基于FPGA的DDS设计

应用Verilog进行编写的四种波形发生的程序，并结合DE2板与DVCC实验板上的D/A转换器在示波器上显示出了波形。初步了解Verilog的编程及DE2板的应用，加强对其实际应用的操作。

dds
TEMP
incremental_db
db
adapt.bsf
adapt.v
adapt.v.bak
altfp_add_sub0.bsf
altfp_add_sub0.cmp
altfp_add_sub0.inc
altfp_add_sub0.qip
altfp_add_sub0.v
altfp_add_sub0_bb.v
altfp_add_sub0_inst.v
dds.asm.rpt
dds.bdf
dds.done
dds.dpf
dds.fit.rpt
dds.fit.smsg
dds.fit.summary
dds.flow.rpt
dds.map.rpt
dds.map.summary
dds.pin
dds.qpf
dds.qsf
dds.qws
dds.sof
dds.sta.rpt
dds.sta.summary
key.bsf
key.v
key.v.bak
lpm_add_sub0.bsf
lpm_add_sub0.cmp
lpm_add_sub0.inc
lpm_add_sub0.qip
lpm_add_sub0.v
lpm_add_sub0_bb.v
lpm_add_sub0_inst.v
lpm_add_sub0_wave0.jpg
lpm_add_sub0_waveforms.html
lpm_add_sub1.bsf
lpm_add_sub1.cmp
lpm_add_sub1.inc
lpm_add_sub1.qip
lpm_add_sub1.v
lpm_add_sub1_bb.v
lpm_add_sub1_inst.v
lpm_add_sub1_wave0.jpg
lpm_add_sub1_waveforms.html
pll.bsf
pll.cmp
pll.inc
pll.ppf
pll.qip
pll.v
PLLJ_PLLSPE_INFO.txt
pll_bb.v
pll_inst.v
selmode.bsf
selmode.v
sin.mif
sin_rom.bsf
sin_rom.cmp
sin_rom.inc
sin_rom.qip
sin_rom.v
sin_rom_bb.v
sin_rom_inst.v
sin_rom_wave0.jpg
sin_rom_waveforms.html
squwave.bsf
squwave.v
squwave.v.bak
triwave.bsf
triwave.v