From c299a73848342a745422a2e1980ed7fcf7960f26 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Fri, 30 May 2008 13:51:19 +0000
Subject: [PATCH] changed EI handling a bit and types

git-svn-id: file:///home/notaz/opt/svn/PicoDrive@471 be3aeb3a-fb24-0410-a615-afba39da0efa
---
 cpu/cz80/cz80.c    | 4 +++-
 cpu/cz80/cz80.h    | 6 +++---
 cpu/cz80/cz80_op.c | 6 +-----
 3 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/cpu/cz80/cz80.c b/cpu/cz80/cz80.c
index 18fd620..20e8053 100644
--- a/cpu/cz80/cz80.c
+++ b/cpu/cz80/cz80.c
@@ -242,6 +242,7 @@ INT32 Cz80_Exec(cz80_struc *CPU, INT32 cycles)
 	UINT32 res;
 	UINT32 val;
 	int afterEI = 0;
+	union16 *data;
 
 	PC = CPU->PC;
 #if CZ80_ENCRYPTED_ROM
@@ -255,7 +256,8 @@ INT32 Cz80_Exec(cz80_struc *CPU, INT32 cycles)
 Cz80_Exec:
 		if (CPU->ICount > 0)
 		{
-			union16 *data = pzHL;
+Cz80_Exec_nocheck:
+			data = pzHL;
 			Opcode = READ_OP();
 #if CZ80_EMULATE_R_EXACTLY
 			zR++;
diff --git a/cpu/cz80/cz80.h b/cpu/cz80/cz80.h
index d23d793..4e84642 100644
--- a/cpu/cz80/cz80.h
+++ b/cpu/cz80/cz80.h
@@ -24,7 +24,7 @@ extern "C" {
 #endif
 
 #ifndef INT8
-#define INT8	char
+#define INT8	signed char
 #endif
 
 #ifndef UINT16
@@ -32,7 +32,7 @@ extern "C" {
 #endif
 
 #ifndef INT16
-#define INT16	short
+#define INT16	signed short
 #endif
 
 #ifndef UINT32
@@ -40,7 +40,7 @@ extern "C" {
 #endif
 
 #ifndef INT32
-#define INT32	int
+#define INT32	signed int
 #endif
 
 /*************************************/
diff --git a/cpu/cz80/cz80_op.c b/cpu/cz80/cz80_op.c
index a4a5ef9..8691452 100644
--- a/cpu/cz80/cz80_op.c
+++ b/cpu/cz80/cz80_op.c
@@ -715,13 +715,9 @@ OP_EI:
 				CPU->ExtraCycles += 1 - CPU->ICount;
 				CPU->ICount = 1;
 			}
-			else if (CPU->ICount <= 0)
-			{
-				CPU->ICount = 1;
-			}
 		}
 		else zIFF2 = (1 << 2);
-		goto Cz80_Exec;
+		goto Cz80_Exec_nocheck;
 
 /*-----------------------------------------
  INC r16
-- 
2.39.2