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Fixed bug in save command. The issue is that attached units which are buffered in memory should also be flushed to storage as part of the save operation to make all the components of the save 'snapshot' consistent.

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This commit is contained in:
Mark Pizzolato 2012-02-02 07:30:40 -08:00
parent 9b5750f6a8
commit 5efd8fe1b5
1 changed files with 11 additions and 1 deletions
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12
scp.c
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@ -2725,8 +2725,18 @@ for (i = 0; (dptr = sim_devices[i]) != NULL; i++) { /* loop thru devices */
WRITE_I (uptr->u6);
WRITE_I (uptr->flags); /* [V2.10] flags */
WRITE_I (uptr->capac); /* [V3.5] capacity */
if (uptr->flags & UNIT_ATT)
if (uptr->flags & UNIT_ATT) {
fputs (uptr->filename, sfile);
if ((uptr->flags & UNIT_BUF) && /* writable buffered */
uptr->hwmark && /* files need to be */
((uptr->flags & UNIT_RO) == 0)) { /* written on save */
uint32 cap = (uptr->hwmark + dptr->aincr - 1) / dptr->aincr;
rewind (uptr->fileref);
sim_fwrite (uptr->filebuf, SZ_D (dptr), cap, uptr->fileref);
fclose (uptr->fileref); /* flush data and state */
uptr->fileref = sim_fopen (uptr->filename, "rb+");/* reopen r/w */
}
}
fputc ('\n', sfile);
if (((uptr->flags & (UNIT_FIX + UNIT_ATTABLE)) == UNIT_FIX) &&
(dptr->examine != NULL) &&