📄 lcd.lst
字号:
__start:
__text_start:
0021 E5CF LDI R28,0x5F
0022 E0D2 LDI R29,2
0023 BFCD OUT P3D,R28
0024 BFDE OUT P3E,R29
0025 51C0 SUBI R28,0x10
0026 40D0 SBCI R29,0
0027 EA0A LDI R16,0xAA
0028 8308 STD R16,0+Y
0029 2400 CLR R0
002A E8E3 LDI R30,0x83
002B E0F0 LDI R31,0
002C E010 LDI R17,0
002D 38E3 CPI R30,0x83
002E 07F1 CPC R31,R17
002F F011 BEQ 0x0032
0030 9201 ST R0,Z+
0031 CFFB RJMP 0x002D
0032 8300 STD R16,0+Z
0033 E1EE LDI R30,0x1E
0034 E0F0 LDI R31,0
0035 E6A0 LDI R26,0x60
0036 E0B0 LDI R27,0
0037 E010 LDI R17,0
0038 34E1 CPI R30,0x41
0039 07F1 CPC R31,R17
003A F021 BEQ 0x003F
003B 95C8 LPM
003C 9631 ADIW R30,1
003D 920D ST R0,X+
003E CFF9 RJMP 0x0038
003F D001 RCALL _main
_exit:
0040 CFFF RJMP _exit
FILE: D:\ICC-AVR\examples.sl\LCD\lcd.c
(0000) /******************************************************
(0001) http://www.sl.com.cn
(0002) 双龙电子公司----2*16 LCD控制演示程序(ICCAVR)
(0003) 作者：詹卫前
(0004) 使用注意：1、应包含头文件slavr.h
(0005) 2、在工程选项中的Additional Lib中填入slavr
(0006) 使用编译器使用附加库文件libslavr.a
(0007) *******************************************************/
(0008) #include <io8515.h>
(0009) #include <slavr.h>
(0010) void main(void)
(0011) {
(0012) MCUCR=0;
_main:
0041 2422 CLR R2
0042 BE25 OUT P35,R2
(0013) lcd_init();
0043 D08D RCALL _lcd_init
0044 C01A RJMP 0x005F
(0014) while(1)
(0015) {
(0016) lcd_gotoxy(2,0);
0045 2722 CLR R18
0046 E002 LDI R16,2
0047 D019 RCALL _lcd_gotoxy
(0017) lcd_puts("Hello World!");
0048 E706 LDI R16,0x76
0049 E010 LDI R17,0
004A D0BE RCALL _lcd_puts
(0018) delay_ms(2000);
004B ED00 LDI R16,0xD0
004C E017 LDI R17,7
004D D02E RCALL _delay_ms
(0019) lcd_clear();
004E D0CE RCALL _lcd_clear
(0020) lcd_gotoxy(4,0);
004F 2722 CLR R18
0050 E004 LDI R16,4
0051 D00F RCALL _lcd_gotoxy
(0021) lcd_puts("HTTP://");
0052 E60E LDI R16,0x6E
0053 E010 LDI R17,0
0054 D0B4 RCALL _lcd_puts
(0022) lcd_gotoxy(1,1);
0055 E021 LDI R18,1
0056 E001 LDI R16,1
0057 D009 RCALL _lcd_gotoxy
(0023) lcd_puts("www.sl.com.cn");
0058 E600 LDI R16,0x60
0059 E010 LDI R17,0
005A D0AE RCALL _lcd_puts
(0024) delay_ms(2000);
005B ED00 LDI R16,0xD0
005C E017 LDI R17,7
005D D01E RCALL _delay_ms
(0025) lcd_clear();
005E D0BE RCALL _lcd_clear
(0026) }
005F CFE5 RJMP 0x0045
(0027) }FILE: <library>
0060 9508 RET
_lcd_gotoxy:
0061 D0D8 RCALL push_gset2
0062 2F42 MOV R20,R18
0063 2F60 MOV R22,R16
0064 3041 CPI R20,1
0065 F419 BNE 0x0069
0066 2F46 MOV R20,R22
0067 5440 SUBI R20,0x40
0068 C002 RJMP 0x006B
0069 2F46 MOV R20,R22
006A 5840 SUBI R20,0x80
006B 2722 CLR R18
006C 2733 CLR R19
006D 2F04 MOV R16,R20
006E 2711 CLR R17
006F D02B RCALL _write_lcd
0070 D0CC RCALL pop_gset2
0071 9508 RET
_delay_1ms:
0072 E001 LDI R16,1
0073 E010 LDI R17,0
0074 C002 RJMP 0x0077
0075 5F0F SUBI R16,0xFF
0076 4F1F SBCI R17,0xFF
0077 3706 CPI R16,0x76
0078 E0E4 LDI R30,4
0079 071E CPC R17,R30
007A F3D0 BCS 0x0075
007B 9508 RET
_delay_ms:
007C D0BD RCALL push_gset2
007D 2F60 MOV R22,R16
007E 2F71 MOV R23,R17
007F 2744 CLR R20
0080 2755 CLR R21
0081 C003 RJMP 0x0085
0082 DFEF RCALL _delay_1ms
0083 5F4F SUBI R20,0xFF
0084 4F5F SBCI R21,0xFF
0085 1746 CP R20,R22
0086 0757 CPC R21,R23
0087 F3D0 BCS 0x0082
0088 D0B4 RCALL pop_gset2
0089 9508 RET
_lcd_port_init:
008A 2422 CLR R2
008B BA27 OUT P17,R2
008C BA28 OUT P18,R2
008D EF8F LDI R24,0xFF
008E BB81 OUT P11,R24
008F BB82 OUT P12,R24
0090 9508 RET
_delay:
0091 2700 CLR R16
0092 2711 CLR R17
0093 C002 RJMP 0x0096
0094 5F0F SUBI R16,0xFF
0095 4F1F SBCI R17,0xFF
0096 310E CPI R16,0x1E
0097 E0E0 LDI R30,0
0098 071E CPC R17,R30
0099 F3D0 BCS 0x0094
009A 9508 RET
_write_lcd:
009B D09E RCALL push_gset2
009C 2F62 MOV R22,R18
009D 2F40 MOV R20,R16
009E 2422 CLR R2
009F BA27 OUT P17,R2
00A0 BA28 OUT P18,R2
00A1 9893 CBI P12,3
00A2 9A94 SBI P12,4
00A3 9A95 SBI P12,5
00A4 DFEC RCALL _delay
00A5 B386 IN R24,P16
00A6 7880 ANDI R24,0x80
00A7 3880 CPI R24,0x80
00A8 F3E1 BEQ 0x00A5
00A9 9895 CBI P12,5
00AA 2366 TST R22
00AB F411 BNE 0x00AE
00AC 9893 CBI P12,3
00AD C001 RJMP 0x00AF
00AE 9A93 SBI P12,3
00AF 9894 CBI P12,4
00B0 EF8F LDI R24,0xFF
00B1 BB87 OUT P17,R24
00B2 BB48 OUT P18,R20
00B3 9A95 SBI P12,5
00B4 DFDC RCALL _delay
00B5 9895 CBI P12,5
00B6 DFDA RCALL _delay
00B7 2422 CLR R2
00B8 BA27 OUT P17,R2
00B9 BA28 OUT P18,R2
00BA D082 RCALL pop_gset2
00BB 9508 RET
_read_lcd:
00BC D066 RCALL push_gset1
00BD 2F40 MOV R20,R16
00BE 2422 CLR R2
00BF BA27 OUT P17,R2
00C0 BA28 OUT P18,R2
00C1 2344 TST R20
00C2 F411 BNE 0x00C5
00C3 9893 CBI P12,3
00C4 C001 RJMP 0x00C6
00C5 9A93 SBI P12,3
00C6 9A94 SBI P12,4
00C7 9A95 SBI P12,5
00C8 DFC8 RCALL _delay
00C9 B346 IN R20,P16
00CA 774F ANDI R20,0x7F
00CB 9895 CBI P12,5
00CC DFC4 RCALL _delay
00CD 2F04 MOV R16,R20
00CE 2711 CLR R17
00CF D056 RCALL pop_gset1
00D0 9508 RET
_lcd_init:
00D1 D051 RCALL push_gset1
00D2 DFB7 RCALL _lcd_port_init
00D3 2744 CLR R20
00D4 C00F RJMP 0x00E4
00D5 2722 CLR R18
00D6 2733 CLR R19
00D7 E18A LDI R24,0x1A
00D8 E090 LDI R25,0
00D9 2E24 MOV R2,R20
00DA 2433 CLR R3
00DB 0E28 ADD R2,R24
00DC 1E39 ADC R3,R25
00DD 2DE2 MOV R30,R2
00DE 2DF3 MOV R31,R3
00DF 95C8 LPM
00E0 2D00 MOV R16,R0
00E1 2711 CLR R17
00E2 DFB8 RCALL _write_lcd
00E3 9543 INC R20
00E4 3044 CPI R20,4
00E5 F378 BCS 0x00D5
00E6 D03F RCALL pop_gset1
00E7 9508 RET
_lcd_putc:
00E8 D03A RCALL push_gset1
00E9 2F40 MOV R20,R16
00EA 304A CPI R20,0xA
00EB F4B1 BNE 0x0102
00EC 2700 CLR R16
00ED 2711 CLR R17
00EE DFCD RCALL _read_lcd
00EF 2E20 MOV R2,R16
00F0 2E31 MOV R3,R17
00F1 E08F LDI R24,0xF
00F2 E090 LDI R25,0
00F3 1582 CP R24,R2
00F4 0593 CPC R25,R3
00F5 F434 BGE 0x00FC
00F6 2722 CLR R18
00F7 2733 CLR R19
00F8 E002 LDI R16,2
00F9 E010 LDI R17,0
00FA DFA0 RCALL _write_lcd
00FB C00B RJMP 0x0107
00FC 2722 CLR R18
00FD 2733 CLR R19
00FE EC00 LDI R16,0xC0
00FF E010 LDI R17,0
0100 DF9A RCALL _write_lcd
0101 C005 RJMP 0x0107
0102 E021 LDI R18,1
0103 E030 LDI R19,0
0104 2F04 MOV R16,R20
0105 2711 CLR R17
0106 DF94 RCALL _write_lcd
0107 D01E RCALL pop_gset1
0108 9508 RET
_lcd_puts:
0109 D019 RCALL push_gset1
010A 2F40 MOV R20,R16
010B 2F51 MOV R21,R17
010C C009 RJMP 0x0116
010D 2E24 MOV R2,R20
010E 2E35 MOV R3,R21
010F 5F4F SUBI R20,0xFF
0110 4F5F SBCI R21,0xFF
0111 2DE2 MOV R30,R2
0112 2DF3 MOV R31,R3
0113 8100 LDD R16,0+Z
0114 2711 CLR R17
0115 DFD2 RCALL _lcd_putc
0116 2FE4 MOV R30,R20
0117 2FF5 MOV R31,R21
0118 8020 LDD R2,0+Z
0119 2022 TST R2
011A F791 BNE 0x010D
011B D00A RCALL pop_gset1
011C 9508 RET
_lcd_clear:
011D 2722 CLR R18
011E 2733 CLR R19
011F E001 LDI R16,1
0120 E010 LDI R17,0
0121 DF79 RCALL _write_lcd
0122 9508 RET
push_gset1:
0123 935A ST R21,-Y
0124 934A ST R20,-Y
0125 9508 RET
pop_gset1:
0126 E0E1 LDI R30,1
pop:
0127 9149 LD R20,Y+
0128 9159 LD R21,Y+
0129 FDE0 SBRC R30,0
012A 9508 RET
012B 9169 LD R22,Y+
012C 9179 LD R23,Y+
012D FDE1 SBRC R30,1
012E 9508 RET
012F 90A9 LD R10,Y+
0130 90B9 LD R11,Y+
0131 FDE2 SBRC R30,2
0132 9508 RET
0133 90C9 LD R12,Y+
0134 90D9 LD R13,Y+
0135 FDE3 SBRC R30,3
0136 9508 RET
0137 90E9 LD R14,Y+
0138 90F9 LD R15,Y+
0139 9508 RET
push_gset2:
013A 937A ST R23,-Y
013B 936A ST R22,-Y
013C CFE6 RJMP push_gset1
pop_gset2:
013D E0E2 LDI R30,2
013E CFE8 RJMP pop
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