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Reduce more gate templates to use vvm_1bit_out (Eric Aardoom)

This commit is contained in:
steve 1999-11-25 01:34:04 +00:00
parent 680c35a845
commit ac25dc03a8
1 changed files with 28 additions and 94 deletions
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122
vvm/vvm_gates.h
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@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: vvm_gates.h,v 1.27 1999/11/24 04:38:49 steve Exp $" #ident "$Id: vvm_gates.h,v 1.28 1999/11/25 01:34:04 steve Exp $"
#endif #endif
# include "vvm.h" # include "vvm.h"
@ -472,40 +472,28 @@ template <unsigned WIDTH, unsigned SIZE, unsigned SELWID> class vvm_mux {
} }
}; };
template <unsigned WIDTH, unsigned long DELAY> class vvm_or { template <unsigned WIDTH, unsigned long DELAY>
class vvm_or : private vvm_1bit_out {
public: public:
explicit vvm_or(vvm_out_event::action_t o) explicit vvm_or(vvm_out_event::action_t o)
: output_(o) { } : vvm_1bit_out(o,DELAY) { }
void init_I(unsigned idx, vpip_bit_t val) void init_I(unsigned idx, vpip_bit_t val)
{ input_[idx] = val; } { input_[idx] = val; }
void start(vvm_simulation*sim) void start(vvm_simulation*sim)
{ vvm_event*ev = new vvm_out_event(sim, { output(sim, compute_or(input_,WIDTH)); }
compute_or(input_,WIDTH),
output_);
if (DELAY > 0)
sim->insert_event(DELAY, ev);
else
sim->active_event(ev);
}
void set_I(vvm_simulation*sim, unsigned idx, vpip_bit_t val) void set_I(vvm_simulation*sim, unsigned idx, vpip_bit_t val)
{ if (input_[idx] == val) { if (input_[idx] == val)
return; return;
input_[idx] = val; input_[idx] = val;
output(sim, compute_or(input_,WIDTH));
vvm_event*ev = new vvm_out_event(sim, compute_(), output_);
if (DELAY > 0)
sim->insert_event(DELAY, ev);
else
sim->active_event(ev);
} }
private: private:
vpip_bit_t input_[WIDTH]; vpip_bit_t input_[WIDTH];
vvm_out_event::action_t output_;
}; };
template <unsigned WIDTH, unsigned long DELAY> template <unsigned WIDTH, unsigned long DELAY>
@ -647,51 +635,27 @@ template <unsigned long DELAY> class vvm_bufif1 {
} }
}; };
template <unsigned WIDTH, unsigned long DELAY> class vvm_nand { template <unsigned WIDTH, unsigned long DELAY>
class vvm_nand : private vvm_1bit_out {
public: public:
explicit vvm_nand(vvm_out_event::action_t o) explicit vvm_nand(vvm_out_event::action_t o)
: output_(o) : vvm_1bit_out(o, DELAY) { }
{ for (unsigned idx = 0 ; idx < WIDTH ; idx += 1)
input_[idx] = V0;
}
void init_I(unsigned idx, vpip_bit_t val) { input_[idx] = val; } void init_I(unsigned idx, vpip_bit_t val)
{ input_[idx] = val; }
void start(vvm_simulation*sim) void start(vvm_simulation*sim)
{ vvm_event*ev = new vvm_out_event(sim, compute_(), output_); { output(sim, compute_nand(input_,WIDTH)); }
if (DELAY > 0)
sim->insert_event(DELAY, ev);
else
sim->active_event(ev);
}
// Set an input of the NAND gate causes a new output value to
// be calculated and an event generated to make the output
// happen. The input pins are numbered from 1 - WIDTH.
void set_I(vvm_simulation*sim, unsigned idx, vpip_bit_t val) void set_I(vvm_simulation*sim, unsigned idx, vpip_bit_t val)
{ if (input_[idx] == val) { if (input_[idx] == val) return;
return;
input_[idx] = val; input_[idx] = val;
output(sim, compute_nand(input_,WIDTH));
vvm_event*ev = new vvm_out_event(sim, compute_(), output_);
if (DELAY > 0)
sim->insert_event(DELAY, ev);
else
sim->active_event(ev);
} }
private: private:
vpip_bit_t compute_() const
{ vpip_bit_t outval = input_[0];
for (unsigned i = 1 ; i < WIDTH ; i += 1)
outval = outval & input_[i];
outval = not(outval);
return outval;
}
vpip_bit_t input_[WIDTH]; vpip_bit_t input_[WIDTH];
vvm_out_event::action_t output_;
}; };
/* /*
@ -712,83 +676,50 @@ template <unsigned long DELAY> class vvm_not : private vvm_1bit_out {
private: private:
}; };
template <unsigned WIDTH, unsigned long DELAY> class vvm_xnor { template <unsigned WIDTH, unsigned long DELAY>
class vvm_xnor : private vvm_1bit_out {
public: public:
explicit vvm_xnor(vvm_out_event::action_t o) explicit vvm_xnor(vvm_out_event::action_t o)
: output_(o) { } : vvm_1bit_out(o,DELAY) { }
void init_I(unsigned idx, vpip_bit_t val) { input_[idx] = val; } void init_I(unsigned idx, vpip_bit_t val) { input_[idx] = val; }
void start(vvm_simulation*sim) void start(vvm_simulation*sim)
{ vvm_event*ev = new vvm_out_event(sim, compute_(), output_); { output(sim,compute_xnor(input_,WIDTH)); }
if (DELAY > 0)
sim->insert_event(DELAY, ev);
else
sim->active_event(ev);
}
void set_I(vvm_simulation*sim, unsigned idx, vpip_bit_t val) void set_I(vvm_simulation*sim, unsigned idx, vpip_bit_t val)
{ if (input_[idx] == val) { if (input_[idx] == val)
return; return;
input_[idx] = val; input_[idx] = val;
vpip_bit_t outval = compute_(); output(sim,compute_xnor(input_,WIDTH));
vvm_event*ev = new vvm_out_event(sim, outval, output_);
if (DELAY > 0)
sim->insert_event(DELAY, ev);
else
sim->active_event(ev);
} }
private: private:
vpip_bit_t compute_() const
{ vpip_bit_t outval = input_[0];
for (unsigned i = 1 ; i < WIDTH ; i += 1)
outval = outval ^ input_[i];
outval = not(outval);
return outval;
}
vpip_bit_t input_[WIDTH]; vpip_bit_t input_[WIDTH];
vvm_out_event::action_t output_;
}; };
template <unsigned WIDTH, unsigned long DELAY> class vvm_xor { template <unsigned WIDTH, unsigned long DELAY>
class vvm_xor : private vvm_1bit_out {
public: public:
explicit vvm_xor(vvm_out_event::action_t o) explicit vvm_xor(vvm_out_event::action_t o)
: output_(o) { } : vvm_1bit_out(o,DELAY) { }
void init_I(unsigned idx, vpip_bit_t val) void init_I(unsigned idx, vpip_bit_t val)
{ input_[idx] = val; } { input_[idx] = val; }
void start(vvm_simulation*sim) void start(vvm_simulation*sim)
{ vvm_event*ev = new vvm_out_event(sim, compute_(), output_); { output(sim,compute_xor(input_,WIDTH)); }
if (DELAY > 0)
sim->insert_event(DELAY, ev);
else
sim->active_event(ev);
}
void set_I(vvm_simulation*sim, unsigned idx, vpip_bit_t val) void set_I(vvm_simulation*sim, unsigned idx, vpip_bit_t val)
{ if (input_[idx] == val) { if (input_[idx] == val)
return; return;
input_[idx] = val; input_[idx] = val;
start(sim); output(sim,compute_xor(input_,WIDTH)); }
}
private: private:
vpip_bit_t compute_() const
{ vpip_bit_t outval = input_[0];
for (unsigned i = 1 ; i < WIDTH ; i += 1)
outval = outval ^ input_[i];
return outval;
}
vpip_bit_t input_[WIDTH]; vpip_bit_t input_[WIDTH];
vvm_out_event::action_t output_;
}; };
/* /*
@ -982,6 +913,9 @@ template <unsigned WIDTH> class vvm_pevent {
/* /*
* $Log: vvm_gates.h,v $ * $Log: vvm_gates.h,v $
* Revision 1.28 1999/11/25 01:34:04 steve
* Reduce more gate templates to use vvm_1bit_out (Eric Aardoom)
*
* Revision 1.27 1999/11/24 04:38:49 steve * Revision 1.27 1999/11/24 04:38:49 steve
* LT and GT fixes from Eric Aardoom. * LT and GT fixes from Eric Aardoom.
* *