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#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include "vid.h"
#define sec2blk(x) ((x) * 2)
main(int argc, char **argv)
{
struct vid *pvid;
struct cfg *pcfg;
struct stat stat;
int exe_file;
int tape_vid;
int tape_exe;
unsigned int exe_addr;
unsigned short exe_addr_u;
unsigned short exe_addr_l;
char *filename;
char fileext[256];
if (argc == 0){
filename = "a.out";
} else {
filename = argv[1];
}
exe_file = open(filename, O_RDONLY,0444);
if (exe_file == -1)
{
printf("file %s does not exist\n",filename);
exit(2);
}
sprintf (fileext,"%s%s",filename,".1");
tape_vid = open(fileext, O_WRONLY|O_CREAT|O_TRUNC,0644);
sprintf (fileext,"%s%s",filename,".2");
tape_exe = open(fileext, O_WRONLY|O_CREAT|O_TRUNC,0644);
pvid = (struct vid *) malloc(sizeof (struct vid));
memset(pvid,0,sizeof(struct vid));
strcpy(pvid->vid_id, "NBSD");
fstat (exe_file,&stat);
/* size in 512 byte blocks round up after a.out header removed */
/* Actually, blocks == 256 bytes */
pvid->vid_oss = 1;
pvid->vid_osl = (short)sec2blk((stat.st_size - 0x20 + 511) / 512);
lseek(exe_file,0x14,SEEK_SET);
read(exe_file,&exe_addr,4);
{
union {
struct {
short osa_u;
short osa_l;
} osa_u_l;
int osa;
} u;
u.osa = exe_addr;
pvid->vid_osa_u = u.osa_u_l.osa_u;
pvid->vid_osa_l = u.osa_u_l.osa_l;
}
pvid->vid_cas = 1;
pvid->vid_cal = 1;
/* do not want to write past end of structure, not null terminated */
strcpy(pvid->vid_mot,"MOTOROL");
pvid->vid_mot[7] = 'A';
write(tape_vid,pvid,sizeof(struct vid));
free(pvid);
pcfg = (struct cfg *) malloc (sizeof(struct cfg));
memset(pcfg,0,sizeof(struct cfg));
pcfg->cfg_rec = 0x100;
pcfg->cfg_psm = 0x200;
write(tape_vid,pcfg,sizeof(struct cfg));
free(pcfg);
copy_exe(exe_file,tape_exe);
close (exe_file);
close (tape_vid);
close (tape_exe);
}
#define BUF_SIZ 512
copy_exe(exe_file,tape_exe)
{
char *buf;
int cnt = 0;
buf = (char *)malloc (BUF_SIZ);
lseek (exe_file,0x20,SEEK_SET);
while (BUF_SIZ == (cnt = read(exe_file, buf , BUF_SIZ))) {
write (tape_exe,buf,cnt);
}
memset (&buf[cnt],0,BUF_SIZ-cnt);
write (tape_exe,buf,BUF_SIZ);
}
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