year ago. During this time, My thoughts still went
so far as to apply for the 1 st leg counter IE11 signalets
RES and get rid of this zamorochki. Text
opredelyalki mouse and joystick from Don-News19
format XAS (42sm), correctly identify the presence of Bat (at
any position of the wheel) and taking into account the
conflicting connection (if someone has still not reached his
hands to connect all as it should be) buried in the appendix.
Also in the application, you can dig up and the driver wheels,
and a masterpiece by entitled "TestMous", created for the needs
of checking opisuemogo miracle technology.
Scheme countable cascade of x or y (same)
5 PI CT DO DI BD DO
a 15 CLK 0 6 2 0 0
1 11 3 1 1
b 10 U / D February 1914 4 2 2
3 2 5 3 3
9 R 6 4 4
1 S P July 7 on May 5
8 6 6
9 7 7
5 PI CT DO OE '
CLK 15 0 6 5 <1 0
January 11 19o1
10 U / D February 1914
March 2 FEET 18.11
9 R-BUS DATA
1 S P 7 D0-D7
SIGNAL
SELECT X / Y PORT
(X / YCS)
Decoding scheme ports KEMPSTON
DI DC / DO
A10 January 1 DMX 0 15 joystick port
A8 2 on Jan. 2, 1914
A7 3 2 March 1913
March 1912
'April 11 PORT SWITCH, BCS
RD 4oE1 May 1910
5oE2 September 6 PORT COORDINATES X, XCS
A0 E3 6 July 7 PORT COORDINATES Y, YCS
A5 1 OE BD
DO 3
OIRQ 2oDI
Scheme ports and buttons, and counting stage roller
The mouse buttons DI BD DO
RB 2 0 0 18 D0
LB 3 1 January 1917 D1
5 PI CT DO MB 4 2 February 1916 D2
5 <5 3 3 15 D3
ra CLK 15 0 6 6 4 4 14 D4
1 11 7 5 5 13 D5
rb 1910 U / D 2 14 8 6 6 12 D6
3 2 9 7 7 11 D7
9 R
1 S p 7 OE '
RESET +5 <1 0
BCS 19o1
+5 V <4 OE BD
_____ DO 6 R1
RESET 5oDI
a, b-phase with optocouplers
ra, rb-same with the opto-coupler clip
address A0-A15
OIRQ-D85 / 6 (the Pentagon)
CT-(a) 561 / (1) 564 IE11 or CD4516AE/AK
BD-1533/1531AP6 or SN74ALS (F) 245
BD on one channel - 1533LP8/SN74ALS (F) 125
DC/DMX-1533/1531ID7 (SN74ALS (F) 138)
R1-10 k 4
As for LB and RB (left / right buttons):
standard of their location is unknown to me.
I like everything on the scheme, and almost all prog, which I
use, are designed to a position of buttons. In today's software
have the opportunity to swap the functions of the buttons or
the auto worth (in mostly in journals). Particularly clever (?)
May stir up the hardware buttons exchange - convenient
(probably) STE done on rats switch on the bottom (I do not
have). Very myshu (Genius NetScroll +) I did on
1533TL2.
The scheme of alterations pc-shnoy Serial Mouse
D1
X Y
1 T o2 Xa
v v
\ X / 3 T o4 Xb
5 T o6 Ya
9 T o8 Yb
\ Y /
WHEEL 11 T o10 Ra
13 R v T o12 Rb
8
R R R R R R
\ R / 2 3 4 5 6 7
v +5
D1-1533 TL2
R2 ... 5 to 3.3 ohms *
R6, 7 - to 10 ohms *
R8 - 150 ohms
* It is possible that you have to pick up.
For non-1533 series TL'ki ratings rezyukov
others.
--=*> THEORY OPTIMIZATION SCHEMES <*=- We can get rid of
LP8'oy, if we find Corps à la 1533AP14 (SN74ALS465). Then
instead of the signal with lp'hi on id7'yu throw A5
and on the hoof 1'e buffers throw OIRQ. But
if you want to use dzhoistik, then
15'e have to knead the hoof id7 with OIRQ
or collect and Kempston instead of AP3 in the AP14.
The only problem with this whole mutyuAP14 not so easy to find.
We have, in Rostov-on-Don, ee at radio no. Fumbling on the
internet I ee no problems found, and is just simply ona Ciric
(without account transfer, the price of December 10'e
2002)..
But I want to note that the AP14 I'm not perverted, and may
well be that they give capita as a characteristic stinking of
smoke, as is the case with 1533AP5. With AP5 I steamed a long
time since I was too lazy to look at power in the handbook, and
I looked ADVENTURER 11 and a long spit, looking
on a pile of burned chips. Then collected
everything on the AP6 and spent the whole day for CV.
