alt_u_div_v2e.tdf

用FPGA做的DDS函数信号发生器

--alt_u_div DEVICE_FAMILY="Cyclone II" LPM_PIPELINE=0 MAXIMIZE_SPEED=5 WIDTH_D=17 WIDTH_N=20 WIDTH_Q=20 WIDTH_R=17 denominator numerator quotient remainder
--VERSION_BEGIN 5.1 cbx_cycloneii 2005:12:13:10:36:54:SJ cbx_lpm_abs 2005:08:16:22:24:32:SJ cbx_lpm_add_sub 2005:11:02:10:42:42:SJ cbx_lpm_divide 2005:03:24:00:40:32:SJ cbx_mgl 2006:01:12:16:15:18:SJ cbx_stratix 2005:12:28:11:18:26:SJ cbx_stratixii 2005:11:02:10:43:56:SJ cbx_util_mgl 2005:09:12:10:23:22:SJ  VERSION_END


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--  functions, and any output files any of the foregoing 
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FUNCTION add_sub_6m8 (dataa[0..0], datab[0..0])
RETURNS ( cout, result[0..0]);
FUNCTION add_sub_7m8 (dataa[1..0], datab[1..0])
RETURNS ( cout, result[1..0]);
FUNCTION add_sub_nn8 (dataa[10..0], datab[10..0])
RETURNS ( cout, result[10..0]);
FUNCTION add_sub_on8 (dataa[11..0], datab[11..0])
RETURNS ( cout, result[11..0]);
FUNCTION add_sub_pn8 (dataa[12..0], datab[12..0])
RETURNS ( cout, result[12..0]);
FUNCTION add_sub_qn8 (dataa[13..0], datab[13..0])
RETURNS ( cout, result[13..0]);
FUNCTION add_sub_rn8 (dataa[14..0], datab[14..0])
RETURNS ( cout, result[14..0]);
FUNCTION add_sub_sn8 (dataa[15..0], datab[15..0])
RETURNS ( cout, result[15..0]);
FUNCTION add_sub_tn8 (dataa[16..0], datab[16..0])
RETURNS ( cout, result[16..0]);
FUNCTION add_sub_un8 (dataa[17..0], datab[17..0])
RETURNS ( cout, result[17..0]);
FUNCTION add_sub_8m8 (dataa[2..0], datab[2..0])