ps2.map.eqn

使用FPGA读取键盘的例子

-- Copyright (C) 1991-2005 Altera Corporation
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-- without limitation, that your use is for the sole purpose of 
-- programming logic devices manufactured by Altera and sold by 
-- Altera or its authorized distributors.  Please refer to the 
-- applicable agreement for further details.
--comclk[0] is comclk[0]
--operation mode is normal

comclk[0]_lut_out = !comclk[0];
comclk[0] = DFFEAS(comclk[0]_lut_out, clk, !rst, , , , , , );


--comclk[1] is comclk[1]
--operation mode is normal

comclk[1]_lut_out = comclk[0] $ comclk[1];
comclk[1] = DFFEAS(comclk[1]_lut_out, clk, !rst, , , , , , );


--A1L1 is bcd_led~89
--operation mode is normal

A1L1 = comclk[1] & comclk[0] & datain[12] # !comclk[1] & (datain[4] # !comclk[0]);


--A1L2 is bcd_led~90
--operation mode is normal

A1L2 = comclk[0] & (A1L1) # !comclk[0] & (A1L1 & (datain[0]) # !A1L1 & datain[8]);


--A1L3 is bcd_led~91
--operation mode is normal

A1L3 = comclk[1] & comclk[0] & datain[13] # !comclk[1] & (datain[5] # !comclk[0]);


--A1L4 is bcd_led~92
--operation mode is normal

A1L4 = comclk[0] & (A1L3) # !comclk[0] & (A1L3 & (datain[1]) # !A1L3 & datain[9]);


--A1L5 is bcd_led~93
--operation mode is normal

A1L5 = comclk[1] & (comclk[0] & datain[14] # !comclk[0] & (datain[10])) # !comclk[1] & !comclk[0];


--A1L6 is bcd_led~94
--operation mode is normal

A1L6 = comclk[1] & (A1L5) # !comclk[1] & (A1L5 & (datain[2]) # !A1L5 & datain[6]);


--A1L7 is bcd_led~95
--operation mode is normal

A1L7 = comclk[1] & comclk[0] & datain[15] # !comclk[1] & (datain[7] # !comclk[0]);


--A1L8 is bcd_led~96
--operation mode is normal

A1L8 = comclk[0] & (A1L7) # !comclk[0] & (A1L7 & (datain[3]) # !A1L7 & datain[11]);


--A1L43 is rtl~34
--operation mode is normal

A1L43 = comclk[0] # comclk[1];


--A1L44 is rtl~35
--operation mode is normal

A1L44 = comclk[0] & (!comclk[1]);


--A1L42 is rtl~2
--operation mode is normal

A1L42 = comclk[1] & (!comclk[0]);


--A1L40 is ledcom~18
--operation mode is normal

A1L40 = !comclk[1] # !comclk[0];


--datain[8] is datain[8]
--operation mode is input

datain[8] = INPUT();


--datain[12] is datain[12]
--operation mode is input

datain[12] = INPUT();


--datain[4] is datain[4]
--operation mode is input

datain[4] = INPUT();


--datain[0] is datain[0]
--operation mode is input

datain[0] = INPUT();


--datain[9] is datain[9]
--operation mode is input

datain[9] = INPUT();


--datain[13] is datain[13]
--operation mode is input

datain[13] = INPUT();


--datain[5] is datain[5]
--operation mode is input

datain[5] = INPUT();


--datain[1] is datain[1]
--operation mode is input

datain[1] = INPUT();


--datain[6] is datain[6]
--operation mode is input

datain[6] = INPUT();


--datain[14] is datain[14]
--operation mode is input

datain[14] = INPUT();


--datain[10] is datain[10]
--operation mode is input

datain[10] = INPUT();


--datain[2] is datain[2]
--operation mode is input

datain[2] = INPUT();


--datain[11] is datain[11]
--operation mode is input

datain[11] = INPUT();


--datain[15] is datain[15]
--operation mode is input

datain[15] = INPUT();


--datain[7] is datain[7]
--operation mode is input

datain[7] = INPUT();


--datain[3] is datain[3]
--operation mode is input

datain[3] = INPUT();


--clk is clk
--operation mode is input

clk = INPUT();


--rst is rst
--operation mode is input

rst = INPUT();


--dataout[0] is dataout[0]
--operation mode is output

dataout[0] = OUTPUT(A1L2);


--dataout[1] is dataout[1]
--operation mode is output

dataout[1] = OUTPUT(A1L4);


--dataout[2] is dataout[2]
--operation mode is output

dataout[2] = OUTPUT(A1L6);


--dataout[3] is dataout[3]
--operation mode is output

dataout[3] = OUTPUT(A1L8);


--ledcom[0] is ledcom[0]
--operation mode is output

ledcom[0] = OUTPUT(!A1L43);


--ledcom[1] is ledcom[1]
--operation mode is output

ledcom[1] = OUTPUT(A1L44);


--ledcom[2] is ledcom[2]
--operation mode is output

ledcom[2] = OUTPUT(A1L42);


--ledcom[3] is ledcom[3]
--operation mode is output

ledcom[3] = OUTPUT(!A1L40);