From: kub <derkub@gmail.com>
Date: Wed, 7 Apr 2021 20:31:00 +0000 (+0200)
Subject: 32x, scheduling optimization
X-Git-Tag: v2.00~560
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6bb230c7ec944855974b44278f44a663aa804dad;p=picodrive.git

32x, scheduling optimization
---

diff --git a/pico/32x/32x.c b/pico/32x/32x.c
index bf3c9ec0..e75a2775 100644
--- a/pico/32x/32x.c
+++ b/pico/32x/32x.c
@@ -56,14 +56,14 @@ void p32x_update_irls(SH2 *active_sh2, unsigned int m68k_cycles)
   if (mrun) {
     p32x_sh2_poll_event(&msh2, SH2_IDLE_STATES, m68k_cycles);
     if (msh2.state & SH2_STATE_RUN)
-      sh2_end_run(&msh2, 1);
+      sh2_end_run(&msh2, 0);
   }
 
   srun = sh2_irl_irq(&ssh2, slvl, ssh2.state & SH2_STATE_RUN);
   if (srun) {
     p32x_sh2_poll_event(&ssh2, SH2_IDLE_STATES, m68k_cycles);
     if (ssh2.state & SH2_STATE_RUN)
-      sh2_end_run(&ssh2, 1);
+      sh2_end_run(&ssh2, 0);
   }
 
   elprintf(EL_32X, "update_irls: m %d/%d, s %d/%d", mlvl, mrun, slvl, srun);
@@ -328,7 +328,7 @@ void p32x_event_schedule_sh2(SH2 *sh2, enum p32x_event event, int after)
   left_to_next = C_M68K_TO_SH2(sh2, (int)(event_time_next - now));
   if (sh2_cycles_left(sh2) > left_to_next) {
     if (left_to_next < 1)
-      left_to_next = 1;
+      left_to_next = 0;
     sh2_end_run(sh2, left_to_next);
   }
 }
@@ -421,7 +421,7 @@ void p32x_sync_other_sh2(SH2 *sh2, unsigned int m68k_target)
     left_to_event = C_M68K_TO_SH2(sh2, (int)(event_time_next - m68k_target));
     if (sh2_cycles_left(sh2) > left_to_event) {
       if (left_to_event < 1)
-        left_to_event = 1;
+        left_to_event = 0;
       sh2_end_run(sh2, left_to_event);
     }
   }
diff --git a/pico/32x/memory.c b/pico/32x/memory.c
index 5ef6bca3..0bdf2eb8 100644
--- a/pico/32x/memory.c
+++ b/pico/32x/memory.c
@@ -126,7 +126,7 @@ void NOINLINE p32x_sh2_poll_detect(u32 a, SH2 *sh2, u32 flags, int maxcnt)
           sh2->state, sh2->state | flags);
 
       sh2->state |= flags;
-      sh2_end_run(sh2, 1);
+      sh2_end_run(sh2, 0);
       pevt_log_sh2(sh2, EVT_POLL_START);
 #ifdef DRC_SH2
       // mark this as an address used for polling if SDRAM
@@ -855,7 +855,7 @@ static void p32x_sh2reg_write8(u32 a, u32 d, SH2 *sh2)
         p32x_m68k_poll_event(P32XF_68KCPOLL);
         p32x_sh2_poll_event(sh2->other_sh2, SH2_STATE_CPOLL, cycles);
         if (p32x_sh2_ready(sh2->other_sh2, cycles+8))
-          sh2_end_run(sh2, 1);
+          sh2_end_run(sh2, 0);
         sh2_poll_write(a & ~1, r[a / 2], cycles, sh2);
       }
       return;
@@ -948,7 +948,7 @@ static void p32x_sh2reg_write16(u32 a, u32 d, SH2 *sh2)
         p32x_m68k_poll_event(P32XF_68KCPOLL);
         p32x_sh2_poll_event(sh2->other_sh2, SH2_STATE_CPOLL, cycles);
         if (p32x_sh2_ready(sh2->other_sh2, cycles+8))
-          sh2_end_run(sh2, 1);
+          sh2_end_run(sh2, 0);
         sh2_poll_write(a, d, cycles, sh2);
       }
       return;
@@ -1583,7 +1583,7 @@ static void sh2_sdram_poll(u32 a, u32 d, SH2 *sh2)
   sh2_poll_write(a, d, cycles, sh2);
   p32x_sh2_poll_event(sh2->other_sh2, SH2_STATE_RPOLL, cycles);
   if (p32x_sh2_ready(sh2->other_sh2, cycles+8))
-    sh2_end_run(sh2, 1);
+    sh2_end_run(sh2, 0);
   DRC_RESTORE_SR(sh2);
 }