
Chapter 7. I/O Facilities
115
■
Setting an 8-bit binary pattern
The data of an 8-bit binary pattern should be designated by bit 7 (LSB) to bit 0 (MSB). If the bit
is 1, the corresponding dot on the LCD will come ON.
OUT &h10,&h80 ’Set bit 7 only to 1
In the BHT-7500, you may set graphic data to the VRAM area assigned to the bottom dot line
of the LCD by using the
OUT statement. The set data cannot be displayed on the LCD but can
be read out with the
INP function. Scrolling the screen will also display the data set on the
bottom dot line.
10h 8Fh
90h 10Fh
110h 18Fh
190h 20Fh
390h 40Fh
310h 38Fh
290h 30Fh
210h 28Fh
Komentáře k této Příručce