Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-23 14:19:01 +03:00
Code Issues Actions 3 Packages Projects Releases Wiki Activity

removed runtime ioport tagmap lookup when using PORT_CONDITION with PORT_BIT, used by gmgalax for example [smf]

Browse Source
This commit is contained in:
smf- 2013-02-11 12:23:01 +00:00
parent eba5498d6a
commit 47c3ba0bf1
2 changed files with 24 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
src/emu/ioport.c
View File

@ -1522,14 +1522,14 @@ astring natural_keyboard::dump()
// eval - evaluate condition
//-------------------------------------------------
bool ioport_condition::eval(device_t &device) const
bool ioport_condition::eval() const
{
// always condition is always true
if (m_condition == ALWAYS)
return true;
// otherwise, read the referenced port and switch off the condition type
ioport_value condvalue = device.ioport(m_tag)->read();
ioport_value condvalue = m_port->read();
switch (m_condition)
{
case ALWAYS: return true;
@ -1544,6 +1544,17 @@ bool ioport_condition::eval(device_t &device) const
}
//-------------------------------------------------
// initialize - create the live state
//-------------------------------------------------
void ioport_condition::initialize(device_t &device)
{
if (m_tag != NULL)
m_port = device.ioport(m_tag);
}
//**************************************************************************
// I/O PORT SETTING
@ -2257,6 +2268,11 @@ void ioport_field::init_live_state(analog_field *analog)
// allocate live state
m_live = global_alloc(ioport_field_live(*this, analog));
m_condition.initialize(device());
for (ioport_setting *setting = first_setting(); setting != NULL; setting = setting->next())
setting->condition().initialize(setting->device());
}

9
src/emu/ioport.h
View File

@ -917,7 +917,7 @@ public:
// operators
bool operator==(const ioport_condition &rhs) const { return (m_mask == rhs.m_mask && m_value == rhs.m_value && m_condition == rhs.m_condition && strcmp(m_tag, rhs.m_tag) == 0); }
bool eval(device_t &device) const;
bool eval() const;
bool none() const { return (m_condition == ALWAYS); }
// configuration
@ -930,10 +930,13 @@ public:
m_value = value;
}
void initialize(device_t &device);
private:
// internal state
condition_t m_condition; // condition to use
const char * m_tag; // tag of port whose condition is to be tested
ioport_port * m_port; // reference to the port to be tested
ioport_value m_mask; // mask to apply to the port
ioport_value m_value; // value to compare against
};
@ -961,7 +964,7 @@ public:
const char *name() const { return m_name; }
// helpers
bool enabled() { return m_condition.eval(device()); }
bool enabled() { return m_condition.eval(); }
private:
// internal state
@ -1084,7 +1087,7 @@ public:
bool is_digital_joystick() const { return (m_type > IPT_DIGITAL_JOYSTICK_FIRST && m_type < IPT_DIGITAL_JOYSTICK_LAST); }
// additional operations
bool enabled() const { return m_condition.eval(device()); }
bool enabled() const { return m_condition.eval(); }
const char *setting_name() const;
bool has_previous_setting() const;
void select_previous_setting();