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Diffstat (limited to 'src/devices/bus/isa/aha1542c.h')
-rw-r--r-- | src/devices/bus/isa/aha1542c.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/devices/bus/isa/aha1542c.h b/src/devices/bus/isa/aha1542c.h new file mode 100644 index 00000000000..005c688c053 --- /dev/null +++ b/src/devices/bus/isa/aha1542c.h @@ -0,0 +1,96 @@ +// license:BSD-3-Clause +// copyright-holders:Darkstar +/********************************************************************** + * + * Adaptec AHA-1542{C,CF,CP} SCSI Controller + * + ********************************************************************** + + + + **********************************************************************/ + +#ifndef MAME_BUS_AHA1542C_H +#define MAME_BUS_AHA1542C_H + +#pragma once + + +#include "isa.h" +#include "machine/eepromser.h" + +//********************************************************************* +// TYPE DEFINITIONS +//********************************************************************* + +// ====================> aha1542cf_device + +class aha1542c_device : public device_t, + public device_isa16_card_interface +{ +public: + static constexpr feature_type unemulated_features() { return feature::DISK; } + // construction/destruction + aha1542c_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + + DECLARE_READ8_MEMBER( aha1542_r ); + DECLARE_WRITE8_MEMBER( aha1542_w ); + +protected: + aha1542c_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + void local_latch_w(u8 data); + + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + // optional information overrides + virtual ioport_constructor device_input_ports() const override; + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + + required_device<eeprom_serial_93cxx_device> m_eeprom; + +private: + void z84c0010_mem(address_map &map); +}; + +// ====================> aha1542cf_device + +class aha1542cf_device : public aha1542c_device +{ +public: + // construction/destruction + aha1542cf_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + +protected: + virtual const tiny_rom_entry *device_rom_region() const override; +}; + +// ====================> aha1542cp_device + +class aha1542cp_device : public aha1542c_device +{ +public: + // construction/destruction + aha1542cp_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + +protected: + virtual ioport_constructor device_input_ports() const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual const tiny_rom_entry *device_rom_region() const override; + +private: + u8 eeprom_r(); + void eeprom_w(u8 data); + + void local_mem(address_map &map); +}; + +// device type definitions +DECLARE_DEVICE_TYPE(AHA1542C, aha1542c_device) +DECLARE_DEVICE_TYPE(AHA1542CF, aha1542cf_device) +DECLARE_DEVICE_TYPE(AHA1542CP, aha1542cp_device) + +#endif // MAME_BUS_AHA1542C_H |