spu: add a schedule callback

10 files changed, 35 insertions, 1 deletions

diff --git a/frontend/main.c b/frontend/main.c
index 1caec4b..acebaae 100644
--- a/frontend/main.c
+++ b/frontend/main.c
@@ -853,6 +853,7 @@ static int _OpenPlugins(void) {
 	ret = SPU_open();
 	if (ret < 0) { SysMessage(_("Error opening SPU plugin!")); return -1; }
 	SPU_registerCallback(SPUirq);
+	SPU_registerScheduleCb(SPUschedule);
 	// pcsx-rearmed: we handle gpu elsewhere
 	//ret = GPU_open(&gpuDisp, "PCSX", NULL);
 	//if (ret < 0) { SysMessage(_("Error opening GPU plugin!")); return -1; }
diff --git a/frontend/plugin.c b/frontend/plugin.c
index 7e8e5c3..1980ef5 100644
--- a/frontend/plugin.c
+++ b/frontend/plugin.c
@@ -32,7 +32,8 @@ extern unsigned short SPUreadDMA(void);
 extern void SPUwriteDMAMem(unsigned short *, int);
 extern void SPUreadDMAMem(unsigned short *, int);
 extern void SPUplayADPCMchannel(void *);
-extern void SPUregisterCallback(void (*callback)(void));
+extern void SPUregisterCallback(void (*cb)(void));
+extern void SPUregisterScheduleCb(void (*cb)(unsigned int));
 extern long SPUconfigure(void);
 extern long SPUtest(void);
 extern void SPUabout(void);
@@ -135,6 +136,7 @@ static const struct {
 	DIRECT_SPU(SPUplayADPCMchannel),
 	DIRECT_SPU(SPUfreeze),
 	DIRECT_SPU(SPUregisterCallback),
+	DIRECT_SPU(SPUregisterScheduleCb),
 	DIRECT_SPU(SPUasync),
 	DIRECT_SPU(SPUplayCDDAchannel),
 	/* PAD */
diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index cb95cb1..89e2bd6 100644
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -60,6 +60,7 @@ static irq_func * const irq_funcs[] = {
 	[PSXINT_CDRDMA] = cdrDmaInterrupt,
 	[PSXINT_CDRLID] = cdrLidSeekInterrupt,
 	[PSXINT_CDRPLAY] = cdrPlayInterrupt,
+	[PSXINT_SPU_UPDATE] = spuUpdate,
 	[PSXINT_RCNT] = psxRcntUpdate,
 };
 
diff --git a/libpcsxcore/plugins.c b/libpcsxcore/plugins.c
index 57078ba..e6d8a11 100644
--- a/libpcsxcore/plugins.c
+++ b/libpcsxcore/plugins.c
@@ -88,6 +88,7 @@ SPUreadDMAMem         SPU_readDMAMem;
 SPUplayADPCMchannel   SPU_playADPCMchannel;

 SPUfreeze             SPU_freeze;

 SPUregisterCallback   SPU_registerCallback;

+SPUregisterScheduleCb SPU_registerScheduleCb;

 SPUasync              SPU_async;

 SPUplayCDDAchannel    SPU_playCDDAchannel;

 

@@ -320,6 +321,7 @@ void *hSPUDriver = NULL;
 long CALLBACK SPU__configure(void) { return 0; }

 void CALLBACK SPU__about(void) {}

 long CALLBACK SPU__test(void) { return 0; }

+void CALLBACK SPU__registerScheduleCb(void (CALLBACK *cb)(unsigned int)) {}

 

 #define LoadSpuSym1(dest, name) \

 	LoadSym(SPU_##dest, SPU##dest, name, TRUE);

@@ -356,6 +358,7 @@ static int LoadSPUplugin(const char *SPUdll) {
 	LoadSpuSym1(playADPCMchannel, "SPUplayADPCMchannel");

 	LoadSpuSym1(freeze, "SPUfreeze");

 	LoadSpuSym1(registerCallback, "SPUregisterCallback");

+	LoadSpuSym0(registerScheduleCb, "SPUregisterScheduleCb");

 	LoadSpuSymN(async, "SPUasync");

 	LoadSpuSymN(playCDDAchannel, "SPUplayCDDAchannel");

 

diff --git a/libpcsxcore/plugins.h b/libpcsxcore/plugins.h
index dfa8722..9df55bf 100644
--- a/libpcsxcore/plugins.h
+++ b/libpcsxcore/plugins.h
@@ -192,6 +192,7 @@ typedef void (CALLBACK* SPUwriteDMAMem)(unsigned short *, int);
 typedef void (CALLBACK* SPUreadDMAMem)(unsigned short *, int);

 typedef void (CALLBACK* SPUplayADPCMchannel)(xa_decode_t *);

 typedef void (CALLBACK* SPUregisterCallback)(void (CALLBACK *callback)(void));

+typedef void (CALLBACK* SPUregisterScheduleCb)(void (CALLBACK *callback)(unsigned int cycles_after));

 typedef long (CALLBACK* SPUconfigure)(void);

 typedef long (CALLBACK* SPUtest)(void);

 typedef void (CALLBACK* SPUabout)(void);

@@ -226,6 +227,7 @@ extern SPUreadDMAMem       SPU_readDMAMem;
 extern SPUplayADPCMchannel SPU_playADPCMchannel;

 extern SPUfreeze           SPU_freeze;

 extern SPUregisterCallback SPU_registerCallback;

+extern SPUregisterScheduleCb SPU_registerScheduleCb;

 extern SPUasync            SPU_async;

 extern SPUplayCDDAchannel  SPU_playCDDAchannel;

 

diff --git a/libpcsxcore/r3000a.c b/libpcsxcore/r3000a.c
index f5996ac..82eb885 100644
--- a/libpcsxcore/r3000a.c
+++ b/libpcsxcore/r3000a.c
@@ -185,6 +185,12 @@ void psxBranchTest() {
 				cdrLidSeekInterrupt();
 			}
 		}
+		if (psxRegs.interrupt & (1 << PSXINT_SPU_UPDATE)) { // scheduled spu update
+			if ((psxRegs.cycle - psxRegs.intCycle[PSXINT_SPU_UPDATE].sCycle) >= psxRegs.intCycle[PSXINT_SPU_UPDATE].cycle) {
+				psxRegs.interrupt &= ~(1 << PSXINT_SPU_UPDATE);
+				spuUpdate();
+			}
+		}
 	}
 
 	if (psxHu32(0x1070) & psxHu32(0x1074)) {
diff --git a/libpcsxcore/r3000a.h b/libpcsxcore/r3000a.h
index 13aaa59..a6a6254 100644
--- a/libpcsxcore/r3000a.h
+++ b/libpcsxcore/r3000a.h
@@ -160,6 +160,7 @@ enum {
 	PSXINT_RCNT,
 	PSXINT_CDRLID,
 	PSXINT_CDRPLAY,
+	PSXINT_SPU_UPDATE,
 	PSXINT_COUNT
 };
 
diff --git a/libpcsxcore/spu.c b/libpcsxcore/spu.c
index a60c047..f23051e 100644
--- a/libpcsxcore/spu.c
+++ b/libpcsxcore/spu.c
@@ -26,3 +26,15 @@
 void CALLBACK SPUirq(void) {
 	psxHu32ref(0x1070) |= SWAPu32(0x200);
 }
+
+// spuUpdate
+void CALLBACK SPUschedule(unsigned int cycles_after) {
+	psxRegs.interrupt |= (1 << PSXINT_SPU_UPDATE);
+	psxRegs.intCycle[PSXINT_SPU_UPDATE].cycle = cycles_after;
+	psxRegs.intCycle[PSXINT_SPU_UPDATE].sCycle = psxRegs.cycle;
+	new_dyna_set_event(PSXINT_SPU_UPDATE, cycles_after);
+}
+
+void spuUpdate() {
+	SPU_async(psxRegs.cycle);
+}
diff --git a/libpcsxcore/spu.h b/libpcsxcore/spu.h
index 85010cb..44a35d5 100644
--- a/libpcsxcore/spu.h
+++ b/libpcsxcore/spu.h
@@ -40,6 +40,8 @@ extern "C" {
 #define H_SPUoff2        0x0d8e
 
 void CALLBACK SPUirq(void);
+void CALLBACK SPUschedule(unsigned int cycles_after);
+void spuUpdate();
 
 #ifdef __cplusplus
 }
diff --git a/plugins/dfsound/spu.c b/plugins/dfsound/spu.c
index 8f6ed13..7d3f1a0 100644
--- a/plugins/dfsound/spu.c
+++ b/plugins/dfsound/spu.c
@@ -1121,6 +1121,10 @@ void CALLBACK SPUregisterCDDAVolume(void (CALLBACK *CDDAVcallback)(unsigned shor
  cddavCallback = CDDAVcallback;
 }
 
+void CALLBACK SPUregisterScheduleCb(void (CALLBACK *callback)(unsigned int))
+{
+}
+
 // COMMON PLUGIN INFO FUNCS
 /*
 char * CALLBACK PSEgetLibName(void)