Chapter 7. I/O Facilities
105
7.1.6 VRAM
The
INP
function may read the VRAM data. The
OUT
statement writes data into the VRAM so
that graphics may be displayed on the LCD dotwise.
■
Specifying an address bytewise
An address on the LCD may be specified bytewise by giving a port number in the
OUT
state-
ment and
INP
function. The entry range of the port number is as follows:
Port numbering system counts, starting from the top left corner of the LCD to the right bottom
corner.
Series
Entry range of the port number
BHT-100
10h to 1DBFh
10h
D7h
D8h
19Fh
1A0h
267h
268h
32Fh
588h
64Fh
4C0h
587h
3F8h
4BFh
330h
3F7h
Summary of Contents for BHT-BASIC 100 SERIES
Page 1: ......
Page 161: ...153 Chapter 10 Sleep Function CONTENTS 10 1 Sleep Function 154...
Page 163: ...155 Chapter 11 Resume Function CONTENTS 11 1 Resume Function 156...
Page 173: ...165 Chapter 13 Backlight Function CONTENTS 13 1 Backlight Function 166...
Page 249: ...241 Example CLOSE IF kyIn Y THEN KILL Master Dat END IF Reference Statements CLFILE...