<s>
DK'Tronics	B-Application
Ltd	O
(	O
stylised	O
as	O
dk'tronics	B-Application
)	O
was	O
a	O
British	O
software	O
and	O
hardware	B-Architecture
company	O
active	O
during	O
the	O
1980s	O
.	O
</s>
<s>
It	O
primarily	O
made	O
peripherals	O
for	O
the	O
ZX	B-Operating_System
Spectrum	I-Operating_System
and	O
Amstrad	B-Device
CPC	I-Device
but	O
also	O
released	O
video	O
games	O
for	O
the	O
ZX81	O
,	O
ZX	B-Operating_System
Spectrum	I-Operating_System
,	O
Commodore	O
64	O
,	O
VIC-20	B-Device
,	O
BBC	B-Device
Micro	I-Device
,	O
Memotech	B-Device
MTX	I-Device
,	O
MSX	B-Operating_System
and	O
Amstrad	O
platforms	O
.	O
</s>
<s>
The	O
company	O
's	O
first	O
product	O
was	O
a	O
16Kb	O
expansion	O
pack	O
for	O
the	O
ZX80	B-Operating_System
,	O
released	O
just	O
prior	O
to	O
the	O
launch	O
of	O
the	O
ZX81	O
.	O
</s>
<s>
Hardware	B-Architecture
production	O
expanded	O
to	O
include	O
new	O
keyboards	O
for	O
the	O
ZX81	O
and	O
for	O
the	O
newly	O
released	O
ZX	B-Operating_System
Spectrum	I-Operating_System
.	O
</s>
<s>
By	O
1984	O
,	O
DK'Tronics	B-Application
had	O
around	O
50	O
personnel	O
,	O
with	O
Heelas	O
as	O
managing	O
director	O
.	O
</s>
<s>
DK'Tronics	B-Application
published	O
games	O
between	O
1982	O
and	O
1985	O
,	O
and	O
included	O
works	O
from	O
programmers	O
such	O
as	O
Don	O
Priestley	O
,	O
who	O
became	O
a	O
director	O
of	O
the	O
company	O
in	O
1983	O
.	O
</s>
<s>
David	O
Heelas	O
was	O
known	O
to	O
be	O
critical	O
of	O
the	O
hype	O
attempted	O
by	O
other	O
software	O
companies	O
in	O
the	O
gaming	O
press	O
and	O
took	O
pride	O
in	O
the	O
professional	O
position	O
adopted	O
by	O
DK'Tronics	B-Application
.	O
</s>
