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Added internal help for the vax_watch watch chip simulator and added a missing register declaration for the watch mode

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This commit is contained in:
Mark Pizzolato 2013-01-30 07:33:24 -08:00
parent 8df4b94e7f
commit e2fb3649e4
1 changed files with 16 additions and 1 deletions
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17
VAX/vax_watch.c
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@ -63,6 +63,7 @@ int32 wtc_mode = WTC_MODE_VMS;
t_stat wtc_set (UNIT *uptr, int32 val, char *cptr, void *desc);
t_stat wtc_show (FILE *st, UNIT *uptr, int32 val, void *desc);
t_stat wtc_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr);
char *wtc_description (DEVICE *dptr);
t_stat wtc_reset (DEVICE *dptr);
void wtc_set_valid (void);
@ -75,6 +76,7 @@ REG wtc_reg[] = {
{ HRDATA (CSRB, wtc_csrb, 8) },
{ HRDATA (CSRC, wtc_csrc, 8) },
{ HRDATA (CSRD, wtc_csrd, 8) },
{ HRDATA (MODE, wtc_mode, 8) },
{ NULL }
};
@ -88,7 +90,7 @@ DEVICE wtc_dev = {
1, 16, 16, 1, 16, 8,
NULL, NULL, &wtc_reset,
NULL, NULL, NULL,
NULL, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, 0, 0, NULL, NULL, NULL, &wtc_help, NULL, NULL,
&wtc_description
};
@ -216,6 +218,19 @@ void wtc_set_invalid (void)
wtc_csrd &= ~WTC_CSRD_VRT;
}
t_stat wtc_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, char *cptr)
{
fprintf (st, "Watch Chip (WTC)\n\n");
fprintf (st, "The WTC simulates the MC146818 watch chip. It recognizes the following options:\n\n");
fprintf (st, " SET WTC TIME=STD standard time mode\n");
fprintf (st, " SET WTC TIME=VMS VMS time mode\n\n");
fprintf (st, "When running in standard mode the current year reported by the watch chip is\n");
fprintf (st, "determined by the date/time of the host system. When running in VMS mode the\n");
fprintf (st, "year is fixed at 1982, which is one of the conditions VMS expects in order to\n");
fprintf (st, "verify that the time reported is valid. The default mode is VMS.\n\n");
return SCPE_OK;
}
char *wtc_description (DEVICE *dptr)
{
return "watch chip";