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-rw-r--r--src/emu/cpu/arc/arc.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/emu/cpu/arc/arc.h b/src/emu/cpu/arc/arc.h
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+++ b/src/emu/cpu/arc/arc.h
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+/*********************************\
+
+ ARCtangent (A4) core
+ ARC == Argonaut RISC Core
+
+\*********************************/
+
+#pragma once
+
+#ifndef __ARC_H__
+#define __ARC_H__
+
+class arc_device : public cpu_device
+{
+public:
+ // construction/destruction
+ arc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
+
+protected:
+ // device-level overrides
+ virtual void device_start();
+ virtual void device_reset();
+
+ // device_execute_interface overrides
+ virtual UINT32 execute_min_cycles() const { return 5; }
+ virtual UINT32 execute_max_cycles() const { return 5; }
+ virtual UINT32 execute_input_lines() const { return 0; }
+ virtual void execute_run();
+ virtual void execute_set_input(int inputnum, int state);
+
+ // device_memory_interface overrides
+ virtual const address_space_config *memory_space_config(address_spacenum spacenum = AS_0) const { return (spacenum == AS_PROGRAM) ? &m_program_config : NULL; }
+
+ // device_state_interface overrides
+ virtual void state_import(const device_state_entry &entry);
+ virtual void state_export(const device_state_entry &entry);
+
+ // device_disasm_interface overrides
+ virtual UINT32 disasm_min_opcode_bytes() const { return 4; }
+ virtual UINT32 disasm_max_opcode_bytes() const { return 4; }
+ virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options);
+
+private:
+ address_space_config m_program_config;
+
+ // 0 - 28 = r00 - r28 (General Purpose Registers)
+ // 29 = r29 (ILINK1)
+ // 30 = r30 (ILINE2)
+ // 31 = r31 (BLINK)
+ // 32- 59 = r32 - r59 (Reserved Registers)
+ // 60 = LPCOUNT
+ // 61 = Short Immediate Data Indicator Settings Flag
+ // 62 = Long Immediate Data Indicator
+ // 63 = Short Immediate Data Indicator NOT Settings Flag
+ UINT32 m_pc;
+ //UINT32 m_r[64];
+
+
+ address_space *m_program;
+ int m_icount;
+
+ UINT32 m_debugger_temp;
+
+ void unimplemented_opcode(UINT16 op);
+ inline UINT32 READ32(UINT32 address);
+ inline void WRITE32(UINT32 address, UINT32 data);
+};
+
+
+extern const device_type ARC;
+
+
+#endif /* __ARC_H__ */