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pdp11_dmc - Update from Rob Jarratt

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Don't do anything if not attached. Fix issue #28
	If attach when already attached then detach first.
	Error checking for already attached in dmc_settype() fixed.
This commit is contained in:
Mark Pizzolato 2013-01-25 14:55:11 -08:00
parent cbe11147fc
commit 7345b00787
1 changed files with 8 additions and 1 deletions
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9
PDP11/pdp11_dmc.c
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@ -28,6 +28,8 @@
Modification history: Modification history:
25-Jan-13 RJ Error checking for already attached in dmc_settype() fixed.
25-Jan-13 RJ If attach when already attached then detach first.
23-Jan-13 RJ Don't do anything if not attached. See https://github.com/simh/simh/issues/28 23-Jan-13 RJ Don't do anything if not attached. See https://github.com/simh/simh/issues/28
23-Jan-13 RJ Clock co-scheduling move to generic framework (from Mark Pizzolato) 23-Jan-13 RJ Clock co-scheduling move to generic framework (from Mark Pizzolato)
21-Jan-13 RJ Added help. 21-Jan-13 RJ Added help.
@ -674,7 +676,7 @@ t_stat dmc_settype (UNIT* uptr, int32 val, char* cptr, void* desc)
CTLR *controller = dmc_get_controller_from_unit(uptr); CTLR *controller = dmc_get_controller_from_unit(uptr);
if (!cptr) return SCPE_IERR; if (!cptr) return SCPE_IERR;
if (UNIT_ATT) return SCPE_ALATT; if (dmc_is_attached(uptr)) return SCPE_ALATT;
if (sscanf(cptr, "%s", buf) != 1) if (sscanf(cptr, "%s", buf) != 1)
{ {
status = SCPE_ARG; status = SCPE_ARG;
@ -2387,6 +2389,11 @@ t_stat dmc_attach (UNIT *uptr, char *cptr)
CTLR *controller = dmc_get_controller_from_unit(uptr); CTLR *controller = dmc_get_controller_from_unit(uptr);
t_stat ans = SCPE_OK; t_stat ans = SCPE_OK;
if (dmc_is_attached(uptr))
{
dmc_detach(uptr);
}
ans = dmc_open_master_socket(controller, cptr); ans = dmc_open_master_socket(controller, cptr);
if (ans == SCPE_OK) if (ans == SCPE_OK)
{ {