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Diffstat (limited to 'src/devices/cpu/z80/z84c015.h')
-rw-r--r-- | src/devices/cpu/z80/z84c015.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/devices/cpu/z80/z84c015.h b/src/devices/cpu/z80/z84c015.h new file mode 100644 index 00000000000..0b5261cba34 --- /dev/null +++ b/src/devices/cpu/z80/z84c015.h @@ -0,0 +1,69 @@ +// license:BSD-3-Clause +/*************************************************************************** + + Zilog Z84C015, MPUZ80/Z8400/84C00 Family + Z80 CPU, SIO, CTC, CGC, PIO, WDT + +***************************************************************************/ + +#ifndef MAME_CPU_Z80_Z84C015_H +#define MAME_CPU_Z80_Z84C015_H + +#pragma once + +#include "tmpz84c015.h" + + +enum +{ + Z84_WCR = Z80_WZ + 1, Z84_MWBR, Z84_CSBR, Z84_MCR +}; + +/*************************************************************************** + TYPE DEFINITIONS +***************************************************************************/ + +class z84c015_device : public tmpz84c015_device +{ +public: + z84c015_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + u8 csbr_r() { return m_csbr; } + +protected: + // device-level overrides + virtual void device_start() override ATTR_COLD; + + const address_space_config m_program_space_config; + const address_space_config m_opcodes_space_config; + + void internal_io_map(address_map &map) const; + virtual space_config_vector memory_space_config() const override; + virtual bool memory_translate(int spacenum, int intention, offs_t &address, address_space *&target_space) override; + + u8 data_read(u16 addr) override; + void data_write(u16 addr, u8 value) override; + u8 opcode_read() override; + u8 arg_read() override; + +private: + u32 translate_memory_address(u16 address); + + // system control registers + u8 m_scrp; + u8 m_wcr; + u8 m_mwbr; + u8 m_csbr; + u8 m_mcr; + + u8 scrp_r() { return m_scrp; }; + void scrp_w(u8 data) { m_scrp = data; }; + u8 scdp_r(); + void scdp_w(u8 data); +}; + +// device type definition +DECLARE_DEVICE_TYPE(Z84C015, z84c015_device) + + +#endif // MAME_CPU_Z80_Z84C015_H |