A drop of solder - 128 color scheme on the ZX Spectrum.

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zы(C) Cardinal/PGC/BDA
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 128 colors on Spectrum

    Hello, dear readers.

   Recently I was looking through electronic
Denmark and in MIRACLE #03 came across an in-
                      I'm drawing a diagram (I
                      I saw it a long time ago, but not
                      paid special attention
                      mania) how to expand
                      graphical capabilities
                      the details of our beloved
                      go compera. More precisely
                      128 colors instead of 16
                      due to the use
                      of little interest
                      FLASH bit. But there
                      there was a diagram for PEN-
                      TAGON, and I have
SCORPION, so I immediately developed a scheme
for SCORPION ZS 256/1024 TURBO+, i.e.  for
"green" board, and even with a switch
this device, which was not in that diagram.
   The idea of using the FLASH bit to increase
the interpretation of the color spectrum has long been exciting
la drunken minds of iron workers (no offense
guys :-)).Some support it, others
categorically reject it, they say, why the hell everything
is this necessary? Maybe the latter are right, but
it's great to see real brown
or orange are static colors, not five-
pour your zenki into blinking with frequency
25HZ picture. True 128 INK colors will be
only on black PAPER, but this is also RULEZ.

   So, let's say you decide to turn away
head to the new SCORPION, what is this for?
what you need:

Name: Possible replacement:

chainsaw "Friendship" sharp knife, scalpel
jackhammer wire cutters
large pliers small tweezers
soldering iron 300W soldering iron 25-40W
refractory steel solder
soldering fat, oil
or sour cream rosin
vodka bubble lemonade bottle
crust of bread bun with raisins
pickled cucumber - no replacement
And also: microcircuits 1533KP11A  - 1 piece,
1533KP12 - 3 pcs. It is possible to replace KP12  with
KP2, and KP11A to KP16, change series 1533 on
555 It is possible, but I do not recommend it. Microtoggle
for two positions - 1 piece. Resistor (in the diagram
R1) at 0.2-0.5KOhm - 1 pc. LED AL307 -
- 1 piece or any suitable one.
   But before soldering the given
Below is the diagram, the board will have to be repositioned a little -
Unfortunately, this is necessary.

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   So, brutally cut off the paths that
suitable for:

1st leg DD33 - (MD0 signal)
2nd leg DD33 - (MD1 signal)
1st leg DD34 - (MD3 signal)
2nd leg DD34 - (MD2 signal)
5th leg DD34 - (MD5 signal)
6th leg DD34 - (MD4 signal)

Or get your feet out of the tracks (if you're that
you can :-))

   And also carefully remove the 2nd leg DD11
from the track without disturbing the track itself!!! K
two diodes and a resistor were suitable for this leg
(see SCORPION's scheme).

   Yes, I see you've already got your legs moving
tear it off, so it's time to stop it! Pain-
nothing more, nothing to tear from anything
no need, panimaaaaaaaaay!

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   That's it, now you have the final payment
spoiled by your trembling hands, but you are not
Be afraid, all is not lost yet, SCORPI boards
ON ZS 256 TURBO+ is still produced by the company, and
you can, if you hurry, order se-
be new :-) Next, drink some vodka,
take a bite, look again at the mutilated
the payment you give, while thinking about what
you are a sadist, solder the circuit below.

 Here is the diagram:

 KP12.1
 ┌──┬──┬──┐
 ┌──6┤X1│MS│ │
MD0──╬──5┤X2│  │QX├7──1:DD33
           └──4┤X3│  │  │
           ┌──3┤X4│  │  │
           │   ├──┤  │  │
      MD3──╬─10┤Y1│  │  │
           └─11┤Y2│  │QY├9──1:DD34
           ┌─12┤Y3│  │  │
      Gnd──╬─13┤Y4│  │  │
           │   ├──┤  │  │
           ╠──1┤EX│  │  │
           └─15┤EY│  │  │
               ├──┤  │  │
      14MHZ──14┤S0│  │  │
 ┌────────────2┤S1│  │  │
 │             └──┴──┴──┘
 │
 │               КП12.2
 │             ┌──┬──┬──┐
 │         ┌──6┤X1│MS│  │
 │    MD1──╬──5┤X2│  │QX├7──2:DD33
 │         └──4┤X3│  │  │
 │         ┌──3┤X4│  │  │
 │         │   ├──┤  │  │
 │    MD4──╬─10┤Y1│  │  │
 │         └─11┤Y2│  │QY├9──6:DD34
 │         ┌─12┤Y3│  │  │
 │    Gnd──╬─13┤Y4│  │  │
 │         │   ├──┤  │  │
 │         ╠──1┤EX│  │  │
 │         └─15┤EY│  │  │
 │             ├──┤  │  │
 │    14MHZ──14┤S0│  │  │
 ╠────────────2┤S1│  │  │
 │             └──┴──┴──┘
 │
 │               КП12.3
 │             ┌──┬──┬──┐
 │         ┌──6┤X1│MS│  │
 │    MD2──╬──5┤X2│  │QX├7──2:DD34
 │         └──4┤X3│  │  │
 │         ┌──3┤X4│  │  │
 │         │   ├──┤  │  │
 │    MD5──╬─10┤Y1│  │  │
 │         └─11┤Y2│  │QY├9──5:DD34
 │         ┌─12┤Y3│  │  │
 │    Gnd──╬─13┤Y4│  │  │
 │         │   ├──┤  │  │
 │         ╠──1┤EX│  │  │
 │         └─15┤EY│  │  │
 │             ├──┤  │  │
 │    14MHZ──14┤S0│  │  │
 ╠────────────2┤S1│  │  │
 │             └──┴──┴──┘
 └──────────────────────────────────┐
                 КП11А              │
               ┌──┬──┬──┐           │
         Gnd──2┤A1│MS│Y1├4──2:DD11  │
     2:DD11'──3┤B1│  │  │           │
               ├──┤  │  │           │
     13:DD33──5┤A2│  │Y2├7──────────┘
         Gnd──6┤B2│  │  │
               ├──┤  │  │   R1 светодиод
         +5v─11┤A3│  │Y3├9──▒▒▒──┤<───Gnd
         Gnd─10┤B3│  │  │
               ├──┤  │  │
            ─14┤A4│  │Y4├12─
            ─13┤B4│  │  │
Gnd──         ├──┤  │  │
+5v── ───────1┤S │  │  │
toggle switch Gnd─15┤E0│ │ │
 on/off └──┴──┴──┘


   Explanations for this long diagram:

   Because many legs with the same numbers
are connected together, it is better to solder the mic
roschemy KP12 three floors, you can use the fourth
solder on the floor and KP11A  - it will be cool! It's a pity
that few people will see this :-(
   The LED shows which mode is turned on
chen at the moment, if you don't need it,
then the resistor and LED can not be soldered
but legs 11 and 10 KP11A do not go anywhere
vat.
   To the 3rd leg KP11A a signal with up to
horns to which the 2nd leg was soldered
DD11,therefore DD11 is shown with a prime. Co-
responsibly, the 4th leg KP11A needs to be hooked
directly to the 2nd leg DD11.
Signals MD0-MD5 come from the 14th micro-legs
circuitsRU7 (DD21-28), they also approached
corresponding legs DD33  and DD34  in front
the way you viciously amputated them.
   To the 5th leg KP11A (according to the diagram)
The 13th leg DD33, is marked on the Scorpio diagram
as a signal INV. In other words, this is the same
MD7, i.e. 7th bit FLASH passed through
multiplexer.
   The signal 14MHZ is most conveniently supplied from
3rd legDD2,but you can also from any other,
where it is (see Scorpus diagram).
   Instead of a toggle switch, you can connect it to the 1st
leg KP11A control bit from some
be a home-made port to click on the
physical modes programmatically, and not with
the help of a shaking hand after yesterday's hoo-
lyanka. But I didn’t dare come up with any
- a new port, they’ve been around lately
multiplied like hedgehogs in the forest.
   Don't forget about the power supply for the microcircuits:
bring all 8 legs Gnd,a to all
16th+5v.
 Yes, and here's another thing. The remaining quarter
multiplexer KP11A (legs 12,13,14) you can
use it as follows, don’t waste it
she's in vain. Legs 13 and 14 are collected in a pile and
give on the 15th leg DD46,and on the 12th leg KP11A
hang the LED through a resistor (as in
diagram a little higher), and then you will have an indi-
Cator of the current screen (5th or 7th). EU-
if the LED is on, it means at the moment
shows the 7th screen.
   Well, and lastly, I would like to make you happy
It means that there are no programs or pictures for
this device is not available, so where can I use it?
miracle I don’t know :-( Although no! One picture
yes :-) She is in MIRACLE 3.This has a future
improvements are very vague, to say the least
more, and it is designed for those who are very
likes to hang it on his computer, which he already
and it’s not visible because of the pile of wires, all sorts of
shit like this :-)

 Cardinal/PGC/BDA
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