Changes
/* Components */
== Components ==
sound chip is [http://www.fpgaarcade.com/library.htm ym2149 fpgaarcade] one, patched, and repatched in order to get stereo sound.
PPI chip is [http://www.cpcwiki.eu/index.php/VHDL_implementation_of_the_8255_PIO 8255 CPCWiki] one, patched.
PWM chip is [http://www.fpga4fun.com/PWM_DAC.html PWM_DAC fpga4fun] one, patched in order to get high sound quality (my PWM has two clocks in entry)
== And thanks ==