AHDL Function Prototype (port name and order also apply to Verilog HDL)
The following AHDL function prototype is located in the AHDL Include File (.inc) Definitionlpm_ff.inc in the <Intel® Quartus® Prime installation directory>\libraries\megafunctions directory.
FUNCTION lpm_ff (data[LPM_WIDTH-1..0], clock, enable, sclr, sset, sload, aclr, aset, aload) WITH (LPM_WIDTH, LPM_AVALUE, LPM_SVALUE, LPM_FFTYPE) RETURNS(q[LPM_WIDTH-1..0]);