updated greycnt.sch example
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stefan schippers
parent
7402385a82
commit
a66b4bb39b
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@ -19,53 +19,39 @@ v {xschem version=3.4.6 file_version=1.2
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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}
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G {process
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begin
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if now = 0 ns then
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A <= "00000000";
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elsif A = "00000000" and now > 100 ns then
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wait;
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end if;
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wait for 100 ns;
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A <= A + 1;
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end process;}
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G {}
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K {}
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V {initial begin
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$dumpfile("dumpfile.vcd");
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$dumpvars(0, greycnt);
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A=0;
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end
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always begin
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#100000;
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$display("%08b %08b %08b", A, B, C);
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A=A + 1;
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if(A==0) $finish;
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end
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}
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S {
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.tran 1n 2000n
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* to generate following file copy .../share/doc/xschem/examples/stimuli.greycnt
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* to the simulation directory and run simulation -> Utile Stimuli Editor (GUI),
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* and press 'Translate'
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.include stimuli_greycnt.cir
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.model nmos NMOS
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+ LEVEL=1
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+ LMIN=0.5e-6 LMAX=50e-6 WMIN=0.9e-6 WMAX=1
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+ VTO=0.7 GAMMA=0.45 PHI=0.9
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+ NSUB=9e14 LD=0.08e-6 UO=350 LAMBDA=0.1
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+ TOX=9e-9 PB=0.9 CJ=0.56e-3 CJSW=0.35e-11
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+ MJ=0.45 MJSW=0.2 CGDO=0.4e-9 JS=1.0e-8
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.model pmos PMOS
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+ LEVEL=1
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+ LMIN=0.5e-6 LMAX=50e-6 WMIN=0.9e-6 WMAX=1
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+ VTO=-0.8 GAMMA=0.4 PHI=0.8
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+ NSUB=5e14 LD=0.09e-6 UO=100 LAMBDA=0.2
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+ TOX=9e-9 PB=0.9 CJ=0.94e-3 CJSW=0.32e-11
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+ MJ=0.5 MJSW=0.3 CGDO=0.3e-9 JS=0.5e-8}
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V {}
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S {}
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E {}
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B 2 0 -670 530 -450 {flags=graph
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y1=0
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y2=3
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ypos1=0.13175071
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ypos2=2.0823094
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divy=5
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subdivy=1
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unity=1
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x1=0
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x2=1.2u
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subdivx=4
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xlabmag=1.2
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ylabmag=1.0
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node="A;a[7],a[6],a[5],a[4],a[3],a[2],a[1],a[0]
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B;b[7],b[6],b[5],b[4],b[3],b[2],b[1],b[0]
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C;c[7],c[6],c[5],c[4],c[3],c[2],c[1],c[0]
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a[0]
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b[0]
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c[0]"
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dataset=-1
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unitx=1
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logx=0
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logy=0
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digital=1
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color="4 4 4 4 4 4"
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divx=4}
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T {BINARY} 500 -780 0 0 0.4 0.4 {}
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T {GRAY} 830 -780 0 0 0.4 0.4 {}
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T {BINARY} 1210 -780 0 0 0.4 0.4 {}
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@ -185,7 +171,7 @@ C {xnor.sym} 1060 -310 0 0 {name=x11}
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C {xnor.sym} 1060 -390 0 0 {name=x12}
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C {xnor.sym} 1060 -150 0 0 {name=x13}
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C {lab_pin.sym} 150 -190 0 1 { name=l26 lab=C[7:0] }
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C {use.sym} 60 -650 0 0 {library ieee;
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C {use.sym} 60 -770 0 0 {library ieee;
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use std.TEXTIO.all;
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use ieee.std_logic_1164.all;
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use ieee.std_logic_arith.all;
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@ -212,3 +198,83 @@ C {bus_tap.sym} 560 -520 1 1 {name=l18 lab=[5]}
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C {bus_tap.sym} 560 -600 1 1 {name=l19 lab=[6]}
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C {bus_tap.sym} 560 -680 1 1 {name=l20 lab=[7]}
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C {lab_pin.sym} 520 -80 0 0 {name=p1 lab=A[7:0]}
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C {launcher.sym} 130 -430 0 0 {name=h5
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descr="load waves"
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tclcommand="xschem raw_read $netlist_dir/greycnt.raw tran"
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}
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C {simulator_commands.sym} 240 -210 0 0 {name=COMMANDS
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verilog_ignore=1
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vhdl_ignore=1
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spice_ignore="tcleval([regexp -nocase \{xyce\} $sim(spice,$sim(spice,default),name)])"
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simulator=ngspice
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only_toplevel=false
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value="
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* ngspice commands
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.options save all
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.control
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tran 1n 2000n
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remzerovec
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write greycnt.raw
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.endc
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* to generate following file copy .../share/doc/xschem/examples/stimuli.greycnt
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* to the simulation directory and run simulation -> Utile Stimuli Editor (GUI),
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* and press 'Translate'
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.include stimuli_greycnt.cir
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.model nmos nmos level=49 version=3.3.0 vth0=0.8
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.model pmos pmos level=49 version=3.3.0 vth0=-0.8
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"}
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C {simulator_commands.sym} 370 -210 0 0 {name=COMMANDS1
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verilog_ignore=1
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vhdl_ignore=1
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spice_ignore="tcleval([regexp -nocase \{ngspice\} $sim(spice,$sim(spice,default),name)])"
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simulator=xyce
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only_toplevel=false
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value="
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* Xyce commands
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VGND GND 0 0
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.tran 0.1n 2000n
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.print tran format=raw
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+ file=greycnt.raw v(*) i(*)
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* to generate following file copy .../share/doc/xschem/examples/stimuli.greycnt
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* to the simulation directory and run simulation -> Utile Stimuli Editor (GUI),
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* and press 'Translate'
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.include stimuli_greycnt.cir
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.model nmos nmos level=49 version=3.3.0 vth0=0.8
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.model pmos pmos level=49 version=3.3.0 vth0=-0.8
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"}
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C {code.sym} 240 -380 0 0 {name=VHDL
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only_toplevel=false
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spice_ignore=1
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verilog_ignore=1
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value="process
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begin
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if now = 0 ns then
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A <= \\"00000000\\";
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elsif A = \\"00000000\\" and now > 100 ns then
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wait;
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end if;
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wait for 100 ns;
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A <= A + 1;
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end process;"}
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C {code.sym} 370 -380 0 0 {name=Verilog
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only_toplevel=false
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vhdl_ignore=1
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spice_ignore=1
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value="initial begin
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$dumpfile(\\"dumpfile.vcd\\");
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$dumpvars(0, greycnt);
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A=0;
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end
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always begin
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#100000;
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$display(\\"%08b %08b %08b\\", A, B, C);
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A=A + 1;
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if(A==0) $finish;
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end"}
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@ -1,13 +1,13 @@
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unit n
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voltage 5
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voltage 3
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slope 1
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format hspice_simple
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buswidth A 8 [ ]
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beginfile stimuli_greycnt.cir
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set VDD 5
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set VDD 3
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; set GND 0
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s 100
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set A 00
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@ -26,9 +26,28 @@ set A 06
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s 100
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set A 07
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s 100
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set A 08
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s 100
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set A 09
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s 100
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set A 0A
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s 100
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set A 0B
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s 100
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set A 0C
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s 100
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set A 0D
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s 100
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set A 0E
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s 100
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set A 0F
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s 100
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set A 10
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s 100
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set A 11
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s 100
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set A 12
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s 100
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endfile
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