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https://opencores.org/ocsvn/tv80/tv80/trunk
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[/] [tv80/] [trunk/] [sc_env/] [z80_decoder.h] - Rev 104
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#ifndef Z80_DECODER_H_ #define Z80_DECODER_H_ #include <stdint.h> #include "systemc.h" typedef enum { UNPRE, PRE_CB, PRE_DD, PRE_ED, PRE_FD, DISP, IMM1, IMM2, IMM2B } dec_state; SC_MODULE(z80_decoder) { private: dec_state state; sc_uint<8> opcode; char *op_name; char op_buf[80]; uint16_t imm, op_addr; void decode_unpre(); void op_print(); public: sc_in<bool> clk; sc_in<uint32_t> addr; sc_in<bool> m1_n; sc_in<bool> mreq_n; sc_in<bool> rd_n; sc_in<bool> wait_n; sc_in<uint32_t> di; sc_in<bool> reset_n; bool en_decode; void event(); SC_CTOR(z80_decoder) { SC_METHOD (event); sensitive << clk.pos(); en_decode = false; } }; #endif /*Z80_DECODER_H_*/
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