Subversion Repositories kiss-board

#include <stdio.h>

#include <stdlib.h>

#define SMARK "S214"

#define SADDR 0x000000

#define INIT_ADDR 0x100100

#define SCHKSUM 0xff

int main(int argc, char **argv)

{

        FILE  *fd;

        int c, j;

        unsigned long addr = INIT_ADDR;

        unsigned char chksum;

        if(argc < 2) {

                fprintf(stderr,"no input file specified\n");

                exit(1);

        }

        if(argc > 2) {

                fprintf(stderr,"too many input files (more than one) specified\n");

                exit(1);

        }

        fd = fopen( argv[1], "r" );

        if (fd == NULL) {

                fprintf(stderr,"failed to open input file: %s\n",argv[1]);

                exit(1);

        }

        while (!feof(fd)) {

                j = 0;

                chksum = SCHKSUM;

                printf("%s%.6lx", SMARK, addr);

                while (j < 16) {

                        c = fgetc(fd);

                        if (c == EOF) {

                                c = 0;

                        }

                        printf("%.2x", c);

                        chksum -= c;

                        j++;

                }

                chksum -= addr & 0xff;

                chksum -= (addr >> 8) & 0xff;

                chksum -= (addr >> 16) & 0xff;

                chksum -= 0x14;

                printf("%.2x\r\n", chksum);

                addr += 16;

        }

        return 0;

}