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devamlc updates, major tape bug fixed, opcode 1701 is now illegal (for DBG)

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changed devamlc to always make new connections nonblocking
initialize addrlen in devamlc accept code
added greeting to new amlc connection
This commit is contained in:
Jim
2007-04-07 00:00:00 -04:00
parent 2e6ee3cfe6
commit 5bc7332b1f
2 changed files with 38 additions and 10 deletions
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36
emdev.h
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@@ -310,7 +310,9 @@ int devasr (int class, int func, int device) {
/* ignore SIGTTIN in case the emulator is put in the background */
#ifdef OSX
signal(SIGTTIN, SIG_IGN);
#endif
/* open console log file and set to line buffering */
@@ -1044,14 +1046,14 @@ int devmt (int class, int func, int device) {
if (crs[A] & 0x10) { /* write record */
if (dmxtotnw+dmxnw > MAXTAPEWORDS)
fatal("Tape write is too big");
for (n=dmxnw; n > 0; n--) {
for (i=0; i < dmxnw; i++) {
*iobufp++ = get16r0(dmxaddr+i);
}
dmxtotnw = dmxtotnw + dmxnw;
} else {
if (dmxnw > dmxtotnw)
dmxnw = dmxtotnw;
for (n=dmxnw; n > 0; n--) {
for (i=0; i < dmxnw; i++) {
put16r0(*iobufp++, dmxaddr+i);
}
dmxtotnw = dmxtotnw - dmxnw;
@@ -2192,7 +2194,7 @@ int devamlc (int class, int func, int device) {
write(dc[device].sockfd[lx], "\r\nDisconnecting logged out session\r\n", 36);
close(dc[device].sockfd[lx]);
dc[device].dss &= ~bitmask16[lx+1];
printf("em: closing AMLC line %d on device '%o\n", lx, device);
//printf("em: closing AMLC line %d on device '%o\n", lx, device);
}
IOSKIP;
@@ -2244,6 +2246,7 @@ int devamlc (int class, int func, int device) {
/* check for 1 new terminal connection on each AMLC poll */
addrlen = sizeof(addr);
while ((fd = accept(tsfd, (struct sockaddr *)&addr, &addrlen)) == -1 && errno == EINTR)
;
if (fd == -1) {
@@ -2266,7 +2269,7 @@ int devamlc (int class, int func, int device) {
dc[newdevice].dss |= bitmask16[lx+1];
dc[newdevice].sockfd[lx] = fd;
dc[newdevice].tstate[lx] = TS_DATA;
printf("em: AMLC connection, fd=%d, device='%o, line=%d\n", fd, newdevice, lx);
//printf("em: AMLC connection, fd=%d, device='%o, line=%d\n", fd, newdevice, lx);
break;
}
}
@@ -2276,6 +2279,16 @@ int devamlc (int class, int func, int device) {
close(fd);
} else {
if ((tsflags = fcntl(fd, F_GETFL)) == -1) {
perror("unable to get ts flags for AMLC line");
fatal(NULL);
}
tsflags |= O_NONBLOCK;
if (fcntl(fd, F_SETFL, tsflags) == -1) {
perror("unable to set ts flags for AMLC line");
fatal(NULL);
}
/* these Telnet commands put the connecting telnet client
into character-at-a-time mode and binary mode. Since
these probably display garbage for other connection
@@ -2292,6 +2305,17 @@ int devamlc (int class, int func, int device) {
buf[7] = 251; /* will */
buf[8] = 0; /* binary mode */
write(fd, buf, 9);
strcpy((void *)buf,"\
\r\n\
Welcome to the Prime Computer 50-series emulator, running Primos rev 19.2!\r\n\
After logging in, use the Prime HELP command for assistance.\r\n\
You are welcome to create a directory under GUEST for your files.\r\n\
To report bugs or contact the author, send email to prirun@gmail.com\r\n\
Enjoy your time travels! -Jim Wilcoxson\r\n\
\r\n\
Login please.\r\n\
OK, ");
write(fd, buf, strlen((void *)buf));
}
}
@@ -2420,7 +2444,7 @@ int devamlc (int class, int func, int device) {
/* see similar code above */
close(dc[device].sockfd[lx]);
dc[device].dss &= ~bitmask16[lx+1];
printf("Closing AMLC line %d on device '%o\n", lx, device);
//printf("em: closing AMLC line %d on device '%o\n", lx, device);
} else {
perror("Reading AMLC");
}
@@ -3187,7 +3211,7 @@ xmitdone:
socktoline[fd].line = lx;
dc[newdevice].dss |= bitmask16[lx+1];
dc[newdevice].sockfd[lx] = fd;
printf("em: AMLC connection, fd=%d, device='%o, line=%d\n", fd, newdevice, lx);
//printf("em: AMLC connection, fd=%d, device='%o, line=%d\n", fd, newdevice, lx);
break;
}
if (!newdevice) {