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I1620: Fixed bug in select index A (COVERITY)

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This commit is contained in:
Bob Supnik
2018-06-05 13:38:17 -07:00
committed by Mark Pizzolato
parent adc347c15f
commit e5b8139f2a
1 changed files with 6 additions and 3 deletions
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9
I1620/i1620_cpu.c
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@@ -1,6 +1,6 @@
/* i1620_cpu.c: IBM 1620 CPU simulator
Copyright (c) 2002-2017, Robert M. Supnik
Copyright (c) 2002-2018, Robert M. Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
@@ -26,6 +26,7 @@
This CPU module incorporates code and comments from the 1620 simulator by
Geoff Kuenning, with his permission.
05-Jun-18 RMS Fixed bug in select index A (COVERITY)
23-Jun-17 RMS BS should not enable indexing unless configured
15-Jun-17 RMS Added more information to IO in progress message
26-May-17 RMS Added deferred IO mode for slow devices
@@ -970,12 +971,14 @@ while (reason == SCPE_OK) { /* loop until halted */
idxe = idxb = 0; /* indexing off */
break;
case 1:
if ((cpu_unit.flags & IF_IDX) != 0) /* indexing present? */
if ((cpu_unit.flags & IF_IDX) != 0) { /* indexing present? */
idxe = 1; idxb = 0; /* index band A */
}
break;
case 2:
if ((cpu_unit.flags & IF_IDX) != 0) /* indexing present? */
if ((cpu_unit.flags & IF_IDX) != 0) { /* indexing present? */
idxe = idxb = 1; /* index band B */
}
break;
case 8:
iae = 0; /* indirect off */