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author Miodrag Milanovic <mmicko@gmail.com>2012-08-21 10:41:19 +0000
committer Miodrag Milanovic <mmicko@gmail.com>2012-08-21 10:41:19 +0000
commit7285b359d259b2ae0fdf85096571c386ec8c991a (patch)
treea027aff57f1a255f9ec6cfd3b68cabe4b6683998 /src/mess/machine/trs80m2kb.h
parent67c425e90757876a6716b7867df30c0149912e74 (diff)
Merge of MESS sources (no whatsnew)
Diffstat (limited to 'src/mess/machine/trs80m2kb.h')
-rw-r--r--src/mess/machine/trs80m2kb.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/mess/machine/trs80m2kb.h b/src/mess/machine/trs80m2kb.h
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+++ b/src/mess/machine/trs80m2kb.h
@@ -0,0 +1,103 @@
+/**********************************************************************
+
+ Tandy Radio Shack TRS-80 Model II keyboard emulation
+
+ Copyright MESS Team.
+ Visit http://mamedev.org for licensing and usage restrictions.
+
+**********************************************************************/
+
+#pragma once
+
+#ifndef __TRS80M2_KEYBOARD__
+#define __TRS80M2_KEYBOARD__
+
+
+#include "emu.h"
+#include "cpu/mcs48/mcs48.h"
+#include "sound/discrete.h"
+
+
+
+//**************************************************************************
+// MACROS / CONSTANTS
+//**************************************************************************
+
+#define TRS80M2_KEYBOARD_TAG "trs80m2kb"
+
+
+
+//**************************************************************************
+// INTERFACE CONFIGURATION MACROS
+//**************************************************************************
+
+#define MCFG_TRS80M2_KEYBOARD_ADD(_config) \
+ MCFG_DEVICE_ADD(TRS80M2_KEYBOARD_TAG, TRS80M2_KEYBOARD, 0) \
+ MCFG_DEVICE_CONFIG(_config)
+
+
+#define TRS80M2_KEYBOARD_INTERFACE(_name) \
+ const trs80m2_keyboard_interface (_name) =
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> trs80m2_keyboard_interface
+
+struct trs80m2_keyboard_interface
+{
+ devcb_write_line m_out_clock_cb;
+};
+
+
+// ======================> trs80m2_keyboard_device
+
+class trs80m2_keyboard_device : public device_t,
+ public trs80m2_keyboard_interface
+{
+public:
+ // construction/destruction
+ trs80m2_keyboard_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;
+ virtual ioport_constructor device_input_ports() const;
+
+ DECLARE_WRITE_LINE_MEMBER( busy_w );
+ DECLARE_READ_LINE_MEMBER( data_r );
+
+ // not really public
+ DECLARE_READ8_MEMBER( kb_t1_r );
+ DECLARE_READ8_MEMBER( kb_p0_r );
+ DECLARE_WRITE8_MEMBER( kb_p1_w );
+ DECLARE_WRITE8_MEMBER( kb_p2_w );
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+ virtual void device_config_complete() { m_shortname = "trs80m2kb"; }
+
+private:
+ devcb_resolved_write_line m_out_clock_func;
+
+ required_device<cpu_device> m_maincpu;
+
+ int m_busy;
+ int m_data;
+ int m_clk;
+
+ UINT8 m_y;
+};
+
+
+// device type definition
+extern const device_type TRS80M2_KEYBOARD;
+
+
+
+#endif