afa-003i.lst

内部1 M晶振。定时器实险

__text_start:
__start:
    002A E5CF      LDI	R28,0x5F
    002B E0D4      LDI	R29,4
    002C BFCD      OUT	0x3D,R28
    002D BFDE      OUT	0x3E,R29
    002E 51C0      SUBI	R28,0x10
    002F 40D0      SBCI	R29,0
    0030 EA0A      LDI	R16,0xAA
    0031 8308      STD	Y+0,R16
    0032 2400      CLR	R0
    0033 E6E0      LDI	R30,0x60
    0034 E0F0      LDI	R31,0
    0035 E010      LDI	R17,0
    0036 36E0      CPI	R30,0x60
    0037 07F1      CPC	R31,R17
    0038 F011      BEQ	0x003B
    0039 9201      ST	R0,Z+
    003A CFFB      RJMP	0x0036
    003B 8300      STD	Z+0,R16
    003C E5E4      LDI	R30,0x54
    003D E0F0      LDI	R31,0
    003E E6A0      LDI	R26,0x60
    003F E0B0      LDI	R27,0
    0040 E010      LDI	R17,0
    0041 35E4      CPI	R30,0x54
    0042 07F1      CPC	R31,R17
    0043 F021      BEQ	0x0048
    0044 95C8      LPM
    0045 9631      ADIW	R30,1
    0046 920D      ST	R0,X+
    0047 CFF9      RJMP	0x0041
    0048 940E005A  CALL	_main
_exit:
    004A CFFF      RJMP	_exit
_delay_ms:
  a                    --> R20
  b                    --> R22
  i                    --> R16
    004B 940E008B  CALL	push_gset2
FILE: E:\ICCAVR\project\afa-1\icc\afa-003\main.c
(0001) /*
(0002) 内部1 M晶振。
(0003) 定时器实险，周期信号驱动无源蜂鸣器。
(0004) 程序中实现单一频率的周期性提示音。
(0005) 程序采用单任务方式，软件延时。
(0006) */
(0007) #include "iom16v.h"
(0008) 
(0009) /*延时函数*/
(0010) void delay_ms(unsigned char i) {
(0011) 
(0012) 	unsigned char a, b;
(0013) 	for (a = 1; a < i; a++) {
    004D E041      LDI	R20,1
    004E C006      RJMP	0x0055
(0014) 		for (b = 1; b; b++) {
    004F E061      LDI	R22,1
    0050 C001      RJMP	0x0052
    0051 9563      INC	R22
    0052 2366      TST	R22
    0053 F7E9      BNE	0x0051
    0054 9543      INC	R20
    0055 1740      CP	R20,R16
    0056 F3C0      BCS	0x004F
    0057 940E0082  CALL	pop_gset2
    0059 9508      RET
(0015) 			;
(0016) 			}
(0017) 		}
(0018) }
(0019) 
(0020) void main(void) {
(0021) 
(0022) 	unsigned char i;
(0023) 
(0024) 	DDRA = 0x00;						/*方向输入*/
_main:
  i                    --> R20
    005A 2422      CLR	R2
    005B BA2A      OUT	0x1A,R2
(0025) 	PORTA = 0xFF;						/*打开上拉*/
    005C EF8F      LDI	R24,0xFF
    005D BB8B      OUT	0x1B,R24
(0026) 	DDRB = 0xFF;						/*方向输出*/
    005E BB87      OUT	0x17,R24
(0027) 	PORTB = 0xFF;						/*高电平*/
    005F BB88      OUT	0x18,R24
(0028) 	DDRC = 0x00;
    0060 BA24      OUT	0x14,R2
(0029) 	PORTC = 0xFF;
    0061 BB85      OUT	0x15,R24
(0030) 	DDRD = 0xFF;
    0062 BB81      OUT	0x11,R24
(0031) 	PORTD = 0xFF;
    0063 BB82      OUT	0x12,R24
    0064 C01B      RJMP	0x0080
(0032) 
(0033) 	while (1) {
(0034) 		for (i = 0; i < 8; i ++) {
    0065 2744      CLR	R20
    0066 C00A      RJMP	0x0071
(0035) 			PORTB = ~(1 << i);
    0067 E001      LDI	R16,1
    0068 2F14      MOV	R17,R20
    0069 940E00A4  CALL	lsl8
    006B 2E20      MOV	R2,R16
    006C 9420      COM	R2
    006D BA28      OUT	0x18,R2
(0036) 			delay_ms(100);
    006E E604      LDI	R16,0x64
    006F DFDB      RCALL	_delay_ms
    0070 9543      INC	R20
    0071 3048      CPI	R20,0x8
    0072 F3A0      BCS	0x0067
(0037) 			}
(0038) 		TCCR1A = 0x40;
    0073 E480      LDI	R24,0x40
    0074 BD8F      OUT	0x2F,R24
(0039) 		TCCR1B = 0x09;
    0075 E089      LDI	R24,0x9
    0076 BD8E      OUT	0x2E,R24
(0040) 		OCR1A =  1000;
    0077 EE88      LDI	R24,0xE8
    0078 E093      LDI	R25,3
    0079 BD9B      OUT	0x2B,R25
    007A BD8A      OUT	0x2A,R24
(0041) 		delay_ms(200);
    007B EC08      LDI	R16,0xC8
    007C DFCE      RCALL	_delay_ms
(0042) 		TCCR1A = 0x00;
    007D 2422      CLR	R2
    007E BC2F      OUT	0x2F,R2
(0043) 		PORTD &= ~(1 << 5);
FILE: <library>
    007F 9895      CBI	0x12,5
    0080 CFE4      RJMP	0x0065
    0081 9508      RET
pop_gset2:
    0082 E0E2      LDI	R30,2
    0083 940C0091  JMP	pop
push_gset5:
    0085 92FA      ST	R15,-Y
    0086 92EA      ST	R14,-Y
push_gset4:
    0087 92DA      ST	R13,-Y
    0088 92CA      ST	R12,-Y
push_gset3:
    0089 92BA      ST	R11,-Y
    008A 92AA      ST	R10,-Y
push_gset2:
    008B 937A      ST	R23,-Y
    008C 936A      ST	R22,-Y
push_gset1:
    008D 935A      ST	R21,-Y
    008E 934A      ST	R20,-Y
    008F 9508      RET
pop_gset1:
    0090 E0E1      LDI	R30,1
pop:
    0091 9149      LD	R20,Y+
    0092 9159      LD	R21,Y+
    0093 FDE0      SBRC	R30,0
    0094 9508      RET
    0095 9169      LD	R22,Y+
    0096 9179      LD	R23,Y+
    0097 FDE1      SBRC	R30,1
    0098 9508      RET
    0099 90A9      LD	R10,Y+
    009A 90B9      LD	R11,Y+
    009B FDE2      SBRC	R30,2
    009C 9508      RET
    009D 90C9      LD	R12,Y+
    009E 90D9      LD	R13,Y+
    009F FDE3      SBRC	R30,3
    00A0 9508      RET
    00A1 90E9      LD	R14,Y+
    00A2 90F9      LD	R15,Y+
    00A3 9508      RET
lsl8:
    00A4 2311      TST	R17
    00A5 F019      BEQ	0x00A9
    00A6 0F00      LSL	R16
    00A7 951A      DEC	R17
    00A8 CFFB      RJMP	lsl8
    00A9 9508      RET