.module uarst.c
                        .area text(rom, con, rel)
 0000                   .dbfile E:\5按鍵_SD卡MP3程序\uarst.c
 0000                   .dbfunc e uart0_init _uart0_init fV
                        .even
 0000           _uart0_init::
 0000                   .dbline -1
 0000                   .dbline 17
 0000           ; /************************************************************/
 0000           ; /*                     UARST Code for   M32L                                      */
 0000           ; /*                               By   pasyong                                                         */
 0000           ; /*                               2006-4                                                                       */
 0000           ; /*                               Base ICC6.31A                                                */
 0000           ; /************************************************************/
 0000           ; #include <iom32v.h>
 0000           ; #include <macros.h>
 0000           ; #include <stdio.h>
 0000           ; 
 0000           ; //UART0 initialize
 0000           ; // desired baud rate: 9600
 0000           ; // actual: baud rate:9600 (0.0%)
 0000           ; // char size: 8 bit
 0000           ; // parity: Disabled
 0000           ; void uart0_init(void)
 0000           ; {
 0000                   .dbline 18
 0000           ;  UCSRB = 0x00; //disable while setting baud rate
 0000 2224              clr R2
 0002 2AB8              out 0xa,R2
 0004                   .dbline 19
 0004           ;  UCSRA = 0x00;
 0004 2BB8              out 0xb,R2
 0006                   .dbline 20
 0006           ;  UCSRC = BIT(URSEL) | 0x06;
 0006 86E8              ldi R24,134
 0008 80BD              out 0x20,R24
 000A                   .dbline 21
 000A           ;  UBRRL = 0x2F; //set baud rate lo
 000A 8FE2              ldi R24,47
 000C 89B9              out 0x9,R24
 000E                   .dbline 22
 000E           ;  UBRRH = 0x00; //set baud rate hi
 000E 20BC              out 0x20,R2
 0010                   .dbline 23
 0010           ;  UCSRB = 0x18;
 0010 88E1              ldi R24,24
 0012 8AB9              out 0xa,R24
 0014                   .dbline -2
 0014                   .dbline 24
 0014           ; }
 0014           L1:
 0014                   .dbline 0 ; func end
 0014 0895              ret
 0016                   .dbend
 0016                   .dbfunc e Puts _Puts fV
 0016           ;              s -> R20,R21
                        .even
 0016           _Puts::
 0016 0E940000          xcall push_gset1
 001A A801              movw R20,R16
 001C                   .dbline -1
 001C                   .dbline 27
 001C           ; //串口輸出字符串
 001C           ; void Puts( unsigned char *s)
 001C           ; { 
 001C 06C0              xjmp L4
 001E           L3:
 001E                   .dbline 29
 001E                   .dbline 30
 001E FA01              movw R30,R20
 0020 0081              ldd R16,z+0
 0022 0E940000          xcall _putchar
 0026                   .dbline 31
 0026 4F5F              subi R20,255  ; offset = 1
 0028 5F4F              sbci R21,255
 002A                   .dbline 32
 002A           L4:
 002A                   .dbline 28
 002A           ;        while (*s) 
 002A FA01              movw R30,R20
 002C 2080              ldd R2,z+0
 002E 2220              tst R2
 0030 B1F7              brne L3
 0032                   .dbline -2
 0032                   .dbline 33
 0032           ;       {
 0032           ;        putchar(*s);
 0032           ;        s++;
 0032           ;       }
 0032           ; }
 0032           L2:
 0032 0E940000          xcall pop_gset1
 0036                   .dbline 0 ; func end
 0036 0895              ret
 0038                   .dbsym r s 20 pc
 0038                   .dbend