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-rw-r--r--cpu8/cpu_adder16bit/Makefile12
-rw-r--r--cpu8/cpu_adder16bit/cpu_adder16bit.cpp205
-rw-r--r--cpu8/cpu_adder16bit/cpu_adder16bit.hpp73
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);
+} \ No newline at end of file
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 \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 19:02:47 +0000