Spectravideo SVI 318 Service – Technical Manual page 128

P I N
NO . P IN NAME
WRITE PROTECT
3 6
3 7 DOUBLE DEN S I TY
FUN CT I ON
S YMBOL
WPRT
Th i s i n p u t i s samp l e d whe n e v e r a
Comm a n d i s r e c e i ve d .
W r i t e
t e rm i n a t e s t h e comma n d and s e t s chc
D DEN
Th i s p i n s e l e c t s e i th e r s ing l e o r
dou b l e den s i t y o p e r a t i on .
�
ou b l e den s i t y i s s e l ec t e d .
DDEN -
I
Th i s l i ne mus t be l e f t open on the
1 7 9 2 / 4 .
4 . 95
A l og i c low
P r o t e c t S t a t us b i t .
1 , s i ng l e d e n s i t y i s s e l e c t e d .
� ­
W r i t e
I
Wh e n llDEt-:
Hhe n
, I I