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New thread emu

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svn-id: r8837
This commit is contained in:
Chris Apers 2003-07-07 08:53:05 +00:00
parent 7d03378fdc
commit aba8284008
1 changed files with 20 additions and 33 deletions
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53
backends/midi/ypa1.cpp
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@ -29,15 +29,15 @@ int MidiDriver_YamahaPa1::open() {
}
void MidiDriver_YamahaPa1::close() {
MidiDriver_MPU401::close();
if (_isOpen) {
_isOpen = false;
MidiDriver_MPU401::close();
for (UInt8 channel = 0; channel < 16; channel++) {
Pa1Lib_midiControlChange(_midiHandle, channel, 120,0); // all sound off
Pa1Lib_midiControlChange(_midiHandle, channel, 121,0); // reset all controller
Pa1Lib_midiControlChange(_midiHandle, channel, 123, 0); // all notes off
}
Pa1Lib_midiClose(_midiHandle);
_isOpen = false;
}
}
@ -55,7 +55,7 @@ void MidiDriver_YamahaPa1::send(uint32 b) {
chanID = (midiCmd[0] & 0x0F) ;
mdCmd = midiCmd[0] & 0xF0;
switch (mdCmd) {
case 0x80: // note off
Pa1Lib_midiNoteOff(_midiHandle, chanID, midiCmd[1], 0);
@ -85,43 +85,30 @@ MidiDriver *MidiDriver_YamahaPa1_create() {
//////////////////////////////////////////
// thread emu
static struct {
bool active;
int old_time;
int sleep;
} g_thread;
static bool t_first_call = false;
#include "palm.h"
int MidiDriver_MPU401::midi_driver_thread(void *param) {
MidiDriver_MPU401 *mid = (MidiDriver_MPU401 *)param;
int cur_time;
if (mid->_started_thread) {
UInt8 id = ((OSystem_PALMOS *)g_system)->_threadID;
ThreadEmuPtr thread = &(((OSystem_PALMOS *)g_system)->_thread[id]);
if (!t_first_call)
{
g_thread.active = false;
g_thread.old_time = g_system->get_msecs();
g_thread.sleep = 10;
t_first_call = true;
}
cur_time = g_system->get_msecs();
if (cur_time - g_thread.old_time >= g_thread.sleep)
g_thread.active = true;
if (g_thread.active)
{
// wait 10 msecs
cur_time = g_system->get_msecs();
while (g_thread.old_time < cur_time) {
g_thread.old_time += 10;
// Don't use mid->_se_on_timer()
// We must come in through IMuseMonitor to protect
// against conflicts with script access to IMuse.
if (mid->_timer_proc)
(*(mid->_timer_proc)) (mid->_timer_param);
if (cur_time - thread->old_time >= 10)
thread->sleep = false;
// if 10 msecs
if (!thread->sleep) {
thread->sleep = true;
while (thread->old_time < cur_time) {
thread->old_time += 10;
if (mid->_timer_proc)
(*(mid->_timer_proc)) (mid->_timer_param);
}
}
g_thread.active = false;
}
return 0;