Webioconpt equ 0073h iocpt equ 0072h. iobpt equ 0071h. contport equ 00dfh dataport equ 00deh data1 equ 0500h start: jmp ioled. ioled: call format call leddisp. mov al,89h. ... http://www.fanwen118.com/c/218379.html
通过8255原件,用按钮依次控制二极管亮灭------ 汇编源代 …
Web22 jun. 2024 · ;输入端口为io5(0000 0010 1110 0**0b) ;定义符号常量 iocon equ 02d6h ;控制口(0000 0010 1110 0110b),输出 ioa equ 02d0h ;端口a (0000 0010 1110 … Web25 mei 2015 · ioconpt equ 0ff2bh ;控制口 iobpt equ 0ff29h ;pb口 ioapt equ 0ff28h ;pa口 mov al,90h ;控制字存入al mov dx,ioconpt ;取8255控制字寄存器的端口地址存入dx out … clustered storage virtual appliance
汇编数码管只能用8255a口输出吗[单片机汇编数码管]_Keil345软件
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