make root counters use generic event scheduling code

simplifies event handling code a bit

4 files changed, 24 insertions, 18 deletions

diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index 68ad17e..38e6385 100644
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -530,6 +530,8 @@ int SaveState(const char *file) {
 
 	gzclose(f);
 
+	new_dyna_after_save();
+
 	return 0;
 }
 
diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index 3cd4f8e..852d881 100644
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -30,28 +30,19 @@ u32 event_cycles[PSXINT_COUNT];
 static void schedule_timeslice(void)
 {
 	u32 i, c = psxRegs.cycle;
+	u32 irqs = psxRegs.interrupt;
 	s32 min, dif;
 
-	min = psxNextsCounter + psxNextCounter - c;
-	for (i = 0; i < ARRAY_SIZE(event_cycles); i++) {
+	min = PSXCLK;
+	for (i = 0; irqs != 0; i++, irqs >>= 1) {
+		if (!(irqs & 1))
+			continue;
 		dif = event_cycles[i] - c;
 		//evprintf("  ev %d\n", dif);
 		if (0 < dif && dif < min)
 			min = dif;
 	}
 	next_interupt = c + min;
-
-#if 0
-	static u32 cnt, last_cycle;
-	static u64 sum;
-	if (last_cycle) {
-		cnt++;
-		sum += psxRegs.cycle - last_cycle;
-		if ((cnt & 0xff) == 0)
-			printf("%u\n", (u32)(sum / cnt));
-	}
-	last_cycle = psxRegs.cycle;
-#endif
 }
 
 typedef void (irq_func)();
@@ -68,6 +59,7 @@ static irq_func * const irq_funcs[] = {
 	[PSXINT_CDRDMA] = cdrDmaInterrupt,
 	[PSXINT_CDRLID] = cdrLidSeekInterrupt,
 	[PSXINT_CDRPLAY] = cdrPlayInterrupt,
+	[PSXINT_RCNT] = psxRcntUpdate,
 };
 
 /* local dupe of psxBranchTest, using event_cycles */
@@ -77,9 +69,6 @@ static void irq_test(void)
 	u32 cycle = psxRegs.cycle;
 	u32 irq, irq_bits;
 
-	if ((psxRegs.cycle - psxNextsCounter) >= psxNextCounter)
-		psxRcntUpdate();
-
 	// irq_funcs() may queue more irqs
 	psxRegs.interrupt = 0;
 
@@ -131,15 +120,26 @@ void pcsx_mtc0_ds(u32 reg, u32 val)
 
 void new_dyna_save(void)
 {
+	psxRegs.interrupt &= ~(1 << PSXINT_RCNT); // old savestate compat
+
 	// psxRegs.intCycle is always maintained, no need to convert
 }
 
+void new_dyna_after_save(void)
+{
+	psxRegs.interrupt |= 1 << PSXINT_RCNT;
+}
+
 void new_dyna_restore(void)
 {
 	int i;
 	for (i = 0; i < PSXINT_COUNT; i++)
 		event_cycles[i] = psxRegs.intCycle[i].sCycle + psxRegs.intCycle[i].cycle;
 
+	event_cycles[PSXINT_RCNT] = psxNextsCounter + psxNextCounter;
+	psxRegs.interrupt |=  1 << PSXINT_RCNT;
+	psxRegs.interrupt &= (1 << PSXINT_COUNT) - 1;
+
 	new_dyna_pcsx_mem_load_state();
 }
 
diff --git a/libpcsxcore/psxcounters.c b/libpcsxcore/psxcounters.c
index 6781c29..3f6e139 100644
--- a/libpcsxcore/psxcounters.c
+++ b/libpcsxcore/psxcounters.c
@@ -176,6 +176,9 @@ void psxRcntSet()
             psxNextCounter = countToUpdate;
         }
     }
+
+    psxRegs.interrupt |= (1 << PSXINT_RCNT);
+    new_dyna_set_event(PSXINT_RCNT, psxNextCounter);
 }
 
 /******************************************************************************/
diff --git a/libpcsxcore/r3000a.h b/libpcsxcore/r3000a.h
index aced381..76f42bc 100644
--- a/libpcsxcore/r3000a.h
+++ b/libpcsxcore/r3000a.h
@@ -157,7 +157,7 @@ enum {
 	PSXINT_GPUOTCDMA,
 	PSXINT_CDRDMA,
 	PSXINT_NEWDRC_CHECK,
-	DUMMY2,
+	PSXINT_RCNT,
 	PSXINT_CDRLID,
 	PSXINT_CDRPLAY,
 	PSXINT_COUNT
@@ -182,6 +182,7 @@ extern u32 event_cycles[PSXINT_COUNT];
 extern u32 next_interupt;
 
 void new_dyna_save(void);
+void new_dyna_after_save(void);
 void new_dyna_restore(void);
 
 #define new_dyna_set_event(e, c) { \