From: notaz <notasas@gmail.com>
Date: Sun, 28 Jan 2018 17:13:01 +0000 (+0200)
Subject: fix a corner case with h-int
X-Git-Tag: v1.93~6
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=picodrive.git;a=commitdiff_plain;h=0a0073dc9fae7d867d737623d30917cc4b285b16

fix a corner case with h-int
---

diff --git a/pico/pico_cmn.c b/pico/pico_cmn.c
index 95b6b10..1f89da9 100644
--- a/pico/pico_cmn.c
+++ b/pico/pico_cmn.c
@@ -113,9 +113,7 @@ static int PicoFrameHints(void)
   z80_resetCycles();
   PsndStartFrame();
 
-  // Load H-Int counter
-  hint = (pv->status & PVS_ACTIVE) ? pv->hint_cnt : pv->reg[10];
-
+  hint = pv->hint_cnt;
   pv->status |= PVS_ACTIVE;
 
   for (y = 0; ; y++)
@@ -306,11 +304,14 @@ static int PicoFrameHints(void)
 
   PAD_DELAY();
 
-  if ((pv->status & PVS_ACTIVE) && --hint < 0)
-  {
-    hint = pv->reg[10]; // Reload H-Int counter
-    do_hint(pv);
+  if (unlikely(pv->status & PVS_ACTIVE)) {
+    if (--hint < 0) {
+      hint = pv->reg[10]; // Reload H-Int counter
+      do_hint(pv);
+    }
   }
+  else
+    hint = pv->reg[10];
 
   // Run scanline:
   Pico.t.m68c_line_start = Pico.t.m68c_aim;