Subversion Repositories tv80

#include "env_memory.h"

#include <stdio.h>

void env_memory::event()

{

  int lcl_cs;

  int ad;

  if (!mreq_n && !wr_n && (addr < AM_DEPTH)) {

        ad = (int) addr;

    memory[ad] = (unsigned char) wr_data.read();

#ifdef DEBUG

    printf ("Wrote %x to address %x\n", (int) wr_data.read(), ad);

#endif

  } else if (!mreq_n && !rd_n && (addr < AM_DEPTH)) {

        ad = (int) addr;

        rd_data.write ( (unsigned int) memory[ad] );

#ifdef DEBUG

    printf ("Read %x from address %x\n", memory[ad], ad);

#endif

  }

}

void inline readline(FILE *fh, char *buf)

{

        int c = 1;

        while (c) {

                c = fread (buf, 1, 1, fh);

                if (c && (*buf == '\n'))

                        c = 0;

                else buf++;

        }

}

/*

        line = ifh.readline()

        while (line != ''):

            if (line[0] == ':'):

                rlen = int(line[1:3], 16)

                addr = int(line[3:7], 16)

                rtyp = int(line[7:9], 16)

                ptr = 9

                for i in range (0, rlen):

                    laddr = addr + i

                    val = int(line[9+i*2:9+i*2+2], 16)

                    self.map[laddr] = val

                    self.bcount += 1

                    if (laddr > self.max): self.max = laddr

                    if (laddr < self.min): self.min = laddr

            line = ifh.readline()

 */

 void env_memory::load_ihex(char *filename)

{

        FILE *fh;

        char line[80];

        char *lp;

        int rlen, addr, rtyp;

        fh = fopen (filename, "r");

        readline (fh, line);

        while (strlen(line) > 0) {

          printf ("DEBUG: strlen(line)=%d\n", strlen(line));

          sscanf (line, "%2x%2x%2x", &rlen, &addr, &rtyp);

          printf ("DEBUG: rlen=%d addr=%d rtyp=%d\n", rlen, addr, rtyp);

          lp = line + 6;

          for (int c=0; c<rlen; c++) {

          }

        }

        fclose (fh);

}