Universal realization of the memory with Verilog hdl, this is a common source, the document very detailed notes, beginners should be able to understand.

readme.txt
Makefile
VHDL
www
VHDL\fifo_test.vhd
....\freefifo.vhd
....\ramlib_quartus.vhd
....\ramlib_sim.vhd
....\ramlib_xil.vhd
....\test_sim.vhd
....\test_sim_dp2.vhd
....\test_synth.vhd
....\test_synth_dp2.vhd
www\_borders
...\_derived
...\_fpclass
...\_overlay
...\_private
...\_themes
...\_vti_cnf
...\_vti_pvt
...\download.html
...\fifo.h1.gif
...\fifo.h2.gif
...\fifo.html
...\images
...\index.html
...\interf1.gif
...\interf2.gif
...\interf3.gif
...\ram_dp.html
...\ram_dp2.html
...\_borders\_vti_cnf
...\........\bottom.htm
...\........\_vti_cnf\bottom.htm
...\.derived\_vti_cnf
...\........\interface.htm_cmp_expeditn110_vbtn.gif
...\........\interface.htm_cmp_expeditn110_vbtn_a.gif
...\........\download.htm_cmp_expeditn110_vbtn.gif
...\........\download.htm_cmp_expeditn110_vbtn_a.gif
...\........\index.html_cmp_expeditn110_hbtn.gif
...\........\download.html_cmp_expeditn110_hbtn.gif
...\........\ram_dp.html_cmp_expeditn110_hbtn.gif
...\........\index.htm_cmp_expeditn110_vbtn.gif
...\........\index.html_cmp_expeditn110_hbtn_p.gif
...\........\index.html_cmp_expeditn110_hbtn_a.gif
...\........\ram_dp.html_cmp_expeditn110_hbtn_p.gif
...\........\fifo.html_cmp_expeditn110_bnr.gif
...\........\download.html_cmp_expeditn110_hbtn_a.gif
...\........\ram_dp.html_cmp_expeditn110_hbtn_a.gif
...\........\download.html_cmp_expeditn110_hbtn_p.gif
...\........\index.htm_cmp_expeditn110_vbtn_a.gif
...\........\index.html_cmp_expeditn110_bnr.gif
...\........\home_cmp_expeditn110_hbtn_p.gif
...\........\home_cmp_expeditn110_hbtn_a.gif
...\........\home_cmp_expeditn110_hbtn.gif
...\........\ram_dp.html_cmp_expeditn110_bnr.gif
...\........\fifo.html_cmp_expeditn110_hbtn.gif
...\........\fifo.html_cmp_expeditn110_hbtn_a.gif
...\........\download.html_cmp_expeditn110_bnr.gif
...\........\ram_dp2.html_cmp_expeditn110_bnr.gif
...\........\ram_dp2.html_cmp_expeditn110_hbtn.gif
...\........\ram_dp2.html_cmp_expeditn110_hbtn_a.gif
...\........\_vti_cnf\interface.htm_cmp_expeditn110_vbtn.gif
...\........\........\interface.htm_cmp_expeditn110_vbtn_a.gif
...\........\........\download.htm_cmp_expeditn110_vbtn.gif
...\........\........\download.htm_cmp_expeditn110_vbtn_a.gif
...\........\........\index.html_cmp_expeditn110_hbtn.gif
...\........\........\download.html_cmp_expeditn110_hbtn.gif
...\........\........\ram_dp.html_cmp_expeditn110_hbtn.gif
...\........\........\index.htm_cmp_expeditn110_vbtn.gif
...\........\........\index.html_cmp_expeditn110_hbtn_p.gif
...\........\........\index.html_cmp_expeditn110_hbtn_a.gif
...\........\........\ram_dp.html_cmp_expeditn110_hbtn_p.gif
...\........\........\fifo.html_cmp_expeditn110_bnr.gif
...\........\........\download.html_cmp_expeditn110_hbtn_a.gif
...\........\........\ram_dp.html_cmp_expeditn110_hbtn_a.gif
...\........\........\download.html_cmp_expeditn110_hbtn_p.gif
...\........\........\index.htm_cmp_expeditn110_vbtn_a.gif
...\........\........\index.html_cmp_expeditn110_bnr.gif
...\........\........\home_cmp_expeditn110_hbtn_p.gif
...\........\........\home_cmp_expeditn110_hbtn_a.gif
...\........\........\home_cmp_expeditn110_hbtn.gif
...\........\........\ram_dp.html_cmp_expeditn110_bnr.gif
...\........\........\fifo.html_cmp_expeditn110_hbtn.gif
...\........\........\fifo.html_cmp_expeditn110_hbtn_a.gif
...\........\........\download.html_cmp_expeditn110_bnr.gif
...\........\........\ram_dp2.html_cmp_expeditn110_bnr.gif
...\........\........\ram_dp2.html_cmp_expeditn110_hbtn.gif
...\........\........\ram_dp2.html_cmp_expeditn110_hbtn_a.gif
...\.overlay\_vti_cnf
...\........\home_nav_expeditn010_hbtn.gif
...\........\ram_dp.html_nav_expeditn010_bnr.gif
...\........\ram_dp.html_nav_expeditn010_hbtn.gif
...\........\index.html_nav_expeditn010_bnr.gif
...\........\download.html_nav_expeditn010_bnr.gif
...\........\fifo.html_nav_expeditn010_bnr.gif
...\........\fifo.html_nav_expeditn010_hbtn.gif
...\........\download.html_nav_expeditn010_hbtn.gif
...\........\ram_dp2.html_nav_expeditn010_hbtn.gif

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