CPU add adder16

3 files changed, 290 insertions, 0 deletions

diff --git a/cpu8/cpu_adder16bit/Makefile b/cpu8/cpu_adder16bit/Makefile
new file mode 100644
index 0000000..7b8eee6
--- /dev/null
+++ b/cpu8/cpu_adder16bit/Makefile
@@ -0,0 +1,12 @@
+SYSTEMC_PATH=/home/fam/downloads/source/systemc/systemc-2.3.2
+SYSTEMC_INC=$(SYSTEMC_PATH)/src
+SYSTEMC_LIB=$(SYSTEMC_PATH)/src/.libs
+
+PROJECT=cpu_adder16bit
+
+make:
+	g++ $(PROJECT).cpp -I$(SYSTEMC_INC) -L$(SYSTEMC_LIB) -Wl,-rpath=$(SYSTEMC_LIB)\
+		-o $(PROJECT) -lsystemc -lm
+
+
+
diff --git a/cpu8/cpu_adder16bit/cpu_adder16bit.cpp b/cpu8/cpu_adder16bit/cpu_adder16bit.cpp
new file mode 100644
index 0000000..723fb47
--- /dev/null
+++ b/cpu8/cpu_adder16bit/cpu_adder16bit.cpp
@@ -0,0 +1,205 @@
+#include <iostream>
+#include <iomanip>
+
+#include "systemc.h"
+#include "systemc"
+#include <sysc/tracing/sc_trace.h>
+#include <sysc/tracing/sc_vcd_trace.h>
+
+#include "cpu_adder16bit.hpp"
+
+#define N 16
+
+void write_signal_port_out(sc_out<bool> *port_a, uint16_t d)
+{
+	int i;
+	//printf("%x\n",d);
+	for (i=0;i<N;i++)
+	{
+		int bit = (d>>i)&0x01;
+		//print(bit);
+		port_a[i]->write(bit);
+	}
+	//exit(0);
+}
+
+SC_MODULE(test_cpu_adder16bit)
+{
+	sc_out<bool> a[N],b[N],carry;
+	sc_in<bool> clk;
+
+	void test_cpu_adder16bit_stim()
+	{
+		wait();
+		a[0].write(0);
+		a[1].write(0);
+		b[0].write(0);
+		b[1].write(0);
+		carry.write(0);
+		
+		wait();
+		a[0].write(1);
+		a[1].write(0);
+		b[0].write(0);
+		b[1].write(0);
+		carry.write(0);
+
+		wait();
+		a[0].write(0);
+		a[1].write(1);
+		b[0].write(0);
+		b[1].write(0);
+		carry.write(0);
+
+		wait();
+		a[0].write(1);
+		a[1].write(1);
+		b[0].write(0);
+		b[1].write(0);
+		carry.write(0);
+
+		wait();
+		a[0].write(0);
+		a[1].write(0);
+		b[0].write(1);
+		b[1].write(0);
+		carry.write(0);
+
+		wait();
+		a[0].write(0);
+		a[1].write(0);
+		b[0].write(1);
+		b[1].write(1);
+		carry.write(0);
+
+		wait();
+		a[0].write(1);
+		a[1].write(0);
+		b[0].write(1);
+		b[1].write(0);
+		carry.write(0);
+
+		wait();
+		a[0].write(1);
+		a[1].write(1);
+		b[0].write(1);
+		b[1].write(0);
+		carry.write(0);
+
+		wait();
+		a[0].write(1);
+		a[1].write(1);
+		b[0].write(1);
+		b[1].write(1);
+		carry.write(0);
+
+		wait();
+		a[0].write(1);
+		a[1].write(1);
+		b[0].write(0);
+		b[1].write(1);
+		carry.write(0);
+
+		wait();
+		write_signal_port_out(a,0x0001);
+		write_signal_port_out(b,0x0000);
+
+		wait();
+		write_signal_port_out(a,0x0001);
+		write_signal_port_out(b,0x0001);
+
+		wait();
+		write_signal_port_out(a,0xFFFF);
+		write_signal_port_out(b,0x0000);
+
+		wait();
+		write_signal_port_out(a,0x0000);
+		write_signal_port_out(b,0xFFFF);
+
+		wait();
+		write_signal_port_out(a,0x0F0F);
+		write_signal_port_out(b,0x0F0F);
+
+		wait();
+		write_signal_port_out(a,0xF0F0);
+		write_signal_port_out(b,0xF0F0);
+
+		wait();
+		write_signal_port_out(a,0xFFFF);
+		write_signal_port_out(b,0x0001);
+
+		wait();
+		write_signal_port_out(a,0xFFFF);
+		write_signal_port_out(b,0x0000);
+		carry.write(1);
+
+		wait();
+		write_signal_port_out(a,0xFFFE);
+		write_signal_port_out(b,0x0001);
+		carry.write(0);
+
+		wait();
+
+		sc_stop();
+	}
+
+	SC_CTOR(test_cpu_adder16bit)
+	{
+		SC_THREAD(test_cpu_adder16bit_stim);
+		sensitive << clk.pos();
+
+	}
+};
+
+
+int sc_main(int argc, char **argv) {
+	int i;
+	sc_signal<bool> sig_in_a[N], sig_in_b[N],sig_out_c[N],sig_out_sum[N],sig_in_carry,sig_out_carry;
+	sc_clock TestClk("TestClk", 10, SC_NS, 0.5, 1, SC_NS);
+
+	test_cpu_adder16bit Stim1("Stimulus");
+	Stim1.carry(sig_in_carry);
+	Stim1.clk(TestClk);
+	for (i=0;i<N;i++)
+	{
+		Stim1.a[i](sig_in_a[i]);
+		Stim1.b[i](sig_in_b[i]);
+	}
+
+	
+	cpu_adder16bit DUT("cpu_adder16bit");
+	for (i=0;i<N;i++)
+	{
+		DUT.in_a[i](sig_in_a[i]);
+		DUT.in_b[i](sig_in_b[i]);
+		DUT.out_sum[i](sig_out_sum[i]);
+	}
+
+	DUT.in_carry(sig_in_carry);
+	DUT.out_carry(sig_out_carry);
+
+	
+	sc_trace_file *Tf;
+	
+	Tf = sc_create_vcd_trace_file("trace_cpu_adder16bit.dat");
+	sc_trace(Tf, sig_in_carry, "IN_CARRY");
+	sc_trace(Tf, sig_out_carry, "OUT_CARRY");
+	for (i=0;i<N;i++)
+	{
+		const static int sz=16;
+		char *str_a = (char *)malloc(sz);
+		snprintf(str_a,sz,"IN_A%02d",i);
+		sc_trace(Tf, sig_in_a[i], str_a);
+		char *str_b = (char *)malloc(sz);
+		snprintf(str_b,sz,"IN_B%02d",i);
+		sc_trace(Tf, sig_in_b[i], str_b);
+		char *str_sum = (char *)malloc(sz);
+		snprintf(str_sum,sz,"OUT_SUM%02d",i);
+		sc_trace(Tf, sig_out_sum[i], str_sum);
+	}
+
+	sc_start();
+	sc_close_vcd_trace_file(Tf);
+
+	return(0);
+}
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diff --git a/cpu8/cpu_adder16bit/cpu_adder16bit.hpp b/cpu8/cpu_adder16bit/cpu_adder16bit.hpp
new file mode 100644
index 0000000..a132665
--- /dev/null
+++ b/cpu8/cpu_adder16bit/cpu_adder16bit.hpp
@@ -0,0 +1,73 @@
+#ifndef __SYSC_CPU_ADDER16BIT_HPP
+#define __SYSC_CPU_ADDER16BIT_HPP
+
+#include "systemc.h"
+#include "../cpu_and/cpu_and.hpp"
+#include "../cpu_or/cpu_or.hpp"
+#include "../cpu_not/cpu_not.hpp"
+#include "../cpu_full_adder/cpu_full_adder.hpp"
+
+
+SC_MODULE (cpu_adder16bit) 
+{
+	const static int ADD_N=16;
+	//Inputs
+	sc_in <bool> in_a[ADD_N];
+	sc_in <bool> in_b[ADD_N];
+	sc_in <bool> in_carry;
+	sc_out <bool> out_sum[ADD_N];
+	sc_out <bool> out_carry;
+
+	cpu_full_adder *fulladder[ADD_N];
+
+	sc_signal<bool> sig_fadd[ADD_N-1];
+
+	void do_adder16bit()
+	{
+		/*
+		if (in_sel.read() == 0)
+		{
+			out_c.write(in_a.read());
+		}
+		if (in_sel.read() == 1)
+		{
+			out_c.write(in_b.read());
+		}
+		*/
+	}
+
+	SC_CTOR(cpu_adder16bit)
+	{
+
+		int i;
+		for (i=0;i<16;i++)
+		{
+			const int sz=16;
+			char *s=(char *)malloc(sz); //need to free s?
+			snprintf(s,sz,"FULLADD%02d",i);
+			fulladder[i] = new cpu_full_adder(s);
+		}
+
+		for (i=0;i<16;i++)
+		{
+			fulladder[i]->in_a(in_a[i]);
+			fulladder[i]->in_b(in_b[i]);
+			fulladder[i]->out_sum(out_sum[i]);
+		}
+
+		fulladder[0]->in_c(in_carry);
+		fulladder[ADD_N-1]->out_carry(out_carry);
+		for (i=1;i<ADD_N;i++)
+		{
+			
+			fulladder[i]->in_c(sig_fadd[i-1]);
+			fulladder[i-1]->out_carry(sig_fadd[i-1]);
+		}
+
+		//SC_METHOD(do_dmux);
+		//sensitive << in_a << in_b << in_sel;
+	}
+
+};
+
+#endif
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