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annotate simtool/writecmd.c @ 1:2071b28cd0c7

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simtool: first refactored version
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 11 Feb 2021 23:04:28 +0000
parents
children 702c2c40e51a
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2071b28cd0c7 simtool: first refactored version
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1 #include <sys/types.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include "curfile.h"
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5
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6 cmd_update_bin(argc, argv)
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7 char **argv;
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8 {
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9 unsigned offset, len;
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10 u_char data[255];
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11 int rc;
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12
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13 offset = strtoul(argv[1], 0, 0);
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14 if (offset > 0xFFFF) {
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15 fprintf(stderr, "error: offset argument is out of range\n");
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16 return(-1);
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17 }
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18 rc = read_hex_data_file(argv[2], data);
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19 if (rc < 0)
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20 return(rc);
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21 len = rc;
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22 return update_bin_op(offset, data, len);
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23 }
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24
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25 cmd_update_bin_imm(argc, argv)
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26 char **argv;
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27 {
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28 unsigned offset, len;
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29 u_char data[255];
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30 int rc;
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31
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32 offset = strtoul(argv[1], 0, 0);
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33 if (offset > 0xFFFF) {
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34 fprintf(stderr, "error: offset argument is out of range\n");
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35 return(-1);
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36 }
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37 rc = decode_hex_data_from_string(argv[2], data, 1, 255);
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38 if (rc < 0)
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39 return(rc);
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40 len = rc;
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41 return update_bin_op(offset, data, len);
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42 }
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43
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44 cmd_update_rec(argc, argv)
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45 char **argv;
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46 {
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47 unsigned recno;
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48 u_char data[255];
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49 int rc;
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50
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51 recno = strtoul(argv[1], 0, 0);
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52 if (recno < 1 || recno > 255) {
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53 fprintf(stderr,
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54 "error: record number argument is out of range\n");
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55 return(-1);
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56 }
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57 rc = read_hex_data_file(argv[2], data);
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58 if (rc < 0)
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59 return(rc);
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60 if (rc != curfile_record_len) {
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61 fprintf(stderr, "error: hex data length != EF record length\n");
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62 return(-1);
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63 }
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64 return update_rec_op(recno, 0x04, data, curfile_record_len);
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65 }