diff options
Diffstat (limited to 'src/emu/netlist/devices/nld_system.c')
-rw-r--r-- | src/emu/netlist/devices/nld_system.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/emu/netlist/devices/nld_system.c b/src/emu/netlist/devices/nld_system.c index 4d02f5e9157..b4232819f05 100644 --- a/src/emu/netlist/devices/nld_system.c +++ b/src/emu/netlist/devices/nld_system.c @@ -135,3 +135,55 @@ ATTR_HOT ATTR_ALIGN void nld_d_to_a_proxy::update() } } } + + +// ----------------------------------------------------------------------------- +// nld_res_sw +// ----------------------------------------------------------------------------- + +NETLIB_START(res_sw) +{ + register_sub(m_R, "R"); + register_input("I", m_I); + register_param("RON", m_RON, 1.0); + register_param("ROFF", m_ROFF, 1.0E20); + + register_subalias("1", m_R.m_P); + register_subalias("2", m_R.m_N); + + save(NLNAME(m_last_state)); +} + +NETLIB_RESET(res_sw) +{ + m_last_state = 0; + m_R.set_R(m_ROFF.Value()); +} + +NETLIB_UPDATE(res_sw) +{ + const int state = INPLOGIC(m_I); + if (state != m_last_state) + { + m_last_state = state; + const nl_double R = state ? m_RON.Value() : m_ROFF.Value(); + + // We only need to update the net first if this is a time stepping net + if (1) // m_R.m_P.net().as_analog().solver()->is_timestep()) + { + m_R.update_dev(); + m_R.set_R(R); + m_R.m_P.schedule_after(NLTIME_FROM_NS(1)); + } + else + { + m_R.set_R(R); + m_R.update_dev(); + } + } +} + +NETLIB_UPDATE_PARAM(res_sw) +{ + // nothing, not intended to be called +} |