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NOVA: Fixed missing break in loader & overlook case in address parse (COVERITY)

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Bob Supnik 2017-03-09 19:47:50 -08:00 • committed by Mark Pizzolato
parent 97a11f2b05
commit 396dd88def
1 changed files with 26 additions and 22 deletions
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12
NOVA/nova_sys.c
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@ -1,6 +1,6 @@
/* nova_sys.c: NOVA simulator interface /* nova_sys.c: NOVA simulator interface
Copyright (c) 1993-2012, Robert M. Supnik Copyright (c) 1993-2017, Robert M. Supnik
Permission is hereby granted, free of charge, to any person obtaining a Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"), copy of this software and associated documentation files (the "Software"),
@ -23,9 +23,11 @@
used in advertising or otherwise to promote the sale, use or other dealings used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from Robert M Supnik. in this Software without prior written authorization from Robert M Supnik.
09-Mar-17 RMS Fixed missing break in loader (COVERITY)
Fixed overlook case in address parse (COVERITY)
25-Mar-12 RMS Fixed declaration (Mark Pizzolato) 25-Mar-12 RMS Fixed declaration (Mark Pizzolato)
04-Jul-07 BKR DEC's IOF/ION changed to DG's INTDS/INTEN mnemonic, 04-Jul-07 BKR DEC's IOF/ION changed to DG's INTDS/INTEN mnemonic,
Fixed QTY/ADCV device name, Fixed QTY/ADCV device name
RDSW changed to DDG's READS mnemonic, RDSW changed to DDG's READS mnemonic,
fixed/enhanced 'load' command for DG-compatible binary tape format fixed/enhanced 'load' command for DG-compatible binary tape format
26-Mar-04 RMS Fixed warning with -std=c99 26-Mar-04 RMS Fixed warning with -std=c99
@ -205,7 +207,6 @@ for ( pos = 0 ; (! done) && ((i=getc(fileref)) != EOF) ; ++pos )
origin = i; origin = i;
state = 3; state = 3;
break; break;
case 3: /* high origin */ case 3: /* high origin */
origin = (i << 8) | origin; origin = (i << 8) | origin;
csum = csum + origin; csum = csum + origin;
@ -235,7 +236,9 @@ for ( pos = 0 ; (! done) && ((i=getc(fileref)) != EOF) ; ++pos )
{ {
/* 'ignore' block */ /* 'ignore' block */
state = 8; state = 8;
break;
} }
/* 'data' or 'repeat' block */ /* 'data' or 'repeat' block */
count = 0200000 - count ; count = 0200000 - count ;
if ( count <= 020 ) if ( count <= 020 )
@ -267,7 +270,7 @@ for ( pos = 0 ; (! done) && ((i=getc(fileref)) != EOF) ; ++pos )
data = (i << 8) | data; data = (i << 8) | data;
csum = (csum + data) & 0xFFFF; csum = (csum + data) & 0xFFFF;
if (origin >= AMASK /* MEMSIZE? */) if (origin >= AMASK)
return SCPE_NXM; return SCPE_NXM;
M[origin] = data; M[origin] = data;
origin = origin + 1; origin = origin + 1;
@ -879,6 +882,7 @@ if (*cptr == '@') { /* indirect? */
if (*cptr == '.') { /* relative? */ if (*cptr == '.') { /* relative? */
pflag = pflag | A_PER; pflag = pflag | A_PER;
x = 1; /* "index" is PC */ x = 1; /* "index" is PC */
d = 0; /* default disp is 0 */
cptr++; cptr++;
} }
if (*cptr == '+') { /* + sign? */ if (*cptr == '+') { /* + sign? */