sys_slowly OK (#101)

* sys_slowly OK

* Feedback

* rename type member

1 files changed, 44 insertions, 0 deletions

diff --git a/src/code/sys_slowly.c b/src/code/sys_slowly.c
new file mode 100644
index 000000000..60baad68c
--- /dev/null
+++ b/src/code/sys_slowly.c
@@ -0,0 +1,44 @@
+#include <ultra64.h>
+#include <global.h>
+
+#define SLOWLY_STATUS_DONE    (1 << 0)
+#define SLOWLY_STATUS_STARTED (1 << 1)
+
+void Slowly_Main(SlowlyTask* slowly) {
+    slowly->status |= SLOWLY_STATUS_STARTED;
+
+    switch (slowly->callbackArgCount) {
+    case SLOWLY_CALLBACK_NO_ARGS:
+        slowly->callback0();
+        break;
+    case SLOWLY_CALLBACK_ONE_ARG:
+        slowly->callback1(slowly->callbackArg0);
+        break;
+    case SLOWLY_CALLBACK_TWO_ARGS:
+        slowly->callback2(slowly->callbackArg0, slowly->callbackArg1);
+        break;
+    }
+
+    slowly->status |= SLOWLY_STATUS_DONE;
+}
+
+void Slowly_ThreadEntry(SlowlyTask* slowly) {
+    Slowly_Main(slowly);
+}
+
+void Slowly_Start(SlowlyTask* slowly, void* stack, void (*callback)(), void* callbackArg0, void* callbackArg1) {
+    bzero(slowly, sizeof(SlowlyTask));
+
+    slowly->callbackArgCount = SLOWLY_CALLBACK_TWO_ARGS;
+    slowly->status = 0;
+    slowly->callback0 = callback;
+    slowly->callbackArg0 = callbackArg0;
+    slowly->callbackArg1 = callbackArg1;
+
+    osCreateThread(&slowly->thread, Z_THREAD_ID_SLOWLY, Slowly_ThreadEntry, slowly, stack, Z_PRIORITY_SLOWLY);
+    osStartThread(&slowly->thread);
+}
+
+void Slowly_Stop(SlowlyTask* slowly) {
+    osDestroyThread(&slowly->thread);
+}