From 2b15cea82e68d32f5e926ab065ac233b89cfc200 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Wed, 20 Sep 2017 23:39:20 +0300
Subject: [PATCH] workaround idledet breaking op test

---
 cpu/fame/famec_opcodes.h | 4 ++++
 pico/sek.c               | 5 +++++
 2 files changed, 9 insertions(+)

diff --git a/cpu/fame/famec_opcodes.h b/cpu/fame/famec_opcodes.h
index 99ba379..3ba7275 100644
--- a/cpu/fame/famec_opcodes.h
+++ b/cpu/fame/famec_opcodes.h
@@ -18574,6 +18574,10 @@ RET(8)
 // ILLEGAL
 OPCODE(0x4AFC)
 {
+#ifdef PICODRIVE_HACK
+	extern void SekFinishIdleDet(void);
+	SekFinishIdleDet();
+#endif
 	SET_PC(execute_exception(M68K_ILLEGAL_INSTRUCTION_EX, GET_PC-2, GET_SR));
 RET(0)
 }
diff --git a/pico/sek.c b/pico/sek.c
index 4525c7c..8bf0341 100644
--- a/pico/sek.c
+++ b/pico/sek.c
@@ -60,6 +60,8 @@ static int SekUnrecognizedOpcode()
     PicoCpuCM68k.state_flags |= 1;
     return 1;
   }
+  // happened once - may happen again
+  SekFinishIdleDet();
 #ifdef EMU_M68K // debugging cyclone
   {
     extern int have_illegal;
@@ -421,6 +423,8 @@ int SekRegisterIdlePatch(unsigned int pc, int oldop, int newop, void *ctx)
 
 void SekFinishIdleDet(void)
 {
+  if (idledet_count < 0)
+    return;
 #ifdef EMU_C68K
   CycloneFinishIdle();
 #endif
@@ -439,6 +443,7 @@ void SekFinishIdleDet(void)
     else
       elprintf(EL_STATUS|EL_IDLE, "idle: don't know how to restore %04x", *op);
   }
+  idledet_count = -1;
 }
 
 
-- 
2.39.2