diff options
Diffstat (limited to 'src/devices/bus/kc/rom.h')
-rw-r--r-- | src/devices/bus/kc/rom.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/devices/bus/kc/rom.h b/src/devices/bus/kc/rom.h new file mode 100644 index 00000000000..9cfa06eefab --- /dev/null +++ b/src/devices/bus/kc/rom.h @@ -0,0 +1,98 @@ +// license:BSD-3-Clause +// copyright-holders:Sandro Ronco +#pragma once + +#ifndef __KC_ROM_H__ +#define __KC_ROM_H__ + +#include "emu.h" +#include "kc.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> kc_8k_device + +class kc_8k_device : + public device_t, + public device_kcexp_interface +{ +public: + // construction/destruction + kc_8k_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + kc_8k_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + + // optional information overrides + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual const rom_entry *device_rom_region() const; + + // kcexp_interface overrides + virtual UINT8 module_id_r() { return 0xfb; } + virtual void control_w(UINT8 data); + virtual void read(offs_t offset, UINT8 &data); + virtual UINT8* get_cart_base(); + virtual DECLARE_WRITE_LINE_MEMBER( mei_w ); + +protected: + kcexp_slot_device *m_slot; + + // internal state + int m_mei; // module enable line + UINT8 * m_rom; + UINT8 m_enabled; + UINT16 m_base; +}; + + +// ======================> kc_m006_device + +class kc_m006_device : + public kc_8k_device +{ +public: + // construction/destruction + kc_m006_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + +protected: + // kcexp_interface overrides + virtual UINT8 module_id_r() { return 0xfc; } + virtual void control_w(UINT8 data); + virtual void read(offs_t offset, UINT8 &data); +}; + + +// ======================> kc_m033_device + +class kc_m033_device : + public kc_8k_device +{ +public: + // construction/destruction + kc_m033_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + +protected: + // device-level overrides + virtual void device_reset(); + + // kcexp_interface overrides + virtual UINT8 module_id_r() { return 0x01; } + virtual void control_w(UINT8 data); + virtual void read(offs_t offset, UINT8 &data); + +private: + // internal state + UINT16 m_bank; +}; + + +// device type definition +extern const device_type KC_STANDARD; +extern const device_type KC_M006; +extern const device_type KC_M033; + +#endif /* __KC_ROM_H__ */ |