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I am trying to write a program to display custom character on LCD using CGRAM. I am 68HC11 MCU and 20x2 LCD for this purpose.
Here my code. I don't seem to get anything on LCD. The HEX pattern, CC, is a speaker. Any help would great.
[code] ORG $6000
CC FCB $02,$06,$1a,$1a,$1a,$06,$02,$00
MAIN JSR LCD_CLR
DSP_CC LDY #$40
LCD_CLR LDAA #$01
LCD_TEST TST $1400
LCD_DSP LDAA 0,X