Rst_n='0'
SelDTACK = '1'
NoDS = '1'
SelBERR = '1'
DTACK_n <= '1'; BERR_n <= '1'; JustBeforeDTACK <= '0';
JustBeforeDTACK <= '1';
BERR_n <= '1';
DTACK_n <= '1';
JustBeforeDTACK <= '0';
BERR_n <= '0';
DTACK_n <= '0';