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Cursor/Libs/Memory/hdl/sdramControllerTimingsShiftRegister_RTL.vhd
Rémi Heredero c7ba678fbb Initial commit
2021-11-24 10:50:51 +01:00

25 lines
711 B
VHDL

ARCHITECTURE RTL OF sdramControllerTimingsShiftRegister IS
--constant leadingZeroesNb: positive := 2;
--constant leadingZeroes: std_ulogic_vector(1 to leadingZeroesNb) := (others => '0');
--signal shiftReg: std_ulogic_vector(1 to timerDone'high-leadingZeroesNb);
signal shiftReg: std_ulogic_vector(1 to timerDone'high);
BEGIN
shiftToken : process(reset, clock)
begin
if reset = '1' then
shiftReg <= (others => '0');
elsif rising_edge(clock) then
shiftReg(1) <= timerStart;
shiftReg(2 to shiftReg'right) <= shiftReg(1 to shiftReg'right-1);
end if;
end process shiftToken;
--timerDone <= leadingZeroes & shiftReg;
timerDone <= shiftReg;
END ARCHITECTURE RTL;