<s>
The	O
Yamaha	B-General_Concept
V9958	I-General_Concept
is	O
a	O
Video	B-Architecture
Display	I-Architecture
Processor	I-Architecture
used	O
in	O
the	O
MSX2+	B-Operating_System
and	O
MSX	B-Operating_System
turbo	I-Operating_System
R	I-Operating_System
series	O
of	O
home	O
computers	O
,	O
as	O
the	O
successor	O
to	O
the	O
Yamaha	B-General_Concept
V9938	I-General_Concept
used	O
in	O
the	O
MSX2	B-Operating_System
.	O
</s>
<s>
The	O
V9958	B-General_Concept
was	O
not	O
as	O
widely	O
adopted	O
as	O
the	O
V9938	B-General_Concept
.	O
</s>
<s>
Hardware	B-General_Concept
acceleration	I-General_Concept
for	O
copy	O
,	O
line	O
,	O
fill	O
,	O
etc	O
.	O
</s>
<s>
The	O
following	O
features	O
were	O
added	O
to	O
or	O
removed	O
from	O
the	O
Yamaha	B-General_Concept
V9938	I-General_Concept
specifications	O
:	O
</s>
<s>
On	O
MSX	B-Operating_System
,	O
the	O
screen	O
modes	O
are	O
often	O
referred	O
to	O
by	O
their	O
assigned	O
number	O
in	O
MSX	B-Language
BASIC	I-Language
.	O
</s>
