diff options
author | 2020-01-06 23:20:24 -0500 | |
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committer | 2020-01-06 23:20:28 -0500 | |
commit | 2645475b752919e2c6891ee35f0a4c4493336f36 (patch) | |
tree | 6d6de24fa094627b91ebd179a38d059d1eee133e /src/devices/cpu/rx01/rx01.h | |
parent | 0d06ae9f4d3541a6a9c26a5f600c34914c2d9b4e (diff) |
rx01_cpu: Start executing some instructions (nw)
Diffstat (limited to 'src/devices/cpu/rx01/rx01.h')
-rw-r--r-- | src/devices/cpu/rx01/rx01.h | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/devices/cpu/rx01/rx01.h b/src/devices/cpu/rx01/rx01.h index f491c8ba56a..ab1cbc123c8 100644 --- a/src/devices/cpu/rx01/rx01.h +++ b/src/devices/cpu/rx01/rx01.h @@ -27,6 +27,8 @@ protected: virtual void device_reset() 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 overrides @@ -41,19 +43,29 @@ protected: private: void scratchpad_map(address_map &map); + // internal helpers + u8 mux_out(); + bool test_condition(); + // address spaces - address_space_config m_rom_config; + address_space_config m_inst_config; address_space_config m_sp_config; - memory_access_cache<0, 0, ENDIANNESS_LITTLE> *m_rom_cache; + memory_access_cache<0, 0, ENDIANNESS_LITTLE> *m_inst_cache; memory_access_cache<0, 0, ENDIANNESS_LITTLE> *m_sp_cache; // internal state u16 m_pc; + u16 m_ppc; + u8 m_mb; + bool m_br_condition; + bool m_inst_disable; + bool m_inst_repeat; u8 m_cntr; u8 m_sr; u8 m_spar; u16 m_bar; u16 m_crc; + bool m_flag; s32 m_icount; }; |