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1、从下到上移动一幅12864点的图片范例 LCM12864C总线接口驱动程序实例：-在LCD屏从下到上移动一幅12864点的图片范例 硬件电路接口如下图： serwef RD WR Vss 此程序实例已经实际调试通过 ;12864A LCM demo: MOVE A BMP FROM BOTTOM W_COM_ADR1 EQU 08000H ;写左屏指令 W_COM_ADR2 EQU 04000H ;写右屏指令 W_DAT_ADR1 EQU 08100H ;写左屏数据 W_DAT_ADR2 EQU 04100H ;写右屏数据 R_STU_ADR1 EQU 08200H ;读左屏状态 R_STU_
2、ADR2 EQU 04200H ;读右屏状态 PAG EQU 30H COL EQU 31H LINE EQU 32H TEMP EQU 33H DAT EQU 34H ORG 0000H AJMP MAIN ORG 0003H ORG 0030H ;- MAIN: MOV SP,#60H MOV IE,#81H ;EXT. INT0 PERMIT MOV IP,#01H ;INT0 IS FIRST INT. LEVEL MOV TCON,#00H ;TIMER/COUNTER CONTROLER INIT. ;- INT12864A: MOV A,#0C0H ;START LINE LCA
3、LL W_COM1 LCALL W_COM2 Po 1 P2.7 P2.6 P2.1 P2.0 P3.6 P3.7 MCU DB CS1 CS2 RW D/I E Vdd RES LCM VssMOV A,#0B8H ;PAGE ADDRESS LCALL W_COM1 LCALL W_COM2 MOV A,#40H ;COLUMN ADDRESS LCALL W_COM1 LCALL W_COM2 MOV A,#3FH ;DISPLAY ON LCALL W_COM1 LCALL W_COM2 ;- DISPLAY: LCALL CLEAR MOV R3,#8 ;8 PAGES MOV R2
4、,#128 ;128 COLUMNS MOV R1,#8 ;8 ROWS PER PAGE MOV TEMP,#00H MOV DPTR,#PIC4 MOV LINE,#0C0H MOV PAG,#0B8H MOV COL,#040H MOV A,LINE LCALL W_COM1 LCALL W_COM2 W_8PAG: MOV A,PAG LCALL W_COM1 LCALL W_COM2 MOV A,COL LCALL W_COM1 LCALL W_COM2 W_1PAG: MOV A,TEMP SETB C RLC A MOV TEMP,A PUSH DPH PUSH DPL WRI_
5、L1: CLR A MOVC A,A+DPTR INC DPTR ANL A,TEMP LCALL W_DAT1 DEC R2 CJNE R2,#64,WRI_L1 WRI_R1: CLR A MOVC A,A+DPTR INC DPTR ANL A,TEMP LCALL W_DAT2 DJNZ R2,WRI_R1 MOV R2,#128 POP DPL POP DPH INC LINE MOV A,LINE LCALL W_COM1 LCALL W_COM2 LCALL DELAY1 LCALL DELAY1 DJNZ R1,W_1PAG CLR C MOV A,DPL ADD A,#128
6、 MOV DPL,A MOV A,DPH ADDC A,#0 MOV DPH,A MOV R1,#8 MOV TEMP,#00H INC PAG DJNZ R3,W_8PAG MOV A,#0C0H LCALL W_COM1 LCALL W_COM2 SJMP $ ;- CLEAR: MOV PAG,#0B8H MOV R1,#8 MOV R2,#128 MOV A,#0C0H ;START LCALL W_COM1 LCALL W_COM2 TEST1: MOV A,#40H ; LCALL W_COM1 LCALL W_COM2 MOV A,PAG ;PAGE ADDRESS LCALL
7、W_COM1 LCALL W_COM2 MOV A,#00H LCD1: LCALL W_DAT1 DEC R2 CJNE R2,#64,LCD1 MOV A,#00H LCD2: LCALL W_DAT2 DJNZ R2,LCD2 INC PAG MOV R2,#128 DJNZ R1,TEST1 RET ;- W_COM1: LCALL BUSY1 PUSH DPH PUSH DPL PUSH ACC MOV DPTR,#W_COM_ADR1 MOVX DPTR,A POP ACC POP DPL POP DPH RET ;- W_COM2: LCALL BUSY2 PUSH DPH PU
8、SH DPL PUSH ACC MOV DPTR,#W_COM_ADR2 MOVX DPTR,A POP ACC POP DPL POP DPH RET ;- W_DAT1: LCALL BUSY1 PUSH DPH PUSH DPL PUSH ACC MOV DPTR,#W_DAT_ADR1 MOVX DPTR,A POP ACC POP DPL POP DPH RET ;- W_DAT2: LCALL BUSY2 PUSH DPH PUSH DPL PUSH ACC MOV DPTR,#W_DAT_ADR2 MOVX DPTR,A POP ACC POP DPL POP DPH RET ;
9、- BUSY1: PUSH ACC PUSH DPH PUSH DPL LOOP1: MOV DPTR,#R_STU_ MOVX A,DPTR RLC A JC LOOP1 POP DPL POP DPH POP ACC RET ;- BUSY2: PUSH ACC PUSH DPH PUSH DPL LOOP2: MOV DPTR,#R_STU_ADR2 MOVX A,DPTR RLC A JC LOOP2 POP DPL POP DPH POP ACC RET ;- LONGDELAY: mov r5,#05h dlyl: LCALL DELAY djnz r5,dlyl RET DELA
10、Y: MOV R7,#0 TM02: MOV R6,#0 TM01: NOP DJNZ R6,TM01 DJNZ R7,TM02 RET DELAY1: MOV R7,#200 ;DELAY 40ms DEL01: MOV R6,#200 DEL02: DJNZ R6,DEL02 DJNZ R7,DEL01 RET ;- ORG 0300H PIC4: ;- 宽度x高度=128x64 - DB 0FFH,001H,001H,001H,001H,001H,001H,041H,041H,081H,0F1H,081H,041H,041H,001H,041H DB 041H,081H,0F1H,081
11、H,041H,041H,001H,001H,001H,001H,001H,001H,001H,001H,001H,001H DB 081H,0B1H,021H,001H,061H,0A1H,0E1H,0F1H,0F1H,0E1H,0E1H,061H,0E1H,001H,001H,001H DB 0C1H,0C1H,041H,051H,051H,051H,0D1H,051H,051H,0D1H,0C1H,0C1H,081H,001H,001H,001H DB 001H,0E1H,021H,061H,061H,051H,051H,061H,061H,021H,031H,061H,001H,001H
12、,001H,001H DB 001H,081H,0F1H,0A1H,0A1H,061H,0A1H,071H,0A1H,091H,091H,041H,001H,001H,001H,001H DB 001H,001H,001H,001H,001H,001H,001H,041H,041H,081H,0F1H,081H,041H,041H,001H,041H DB 041H,081H,0F1H,081H,041H,041H,001H,001H,001H,001H,001H,001H,001H,001H,001H,0FFH DB 0FFH,000H,000H,000H,000H,000H,000H,00
13、2H,002H,001H,00FH,001H,002H,002H,000H,002H DB 002H,001H,00FH,001H,002H,002H,000H,000H,000H,000H,000H,000H,000H,000H,000H,000H DB 008H,00DH,00CH,004H,010H,00FH,00EH,007H,007H,00EH,00FH,010H,000H,000H,000H,000H DB 000H,004H,006H,003H,011H,018H,01FH,000H,001H,002H,004H,008H,000H,000H,000H,008H DB 008H,
14、008H,009H,00DH,005H,003H,003H,00DH,009H,019H,018H,018H,008H,000H,000H,000H DB 003H,003H,001H,001H,001H,001H,01FH,001H,001H,003H,003H,003H,003H,001H,000H,000H DB 000H,000H,000H,000H,000H,000H,000H,002H,002H,001H,00FH,001H,002H,002H,000H,002H DB 002H,001H,00FH,001H,002H,002H,000H,000H,000H,000H,000H,000H,000H,000H,000H,0FFH DB 0FFH,000H,000H,000H,000H,000H,000H,020H,020H,0C0H,0F8H,0C0H,020H,020H,000H,02
