From: beeanyew <beeanyew@gmail.com>
Date: Tue, 8 Jun 2021 20:23:26 +0000 (+0200)
Subject: Reduce lag of repeatedly triggered interrupts a bit
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=f77e1715a67295b0cbb8942a5541c4024efe90a9;p=pistorm

Reduce lag of repeatedly triggered interrupts a bit

Please tell me if this breaks everything.
---

diff --git a/emulator.c b/emulator.c
index 23247fe..b72c243 100644
--- a/emulator.c
+++ b/emulator.c
@@ -126,11 +126,13 @@ void *ipl_task(void *args) {
     value = *(gpio + 13);
 
     if (!(value & (1 << PIN_IPL_ZERO))) {
-      irq = 1;
       old_irq = irq_delay;
       //NOP
-      M68K_END_TIMESLICE;
-      NOP
+      if (!irq) {
+        M68K_END_TIMESLICE;
+        NOP
+        irq = 1;
+      }
       //usleep(0);
     }
     else {