<s>
The	O
TK	B-Device
95	I-Device
microcomputer	B-Architecture
was	O
a	O
1986	O
ZX	B-Operating_System
Spectrum	I-Operating_System
clone	B-General_Concept
by	O
Microdigital	O
Eletrônica	O
,	O
a	O
company	O
located	O
at	O
São	O
Paulo	O
,	O
Brazil	O
.	O
</s>
<s>
It	O
was	O
an	O
evolution	O
of	O
the	O
TK90X	B-Device
introduced	O
the	O
previous	O
year	O
.	O
</s>
<s>
The	O
case	O
was	O
redesigned	O
(	O
copied	O
from	O
the	O
Commodore	B-Operating_System
Plus/4	I-Operating_System
)	O
and	O
the	O
keyboard	B-Device
was	O
said	O
to	O
be	O
"	O
semi-professional	O
"	O
(	O
according	O
to	O
the	O
Brazilian	O
manufacturer	O
)	O
,	O
with	O
the	O
some	O
additional	O
Sinclair	B-Language
BASIC	I-Language
commands	O
that	O
did	O
not	O
exist	O
in	O
the	O
ZX	B-Operating_System
Spectrums	I-Operating_System
(	O
for	O
user	O
defined	O
charactersUDG	O
)	O
,	O
and	O
better	O
compatibility	O
with	O
the	O
original	O
ZX	B-Operating_System
Spectrum	I-Operating_System
(	O
compared	O
to	O
the	O
TK90X	B-Device
)	O
.	O
</s>
<s>
Inside	O
,	O
the	O
same	O
processor	O
:	O
Z80A	B-General_Concept
running	O
at	O
3.58MHz	O
,	O
a	O
16	O
KB	O
ROM	O
chip	O
and	O
some	O
RAM	O
chips	O
(	O
old	O
dynamic	O
rams	O
4116	O
and	O
4416	O
)	O
.	O
</s>
<s>
The	O
modulator	O
was	O
tuned	O
to	O
VHF	B-Algorithm
channel	O
3	O
and	O
the	O
TV	O
system	O
was	O
PAL-M	O
(	O
60Hz	O
)	O
.	O
</s>
<s>
The	O
cassette	B-Device
interface	I-Device
ran	O
at	O
a	O
faster	O
speed	O
than	O
the	O
Spectrum	O
.	O
</s>
<s>
Only	O
two	O
peripherals	O
were	O
released	O
by	O
Microdigital	O
a	O
light	B-Device
pen	I-Device
interface	O
and	O
a	O
parallel	B-Device
printer	I-Device
interface	O
.	O
</s>
<s>
Other	O
companies	O
in	O
Brazil	O
released	O
clone	B-General_Concept
versions	O
of	O
Interface	O
1	O
joysticks	O
(	O
Atari	O
2600-compatibles	O
)	O
and	O
interfaces	O
for	O
5¼	O
"	O
PC	B-Device
drives	B-Device
(	O
360KB	O
)	O
.	O
</s>
<s>
The	O
games	O
had	O
questionable	O
legality	O
being	O
close	O
to	O
copies	O
of	O
the	O
originals	O
and	O
the	O
fans	O
of	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
computer	O
in	O
Brazil	O
were	O
counted	O
in	O
tens	O
of	O
thousands	O
.	O
</s>
