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Added new function input_poll_keyboard_switches to poll for only key events.

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Expanded the size of the maximum simultaneously pressed switches.
Should fix editableui0120u4red and cheat0118red.
This commit is contained in:
Aaron Giles 2008-01-04 17:51:33 +00:00
parent a814dc9ec5
commit ba9782dcec
3 changed files with 45 additions and 4 deletions
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6
src/emu/cheat.c
View File

@ -964,14 +964,14 @@ static int ReadKeyAsync(int flush)
if(flush) // check key input if(flush) // check key input
{ {
while(input_code_poll_switches(TRUE) != INPUT_CODE_INVALID) ; while(input_code_poll_keyboard_switches(TRUE) != INPUT_CODE_INVALID) ;
return 0; return 0;
} }
while(1) // check pressed key while(1) // check pressed key
{ {
code = input_code_poll_switches(FALSE); code = input_code_poll_keyboard_switches(FALSE);
if(code == INPUT_CODE_INVALID) if(code == INPUT_CODE_INVALID)
{ {
@ -4470,7 +4470,7 @@ static int EditCheatMenu(CheatEntry * entry, int index, int selection)
} }
else else
{ {
int code = input_code_poll_switches(FALSE); int code = input_code_poll_keyboard_switches(FALSE);
if(code == KEYCODE_ESC) if(code == KEYCODE_ESC)
{ {

40
src/emu/input.c
View File

@ -39,7 +39,7 @@
#define JOYSTICK_MAP_STICKY 0x0f #define JOYSTICK_MAP_STICKY 0x0f
/* the largest number of tracked pressed switches for memory */ /* the largest number of tracked pressed switches for memory */
#define MAX_PRESSED_SWITCHES 16 #define MAX_PRESSED_SWITCHES 64
/* invalid memory value for axis polling */ /* invalid memory value for axis polling */
#define INVALID_AXIS_VALUE 0x7fffffff #define INVALID_AXIS_VALUE 0x7fffffff
@ -955,6 +955,44 @@ input_code input_code_poll_switches(int reset)
} }
/*-------------------------------------------------
input_code_poll_keyboard_switches - poll for
any keyboard-specific input
-------------------------------------------------*/
input_code input_code_poll_keyboard_switches(int reset)
{
input_device_list *devlist = &device_list[DEVICE_CLASS_KEYBOARD];
int devnum;
/* if resetting memory, do it now */
if (reset)
code_pressed_memory_reset();
/* iterate over devices within each class */
for (devnum = 0; devnum < devlist->count; devnum++)
{
input_device *device = &devlist->list[devnum];
input_item_id itemid;
/* iterate over items within each device */
for (itemid = ITEM_ID_INVALID + 1; itemid <= device->maxitem; itemid++)
{
input_device_item *item = device->item[itemid];
if (item != NULL && item->itemclass == ITEM_CLASS_SWITCH)
{
input_code code = device_item_to_code(device, itemid);
if (input_code_pressed_once(code))
return code;
}
}
}
/* if nothing, return an invalid code */
return INPUT_CODE_INVALID;
}
/*------------------------------------------------- /*-------------------------------------------------
input_code_poll_axes - poll for any input input_code_poll_axes - poll for any input
-------------------------------------------------*/ -------------------------------------------------*/

3
src/emu/input.h
View File

@ -535,6 +535,9 @@ INT32 input_code_pressed_once(input_code code);
/* poll for any switch input, optionally resetting internal memory */ /* poll for any switch input, optionally resetting internal memory */
input_code input_code_poll_switches(int reset); input_code input_code_poll_switches(int reset);
/* poll for any keyboard switch input, optionally resetting internal memory */
input_code input_code_poll_keyboard_switches(int reset);
/* poll for any axis input, optionally resetting internal memory */ /* poll for any axis input, optionally resetting internal memory */
input_code input_code_poll_axes(int reset); input_code input_code_poll_axes(int reset);