A large commit.

[pdp8.git] / sw / dumprest / original / restrx01.c

diff --git a/sw/dumprest/original/restrx01.c b/sw/dumprest/original/restrx01.c
new file mode 100644 (file)
index 0000000..1d5f935
--- /dev/null
+++ b/sw/dumprest/original/restrx01.c
@@ -0,0 +1,148 @@
+/* This program sends an rx01 image out the serial port to the PDP8 restore
+   program.  It will prompt for the file to send or use first command
+   line argument.  It needs a config file dumprest.cfg or $HOME/.dumprest.cfg
+   with the format defined in config.c
+
+   The PDP8 end should be running before this program is started
+
+   On the PC ctrl-break will terminate the program
+*/
+#ifdef PC
+#include "encom.h"
+#else
+#include <termios.h>
+#include <unistd.h>
+#include <memory.h>
+#endif
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <time.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define ARRAYSIZE(a) (sizeof(a) / sizeof(a[0]))
+
+int terminate = 0;
+
+#include "config.c"
+#include "comm.c"
+
+main(argc,argv)
+   int argc;
+   char *argv[];
+{
+   int fd;
+   FILE *in;
+   char filename[256];
+   char serial_dev[256];
+   long baud;
+   int two_stop;
+   unsigned char buf[3];
+   unsigned char temp[256];
+   int sect,scnt,track;
+   unsigned int chksum = 0;
+   int cntr;
+   int interleave = 2;
+   int size_flag;
+   int sector_size;
+
+   setup_config(&baud,&two_stop,serial_dev);
+
+   if (argc > 1) {
+      strcpy(filename,argv[1]);
+   } else {
+      printf("Enter file name to send\n");
+      fflush(stdout);
+      scanf("%s",filename);
+   }
+
+#ifdef PC
+   in = fopen(filename,"rb");
+#else
+   in = fopen(filename,"r");
+#endif
+   if (in == NULL) {
+      fprintf(stderr,"On file %s ",filename);
+      perror("open failed");
+      exit(1);
+   }
+
+   fseek(in, 512511L, SEEK_SET);
+   if (fread(temp,1,1,in) == 1) {
+      interleave = 3;
+      printf("Sending double density disk image (RX02)\n");
+      size_flag = 044;
+      sector_size = 256;
+   } else {
+      interleave = 2;
+      printf("Sending single density disk image (RX01)\n");
+      size_flag = 022;
+      sector_size = 128;
+   }
+
+
+#if 0
+      /* For testing write to file, only works in unix version */
+   fd = open("dat",O_RDWR | O_CREAT | O_TRUNC,0666);
+   if (fd < 0) {
+      perror("Open failed on dat");
+      exit(1);
+   }
+#else
+   fd = init_comm(serial_dev,baud,two_stop);
+#endif
+
+   buf[0] = size_flag;
+   ser_write(fd,(char *)buf,1);
+   chksum = buf[0];
+
+   sect = 1;
+   track = 0;
+   scnt = 0;
+   while(!terminate) {
+      if (track > 76) {
+         buf[0] = 0xfe;
+         chksum += buf[0];
+         chksum = -chksum;
+         buf[1] = chksum;
+         ser_write(fd,(char *)buf,2);
+         printf("\nDone\n");
+         exit(0);
+      } else {
+        buf[0] = 0xff;
+        chksum += buf[0];
+        ser_write(fd,(char *)buf,1);
+      }
+      fseek(in, (track*26L + sect - 1) * sector_size, SEEK_SET);
+      if (fread(temp,sector_size,1,in) != 1) {
+         perror("Fread failed");
+         exit(1);
+      }
+      for (cntr = 0; cntr < sector_size; cntr++)
+         chksum += temp[cntr];
+      buf[0] = track;
+      buf[1] = sect;
+      chksum += buf[0];
+      chksum += buf[1];
+      ser_write(fd,(char *)buf,2);
+      ser_write(fd,(char *)temp,sector_size);
+
+      sect += interleave;
+      if (sect > 26)
+         sect -= 26;
+      if (sect == 1)
+         sect++;
+
+      scnt++;
+      if (scnt >= 26) {
+         printf("Track %d\r",track);
+         fflush(stdout);
+         track++;
+         sect = 1;
+         scnt = 0;
+      }
+   }
+   return 1;
+}