From a1eef66e5c057ed3fd6c6582494ef5bfc82d5f70 Mon Sep 17 00:00:00 2001
From: Karol Stasiak <karol.m.stasiak@gmail.com>
Date: Wed, 31 Jul 2019 23:36:22 +0200
Subject: [PATCH] In case of overflows, dump stack

---
 src/test/scala/millfork/test/emu/EmuZ80Run.scala | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/test/scala/millfork/test/emu/EmuZ80Run.scala b/src/test/scala/millfork/test/emu/EmuZ80Run.scala
index 1914043d..8f06d14c 100644
--- a/src/test/scala/millfork/test/emu/EmuZ80Run.scala
+++ b/src/test/scala/millfork/test/emu/EmuZ80Run.scala
@@ -199,6 +199,8 @@ class EmuZ80Run(cpu: millfork.Cpu.Value, nodeOptimizations: List[NodeOptimizatio
                 resetNMethod.invoke(cpu)
               }
               if (cpu.getSP.&(0xffff) < 0xd002) {
+                log.debug("stack dump:")
+                (0xD000 until 0xD0FF).map(memoryBank.output).grouped(16).map(_.map(i => f"$i%02x").mkString(" ")).foreach(log.debug(_))
                 throw new IllegalStateException("stack overflow")
               }
 //              dump(cpu)