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PDP11, VAX: Warn when deliberately or inadvertently disabling auto config

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This commit is contained in:
Mark Pizzolato 2020-05-31 12:18:33 -07:00
parent eaa3df5812
commit 412e4db1b3
1 changed files with 16 additions and 2 deletions
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18
PDP11/pdp11_io_lib.c
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@ -68,7 +68,21 @@ t_stat set_autocon (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
{
if (cptr != NULL)
return SCPE_ARG;
if (autcon_enb == val)
return SCPE_OK;
autcon_enb = val;
if (autcon_enb == 0) {
sim_messagef (SCPE_OK, "Device auto configuration is now disabled.\n");
sim_messagef (SCPE_OK, "Explicitly setting any address or vector value tells the system\n");
sim_messagef (SCPE_OK, "that you are planning a specific configuration that may not use\n");
sim_messagef (SCPE_OK, "use standard values. You must explcitly specify bus address and\n");
sim_messagef (SCPE_OK, "vector values for any device you enable or otherwise add to the\n");
sim_messagef (SCPE_OK, "system configuration after this message is issued. Changing the\n");
sim_messagef (SCPE_OK, "number of lines on a terminal multiplexer is such a change.\n");
sim_messagef (SCPE_OK, "To avoid complexities dealing with this, it is recommended that\n");
sim_messagef (SCPE_OK, "you configure all devices which can use standard addresses before\n");
sim_messagef (SCPE_OK, "changing the address or vector for an unusual device situation.\n");
}
return auto_config (NULL, 0);
}
@ -107,7 +121,7 @@ if ((newba <= IOPAGEBASE) || /* > IO page base? */
(newba % ((uint32) val))) /* check modulus */
return SCPE_ARG;
dibp->ba = newba; /* store */
autcon_enb = 0; /* autoconfig off */
set_autocon (NULL, 0, NULL, NULL); /* autoconfig off */
return SCPE_OK;
}
@ -201,7 +215,7 @@ if ((r != SCPE_OK) ||
(newvec & ((dibp->vnum > 1)? 07: 03))) /* properly aligned value? */
return SCPE_ARG;
dibp->vec = newvec;
autcon_enb = 0; /* autoconfig off */
set_autocon (NULL, 0, NULL, NULL); /* autoconfig off */
return SCPE_OK;
}