improve event handling again

[pcsx_rearmed.git] / libpcsxcore / new_dynarec / emu_if.c

diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index 3df83e4..dff7f21 100644 (file)
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -25,30 +25,47 @@ void MTC0_()
        pending_exception = 1; /* FIXME? */
 }
 
-void gen_interupt()
+static void schedule_timeslice(void)
 {
-       u32 c, min;
-       int i;
+       u32 i, c = psxRegs.cycle;
+       s32 min, dif;
+
+       min = psxNextsCounter + psxNextCounter - c;
+       for (i = 0; i < ARRAY_SIZE(event_cycles); i++) {
+               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
+}
 
-       evprintf("ari64_gen_interupt\n");
-       evprintf("  +ge %08x, %d->%d\n", psxRegs.pc, psxRegs.cycle, next_interupt);
+void gen_interupt()
+{
+       //evprintf("ari64_gen_interupt\n");
+       evprintf("  +ge %08x, %u->%u\n", psxRegs.pc, psxRegs.cycle, next_interupt);
 #ifdef DRC_DBG
        psxRegs.cycle += 2;
 #endif
 
        psxBranchTest();
 
-       min = psxNextsCounter + psxNextCounter;
-       for (i = 0; i < ARRAY_SIZE(event_cycles); i++) {
-               c = event_cycles[i];
-               evprintf("  ev %d\n", c - psxRegs.cycle);
-               if (psxRegs.cycle < c && c < min)
-                       min = c;
-       }
-       next_interupt = min;
+       schedule_timeslice();
 
-       //next_interupt = psxNextsCounter + psxNextCounter;
-       evprintf("  -ge %08x, %d->%d\n", psxRegs.pc, psxRegs.cycle, next_interupt);
+       evprintf("  -ge %08x, %u->%u (%d)\n", psxRegs.pc, psxRegs.cycle,
+               next_interupt, next_interupt - psxRegs.cycle);
 
        pending_exception = 1; /* FIXME */
 }
@@ -149,12 +166,15 @@ static void ari64_reset()
 
 static void ari64_execute()
 {
-       next_interupt = psxNextsCounter + psxNextCounter;
+       schedule_timeslice();
+
+       evprintf("ari64_execute %08x, %u->%u (%d)\n", psxRegs.pc,
+               psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
 
-       evprintf("psxNextsCounter %d, psxNextCounter %d\n", psxNextsCounter, psxNextCounter);
-       evprintf("ari64_execute %08x, %d->%d\n", psxRegs.pc, psxRegs.cycle, next_interupt);
        new_dyna_start();
-       evprintf("ari64_execute end %08x, %d->%d\n", psxRegs.pc, psxRegs.cycle, next_interupt);
+
+       evprintf("ari64_execute end %08x, %u->%u (%d)\n", psxRegs.pc,
+               psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
 }
 
 static void ari64_clear(u32 Addr, u32 Size)