int2.lis

MEGA16单片机程序包2

                        .module int2.c
                        .area text(rom, con, rel)
 0000                   .dbfile F:\USING0~1\INT\int2.c
 0000                   .dbfunc e port_init _port_init fV
                        .even
 0000           _port_init::
 0000                   .dbline -1
 0000                   .dbline 9
 0000           ; //ICC-AVR application builder : 2007-5-6 12:36:39
 0000           ; // Target : M16
 0000           ; // Crystal: 8.0000Mhz
 0000           ; 
 0000           ; #include <iom16v.h>
 0000           ; #include <macros.h>
 0000           ; 
 0000           ; void port_init(void)
 0000           ; {
 0000                   .dbline 10
 0000           ;  PORTA = 0x00;
 0000 2224              clr R2
 0002 2BBA              out 0x1b,R2
 0004                   .dbline 11
 0004           ;  DDRA  = 0xff;
 0004 8FEF              ldi R24,255
 0006 8ABB              out 0x1a,R24
 0008                   .dbline 12
 0008           ;  PORTB = 0x00;
 0008 28BA              out 0x18,R2
 000A                   .dbline 13
 000A           ;  DDRB  = 0x00;
 000A 27BA              out 0x17,R2
 000C                   .dbline 14
 000C           ;  PORTC = 0x00; //m103 output only
 000C 25BA              out 0x15,R2
 000E                   .dbline 15
 000E           ;  DDRC  = 0x00;
 000E 24BA              out 0x14,R2
 0010                   .dbline 16
 0010           ;  PORTD = 0x0c;
 0010 8CE0              ldi R24,12
 0012 82BB              out 0x12,R24
 0014                   .dbline 17
 0014           ;  DDRD  = 0x00;
 0014 21BA              out 0x11,R2
 0016                   .dbline -2
 0016           L1:
 0016                   .dbline 0 ; func end
 0016 0895              ret
 0018                   .dbend
                        .area vector(rom, abs)
                        .org 4
 0004 0C940C00          jmp _int0_isr
                        .area text(rom, con, rel)
 0018                   .dbfile F:\USING0~1\INT\int2.c
 0018                   .dbfunc e int0_isr _int0_isr fV
                        .even
 0018           _int0_isr::
 0018 8A93              st -y,R24
 001A 8FB7              in R24,0x3f
 001C 8A93              st -y,R24
 001E                   .dbline -1
 001E                   .dbline 22
 001E           ; }
 001E           ; 
 001E           ; #pragma interrupt_handler int0_isr:2
 001E           ; void int0_isr(void)
 001E           ; {
 001E                   .dbline 23
 001E           ;  PORTA = 0XF0;
 001E 80EF              ldi R24,240
 0020 8BBB              out 0x1b,R24
 0022                   .dbline -2
 0022           L2:
 0022 8991              ld R24,y+
 0024 8FBF              out 0x3f,R24
 0026 8991              ld R24,y+
 0028                   .dbline 0 ; func end
 0028 1895              reti
 002A                   .dbend
 002A                   .dbfunc e init_devices _init_devices fV
                        .even
 002A           _init_devices::
 002A                   .dbline -1
 002A                   .dbline 28
 002A           ; }
 002A           ; 
 002A           ; //call this routine to initialize all peripherals
 002A           ; void init_devices(void)
 002A           ; {
 002A                   .dbline 30
 002A           ;  //stop errant interrupts until set up
 002A           ;  CLI(); //disable all interrupts
 002A F894              cli
 002C                   .dbline 31
 002C           ;  port_init();
 002C E9DF              xcall _port_init
 002E                   .dbline 33
 002E           ; 
 002E           ;  MCUCR = 0x00;
 002E 2224              clr R2
 0030 25BE              out 0x35,R2
 0032                   .dbline 34
 0032           ;  GICR  = 0x40;
 0032 80E4              ldi R24,64
 0034 8BBF              out 0x3b,R24
 0036                   .dbline 35
 0036           ;  TIMSK = 0x00; //timer interrupt sources
 0036 29BE              out 0x39,R2
 0038                   .dbline 36
 0038           ;  SEI(); //re-enable interrupts
 0038 7894              sei
 003A                   .dbline -2
 003A           L3:
 003A                   .dbline 0 ; func end
 003A 0895              ret
 003C                   .dbend
 003C                   .dbfunc e main _main fV
                        .even
 003C           _main::
 003C                   .dbline -1
 003C                   .dbline 42
 003C           ;  //all peripherals are now initialized
 003C           ; }
 003C           ; 
 003C           ; //
 003C           ; void main(void)
 003C           ; {
 003C                   .dbline 43
 003C           ;  init_devices();
 003C F6DF              xcall _init_devices
 003E                   .dbline -2
 003E           L4:
 003E                   .dbline 0 ; func end
 003E 0895              ret
 0040                   .dbend