Fujitsu Semiconductor Controller MB89950/950A Hardware Manual page 275

G
Coding example
LCRAM EQU
LCDR EQU
SEGR EQU
LCD SEG
LCDDATA DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
DB
LCD SEG
;-----Main program----------------------------------------------------------------
CSEG
:
MOVW
MOVW
MOV
LCDSET
MOV
MOV
INCW
INCW
BNZ
MOV
:
ENDS
;---------------------------------------------------------------------------------
END
0064H ;Starting address of LCD display RAM
0079H ;Address of LCD control register (LCDR)
007AH ;Address of segment output select register (SEGR)
CSEG ;8-segment LCD data
11011111B ;"0"
11001000B ;"1"
11110110B ;"2"
11111100B ;"3"
11101001B ;"4"
01111101B ;"5"
01111111B ;"6"
11011001B ;"7"
11111111B ;"8"
11111101B ;"9"
00000000B ;END
ENDS
; [CODE SEGMENT]
EP,#LCRAM ; Set LCD RAM address.
IX,#LCDDATA ; Set LCD data table address.
SEGR,01111111B ; Set the segment output function.
A,@IX+00H
@EP,A
EP
IX
LCDSET ; Continue until data end (00H) is detected.
LCDR,#00101111B ; Set LCDR and turn LCD display on.
CHAPTER 12 LCD CONTROLLER/DRIVER
261