<s>
pForth	B-Application
(	O
Portable	B-Architecture
Forth	B-Application
)	O
is	O
a	O
portable	B-Architecture
implementation	O
of	O
the	O
Forth	B-Application
programming	I-Application
language	I-Application
written	O
in	O
ANSI	O
C	B-Language
.	O
It	O
differs	O
from	O
the	O
other	O
distributions	O
of	O
Forth	B-Application
in	O
that	O
it	O
strives	O
for	O
portability	B-Architecture
over	O
performance	O
.	O
</s>
<s>
The	O
pForth	B-Application
implementation	O
of	O
Forth	B-Application
is	O
an	O
open	B-Language
source	I-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
PForth	B-Application
started	O
out	O
as	O
HForth	O
,	O
which	O
was	O
used	O
in	O
connection	O
with	O
the	O
Hierarchical	O
Music	O
Specification	O
Language	O
,	O
a	O
music	O
experimentation	O
language	O
developed	O
by	O
Phil	O
Burk	O
,	O
Larry	O
Polansky	O
and	O
David	O
Rosenboom	O
.	O
</s>
<s>
Phil	O
Burk	O
ported	O
the	O
HForth	O
kernel	O
to	O
C	B-Language
when	O
he	O
moved	O
to	O
the	O
3DO	O
company	O
.	O
</s>
<s>
The	O
newly	O
ported	O
Forth	B-Application
at	O
3DO	O
had	O
to	O
run	O
on	O
many	O
different	O
systems	O
including	O
SUN	O
,	O
SGI	O
,	O
Macintosh	B-Device
,	O
PC	O
,	O
Amiga	B-Device
,	O
the	O
3DO	O
ARM	B-Architecture
based	O
Opera	O
system	O
,	O
and	O
the	O
3DO	O
PowerPC	B-Architecture
based	O
M2	O
system	O
.	O
</s>
<s>
Originally	O
pForth	B-Application
was	O
released	O
to	O
the	O
public	O
domain	O
with	O
a	O
custom	O
release	O
and	O
disclaimer	O
of	O
no	O
warranty	O
but	O
in	O
2020	O
,	O
it	O
was	O
relicensed	O
under	O
the	O
zero-clause	O
BSD	O
license	O
,	O
which	O
is	O
a	O
public-domain-equivalent	O
license	O
.	O
</s>
