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B5500: Fixed a bug in setting number of terminal lines on DTC.

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This commit is contained in:
Richard Cornwell
2018-06-05 23:01:38 -04:00
parent d30dd7d768
commit 6652737261
1 changed files with 2 additions and 3 deletions
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5
B5500/b5500_dtc.c
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@@ -786,9 +786,8 @@ t_stat dtc_setnl (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
newln = (int32) get_uint (cptr, 10, DTC_MLINES, &r);
if ((r != SCPE_OK) || (newln == dtc_desc.lines))
return r;
if ((newln == 0) || (newln >= DTC_MLINES))
if ((newln == 0) || (newln > DTC_MLINES))
return SCPE_ARG;
newln--;
if (newln < dtc_desc.lines) {
for (i = newln, t = 0; i < dtc_desc.lines; i++)
t = t | dtc_ldsc[i].conn;
@@ -802,7 +801,7 @@ t_stat dtc_setnl (UNIT *uptr, int32 val, CONST char *cptr, void *desc)
tmxr_detach_ln (&dtc_ldsc[i]); /* completely reset line */
}
}
if (dtc_desc.lines < newln)
if (dtc_desc.lines <= newln)
memset (dtc_ldsc + dtc_desc.lines, 0, sizeof(*dtc_ldsc)*(newln-dtc_desc.lines));
dtc_desc.lines = newln;
return dtc_reset (&dtc_dev); /* setup lines and auto config */