diff options
Diffstat (limited to 'src/devices/bus/vtech/memexp/rs232.h')
-rw-r--r-- | src/devices/bus/vtech/memexp/rs232.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/devices/bus/vtech/memexp/rs232.h b/src/devices/bus/vtech/memexp/rs232.h new file mode 100644 index 00000000000..c89133e5a33 --- /dev/null +++ b/src/devices/bus/vtech/memexp/rs232.h @@ -0,0 +1,50 @@ +// license:GPL-2.0+ +// copyright-holders:Dirk Best +/*************************************************************************** + + Dick Smith VZ-200/300 RS-232 Cartridge + +***************************************************************************/ + +#pragma once + +#ifndef __VTECH_MEMEXP_RS232_H__ +#define __VTECH_MEMEXP_RS232_H__ + +#include "emu.h" +#include "memexp.h" +#include "bus/rs232/rs232.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> rs232_interface_device + +class rs232_interface_device : public device_t, public device_memexp_interface +{ +public: + // construction/destruction + rs232_interface_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + DECLARE_WRITE_LINE_MEMBER( rs232_rx_w ); + DECLARE_READ8_MEMBER( receive_data_r ); + DECLARE_WRITE8_MEMBER( transmit_data_w ); + +protected: + virtual const rom_entry *device_rom_region() const; + virtual machine_config_constructor device_mconfig_additions() const; + virtual void device_start(); + virtual void device_reset(); + +private: + required_device<rs232_port_device> m_rs232; + + int m_rx; +}; + +// device type definition +extern const device_type RS232_INTERFACE; + +#endif // __VTECH_MEMEXP_RS232_H__ |