NEC PC-8201 - Page 14

LCD each Block
8 bits
8
8
8
L
Set the RAM address in address counter at 110 port (Bit 7 to Bit 0).
PAGE 0
- - - - - - - - -
PAGE 1
- - - - - - - - - -
PAGE 2
------- ---
PAGE 3
* Set of starting page
OUT FO
Bit 7 Bit 6 Order of displayed page
(One-thityseconds duty)
0 0
0, 1, 2. 3
0 1
1, 2: 3, 0
1 0 ?,3. 1, 0
1 1
3, 0. 1. 2
*
Select address counter count up or count down
OUT FO
0
0011101
DOWN
UP/DO\irN SELECT THE ADDRESS COUNTER
0 Down counter
1 Up counter