学习单片机的好软件资料：porteus仿真手册

速度比较慢，还没打开呢。哎

最多就是注册一下哦，现在逛论坛那又有没有注册就有资料下载的呢？

有，可以我的是网通，慢。

你要那些哦？

拿走看看 啥东西....

怎么都这么难找啊!相关资料!!!!!!!!

点饥进入下载：

Proteus的串口仿真应用.rar

                        .MODULE delay.c
                        .area text(rom, con, rel)
0000                   .dbfile D:\AVR\ICC\usart_t\delay.c
0000                   .dbfunc e delay_1us _delay_1us fV
                        .even
0000           _delay_1us::
0000                   .dbline -1
0000                   .dbline 6
0000           ;    /*-----------------------------------------------------------------------
0000           ; 延时函数
0000           ; 系统时钟：8M
0000           ; -----------------------------------------------------------------------*/
0000           ; void delay_1us(void)                 //1us延时函数
0000           ;   {
0000                   .dbline 7
0000           ;    asm("nop");
0000 0000              nop
0002                   .dbline -2
0002           L1:
0002                   .dbline 0 ; func end
0002 0895              ret
0004                   .dbend
0004                   .dbfunc e delay_nus _delay_nus fV
0004           ;              i -> R20,R21
0004           ;              n -> R22,R23
                        .even
0004           _delay_nus::
0004 0E940000          xcall push_gset2
0008 B801              movw R22,R16
000A                   .dbline -1
000A                   .dbline 11
000A           ;   }
000A           ;
000A           ; void delay_nus(unsigned int n)       //N us延时函数
000A           ;   {
000A                   .dbline 12
000A           ;    unsigned int i=0;
000A 4427              clr R20
000C 5527              clr R21
000E                   .dbline 13
000E           ;    for (i=0;i<n;i++)
000E 03C0              xjmp L6
0010           L3:
0010                   .dbline 14
0010 F7DF              xcall _delay_1us
0012           L4:
0012                   .dbline 13
0012 4F5F              subi R20,255  ; offset = 1
0014 5F4F              sbci R21,255
0016           L6:
0016                   .dbline 13
0016 4617              cp R20,R22
0018 5707              cpc R21,R23
001A D0F3              brlo L3
001C                   .dbline -2
001C           L2:
001C 0E940000          xcall pop_gset2
0020                   .dbline 0 ; func end
0020 0895              ret
0022                   .dbsym r i 20 i
0022                   .dbsym r n 22 i
0022                   .dbend
0022                   .dbfunc e delay_1ms _delay_1ms fV
0022           ;              i -> R16,R17
                      &nb