adding sigbufs
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alexmadison
parent
067b2645ee
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3bf7c21c48
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@ -91,15 +91,16 @@ defproc decoder_dualrail (Mx1of2<Nc> in; bool? out[N]; power supply) {
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* Be careful of out[] indexing.
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*/
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export template<pint Nc, N, OUT_STRENGTH>
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defproc decoder_dualrail_x(Mx1of2<Nc> in; bool? out[N*OUT_STRENGTH]; power supply) {
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defproc decoder_dualrail_x(Mx1of2<Nc> in; bool? out[N]; power supply) {
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decoder_dualrail<Nc, N> decoder(.in = in, .supply = supply);
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sigbuf<OUT_STRENGTH> sb[N];
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(i:N:
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sb[i].in = decoder.out[i];
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sb[i].supply = supply;
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(j:OUT_STRENGTH:
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sb[i].out[j] = out[j + i*OUT_STRENGTH];
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)
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sb[i].out[0] = out[i];
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// (j:OUT_STRENGTH:
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// sb[i].out[j] = out[j + i*OUT_STRENGTH];
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// )
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)
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}
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@ -126,40 +127,6 @@ defproc decoder_dualrail_en(Mx1of2<Nc> in; bool? en, out[N]; power supply) {
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}
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/**
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* Dualrail decoder with on/off switch.
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* Outputs are buffered.
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*/
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// export template<pint Nc, N, OUT_STRENGTH>
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// defproc decoder_dualrail_en_x(Mx1of2<Nc> in; bool? en, out[N]; power supply) {
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// decoder_dualrail<Nc, N> decoder(.in = in, .supply = supply);
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// sigbuf<N> sb_en(.in = en, .supply = supply);
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// sigbuf<OUT_STRENGTH> sb[N];
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// AND2_X1 en_ands[N];
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// (i:N:
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// en_ands[i].a = decoder.out[i];
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// en_ands[i].b = sb_en.out[i];
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// en_ands[i].vdd = supply.vdd;
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// en_ands[i].vss = supply.vss;
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// sb[i].in = en_ands[i].y;
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// sb[i].supply = supply;
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// // (j:OUT_STRENGTH:
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// // sb[i].out[j] = out[j + i*OUT_STRENGTH];
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// // )
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// sb[i].out[0] = out[i];
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// )
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// }
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/**
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@ -242,6 +209,9 @@ defproc and_grid(bool! out[Nx*Ny]; bool? inx[Nx], iny[Ny]; power supply) {
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export template<pint NxC, NyC, Nx, Ny>
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defproc decoder_2d_hs (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? reset_B; power supply) {
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bool _reset_BX[Nx];
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sigbuf<Nx> reset_sb(.in = reset_B, .out = _reset_BX, .supply = supply);
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// Buffer to recieve concat(x,y) address packet
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buffer<NxC+NyC> addr_buf(.in = in, .reset_B = reset_B, .supply = supply);
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@ -303,7 +273,7 @@ defproc decoder_2d_hs (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? reset_B; po
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pu[i].vdd = supply.vdd;
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pu[i].vss = supply.vss;
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pu_reset[i].a = reset_B;
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pu_reset[i].a = _reset_BX[i];
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pu_reset[i].y = _out_acksB[i];
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pu_reset[i].vdd = supply.vdd;
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pu_reset[i].vss = supply.vss;
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@ -345,6 +315,9 @@ export template<pint NxC, NyC, Nx, Ny, N_dly_cfg>
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defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg[N_dly_cfg], hs_en,
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reset_B; power supply) {
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bool _reset_BX[Nx];
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sigbuf<Nx> reset_sb(.in = reset_B, .out = _reset_BX, .supply = supply);
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bool hs_enB;
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INV_X4 hs_inv(.a = hs_en, .y = hs_enB, .vdd = supply.vdd, .vss = supply.vss);
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@ -358,6 +331,7 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
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(i:0..NyC-1:d_dr_y.in.d[i] = addr_buf.out.d.d[i+NxC];)
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// sig buf for reqx lines, since they go to synapse pull down gates.
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// Signals to the and-grid are buffered therein.
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sigbuf<Ny+1> d_dr_xX[Nx];
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(i:Nx:
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d_dr_xX[i].in = d_dr_x.out[i];
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@ -410,7 +384,7 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
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pu[i].vdd = supply.vdd;
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pu[i].vss = supply.vss;
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pu_reset[i].a = reset_B;
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pu_reset[i].a = _reset_BX[i];
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pu_reset[i].y = _out_acksB[i];
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pu_reset[i].vdd = supply.vdd;
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pu_reset[i].vss = supply.vss;
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@ -570,10 +544,15 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
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(i:Nc:ors_t[i].supply = supply; ors_t[i].out = out.d[i].t;)
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(i:Nc:ors_f[i].supply = supply; ors_f[i].out = out.d[i].f;)
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bool _inX[N];
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sigbuf_boolarray<N, Nc> sb_in(.in = in, .out = _inX, .supply = supply);
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pint num_connected_t; // Number of guys already connected to the current OR tree
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pint num_connected_f;
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TIELO_X1 tielo(.vdd = supply.vdd, .vss = supply.vss); // I'm sorry
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TIELO_X1 tielo[Nc]; // I'm sorry
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(i:Nc:tielo[i].vdd = supply.vdd; tielo[i].vss = supply.vss;)
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pint bitval;
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(i:0..Nc-1: // For each output line
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num_connected_t = 0;
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@ -581,16 +560,16 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
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(j:0.. _N-1:
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bitval = (j & ( 1 << i )) >> i; // Get binary digit of integer j, column i
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[bitval = 1 & j <= N-1->
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ors_t[i].in[num_connected_t] = in[j];
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ors_t[i].in[num_connected_t] = _inX[j];
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num_connected_t = num_connected_t + 1;
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[] bitval = 0 & j <= N-1->
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ors_f[i].in[num_connected_f] = in[j];
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ors_f[i].in[num_connected_f] = _inX[j];
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num_connected_f = num_connected_f + 1;
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[] bitval = 1 & j > N-1->
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ors_t[i].in[num_connected_t] = tielo.y;
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ors_t[i].in[num_connected_t] = tielo[i].y;
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num_connected_t = num_connected_t + 1;
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[] bitval = 0 & j > N-1->
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ors_f[i].in[num_connected_f] = tielo.y;
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ors_f[i].in[num_connected_f] = tielo[i].y;
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num_connected_f = num_connected_f + 1;
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]
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@ -604,11 +583,11 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
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/**
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* Buffer function code.
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* Is the function block ripped from the buffer_s.
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* Used in the encoder2d.
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*/
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/**
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* Buffer function code.
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* Is the function block ripped from the buffer_s.
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* Used in the encoder2d.
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*/
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export template<pint N>
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defproc buffer_s_func (Mx1of2<N> in; avMx1of2<N> out; bool? in_v, en, reset_B; power supply) {
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//function
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@ -619,9 +598,9 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
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A_2C2N_RB_X4 t_buf_func[N];
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// reset buffers
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bool _reset_BX,_reset_BXX[N];
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bool _reset_BX,_reset_BXX[N*2];
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BUF_X1 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<N> reset_bufarray(.in=_reset_BX, .out=_reset_BXX, .supply=supply);
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sigbuf<N*2> reset_bufarray(.in=_reset_BX, .out=_reset_BXX, .supply=supply);
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// Enable signal buffers
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sigbuf<N> en_buf_t(.in=en, .out=_en_X_t, .supply=supply);
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@ -654,8 +633,8 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
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t_buf_func[i].vss=supply.vss;
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t_buf_func[i].pr_B = _reset_BXX[i];
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t_buf_func[i].sr_B = _reset_BXX[i];
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f_buf_func[i].pr_B = _reset_BXX[i];
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f_buf_func[i].sr_B = _reset_BXX[i];
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f_buf_func[i].pr_B = _reset_BXX[i+N];
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f_buf_func[i].sr_B = _reset_BXX[i+N];
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)
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}
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@ -665,9 +644,10 @@ defproc decoder_2d_hybrid (avMx1of2<NxC+NyC> in; a1of1 out[Nx*Ny]; bool? dly_cfg
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defproc encoder2d(a1of1 inx[Nx]; a1of1 iny[Ny]; avMx1of2<(NxC + NyC)> out; power supply; bool reset_B) {
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// Reset buffers
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pint H = 2*(NxC + NyC); //Reset strength? to be investigated
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bool _reset_BX,_reset_BXX[H];
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BUF_X4 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<2*(NxC + NyC)> reset_bufarray(.in=_reset_BX, .out=_reset_BXX,.supply=supply);
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BUF_X4 reset_buf(.a=reset_B, .y=_reset_BX,.vdd=supply.vdd,.vss=supply.vss);
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sigbuf<2*(NxC + NyC)> reset_bufarray(.in=_reset_BX, .out=_reset_BXX,.supply=supply);
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// Arbiters
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a1of1 _arb_out_x, _arb_out_y;
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