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/*
casm - Simple, portable assembler
Copyright (C) 2003-2015 Ian Cowburn (ianc@noddybox.co.uk)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------
Intel HEX output handler.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "global.h"
#include "codepage.h"
#include "hexout.h"
#include "expr.h"
/* ---------------------------------------- MACROS & TYPES
*/
/* ---------------------------------------- PRIVATE TYPES AND VARS
*/
enum option_t
{
OPT_NULL_BYTE
};
static const ValueTable option_set[]=
{
{"hex-null", OPT_NULL_BYTE},
{NULL}
};
typedef struct
{
int null_byte;
} Options;
static Options options =
{
0
};
/* ---------------------------------------- PRIVATE FUNCTIONS
*/
/* ---------------------------------------- INTERFACES
*/
const ValueTable *HEXOutputOptions(void)
{
return option_set;
}
CommandStatus HEXOutputSetOption(int opt, int argc, char *argv[],
int quoted[], char *err, size_t errsize)
{
CommandStatus stat = CMD_OK;
CMD_ARGC_CHECK(1);
switch(opt)
{
case OPT_NULL_BYTE:
CMD_EXPR(argv[0], options.null_byte);
break;
default:
break;
}
return stat;
}
int HEXOutput(const char *filename, const char *filename_bank,
MemoryBank **bank, int count, char *error, size_t error_size)
{
int f;
for(f = 0; f < count; f++)
{
FILE *fp;
char buff[4096];
const char *name;
Byte *mem;
int r;
if (count == 1)
{
name = filename;
}
else
{
snprintf(buff, sizeof buff, filename_bank, bank[f]->number);
name = buff;
}
if (!(fp = fopen(name, "wb")))
{
snprintf(error, error_size, "Failed to open %s", name);
return FALSE;
}
mem = bank[f]->memory;
for(r = 0; r < 0xffff; r += 16)
{
int n;
int found = 0;
for(n = 0; n < 16 && !found; n++)
{
if (mem[r+n] != options.null_byte)
{
found = 1;
}
}
if (found)
{
Byte csum = 0;
fprintf(fp, ":10%4.4X00", r);
for(n = 0; n < 16; n++)
{
fprintf(fp, "%2.2X", mem[r+n]);
csum += mem[r+n];
}
csum = ~csum;
csum++;
fprintf(fp, "%2.2X\n", csum);
}
}
fprintf(fp, ":00000001FF\n");
fclose(fp);
}
return TRUE;
}
/*
vim: ai sw=4 ts=8 expandtab
*/
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