Description: This a 8255 reference design, VHDL source code, very good.
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File list (Check if you may need any files):
A8255\A8255\A8255.csf
.....\.....\A8255.psf
.....\.....\A8255.quartus
.....\.....\A8255.qws
.....\.....\A8255.ssf
.....\.....\A8255.VHD
.....\.....\A8255TB.VHD
.....\.....\A8255TOP.VHD
.....\.....\Altera Reference Design License Agreement.TXT
.....\.....\cmp_state.ini
.....\.....\CNTL_LOG.VHD
.....\.....\Debug.fsf
.....\.....\DOUT_MUX.VHD
.....\.....\ds8255.pdf
.....\.....\PORTAIN.VHD
.....\.....\PORTAOUT.VHD
.....\.....\PORTBIN.VHD
.....\.....\PORTBOUT.VHD
.....\.....\PORTCOUT.VHD
.....\.....\Release.fsf
.....\.....\tb_A8251.vhd
.....\.....\tb_A8251_top.vhd
.....\A8255
A8255
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