八音自动播放电子琴设计 vhdl源码，文件内有具体注释

[VHDL-XILINX-EXAMPLE26.rar] - [VHDL经典设计26例]--在xilinx芯片上调试通过--[01--1位全加器][02--2选1多路选择器][03--8位硬件加法器][04--7段数码显示译码器][05--8位串入并出寄存器][6--8位并入串出寄存器][7--内部三态总线][8--含清零和同步时钟使能的4位加法计数器][9-

-Octave electronic keyboard play automatically design vhdl source, document specific comments [VHDL-XILINX-EXAMPLE26.rar]- [VHDL design of 26 cases of classic]- in the xilinx chip debugging through- [01- 1 adder ] [02- 2 S 1 MUX] [03- 8-bit hardware adder] [04- 7-segment digital display decoder] [05- 8 bit string into and out of register] [6--8 bit string into a register] [7- internal three-state bus] [8- with clear and clock enable synchronous 4-bit adder counter] [9-