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author Curt Coder <curtcoder@mail.com>2013-10-20 19:43:30 +0000
committer Curt Coder <curtcoder@mail.com>2013-10-20 19:43:30 +0000
commit726983263b929a6f1f0a131d7b511242b8bf0437 (patch)
treed0c91051c8cd9792ed3046180f893edfdefc38f9 /src/emu/bus/comx35/clm.h
parentd2236708b3ca7fc0472e9e4915e0ba4dd01c4089 (diff)
(MESS) comx35: Moved expansion port under emu/bus. (nw)
Diffstat (limited to 'src/emu/bus/comx35/clm.h')
-rw-r--r--src/emu/bus/comx35/clm.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/emu/bus/comx35/clm.h b/src/emu/bus/comx35/clm.h
new file mode 100644
index 00000000000..401d7f01f0d
--- /dev/null
+++ b/src/emu/bus/comx35/clm.h
@@ -0,0 +1,65 @@
+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ COMX-35 80-Column Card emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __COMX_CLM__
+#define __COMX_CLM__
+
+#include "emu.h"
+#include "exp.h"
+#include "video/mc6845.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> comx_clm_device
+
+class comx_clm_device : public device_t,
+ public device_comx_expansion_card_interface
+{
+public:
+ // construction/destruction
+ comx_clm_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+ // optional information overrides
+ virtual const rom_entry *device_rom_region() const;
+ virtual machine_config_constructor device_mconfig_additions() const;
+
+ // not really public
+ void crtc_update_row(mc6845_device *device, bitmap_rgb32 &bitmap, const rectangle &cliprect, UINT16 ma, UINT8 ra, UINT16 y, UINT8 x_count, INT8 cursor_x, void *param);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_comx_expansion_card_interface overrides
+ virtual int comx_ef4_r();
+ virtual UINT8 comx_mrd_r(address_space &space, offs_t offset, int *extrom);
+ virtual void comx_mwr_w(address_space &space, offs_t offset, UINT8 data);
+
+private:
+ required_device<mc6845_device> m_crtc;
+ required_memory_region m_rom;
+ required_memory_region m_char_rom;
+ optional_shared_ptr<UINT8> m_video_ram;
+};
+
+
+// device type definition
+extern const device_type COMX_CLM;
+
+
+#endif