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Added possibility of altering default input port setting for devices. [Miodrag Milanovic]

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This commit is contained in:
Miodrag Milanovic 2011-03-16 12:57:26 +00:00
parent 5fc16d9ce3
commit 9eea2335f9
4 changed files with 55 additions and 1 deletions
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1
src/emu/devintrf.c
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@ -293,6 +293,7 @@ device_config::device_config(const machine_config &mconfig, device_type type, co
m_clock(clock),
m_machine_config(mconfig),
m_static_config(NULL),
m_input_defaults(NULL),
m_name(name),
m_tag(tag),
m_config_complete(false)

6
src/emu/devintrf.h
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@ -108,6 +108,8 @@ device_t *_ConfigClass::alloc_device(running_machine &machine) const \
#define MCFG_DEVICE_CLOCK(_clock) \
device_config::static_set_clock(device, _clock); \
#define MCFG_DEVICE_INPUT_DEFAULTS(_config) \
device_config::static_set_input_default(device, DEVICE_INPUT_DEFAULTS_NAME(_config)); \
//**************************************************************************
@ -128,6 +130,7 @@ struct rom_entry;
class machine_config;
class emu_timer;
typedef union _input_port_token input_port_token;
typedef struct _input_device_default input_device_default;
// exception classes
@ -289,6 +292,7 @@ public:
const char *tag() const { return m_tag; }
const void *static_config() const { return m_static_config; }
const machine_config &mconfig() const { return m_machine_config; }
const input_device_default *input_ports_defaults() const { return m_input_defaults; }
// methods that wrap both interface-level and device-level behavior
void config_complete();
@ -297,6 +301,7 @@ public:
// configuration helpers
static void static_set_clock(device_config *device, UINT32 clock) { device->m_clock = clock; }
static void static_set_static_config(device_config *device, const void *config) { device->m_static_config = config; }
static void static_set_input_default(device_config *device, const input_device_default *config) { device->m_input_defaults = config; }
//------------------- begin derived class overrides
@ -327,6 +332,7 @@ protected:
const machine_config & m_machine_config; // reference to the machine's configuration
const void * m_static_config; // static device configuration
const input_device_default *m_input_defaults; // devices input ports default overrides
astring m_name; // name of the device
astring m_shortname; // short name of the device, used for potential romload

26
src/emu/inptport.c
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@ -2931,6 +2931,29 @@ static int frame_get_digital_field_state(const input_field_config *field, int mo
PORT CONFIGURATION HELPERS
***************************************************************************/
/*-------------------------------------------------
port_default_value - updates default value
of port settings according to device settings
-------------------------------------------------*/
static UINT32 port_default_value(const char *fulltag, UINT32 mask, UINT32 defval, device_config *owner)
{
astring tempstring;
const input_device_default *def = NULL;
if (owner!=NULL) {
def = owner->input_ports_defaults();
if (def!=NULL) {
while (def->tag!=NULL) {
if ((strcmp(fulltag,owner->subtag(tempstring,def->tag))==0) && (def->mask == mask)) {
return def->defvalue;
}
def++;
}
}
}
return defval;
}
/*-------------------------------------------------
port_config_detokenize - recursively
detokenize a series of input port tokens
@ -3410,6 +3433,7 @@ static void port_config_detokenize(ioport_list &portlist, const input_port_token
TOKEN_GET_UINT64_UNPACK2(ipt, mask, 32, defval, 32);
if (curfield != NULL)
field_config_insert(curfield, &maskbits, errorbuf, errorbuflen);
defval = port_default_value(fulltag,mask,defval,owner);
curfield = field_config_alloc(curport, IPT_DIPSWITCH, defval, mask);
cursetting = NULL;
curfield->name = input_port_string_from_token(*ipt++);
@ -3488,6 +3512,7 @@ static void port_config_detokenize(ioport_list &portlist, const input_port_token
TOKEN_GET_UINT64_UNPACK2(ipt, mask, 32, defval, 32);
if (curfield != NULL)
field_config_insert(curfield, &maskbits, errorbuf, errorbuflen);
defval = port_default_value(fulltag,mask,defval,owner);
curfield = field_config_alloc(curport, IPT_CONFIG, defval, mask);
cursetting = NULL;
curfield->name = input_port_string_from_token(*ipt++);
@ -3519,6 +3544,7 @@ static void port_config_detokenize(ioport_list &portlist, const input_port_token
TOKEN_GET_UINT64_UNPACK2(ipt, mask, 32, defval, 32);
if (curfield != NULL)
field_config_insert(curfield, &maskbits, errorbuf, errorbuflen);
defval = port_default_value(fulltag,mask,defval,owner);
curfield = field_config_alloc(curport, IPT_CATEGORY, defval, mask);
cursetting = NULL;
curfield->name = input_port_string_from_token(*ipt++);

23
src/emu/inptport.h
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@ -723,7 +723,14 @@ struct _input_field_user_settings
UINT8 reverse; /* for analog controls */
};
/* device defined default input settings */
typedef struct _input_device_default input_device_default;
struct _input_device_default
{
const char * tag; /* tag of port to update */
input_port_value mask; /* mask to apply to the port */
input_port_value defvalue; /* new default value */
};
/* a single input port configuration */
class input_port_config
{
@ -1024,6 +1031,20 @@ struct _inp_header
TOKEN_STRING(_name),
/* name of table */
#define DEVICE_INPUT_DEFAULTS_NAME(_name) device_iptdef_##_name
/* start of table */
#define DEVICE_INPUT_DEFAULTS_START(_name) \
const input_device_default DEVICE_INPUT_DEFAULTS_NAME(_name)[] = {
/* end of table */
#define DEVICE_INPUT_DEFAULTS(_tag,_mask,_defval) \
{ _tag ,_mask, _defval }, \
/* end of table */
#define DEVICE_INPUT_DEFAULTS_END \
{NULL,0,0} };
/***************************************************************************
HELPER MACROS