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出血FPGA,用VHDL做的音乐盒

<P> --E1_Counter[4] is NoteTabs:inst3|Counter[4]
<P> --operation mode is arithmetic

<P><A NAME="E1_Counter[4]_carry_eqn">E1_Counter[4]_carry_eqn</A> = <A HREF="#E1L8">E1L8</A>;
<P><A NAME="E1_Counter[4]_lut_out">E1_Counter[4]_lut_out</A> = <A HREF="#E1_Counter[4]">E1_Counter[4]</A> $ (<A HREF="#E1_Counter[4]_carry_eqn">E1_Counter[4]_carry_eqn</A>);
<P><A NAME="E1_Counter[4]">E1_Counter[4]</A> = DFFEAS(<A HREF="#E1_Counter[4]_lut_out">E1_Counter[4]_lut_out</A>, <A HREF="#CLK8Hz">CLK8Hz</A>, !<A HREF="#E1L18">E1L18</A>, , , , , , );

<P> --E1L10 is NoteTabs:inst3|Counter[4]~33
<P> --operation mode is arithmetic

<P><A NAME="E1L10">E1L10</A> = CARRY(!<A HREF="#E1L8">E1L8</A> # !<A HREF="#E1_Counter[4]">E1_Counter[4]</A>);


<P> --E1_Counter[5] is NoteTabs:inst3|Counter[5]
<P> --operation mode is arithmetic

<P><A NAME="E1_Counter[5]_carry_eqn">E1_Counter[5]_carry_eqn</A> = <A HREF="#E1L10">E1L10</A>;
<P><A NAME="E1_Counter[5]_lut_out">E1_Counter[5]_lut_out</A> = <A HREF="#E1_Counter[5]">E1_Counter[5]</A> $ (!<A HREF="#E1_Counter[5]_carry_eqn">E1_Counter[5]_carry_eqn</A>);
<P><A NAME="E1_Counter[5]">E1_Counter[5]</A> = DFFEAS(<A HREF="#E1_Counter[5]_lut_out">E1_Counter[5]_lut_out</A>, <A HREF="#CLK8Hz">CLK8Hz</A>, !<A HREF="#E1L18">E1L18</A>, , , , , , );

<P> --E1L12 is NoteTabs:inst3|Counter[5]~34
<P> --operation mode is arithmetic

<P><A NAME="E1L12">E1L12</A> = CARRY(<A HREF="#E1_Counter[5]">E1_Counter[5]</A> & (!<A HREF="#E1L10">E1L10</A>));


<P> --E1_Counter[6] is NoteTabs:inst3|Counter[6]
<P> --operation mode is arithmetic

<P><A NAME="E1_Counter[6]_carry_eqn">E1_Counter[6]_carry_eqn</A> = <A HREF="#E1L12">E1L12</A>;
<P><A NAME="E1_Counter[6]_lut_out">E1_Counter[6]_lut_out</A> = <A HREF="#E1_Counter[6]">E1_Counter[6]</A> $ (<A HREF="#E1_Counter[6]_carry_eqn">E1_Counter[6]_carry_eqn</A>);
<P><A NAME="E1_Counter[6]">E1_Counter[6]</A> = DFFEAS(<A HREF="#E1_Counter[6]_lut_out">E1_Counter[6]_lut_out</A>, <A HREF="#CLK8Hz">CLK8Hz</A>, !<A HREF="#E1L18">E1L18</A>, , , , , , );

<P> --E1L14 is NoteTabs:inst3|Counter[6]~35
<P> --operation mode is arithmetic

<P><A NAME="E1L14">E1L14</A> = CARRY(!<A HREF="#E1L12">E1L12</A> # !<A HREF="#E1_Counter[6]">E1_Counter[6]</A>);


<P> --E1_Counter[7] is NoteTabs:inst3|Counter[7]
<P> --operation mode is normal

<P><A NAME="E1_Counter[7]_carry_eqn">E1_Counter[7]_carry_eqn</A> = <A HREF="#E1L14">E1L14</A>;
<P><A NAME="E1_Counter[7]_lut_out">E1_Counter[7]_lut_out</A> = <A HREF="#E1_Counter[7]">E1_Counter[7]</A> $ (!<A HREF="#E1_Counter[7]_carry_eqn">E1_Counter[7]_carry_eqn</A>);
<P><A NAME="E1_Counter[7]">E1_Counter[7]</A> = DFFEAS(<A HREF="#E1_Counter[7]_lut_out">E1_Counter[7]_lut_out</A>, <A HREF="#CLK8Hz">CLK8Hz</A>, !<A HREF="#E1L18">E1L18</A>, , , , , , );


<P> --E1L16 is NoteTabs:inst3|Equal0~66
<P> --operation mode is normal

<P><A NAME="E1L16">E1L16</A> = <A HREF="#E1_Counter[1]">E1_Counter[1]</A> & (!<A HREF="#E1_Counter[0]">E1_Counter[0]</A>);


<P> --E1L17 is NoteTabs:inst3|Equal0~67
<P> --operation mode is normal

<P><A NAME="E1L17">E1L17</A> = <A HREF="#E1_Counter[7]">E1_Counter[7]</A> & !<A HREF="#E1_Counter[4]">E1_Counter[4]</A> & !<A HREF="#E1_Counter[5]">E1_Counter[5]</A> & !<A HREF="#E1_Counter[6]">E1_Counter[6]</A>;


<P> --E1L18 is NoteTabs:inst3|Equal0~68
<P> --operation mode is normal

<P><A NAME="E1L18">E1L18</A> = <A HREF="#E1_Counter[3]">E1_Counter[3]</A> & <A HREF="#E1L16">E1L16</A> & <A HREF="#E1L17">E1L17</A> & !<A HREF="#E1_Counter[2]">E1_Counter[2]</A>;


<P> --D1_HIGH is TONETABA:inst2|HIGH
<P> --operation mode is normal

<P><A NAME="D1_HIGH">D1_HIGH</A> = <A HREF="#D1L9">D1L9</A> & (<A HREF="#D1_HIGH">D1_HIGH</A>) # !<A HREF="#D1L9">D1L9</A> & <A HREF="#G1_q_a[3]">G1_q_a[3]</A>;


<P> --D1_CODE[2] is TONETABA:inst2|CODE[2]
<P> --operation mode is normal

<P><A NAME="D1_CODE[2]">D1_CODE[2]</A> = <A HREF="#D1L9">D1L9</A> & (<A HREF="#D1_CODE[2]">D1_CODE[2]</A>) # !<A HREF="#D1L9">D1L9</A> & !<A HREF="#D1L8">D1L8</A>;


<P> --D1_CODE[1] is TONETABA:inst2|CODE[1]
<P> --operation mode is normal

<P><A NAME="D1_CODE[1]">D1_CODE[1]</A> = <A HREF="#D1L9">D1L9</A> & (<A HREF="#D1_CODE[1]">D1_CODE[1]</A>) # !<A HREF="#D1L9">D1L9</A> & <A HREF="#D1L7">D1L7</A>;


<P> --D1_CODE[0] is TONETABA:inst2|CODE[0]
<P> --operation mode is normal

<P><A NAME="D1_CODE[0]">D1_CODE[0]</A> = <A HREF="#D1L9">D1L9</A> & (<A HREF="#D1_CODE[0]">D1_CODE[0]</A>) # !<A HREF="#D1L9">D1L9</A> & <A HREF="#D1L6">D1L6</A>;


<P> --CLK12M is CLK12M
<P> --operation mode is input

<P><A NAME="CLK12M">CLK12M</A> = INPUT();


<P> --CLK8Hz is CLK8Hz
<P> --operation mode is input

<P><A NAME="CLK8Hz">CLK8Hz</A> = INPUT();


<P> --HIGN is HIGN
<P> --operation mode is output

<P><A NAME="HIGN">HIGN</A> = OUTPUT(<A HREF="#D1_HIGH">D1_HIGH</A>);


<P> --SPKS is SPKS
<P> --operation mode is output

<P><A NAME="SPKS">SPKS</A> = OUTPUT(GND);


<P> --CODE[3] is CODE[3]
<P> --operation mode is output

<P><A NAME="CODE[3]">CODE[3]</A> = OUTPUT(GND);


<P> --CODE[2] is CODE[2]
<P> --operation mode is output

<P><A NAME="CODE[2]">CODE[2]</A> = OUTPUT(<A HREF="#D1_CODE[2]">D1_CODE[2]</A>);


<P> --CODE[1] is CODE[1]
<P> --operation mode is output

<P><A NAME="CODE[1]">CODE[1]</A> = OUTPUT(<A HREF="#D1_CODE[1]">D1_CODE[1]</A>);


<P> --CODE[0] is CODE[0]
<P> --operation mode is output

<P><A NAME="CODE[0]">CODE[0]</A> = OUTPUT(<A HREF="#D1_CODE[0]">D1_CODE[0]</A>);


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