NEC PC-8201 - Page 13

The following OUT command selects which block is displayed on or off as Port A
and Port
B of 81C55.
-
OUT 09
OUT BA
B 1 corresponds to I'AO. and B2 corresponds to PAI. etc. B10 corresponds to
PB 1. A1 in each I/O port selects the corresponding LCD block, and is deselected
by a 0.
* Address Set
OUT FO
Bit 7 Bit 6
0 0 PAGE 0
0 1 PAGE 1
1
0 PAGE 2
1 1 PAGE 3
BIT 5 TO BIT 0 0 to 49 displayed by binary number