From d1205c6c941ea6e2735384a2c4fc27feea3752a7 Mon Sep 17 00:00:00 2001
From: Sergey Svishchev <shattered@users.noreply.github.com>
Date: Tue, 21 Jun 2016 00:15:55 +0300
Subject: [PATCH] t11: fix MARK insn (not supported by actual T11)

---
 src/devices/cpu/t11/t11ops.hxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/devices/cpu/t11/t11ops.hxx b/src/devices/cpu/t11/t11ops.hxx
index 223159a9357..8d0a2103556 100644
--- a/src/devices/cpu/t11/t11ops.hxx
+++ b/src/devices/cpu/t11/t11ops.hxx
@@ -290,7 +290,7 @@ void t11_device::mark(UINT16 op)
 {
 	m_icount -= 36;
 
-	SP = SP + 2 * (op & 0x3f);
+	SP = PC + 2 * (op & 0x3f);
 	PC = REGW(5);
 	REGW(5) = POP();
 }