diff options
Diffstat (limited to 'src/devices/cpu/z80/r800.h')
-rw-r--r-- | src/devices/cpu/z80/r800.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/devices/cpu/z80/r800.h b/src/devices/cpu/z80/r800.h index bad16f8cfdd..967ed29417d 100644 --- a/src/devices/cpu/z80/r800.h +++ b/src/devices/cpu/z80/r800.h @@ -1,5 +1,5 @@ // license:BSD-3-Clause -// copyright-holders:AJR +// copyright-holders:AJR,Wilbert Pol /*************************************************************************** ASCII R800 CPU @@ -24,10 +24,23 @@ public: // device type constructor r800_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + static constexpr feature_type imperfect_features() { return feature::TIMING; } + protected: + // device_t implementation + virtual void device_validity_check(validity_checker &valid) const override; + // device_execute_interface overrides virtual u64 execute_clocks_to_cycles(u64 clocks) const noexcept override { return (clocks + 4 - 1) / 4; } virtual u64 execute_cycles_to_clocks(u64 cycles) const noexcept override { return (cycles * 4); } + virtual void execute_run() override; + + // device_disasm_interface implementation + virtual std::unique_ptr<util::disasm_interface> create_disassembler() override; + + u8 r800_sll(u8 value); + void mulub(u8 value); + void muluw(u16 value); }; // device type declaration |