diff options
Diffstat (limited to 'src/lib/netlist/devices/nld_tristate.h')
-rw-r--r-- | src/lib/netlist/devices/nld_tristate.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/lib/netlist/devices/nld_tristate.h b/src/lib/netlist/devices/nld_tristate.h new file mode 100644 index 00000000000..604ae7f03fd --- /dev/null +++ b/src/lib/netlist/devices/nld_tristate.h @@ -0,0 +1,31 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz +/* + * nld_tristate.h + * + * tristate: Hack to merge two tri-stated outputs together + * + */ + +#ifndef NLD_TRISTATE_H_ +#define NLD_TRISTATE_H_ + +#include "nl_setup.h" + +#define TTL_TRISTATE(name, cCEQ1, cD1, cCEQ2, cD2) \ + NET_REGISTER_DEV(TTL_TRISTATE, name) \ + NET_CONNECT(name, CEQ1, cCEQ1) \ + NET_CONNECT(name, D1, cD1) \ + NET_CONNECT(name, CEQ2, cCEQ2) \ + NET_CONNECT(name, D2, cD2) + +#define TTL_TRISTATE3(name, cCEQ1, cD1, cCEQ2, cD2, cCEQ3, cD3) \ + NET_REGISTER_DEV(TTL_TRISTATE3, name) \ + NET_CONNECT(name, CEQ1, cCEQ1) \ + NET_CONNECT(name, D1, cD1) \ + NET_CONNECT(name, CEQ2, cCEQ2) \ + NET_CONNECT(name, D2, cD2) \ + NET_CONNECT(name, CEQ3, cCEQ3) \ + NET_CONNECT(name, D3, cD3) + +#endif /* NLD_TRISTATE_H_ */ |