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author | Ruediger Hanke | 2002-12-25 12:36:29 +0000 |
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committer | Ruediger Hanke | 2002-12-25 12:36:29 +0000 |
commit | 9e0e918397a6772ae6ab5e9220a797750657973e (patch) | |
tree | 8e9b3279eeeee955d3ef91e7305eddefa4c9a4bf /backends | |
parent | 4a405b497a99a0608d14c071505440cb3adca90a (diff) | |
download | scummvm-rg350-9e0e918397a6772ae6ab5e9220a797750657973e.tar.gz scummvm-rg350-9e0e918397a6772ae6ab5e9220a797750657973e.tar.bz2 scummvm-rg350-9e0e918397a6772ae6ab5e9220a797750657973e.zip |
Fix midi driver thread for MorphOS
svn-id: r6123
Diffstat (limited to 'backends')
-rw-r--r-- | backends/midi/morphos.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/backends/midi/morphos.cpp b/backends/midi/morphos.cpp index 6fba4a76bf..b0d200574e 100644 --- a/backends/midi/morphos.cpp +++ b/backends/midi/morphos.cpp @@ -26,11 +26,13 @@ #include <clib/alib_protos.h> #include <proto/exec.h> +#include <proto/dos.h> #include <proto/etude.h> #include "stdafx.h" #include "sound/mpu401.h" #include "common/engine.h" // For warning/error/debug +#include "morphos.h" #include "morphos_sound.h" /* @@ -90,4 +92,44 @@ MidiDriver *MidiDriver_ETUDE_create() return EtudeMidiDriver; } +int MidiDriver_MPU401::midi_driver_thread(void *param) +{ + MidiDriver_MPU401 *mid = (MidiDriver_MPU401 *)param; + int old_time, cur_time; + MsgPort *music_timer_port = NULL; + timerequest *music_timer_request = NULL; + + ObtainSemaphore(&ScummMusicThreadRunning); + + if (!OSystem_MorphOS::OpenATimer(&music_timer_port, (IORequest **) &music_timer_request, UNIT_MICROHZ, false)) { + warning("Could not open a timer - music will not play"); + Wait(SIGBREAKF_CTRL_C); + } + else { + old_time = g_system->get_msecs(); + + for (;;) { + music_timer_request->tr_node.io_Command = TR_ADDREQUEST; + music_timer_request->tr_time.tv_secs = 0; + music_timer_request->tr_time.tv_micro = 10000; + DoIO((struct IORequest *)music_timer_request); + + if (CheckSignal(SIGBREAKF_CTRL_C)) + break; + + cur_time = g_system->get_msecs(); + while (old_time < cur_time) { + old_time += 10; + if (mid->_timer_proc) + (*(mid->_timer_proc)) (mid->_timer_param); + } + } + } + + ReleaseSemaphore(&ScummMusicThreadRunning); + RemTask(NULL); + return 0; +} + #endif + |