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author | Nebuleon Fumika | 2013-02-03 04:19:11 -0500 |
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committer | Nebuleon Fumika | 2013-02-03 04:19:11 -0500 |
commit | 8693ae1bd880a758eb2efec4fccd32f89593855d (patch) | |
tree | 660b7ceed1789fc904332b96a2a4006b0e4cc6b8 /sdk-modifications/libsrc/key/key.c | |
parent | 02f8184fe07d99cceb85f4abd3ef0e5e3765b5ea (diff) | |
download | snes9x2005-8693ae1bd880a758eb2efec4fccd32f89593855d.tar.gz snes9x2005-8693ae1bd880a758eb2efec4fccd32f89593855d.tar.bz2 snes9x2005-8693ae1bd880a758eb2efec4fccd32f89593855d.zip |
Add SDK modifications by BassAceGold as of 2011-04-14, as well as modified DMA functions as of 2013-01-29.
Diffstat (limited to 'sdk-modifications/libsrc/key/key.c')
-rw-r--r-- | sdk-modifications/libsrc/key/key.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/sdk-modifications/libsrc/key/key.c b/sdk-modifications/libsrc/key/key.c new file mode 100644 index 0000000..8a6ad5f --- /dev/null +++ b/sdk-modifications/libsrc/key/key.c @@ -0,0 +1,145 @@ +#include "ds2_timer.h" +#include "ds2io.h" + +#define KEY_REPEAT_TIME 200 //5 times/second +#define KEY_REPEAT_TIME_N (KEY_REPEAT_TIME*1000000/SYSTIME_UNIT) + +#define INPUT_REPEAT_TIME 100 +#define INPUT_REPEAT_TIME_N (INPUT_REPEAT_TIME*1000000/SYSTIME_UNIT) + +static unsigned int _last_key = 0; +static unsigned int _last_key_timestamp = 0; + +/* +* Function: only detect the key pressed or not +*/ +unsigned int getKey(void) +{ + struct key_buf input; + unsigned int new_key, hold_key, ret_key, timestamp; + int flag; + + ds2_getrawInput(&input); + timestamp = getSysTime(); + flag = ((timestamp - _last_key_timestamp) >= KEY_REPEAT_TIME_N) ? 1 : 0; + + input.key &= 0x3FFF; + new_key = (_last_key ^ input.key) & input.key; + hold_key = _last_key & input.key; + + ret_key = 0; + if(hold_key) { + if(flag) + { + ret_key = hold_key; + _last_key_timestamp = timestamp; + } + } + + if(new_key) + { + ret_key |= new_key; + _last_key_timestamp = timestamp; + + _last_key = input.key; + } + + return ret_key; +} + +/* +* Function: can get the detail information about key pressed, hold, or release +*/ +unsigned int getKey1(void) +{ + struct key_buf input; + unsigned int new_key, hold_key, ret_key, timestamp; + int flag; + + ds2_getrawInput(&input); + timestamp = getSysTime(); + flag = ((timestamp - _last_key_timestamp) >= KEY_REPEAT_TIME_N) ? 1 : 0; + + input.key &= 0x3FFF; + new_key = _last_key ^ input.key; + hold_key = _last_key & input.key; + //ret_key[31:16] = last key; + //ret_key[15:0] = new key; + + ret_key = 0; + if(hold_key) { + if(flag) + { + ret_key = (hold_key << 16) | hold_key; + _last_key_timestamp = timestamp; + } + } + + if(new_key) + { + unsigned int tmp_key; + + //have new key pressed + if(new_key & input.key) + { + ret_key |= new_key & input.key; + _last_key_timestamp = timestamp; + } + else + { + ret_key |= (new_key & ~input.key) << 16; + } + + _last_key = input.key; + } + + return ret_key; +} + +static unsigned int _last_input = 0; +static unsigned int _last_input_timestamp = 0; + +/* +* Function: only detect the key pressed or not and touch position +*/ +unsigned int getInput(struct key_buf *input) { + struct key_buf rawin; + unsigned int timestamp, new, hold; + int flag, ret; + + ds2_getrawInput(&rawin); + timestamp = getSysTime(); + flag = ((timestamp - _last_input_timestamp) >= INPUT_REPEAT_TIME_N) ? 1 : 0; + + rawin.key &= 0x3FFF; + new = (rawin.key ^ _last_input) & rawin.key; + hold = rawin.key & _last_input; + + ret = 0; + if(hold && flag) + { + ret = hold; + input->x = rawin.x; + input->y = rawin.y; + + _last_input_timestamp = timestamp; + } + + if(new) + { + ret |= new; + input->x = rawin.x; + input->y = rawin.y; + + _last_input_timestamp = timestamp; + _last_input = rawin.key; + } + + input->key = ret; + return ret > 0; +} + + + + + |