From bcf1c3856c84483e3f6ec96053e029e697d547ba Mon Sep 17 00:00:00 2001
From: Curt Coder <curtcoder@mail.com>
Date: Sun, 29 May 2011 12:06:32 +0000
Subject: [PATCH] Added HD6345 CRTC-II variant to mc6845.c. [Curt Coder]

---
 src/emu/video/mc6845.c | 34 +++++++++++++++++++++++++++-------
 src/emu/video/mc6845.h | 12 ++++++++++++
 2 files changed, 39 insertions(+), 7 deletions(-)

diff --git a/src/emu/video/mc6845.c b/src/emu/video/mc6845.c
index f0504443fd9..9f073a2dffd 100644
--- a/src/emu/video/mc6845.c
+++ b/src/emu/video/mc6845.c
@@ -38,6 +38,7 @@ const device_type H46505 = &device_creator<h46505_device>;
 const device_type HD6845 = &device_creator<hd6845_device>;
 const device_type SY6545_1 = &device_creator<sy6545_1_device>;
 const device_type SY6845E = &device_creator<sy6845e_device>;
+const device_type HD6345 = &device_creator<hd6345_device>;
 
 
 /* mode macros */
@@ -935,6 +936,19 @@ void sy6845e_device::device_start()
 }
 
 
+void hd6345_device::device_start()
+{
+	mc6845_device::device_start();
+
+	m_supports_disp_start_addr_r = true;
+	m_supports_vert_sync_width = true;
+	m_supports_status_reg_d5 = true;
+	m_supports_status_reg_d6 = true;
+	m_supports_status_reg_d7 = true;
+	m_supports_transparent = true;
+}
+
+
 void mc6845_device::device_reset()
 {
 	/* internal registers other than status remain unchanged, all outputs go low */
@@ -968,46 +982,52 @@ void hd6845_device::device_reset() { mc6845_device::device_reset(); }
 void c6545_1_device::device_reset() { mc6845_device::device_reset(); }
 void sy6545_1_device::device_reset() { mc6845_device::device_reset(); }
 void sy6845e_device::device_reset() { mc6845_device::device_reset(); }
+void hd6345_device::device_reset() { mc6845_device::device_reset(); }
 
 
 r6545_1_device::r6545_1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: mc6845_device(mconfig, R6545_1, "r6545_1", tag, owner, clock)
+	: mc6845_device(mconfig, R6545_1, "R6545-1", tag, owner, clock)
 {
 }
 
 
 h46505_device::h46505_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: mc6845_device(mconfig, H46505, "h46505", tag, owner, clock)
+	: mc6845_device(mconfig, H46505, "H46505", tag, owner, clock)
 {
 }
 
 
 mc6845_1_device::mc6845_1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: mc6845_device(mconfig, MC6845_1, "mc6845_1", tag, owner, clock)
+	: mc6845_device(mconfig, MC6845_1, "MC6845-1", tag, owner, clock)
 {
 }
 
 
 hd6845_device::hd6845_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: mc6845_device(mconfig, HD6845, "hd6845", tag, owner, clock)
+	: mc6845_device(mconfig, HD6845, "HD6845", tag, owner, clock)
 {
 }
 
 
 c6545_1_device::c6545_1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: mc6845_device(mconfig, C6545_1, "c6545_1", tag, owner, clock)
+	: mc6845_device(mconfig, C6545_1, "C6545-1", tag, owner, clock)
 {
 }
 
 
 sy6545_1_device::sy6545_1_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: mc6845_device(mconfig, SY6545_1, "sy6545_1", tag, owner, clock)
+	: mc6845_device(mconfig, SY6545_1, "SY6545-1", tag, owner, clock)
 {
 }
 
 
 sy6845e_device::sy6845e_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
-	: mc6845_device(mconfig, SY6845E, "sy6845e", tag, owner, clock)
+	: mc6845_device(mconfig, SY6845E, "SY6845E", tag, owner, clock)
 {
 }
 
+
+hd6345_device::hd6345_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
+	: mc6845_device(mconfig, HD6345, "HD6345", tag, owner, clock)
+{
+}
diff --git a/src/emu/video/mc6845.h b/src/emu/video/mc6845.h
index f90db830db8..6b786b28ee9 100644
--- a/src/emu/video/mc6845.h
+++ b/src/emu/video/mc6845.h
@@ -98,6 +98,7 @@ class mc6845_device :	public device_t,
 	friend class hd6845_device;
 	friend class sy6545_1_device;
 	friend class sy6845e_device;
+	friend class hd6345_device;
 
 
 public:
@@ -325,6 +326,16 @@ protected:
 	virtual void device_reset();
 };
 
+class hd6345_device : public mc6845_device
+{
+public:
+	hd6345_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+	virtual void device_start();
+	virtual void device_reset();
+};
+
 
 extern const device_type MC6845;
 extern const device_type MC6845_1;
@@ -334,6 +345,7 @@ extern const device_type H46505;
 extern const device_type HD6845;
 extern const device_type SY6545_1;
 extern const device_type SY6845E;
+extern const device_type HD6345;
 
 
 #endif