diff options
author | 2010-07-02 15:42:18 +0000 | |
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committer | 2010-07-02 15:42:18 +0000 | |
commit | 7f1122418454aa249f89f99ac5db6ecce55a0760 (patch) | |
tree | c8369704325344302f1eccc1aa6026a844845da1 /src/emu/devintrf.c | |
parent | 553ec7f42716c9bcb35d3efb0e3c903a72f640cb (diff) |
Added overrides to fetch the execute and state interfaces without doing
a dynamic_cast<> to speed up common legacy operations.
Diffstat (limited to 'src/emu/devintrf.c')
-rw-r--r-- | src/emu/devintrf.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/emu/devintrf.c b/src/emu/devintrf.c index 25caae2b1bb..c7e39361618 100644 --- a/src/emu/devintrf.c +++ b/src/emu/devintrf.c @@ -683,6 +683,8 @@ void device_interface::interface_debug_setup() device_t::device_t(running_machine &_machine, const device_config &config) : machine(&_machine), m_machine(_machine), + m_execute(NULL), + m_state(NULL), m_next(NULL), m_owner((config.m_owner != NULL) ? _machine.m_devicelist.find(config.m_owner->tag()) : NULL), m_interface_list(NULL), @@ -819,6 +821,10 @@ UINT64 device_t::attotime_to_clocks(attotime duration) const void device_t::start() { + // look up the common interfaces + m_execute = dynamic_cast<device_execute_interface *>(this); + m_state = dynamic_cast<device_state_interface *>(this); + // populate the region field m_region = m_machine.region(tag()); |