diff --git a/include/d/com/d_com_inf_game.h b/include/d/com/d_com_inf_game.h
index 5905e1f4be2..82e13fd1230 100644
--- a/include/d/com/d_com_inf_game.h
+++ b/include/d/com/d_com_inf_game.h
@@ -2548,6 +2548,10 @@ inline void dComIfGp_particle_removeScene(bool param_0) {
     g_dComIfG_gameInfo.play.getParticle()->removeScene(param_0);
 }
 
+inline int dComIfG_getTimerNowTimeMs() {
+    return g_dComIfG_gameInfo.play.getTimerNowTimeMs();
+}
+
 inline u32 dComIfGp_particle_set(u32 param_0, u16 param_1, const cXyz* param_2,
                                  const dKy_tevstr_c* param_3, const csXyz* param_4,
                                  const cXyz* param_5, u8 param_6, dPa_levelEcallBack* param_7,
diff --git a/src/d/d_timer.cpp b/src/d/d_timer.cpp
index a7b378b2e26..618c6b0b987 100644
--- a/src/d/d_timer.cpp
+++ b/src/d/d_timer.cpp
@@ -278,10 +278,21 @@ asm void dTimer_c::start(int param_0, s16 param_1) {
 
 /* 8025D708-8025D7C0 258048 00B8+00 1/1 0/0 0/0 .text            stock_start__8dTimer_cFv */
 #ifdef NONMATCHING
-int dTimer_c::stock_start() {
-    if (mDeleteCheck == 0) {
-        field_0x168 = param_1
+bool dTimer_c::stock_start() {
+    if (mDeleteCheck == 5) {
+        mDeleteCheck = 4;
+        OSTime current_time = dLib_time_c::getTime();
+        mTime1 = current_time;
+        mTime2 = current_time;
+        
+        int timer_ms = dComIfG_getTimerNowTimeMs();
+        OSTime time1 = mTime1;
+        u32 timer_clock_ms = OS_TIMER_CLOCK / 1000;
+
+        mTime1 = time1 - timer_clock_ms * timer_ms;
+
     }
+    return mDeleteCheck == 5;
 }
 #else
 #pragma push
@@ -295,7 +306,6 @@ asm bool dTimer_c::stock_start() {
 #endif
 
 /* 8025D7C0-8025D7E8 258100 0028+00 1/1 0/0 0/0 .text            stock_start__8dTimer_cFs */
-#ifndef NONMATCHING
 int dTimer_c::stock_start(s16 param_0) {
     if (mDeleteCheck == 0) {
         field_0x168 = param_0;
@@ -304,16 +314,6 @@ int dTimer_c::stock_start(s16 param_0) {
     }
     return 0;
 }
-#else
-#pragma push
-#pragma optimization_level 0
-#pragma optimizewithasm off
-asm void dTimer_c::stock_start(s16 param_0) {
-    nofralloc
-#include "asm/d/d_timer/stock_start__8dTimer_cFs.s"
-}
-#pragma pop
-#endif
 
 /* 8025D7E8-8025D86C 258128 0084+00 3/3 1/1 0/0 .text            stop__8dTimer_cFUc */
 #pragma push