diff --git a/core/hw/aica/aica_if.cpp b/core/hw/aica/aica_if.cpp
index a3306146d..39dd69ecc 100644
--- a/core/hw/aica/aica_if.cpp
+++ b/core/hw/aica/aica_if.cpp
@@ -9,6 +9,7 @@
 #include "hw/holly/sb.h"
 #include "types.h"
 #include "hw/holly/holly_intc.h"
+#include "hw/sh4/sh4_sched.h"
 
 #include <time.h>
 
@@ -16,6 +17,8 @@ VArray2 aica_ram;
 u32 VREG;//video reg =P
 u32 ARMRST;//arm reset reg
 u32 rtc_EN=0;
+int dma_sched_id;
+
 u32 GetRTC_now()
 {
 	
@@ -178,6 +181,28 @@ void aica_Term()
 
 }
 
+int dma_end_sched(int tag, int cycl, int jitt)
+{
+	u32 len=SB_ADLEN & 0x7FFFFFFF;
+
+	if (SB_ADLEN & 0x80000000)
+		SB_ADEN=1;//
+	else
+		SB_ADEN=0;//
+
+	SB_ADSTAR+=len;
+	SB_ADSTAG+=len;
+	SB_ADST = 0x00000000;//dma done
+	SB_ADLEN = 0x00000000;
+
+	// indicate that dma is not happening, or has been paused
+	SB_ADSUSP |= 0x10;
+
+	asic_RaiseInterrupt(holly_SPU_DMA);
+
+	return 0;
+}
+
 void Write_SB_ADST(u32 addr, u32 data)
 {
 	//0x005F7800	SB_ADSTAG	RW	AICA:G2-DMA G2 start address 
@@ -214,18 +239,24 @@ void Write_SB_ADST(u32 addr, u32 data)
 				WriteMem32_nommu(dst+i,data);
 			}
 			*/
-			if (SB_ADLEN & 0x80000000)
-				SB_ADEN=1;//
+
+			// idicate that dma is in progress
+			SB_ADSUSP &= ~0x10;
+
+			if (!settings.aica.OldSyncronousDma)
+			{
+
+				// Schedule the end of DMA transfer interrupt
+				int cycles = len * (SH4_MAIN_CLOCK / 2 / 25000000);       // 16 bits @ 25 MHz
+				if (cycles < 4096)
+					dma_end_sched(0, 0, 0);
+				else
+					sh4_sched_request(dma_sched_id, cycles);
+			}
 			else
-				SB_ADEN=0;//
-
-			SB_ADSTAR+=len;
-			SB_ADSTAG+=len;
-			SB_ADST = 0x00000000;//dma done
-			SB_ADLEN = 0x00000000;
-
-			
-			asic_RaiseInterrupt(holly_SPU_DMA);
+			{
+				dma_end_sched(0, 0, 0);
+			}
 		}
 	}
 }
@@ -299,6 +330,7 @@ void aica_sb_Init()
 
 	//sb_regs[((SB_E1ST_addr-SB_BASE)>>2)].flags=REG_32BIT_READWRITE | REG_READ_DATA;
 	//sb_regs[((SB_E1ST_addr-SB_BASE)>>2)].writeFunction=Write_SB_E1ST;
+	dma_sched_id = sh4_sched_register(0, &dma_end_sched);
 }
 
 void aica_sb_Reset(bool Manual)
@@ -307,4 +339,4 @@ void aica_sb_Reset(bool Manual)
 
 void aica_sb_Term()
 {
-}
\ No newline at end of file
+}
diff --git a/core/nullDC.cpp b/core/nullDC.cpp
index 5a7fcb869..1d9d44370 100755
--- a/core/nullDC.cpp
+++ b/core/nullDC.cpp
@@ -297,6 +297,7 @@ void LoadSettings()
 	settings.aica.LimitFPS			= cfgLoadInt("config", "aica.LimitFPS", 1);
 	settings.aica.NoBatch			= cfgLoadInt("config", "aica.NoBatch", 0);
 	settings.aica.NoSound			= cfgLoadInt("config", "aica.NoSound", 0);
+	settings.aica.OldSyncronousDma	= cfgLoadBool("config", "aica.OldSyncronousDma", false);
 	settings.rend.UseMipmaps		= cfgLoadInt("config", "rend.UseMipmaps", 1);
 	settings.rend.WideScreen		= cfgLoadInt("config", "rend.WideScreen", 0);
 	settings.rend.Clipping			= cfgLoadInt("config", "rend.Clipping", 1);
diff --git a/core/types.h b/core/types.h
index dadb01cab..a9b705553 100644
--- a/core/types.h
+++ b/core/types.h
@@ -654,6 +654,7 @@ struct settings_t
 		u32 DSPEnabled;		//0 -> no, 1 -> yes
 		u32 NoBatch;
 		u32 NoSound;        //0 ->sound, 1 -> no sound
+		bool OldSyncronousDma;		// 0 -> sync dma (old behavior), 1 -> async dma (fixes some games, partial implementation)
 	} aica;
 
 #if USE_OMX