diff --git a/builds/genesis_plus_gx_libretro.dll b/builds/genesis_plus_gx_libretro.dll
index e11d84e..26c19f5 100644
Binary files a/builds/genesis_plus_gx_libretro.dll and b/builds/genesis_plus_gx_libretro.dll differ
diff --git a/builds/genplus_cube.dol b/builds/genplus_cube.dol
index 9d3f5fc..af73aa7 100644
Binary files a/builds/genplus_cube.dol and b/builds/genplus_cube.dol differ
diff --git a/builds/genplus_wii.dol b/builds/genplus_wii.dol
index 24550d0..ce10f5f 100644
Binary files a/builds/genplus_wii.dol and b/builds/genplus_wii.dol differ
diff --git a/core/m68k/m68k.h b/core/m68k/m68k.h
index 078cbdf..7c84334 100644
--- a/core/m68k/m68k.h
+++ b/core/m68k/m68k.h
@@ -356,6 +356,10 @@ extern void s68k_pulse_reset(void);
 extern void m68k_run(unsigned int cycles);
 extern void s68k_run(unsigned int cycles);
 
+/* Get current instruction execution time */
+extern int m68k_cycles(void);
+extern int s68k_cycles(void);
+
 /* Set the IPL0-IPL2 pins on the CPU (IRQ).
  * A transition from < 7 to 7 will cause a non-maskable interrupt (NMI).
  * Setting IRQ to 0 will clear an interrupt request.
diff --git a/core/m68k/m68kcpu.c b/core/m68k/m68kcpu.c
index 4c81a9e..e7d762e 100644
--- a/core/m68k/m68kcpu.c
+++ b/core/m68k/m68kcpu.c
@@ -280,7 +280,7 @@ void m68k_run(unsigned int cycles)
 #ifdef LOGVDP
   error("[%d][%d] m68k run to %d cycles (%x), irq mask = %x (%x)\n", v_counter, m68k.cycles, cycles, m68k.pc,FLAG_INT_MASK, CPU_INT_LEVEL);
 #endif
-   
+
   while (m68k.cycles < cycles)
   {
     /* Set tracing accodring to T1. */
@@ -291,7 +291,7 @@ void m68k_run(unsigned int cycles)
 
     /* Decode next instruction */
     REG_IR = m68ki_read_imm_16();
-	
+
     /* Execute instruction */
     m68ki_instruction_jump_table[REG_IR]();
     USE_CYCLES(CYC_INSTRUCTION[REG_IR]);
@@ -301,6 +301,11 @@ void m68k_run(unsigned int cycles)
   }
 }
 
+int m68k_cycles(void)
+{
+  return CYC_INSTRUCTION[REG_IR];
+}
+
 void m68k_init(void)
 {
 #ifdef BUILD_TABLES
diff --git a/core/m68k/s68kcpu.c b/core/m68k/s68kcpu.c
index 0df6054..7de4652 100644
--- a/core/m68k/s68kcpu.c
+++ b/core/m68k/s68kcpu.c
@@ -265,6 +265,12 @@ void s68k_run(unsigned int cycles)
   }
 }
 
+
+int s68k_cycles(void)
+{
+  return CYC_INSTRUCTION[REG_IR];
+}
+
 void s68k_init(void)
 {
 #ifdef BUILD_TABLES
diff --git a/core/vdp_ctrl.c b/core/vdp_ctrl.c
index d0b7857..8143026 100644
--- a/core/vdp_ctrl.c
+++ b/core/vdp_ctrl.c
@@ -1151,8 +1151,8 @@ unsigned int vdp_68k_ctrl_r(unsigned int cycles)
 {
   unsigned int temp;
 
-  /* Cycle-accurate VDP status read (68k read cycle takes four CPU cycles i.e 28 Mcycles) */
-  cycles += 4 * 7;
+  /* Cycle-accurate VDP status read (adjust CPU time with current instruction execution time) */
+  cycles += m68k_cycles();
 
   /* Update FIFO status flags if not empty */
   if (fifo_write_cnt)
@@ -1186,7 +1186,7 @@ unsigned int vdp_68k_ctrl_r(unsigned int cycles)
     temp |= 0x08;
   }
 
-  /* Cycle-accurate VINT flag (Ex-Mutants, Tyrant / Mega-Lo-Mania) */
+  /* Cycle-accurate VINT flag (Ex-Mutants, Tyrant / Mega-Lo-Mania, Marvel Land) */
   /* this allows VINT flag to be read just before vertical interrupt is being triggered */
   if ((v_counter == bitmap.viewport.h) && (cycles >= (mcycles_vdp + 788)))
   {