simpwm.do

done pwm control using vhdl ,you can look at it.

puts "-- Simulation script (c) ALSE for PWM --"

vlib work

vcom -93 pwm.vhd
vcom -93 tb_pwm.vhd

vsim tb_pwm -quiet
view structure
view signals

add wave -divider "PWM (c) ALSE"
add wave  -radix unsigned Din
add wave -divider "Accumulator version :"
add wave  -format Logic Pwm_accum
add wave -divider "Comparator version :"
add wave  -format Logic Pwm_comp

run -a