From 1424fce2980cf85047ffb528cc89049382dbe838 Mon Sep 17 00:00:00 2001
From: Curt Coder <curtcoder@mail.com>
Date: Tue, 19 Feb 2008 17:54:47 +0000
Subject: [PATCH] Added i8749 CPU type for MESS.

---
 src/emu/cpu/cpu.mak       |  5 +++--
 src/emu/cpu/i8039/i8039.c | 26 ++++++++++++++++++++++++++
 src/emu/cpu/i8039/i8039.h | 25 +++++++++++++++++++++++++
 src/emu/cpuexec.h         |  1 +
 src/emu/cpuintrf.c        |  4 ++++
 src/mame/mame.mak         |  1 +
 6 files changed, 60 insertions(+), 2 deletions(-)

diff --git a/src/emu/cpu/cpu.mak b/src/emu/cpu/cpu.mak
index d3cb1368ad2..d97a683ba45 100644
--- a/src/emu/cpu/cpu.mak
+++ b/src/emu/cpu/cpu.mak
@@ -524,17 +524,18 @@ $(CPUOBJ)/i8085/i8085.o:	$(CPUSRC)/i8085/i8085.c \
 
 
 #-------------------------------------------------
-# Intel 8039 and derivatives
+# Intel MCS-48 (8039 and derivatives)
 #-------------------------------------------------
 
 CPUDEFS += -DHAS_I8035=$(if $(filter I8035,$(CPUS)),1,0)
 CPUDEFS += -DHAS_I8039=$(if $(filter I8039,$(CPUS)),1,0)
 CPUDEFS += -DHAS_I8048=$(if $(filter I8048,$(CPUS)),1,0)
+CPUDEFS += -DHAS_I8749=$(if $(filter I8749,$(CPUS)),1,0)
 CPUDEFS += -DHAS_N7751=$(if $(filter N7751,$(CPUS)),1,0)
 CPUDEFS += -DHAS_MB8884=$(if $(filter MB8884,$(CPUS)),1,0)
 CPUDEFS += -DHAS_M58715=$(if $(filter M58715,$(CPUS)),1,0)
 
-ifneq ($(filter I8035 I8039 I8048 N7751 MB8884 M58715,$(CPUS)),)
+ifneq ($(filter I8035 I8039 I8048 I8749 N7751 MB8884 M58715,$(CPUS)),)
 OBJDIRS += $(CPUOBJ)/i8039
 CPUOBJS += $(CPUOBJ)/i8039/i8039.o
 DBGOBJS += $(CPUOBJ)/i8039/8039dasm.o
diff --git a/src/emu/cpu/i8039/i8039.c b/src/emu/cpu/i8039/i8039.c
index f07e10bd68d..6d66b93b500 100644
--- a/src/emu/cpu/i8039/i8039.c
+++ b/src/emu/cpu/i8039/i8039.c
@@ -629,6 +629,16 @@ static void i8035_init (int index, int clock, const void *config, int (*irqcallb
 }
 #endif
 
+#if (HAS_I8749)
+static void i8749_init (int index, int clock, const void *config, int (*irqcallback)(int))
+{
+	i8039_init(index, clock, config, irqcallback);
+
+	R.ram_mask = 0x7f;
+	R.int_rom_size = 0x800;
+}
+#endif
+
 #if (HAS_M58715)
 static void m58715_init (int index, int clock, const void *config, int (*irqcallback)(int))
 {
@@ -1024,6 +1034,22 @@ void i8048_get_info(UINT32 state, cpuinfo *info)
 }
 #endif
 
+#if (HAS_I8749)
+/**************************************************************************
+ * CPU-specific get_info/set_info
+ **************************************************************************/
+void i8749_get_info(UINT32 state, cpuinfo *info)
+{
+	switch (state)
+	{
+		/* --- the following bits of info are returned as NULL-terminated strings --- */
+		case CPUINFO_STR_NAME:							strcpy(info->s, "I8749");				break;
+		case CPUINFO_PTR_INIT:							info->init = i8749_init;				break;
+
+		default:										i8039_get_info(state, info);			break;
+	}
+}
+#endif
 
 #if (HAS_N7751)
 /**************************************************************************
diff --git a/src/emu/cpu/i8039/i8039.h b/src/emu/cpu/i8039/i8039.h
index ca79bf6e7a8..eb5c4229cf8 100644
--- a/src/emu/cpu/i8039/i8039.h
+++ b/src/emu/cpu/i8039/i8039.h
@@ -102,6 +102,31 @@ extern void i8035_get_info(UINT32 state, cpuinfo *info);
 extern void i8048_get_info(UINT32 state, cpuinfo *info);
 #endif
 
+/**************************************************************************
+ * I8749 section
+ **************************************************************************/
+#if (HAS_I8749)
+#define I8749_PC				I8039_PC
+#define I8749_SP				I8039_SP
+#define I8749_PSW				I8039_PSW
+#define I8749_A 				I8039_A
+#define I8749_TC				I8039_TC
+#define I8749_P1				I8039_P1
+#define I8749_P2				I8039_P2
+#define I8749_R0				I8039_R0
+#define I8749_R1				I8039_R1
+#define I8749_R2				I8039_R2
+#define I8749_R3				I8039_R3
+#define I8749_R4				I8039_R4
+#define I8749_R5				I8039_R5
+#define I8749_R6				I8039_R6
+#define I8749_R7				I8039_R7
+
+#define i8749_ICount			i8039_ICount
+
+extern void i8749_get_info(UINT32 state, cpuinfo *info);
+#endif
+
 /**************************************************************************
  * N7751 section
  **************************************************************************/
diff --git a/src/emu/cpuexec.h b/src/emu/cpuexec.h
index 142df166c88..8b52e5939b0 100644
--- a/src/emu/cpuexec.h
+++ b/src/emu/cpuexec.h
@@ -79,6 +79,7 @@ enum _cpu_type
 	CPU_I8035,
 	CPU_I8039,
 	CPU_I8048,
+	CPU_I8749,
 	CPU_N7751,
 	CPU_MB8884,
 	CPU_M58715,
diff --git a/src/emu/cpuintrf.c b/src/emu/cpuintrf.c
index 6bee32bd6eb..230057fd509 100644
--- a/src/emu/cpuintrf.c
+++ b/src/emu/cpuintrf.c
@@ -52,6 +52,7 @@ void v70_get_info(UINT32 state, cpuinfo *info);
 void i8035_get_info(UINT32 state, cpuinfo *info);
 void i8039_get_info(UINT32 state, cpuinfo *info);
 void i8048_get_info(UINT32 state, cpuinfo *info);
+void i8749_get_info(UINT32 state, cpuinfo *info);
 void n7751_get_info(UINT32 state, cpuinfo *info);
 void mb8884_get_info(UINT32 state, cpuinfo *info);
 void m58715_get_info(UINT32 state, cpuinfo *info);
@@ -369,6 +370,9 @@ static const struct
 #if (HAS_I8048)
 	{ CPU_I8048, i8048_get_info },
 #endif
+#if (HAS_I8749)
+	{ CPU_I8749, i8749_get_info },
+#endif
 #if (HAS_N7751)
 	{ CPU_N7751, n7751_get_info },
 #endif
diff --git a/src/mame/mame.mak b/src/mame/mame.mak
index d6038f3dfe6..1dcaa175b22 100644
--- a/src/mame/mame.mak
+++ b/src/mame/mame.mak
@@ -65,6 +65,7 @@ CPUS += V70
 CPUS += I8035
 CPUS += I8039
 CPUS += I8048
+CPUS += I8749
 CPUS += N7751
 CPUS += MB8884
 CPUS += M58715