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Diffstat (limited to 'src/mess/machine/c64/turbo232.h')
-rw-r--r-- | src/mess/machine/c64/turbo232.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/mess/machine/c64/turbo232.h b/src/mess/machine/c64/turbo232.h new file mode 100644 index 00000000000..d5b0e10178b --- /dev/null +++ b/src/mess/machine/c64/turbo232.h @@ -0,0 +1,93 @@ +/********************************************************************** + + CMD Turbo232 RS-232 cartridge emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#pragma once + +#ifndef __TURBO232__ +#define __TURBO232__ + + +#include "emu.h" +#include "machine/c64/exp.h" +#include "machine/mos6551.h" +#include "machine/null_modem.h" +#include "machine/serial.h" +#include "machine/terminal.h" + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> c64_turbo232_cartridge_device + +class c64_turbo232_cartridge_device : public device_t, + public device_c64_expansion_card_interface +{ +public: + // construction/destruction + c64_turbo232_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + virtual ioport_constructor device_input_ports() const; + + DECLARE_WRITE_LINE_MEMBER( acia_irq_w ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + // device_c64_expansion_card_interface overrides + virtual UINT8 c64_cd_r(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2); + virtual void c64_cd_w(address_space &space, offs_t offset, UINT8 data, int sphi2, int ba, int roml, int romh, int io1, int io2); + +private: + required_device<mos6551_device> m_acia; + required_device<rs232_port_device> m_rs232; + required_ioport m_io_cs; + required_ioport m_io_irq; + + enum + { + D700 = 0, + DE00, + DF00 + }; + + enum + { + IRQ = 0, + NMI + }; + + enum + { + ES_S_230400 = 0x00, + ES_S_115200 = 0x01, + ES_S_57600 = 0x02, + ES_S_UNDEFINED = 0x03, + ES_S_MASK = 0x03, + ES_M = 0x04 + }; + + int m_cs; + int m_irq; + + UINT8 m_es; +}; + + +// device type definition +extern const device_type C64_TURBO232; + + +#endif |