diff options
Diffstat (limited to 'src/devices/cpu/8x300/8x300.h')
-rw-r--r-- | src/devices/cpu/8x300/8x300.h | 47 |
1 files changed, 10 insertions, 37 deletions
diff --git a/src/devices/cpu/8x300/8x300.h b/src/devices/cpu/8x300/8x300.h index 155079d225a..e3e3d68e7f6 100644 --- a/src/devices/cpu/8x300/8x300.h +++ b/src/devices/cpu/8x300/8x300.h @@ -28,11 +28,11 @@ enum _8X300_IVL, _8X300_OVF, _8X300_R11, - _8X300_R12, - _8X300_R13, - _8X300_R14, - _8X300_R15, - _8X300_R16, + _8X300_UNUSED12, + _8X300_UNUSED13, + _8X300_UNUSED14, + _8X300_UNUSED15, + _8X300_UNUSED16, _8X300_IVR, _8X300_LIV, _8X300_RIV, @@ -45,13 +45,8 @@ public: // construction/destruction n8x300_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - auto sc_callback() { return m_sc_callback.bind(); } - protected: - n8x300_cpu_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); - // device-level overrides - virtual void device_resolve_objects() override; virtual void device_start() override; virtual void device_reset() override; @@ -70,12 +65,6 @@ protected: // device_disasm_interface overrides virtual std::unique_ptr<util::disasm_interface> create_disassembler() override; - virtual void set_reg(uint8_t reg, uint8_t val, bool xmit); - virtual uint8_t get_reg(uint8_t reg); - - void xmit_lb(uint8_t dst, uint8_t mask); - void xmit_rb(uint8_t dst, uint8_t mask); - address_space_config m_program_config; address_space_config m_io_config; @@ -83,11 +72,9 @@ protected: bool m_increment_pc; address_space *m_program; - memory_access_cache<1, -1, ENDIANNESS_BIG> *m_cache; + memory_access_cache<1, 0, ENDIANNESS_BIG> *m_cache; address_space *m_io; - devcb_write8 m_sc_callback; // Select Command (address latch) - uint16_t m_PC; // Program Counter uint16_t m_AR; // Address Register uint16_t m_IR; // Instruction Register @@ -99,17 +86,13 @@ protected: uint8_t m_R5; uint8_t m_R6; uint8_t m_R11; - uint8_t m_R12; - uint8_t m_R13; - uint8_t m_R14; - uint8_t m_R15; - uint8_t m_R16; uint8_t m_IVL; // Interface vector (I/O) left bank (write-only) uint8_t m_IVR; // Interface vector (I/O) right bank (write-only) uint8_t m_OVF; // Overflow register (read-only) uint16_t m_genPC; - uint8_t m_IV_latch; // IV bank contents, these are latched when IVL or IVR are set + uint8_t m_left_IV; // IV bank contents, these are latched when IVL or IVR are set + uint8_t m_right_IV; private: inline bool is_rot(uint16_t opcode) @@ -137,20 +120,10 @@ private: { return ((s & ((uint8_t)0xff << n)) >> n) | ((s & ((uint8_t)0xff >> (8-n))) << (8-n)); } -}; - -class n8x305_cpu_device : public n8x300_cpu_device -{ -public: - // construction/destruction - n8x305_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); - -protected: - virtual void set_reg(uint8_t reg, uint8_t val, bool xmit) override; - virtual uint8_t get_reg(uint8_t reg) override; + void set_reg(uint8_t reg,uint8_t val); + uint8_t get_reg(uint8_t reg); }; DECLARE_DEVICE_TYPE(N8X300, n8x300_cpu_device) -DECLARE_DEVICE_TYPE(N8X305, n8x305_cpu_device) #endif // MAME_CPU_8X300_8X300_H |