5 files changed, 21 insertions, 0 deletions
diff --git a/plugins/ao/eng_dsf/aica.c b/plugins/ao/eng_dsf/aica.c
index 1878f45b..09855a04 100644
--- a/plugins/ao/eng_dsf/aica.c
+++ b/plugins/ao/eng_dsf/aica.c
@@ -1227,6 +1227,12 @@ void *aica_start(const void *config)
 
 void aica_stop(struct _AICA *AICA)
 {
+    if (AICA->buffertmpl) {
+        free (AICA->buffertmpl);
+    }
+    if (AICA->buffertmpr) {
+        free (AICA->buffertmpr);
+    }
 	free(AICA);
 }
 
diff --git a/plugins/ao/eng_dsf/aica.h b/plugins/ao/eng_dsf/aica.h
index 5a1b52ca..f441064f 100644
--- a/plugins/ao/eng_dsf/aica.h
+++ b/plugins/ao/eng_dsf/aica.h
@@ -46,6 +46,7 @@ WRITE16_HANDLER( AICA_MidiIn );
 READ16_HANDLER( AICA_MidiOutR );
 
 void *aica_start(const void *config);
+void aica_stop(struct _AICA *AICA);
 void AICA_Update(struct _AICA *AICA, void *param, INT16 **inputs, INT16 **buf, int samples);
 
 #endif
diff --git a/plugins/ao/eng_dsf/dc_hw.c b/plugins/ao/eng_dsf/dc_hw.c
index 6c810b37..769e128a 100644
--- a/plugins/ao/eng_dsf/dc_hw.c
+++ b/plugins/ao/eng_dsf/dc_hw.c
@@ -176,3 +176,7 @@ static struct AICAinterface aica_interface =
 	cpu->AICA = aica_start(&cpu->aica_interface);
 }
 
+void dc_hw_free (struct sARM7 *cpu) {
+    aica_stop (cpu->AICA);
+    cpu->AICA =  NULL;
+}
diff --git a/plugins/ao/eng_dsf/dc_hw.h b/plugins/ao/eng_dsf/dc_hw.h
index 3b467f25..33345efe 100644
--- a/plugins/ao/eng_dsf/dc_hw.h
+++ b/plugins/ao/eng_dsf/dc_hw.h
@@ -4,6 +4,7 @@
 #include "arm7i.h"
 
 void dc_hw_init(struct sARM7 *cpu);
+void dc_hw_free (struct sARM7 *cpu);
 void dc_write8(struct sARM7 *cpu, int addr, uint8 data);
 void dc_write16(struct sARM7 *cpu, int addr, uint16 data);
 void dc_write32(struct sARM7 *cpu, int addr, uint32 data);
diff --git a/plugins/ao/eng_dsf/eng_dsf.c b/plugins/ao/eng_dsf/eng_dsf.c
index 18109ba0..b58b6ed4 100644
--- a/plugins/ao/eng_dsf/eng_dsf.c
+++ b/plugins/ao/eng_dsf/eng_dsf.c
@@ -35,6 +35,7 @@ typedef struct {
     char 		psfby[256];
     uint32		decaybegin, decayend, total_samples;
     struct sARM7 *cpu;
+    uint8 init_dc_ram[8*1024*1024];
 } dsf_synth_t;
 
 void *dsf_start(const char *path, uint8 *buffer, uint32 length)
@@ -138,6 +139,8 @@ void *dsf_start(const char *path, uint8 *buffer, uint32 length)
 	}
 	#endif
 
+
+    memcpy (s->init_dc_ram, s->cpu->dc_ram, sizeof (s->init_dc_ram));
 	#if DK_CORE
 	ARM7_Init(s->cpu);
 	#else
@@ -236,9 +239,15 @@ int32 dsf_stop(void *handle)
 
 int32 dsf_command(void *handle, int32 command, int32 parameter)
 {
+    dsf_synth_t *s = handle;
 	switch (command)
 	{
 		case COMMAND_RESTART:
+            dc_hw_free (s->cpu);
+            memcpy (s->cpu->dc_ram, s->init_dc_ram, sizeof (s->init_dc_ram));
+            ARM7_Init(s->cpu);
+            dc_hw_init (s->cpu);
+            s->total_samples = 0;
 			return AO_SUCCESS;
 		
 	}