From 85c7144e0d4105ac38df8ae7792e9002a0e985ff Mon Sep 17 00:00:00 2001
From: cracyc <cracyc@users.noreply.github.com>
Date: Sat, 25 May 2019 21:55:53 -0500
Subject: [PATCH] i386: fix enter insn (nw)

---
 src/devices/cpu/i386/i386op16.hxx | 16 +++++++++++++---
 src/devices/cpu/i386/i386op32.hxx | 16 +++++++++++++---
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/src/devices/cpu/i386/i386op16.hxx b/src/devices/cpu/i386/i386op16.hxx
index cfaa9901dd5..57c6c06cb63 100644
--- a/src/devices/cpu/i386/i386op16.hxx
+++ b/src/devices/cpu/i386/i386op16.hxx
@@ -1185,10 +1185,20 @@ void i386_device::i386_enter16()           // Opcode 0xc8
 
 	if(level > 0)
 	{
-		for(x=1;x<level-1;x++)
+		for(x=1;x<=level-1;x++)
 		{
-			REG16(BP) -= 2;
-			PUSH16(READ16(REG16(BP)));
+			uint32_t addr;
+			if(!STACK_32BIT)
+			{
+				REG16(BP) -= 2;
+				addr = REG16(BP);
+			}
+			else
+			{
+				REG32(EBP) -= 2;
+				addr = REG32(EBP);
+			}
+			PUSH16(READ16(i386_translate(SS, addr, 0)));
 		}
 		PUSH16(frameptr);
 	}
diff --git a/src/devices/cpu/i386/i386op32.hxx b/src/devices/cpu/i386/i386op32.hxx
index 0d5db177169..3b828a779a0 100644
--- a/src/devices/cpu/i386/i386op32.hxx
+++ b/src/devices/cpu/i386/i386op32.hxx
@@ -1030,10 +1030,20 @@ void i386_device::i386_enter32()           // Opcode 0xc8
 
 	if(level > 0)
 	{
-		for(x=1;x<level-1;x++)
+		for(x=1;x<=level-1;x++)
 		{
-			REG32(EBP) -= 4;
-			PUSH32(READ32(REG32(EBP)));
+			uint32_t addr;
+			if(!STACK_32BIT)
+			{
+				REG16(BP) -= 4;
+				addr = REG16(BP);
+			}
+			else
+			{
+				REG32(EBP) -= 4;
+				addr = REG32(EBP);
+			}
+			PUSH32(READ32(i386_translate(SS, addr, 0)));
 		}
 		PUSH32(frameptr);
 	}