m_Do_Reset: OK (#35)

* m_Do_Reset: split and (some) decomp

decompiles:
- my_OSCancelAlarmAll()
- destroyVideo()

* mDoRst::reset(): decompile, plus some supporting code

* split DVD* functions to dvd.h

* mDoRst::resetCallBack(): decompile

src/m_Do/m_Do_Reset.cpp

@@ -1 +1,110 @@
-// ok
+#include "m_Do/m_Do_reset/m_Do_reset.h"
+#include "dvd/dvd.h"
+#include "JSystem/JUtility/JUTXfb/JUTXfb.h"
+#include "global.h"
+
+extern "C" {
+void my_OSCancelAlarmAll(void) {
+    return;
+}
+
+void destroyVideo() {
+    JUTVideo_NS_destroyManager();
+    GXSetDrawDoneCallback(NULL);
+    VISetBlack(1);
+    VIFlush();
+    VIWaitForRetrace();
+    return;
+}
+}
+
+// TODO: cleanup
+void mDoRst::reset(s32 p1, u32 p2, s32 p3) {
+    mDoCPd_c *pmVar1;
+    u32 uVar2;
+    DVDState DVar3;
+    OSThread *thread;
+    s32 enable;
+    /* sManager */ lbl_80451550->clearIndex();
+    mDoDvdErr_ThdCleanup();
+    cAPICPad_recalibrate();
+    if (lbl_80450BB8 != 0) {
+        do {
+            // uVar2 = lbl_80451368->hasReset();
+            uVar2 = Z2AudioMgr_NS_hasReset(lbl_80451368);
+        } while ((uVar2 & 0xff) == 0);
+    }
+
+    if ((s32)DVDGetDriveStatus() == (s32)DVD_STATE_BUSY) {
+        OSAttention(lbl_80374198);
+    }
+    JASTaskThread *task_thread = JASDvd_NS_getThreadPointer();
+    if (task_thread != NULL) {
+        JASTaskThread_NS_pause(task_thread, true);
+        thread = task_thread->thread;
+        if (thread != NULL) {
+            OSSuspendThread(thread);
+            OSDetachThread(thread);
+            OSCancelThread(thread);
+        }
+    }
+
+    VIWaitForRetrace();
+    VIWaitForRetrace();
+
+    thread = GXGetCurrentGXThread();
+    enable = OSDisableInterrupts();
+    OSThread* ourThread = OSGetCurrentThread();
+    if (thread != ourThread) {
+        OSCancelThread(thread);
+        GXSetCurrentGXThread();
+    }
+    GXFlush();
+    GXAbortFrame();
+    GXDrawDone();
+
+    OSRestoreInterrupts(enable);
+    
+    destroyVideo();
+
+    // nb: probably fake match (i am not sure that it's actually attached to this label lol)
+    while (((s32*)lbl_803EAF40)[0x7f0] != 0) {
+        VIWaitForRetrace();
+    }
+
+    my_OSCancelAlarmAll();
+    LCDisable();
+    // probably false match; check out 80015728 or thereabouts in Ghidra
+    OSSetSaveRegion(/* mResetData */ m_Do_Reset_NS_mDoRst_NS_mResetData, (u8*)(&getResetData__6mDoRstFv) + 0x18);
+    OSResetSystem(p1, p2, p3);
+    do {
+        VIWaitForRetrace();
+    } while (true);
+}
+
+void mDoRst::resetCallBack(int p1, void* p2) {
+    if (/* mResetData */ m_Do_Reset_NS_mDoRst_NS_mResetData->field_0x0 == 0) {
+        if (p1 == -1) {
+            cAPICPad_recalibrate();
+        } else {
+            if (m_Do_Reset_NS_mDoRst_NS_mResetData->field_0x8 != 0) {
+                lbl_80451501 = false;
+                /* sCallback */ lbl_804514EC = &mDoRst::resetCallBack;
+                /* sCallbackArg */ lbl_804514F0 = 0;
+                return;
+            }
+            m_Do_Reset_NS_mDoRst_NS_mResetData->field_0x8 = 1;
+            m_Do_Reset_NS_mDoRst_NS_mResetData->pad_index = p1;
+            cAPICPad_recalibrate();
+        }
+
+        if ((DVDCheckDisk() == 0) && (DVDGetDriveStatus() != DVD_STATE_FATAL_ERROR)) {
+            m_Do_Reset_NS_mDoRst_NS_mResetData->field_0x11 = 1;
+        }
+        m_Do_Reset_NS_mDoRst_NS_mResetData->field_0x0 = 1;
+    }
+}
+
+ResetData* mDoRst::getResetData() {
+    return /* mResetData */ m_Do_Reset_NS_mDoRst_NS_mResetData;
+}

src/m_Do/m_Do_main.cpp

@@ -1,5 +1,7 @@
 #include "m_Do/m_Do_main/m_Do_main.h"
+#include "m_Do/m_Do_reset/m_Do_reset.h"
 #include "d/d_com/d_com_inf_game/d_com_inf_game.h"
+#include "dvd/dvd.h"
 #include "global.h"
 
 void version_check(void) {