summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/machine/e22_kbd.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/machine/e22_kbd.h')
-rw-r--r--src/mame/machine/e22_kbd.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/mame/machine/e22_kbd.h b/src/mame/machine/e22_kbd.h
new file mode 100644
index 00000000000..a3bac1d98d6
--- /dev/null
+++ b/src/mame/machine/e22_kbd.h
@@ -0,0 +1,62 @@
+// license: BSD-3-Clause
+// copyright-holders: Dirk Best
+/***************************************************************************
+
+ Tab Products E22 Keyboard (HLE)
+
+***************************************************************************/
+
+#ifndef MAME_MACHINE_E22_KBD_H
+#define MAME_MACHINE_E22_KBD_H
+
+#pragma once
+
+#include "machine/keyboard.h"
+#include "diserial.h"
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> e22_kbd_hle_device
+
+class e22_kbd_hle_device : public device_t,
+ public device_buffered_serial_interface<16>,
+ protected device_matrix_keyboard_interface<8>
+{
+public:
+ // construction/destruction
+ e22_kbd_hle_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
+
+ // callbacks
+ auto tx_handler() { return m_tx_handler.bind(); }
+ auto cts_handler() { return m_cts_handler.bind(); }
+
+ // from host
+ void rx_w(int state);
+
+protected:
+ // device_t overrides
+ virtual ioport_constructor device_input_ports() const override;
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // device_buffered_serial_interface overrides
+ virtual void tra_callback() override;
+ virtual void received_byte(uint8_t byte) override;
+
+ // device_matrix_keyboard_interface overrides
+ virtual void key_make(uint8_t row, uint8_t column) override;
+ virtual void key_break(uint8_t row, uint8_t column) override;
+ virtual void key_repeat(uint8_t row, uint8_t column) override;
+
+private:
+ devcb_write_line m_tx_handler;
+ devcb_write_line m_cts_handler;
+};
+
+// device type definition
+DECLARE_DEVICE_TYPE(E22_KBD_HLE, e22_kbd_hle_device)
+
+#endif // MAME_MACHINE_E22_KBD_H