4 x 4 keyboard VHDL description and control. 4 x 4 keyboard is a very common input device. Hope that a friend is applying for help.

44软键盘去抖
............\frenq
............\.....\4to1.vhd
............\.....\c4to1.bsf
............\.....\c4to1.vhd
............\.....\cmp_state.ini
............\.....\cnt10a.bsf
............\.....\cnt10a.vhd
............\.....\CtrlInterface.bsf
............\.....\CtrlInterface.vhd
............\.....\db
............\.....\..\add_sub_3c8.tdf
............\.....\..\add_sub_3dc.tdf
............\.....\..\add_sub_4dc.tdf
............\.....\..\add_sub_4g8.tdf
............\.....\..\add_sub_59c.tdf
............\.....\..\add_sub_5dc.tdf
............\.....\..\add_sub_5g8.tdf
............\.....\..\add_sub_6dc.tdf
............\.....\..\add_sub_7dc.tdf
............\.....\..\add_sub_89c.tdf
............\.....\..\add_sub_8dc.tdf
............\.....\..\add_sub_99c.tdf
............\.....\..\add_sub_9dc.tdf
............\.....\..\add_sub_adc.tdf
............\.....\..\add_sub_bdc.tdf
............\.....\..\add_sub_g4h.tdf
............\.....\..\add_sub_h4h.tdf
............\.....\..\add_sub_i4h.tdf
............\.....\..\add_sub_iac.tdf
............\.....\..\add_sub_j4h.tdf
............\.....\..\add_sub_jec.tdf
............\.....\..\add_sub_k4h.tdf
............\.....\..\add_sub_ke8.tdf
............\.....\..\add_sub_kec.tdf
............\.....\..\add_sub_l4h.tdf
............\.....\..\add_sub_le8.tdf
............\.....\..\add_sub_m4h.tdf
............\.....\..\add_sub_ma8.tdf
............\.....\..\add_sub_me8.tdf
............\.....\..\add_sub_ne8.tdf
............\.....\..\add_sub_oe8.tdf
............\.....\..\add_sub_pa8.tdf
............\.....\..\add_sub_pe8.tdf
............\.....\..\add_sub_qa8.tdf
............\.....\..\add_sub_qe8.tdf
............\.....\..\add_sub_re8.tdf
............\.....\..\add_sub_se8.tdf
............\.....\..\altsyncram_50v.tdf
............\.....\..\altsyncram_71v.tdf
............\.....\..\altsyncram_96u.tdf
............\.....\..\altsyncram_b1v.tdf
............\.....\..\altsyncram_d6u.tdf
............\.....\..\altsyncram_gsl.tdf
............\.....\..\altsyncram_kqj.tdf
............\.....\..\altsyncram_ovu.tdf
............\.....\..\altsyncram_svu.tdf
............\.....\..\altsyncram_tvu.tdf
............\.....\..\alt_u_div_0re.tdf
............\.....\..\alt_u_div_0ue.tdf
............\.....\..\alt_u_div_1re.tdf
............\.....\..\alt_u_div_4re.tdf
............\.....\..\alt_u_div_4ue.tdf
............\.....\..\alt_u_div_5re.tdf
............\.....\..\alt_u_div_6oe.tdf
............\.....\..\alt_u_div_6re.tdf
............\.....\..\alt_u_div_6ue.tdf
............\.....\..\alt_u_div_7re.tdf
............\.....\..\alt_u_div_8oe.tdf
............\.....\..\alt_u_div_8re.tdf
............\.....\..\alt_u_div_9od.tdf
............\.....\..\alt_u_div_are.tdf
............\.....\..\alt_u_div_bre.tdf
............\.....\..\alt_u_div_coe.tdf
............\.....\..\alt_u_div_cre.tdf
............\.....\..\alt_u_div_dre.tdf
............\.....\..\alt_u_div_eoe.tdf
............\.....\..\alt_u_div_fod.tdf
............\.....\..\alt_u_div_frd.tdf
............\.....\..\alt_u_div_god.tdf
............\.....\..\alt_u_div_gre.tdf
............\.....\..\alt_u_div_ire.tdf
............\.....\..\alt_u_div_jld.tdf
............\.....\..\alt_u_div_kre.tdf
............\.....\..\alt_u_div_ote.tdf
............\.....\..\alt_u_div_pld.tdf
............\.....\..\alt_u_div_qqe.tdf
............\.....\..\alt_u_div_qte.tdf
............\.....\..\alt_u_div_uqe.tdf
............\.....\..\E-TRY.asm.qmsg
............\.....\..\E-TRY.cbx.xml
............\.....\..\E-TRY.cmp.cdb
............\.....\..\E-TRY.cmp.hdb
............\.....\..\E-TRY.cmp.logdb
............\.....\..\E-TRY.cmp.rdb
............\.....\..\E-TRY.cmp.tdb
............\.....\..\E-TRY.cmp0.ddb
............\.....\..\E-TRY.dbp
............\.....\..\E-TRY.db_info
............\.....\..\E-TRY.eco.cdb

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