Subversion Repositories tv80

#ifndef TV_RESPONDER_H_

#define TV_RESPONDER_H_

#include "sc_env.h"

#include "tv80_scenv.h"

SC_MODULE(tv_responder)

{

  private:

        char    str_buf [256];

        int     buf_ptr;

        int     timeout_ctl;

        int     cur_timeout;

        int     max_timeout;

        int     int_countdown;

        int     nmi_countdown;

        uint8_t checksum;

        int     ior_value;  // increment-on-read value

        int     nmi_trigger; // trigger nmi when IR = this value

        int     reset_time;

        bool    last_iowrite;

  public:

        sc_in<bool>   clk;

        sc_out<bool>    reset_n;

        sc_out<bool>    wait_n;

        sc_out<bool>    int_n;

        sc_out<bool>    nmi_n;

        sc_out<bool>    busrq_n;

        sc_in<bool>     m1_n;

        sc_in<bool>     mreq_n;

        sc_in<bool>     iorq_n;

        sc_in<bool>     rd_n;

        sc_in<bool>     wr_n;

        sc_in<bool>     halt_n;

        sc_in<bool>     busak_n;

        sc_out<uint32_t>        di_resp;

        sc_in<uint32_t> dout;

        sc_in<uint32_t> addr;

        void event();

        SC_CTOR(tv_responder) {

                SC_METHOD(event);

                sensitive << clk.pos();

                buf_ptr = 0;

                cur_timeout = 0;

                max_timeout = 10000;

                timeout_ctl = 1;

                int_countdown = 0;

                nmi_countdown = 0;

                nmi_trigger = 0;

                reset_time = 16;

                last_iowrite = false;

        }

};

#endif /*TV_RESPONDER_H_*/