ENTITY rf_mid_mem_r0 IS PORT ( dinx : in BIT; write : in BIT; read : in BIT; rbus : out MUX_BIT BUS; vdd : in BIT; vss : in BIT ); END rf_mid_mem_r0; ARCHITECTURE VBE OF rf_mid_mem_r0 IS BEGIN ASSERT (vdd and not (vss)) REPORT "power supply is missing on rf_mid_mem_r0" SEVERITY WARNING; label1 : BLOCK (read = '1') BEGIN rbus <= GUARDED '0'; END BLOCK label1; END;