GDM240128A Datasheet, PDF (23/29 Pages) List of Unclassifed Manufacturers – LCD MODULE

User’s Manual
MOVC A, @A+DPTR
MOV R3, A
MOV R4, #0C0H
LCALL WR1
INC R2
CJNE R2, #08H, TCR2
RET
TAB2: DB 37H, 25H, 2CH, 23H, 2FH, 2DH, 25H, 01H
TAB3: DB 0DH, 0DH, 0DH, 0DH, 0DH, 0DH, 0DH, 08H
5-8-6. Application Program
For example, to display“！”on the top left corner of the screen, the program is:
ORG 0000H
STAR: LCALL INI
MOV R2, #00H
; initialize
; display“ ！”
MOV R3, #00H
MOV R4, #24H
LCALL WR
MOV R3, #01H
MOV R4, #0C0H
LCALL WR1
RET
The flow chart of this program is as follows:
CLEAR DDRAM
SET TEXT AERA
SET GRAPHIC AERA
SET DISPLAY MODE
TEXT ON
DISPLAY CHAR.S
END
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