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I1620: Changed fprint_val to handle undefined opcodes on stops

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Bob Supnik 2017-05-21 21:39:10 -07:00 • committed by Mark Pizzolato
parent 2d46b5361f
commit ec9c746ca7
1 changed files with 8 additions and 2 deletions
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10
I1620/i1620_sys.c
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@ -1,6 +1,6 @@
/* i1620_sys.c: IBM 1620 simulator interface /* i1620_sys.c: IBM 1620 simulator interface
Copyright (c) 2002-2015, Robert M. Supnik Copyright (c) 2002-2017, 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"),
@ -23,6 +23,7 @@
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.
18-May-17 RMS Changed fprint_val to handle undefined opcodes on stops
19-Mar-12 RMS Fixed declaration of CCT (Mark Pizzolato) 19-Mar-12 RMS Fixed declaration of CCT (Mark Pizzolato)
*/ */
@ -388,8 +389,13 @@ for (i = 0; opcode[i].str != NULL; i++) { /* find opcode */
((opfl != I_1E) && (opfl != I_0E)))) ((opfl != I_1E) && (opfl != I_0E))))
break; break;
} }
if (opcode[i].str == NULL) if (opcode[i].str == NULL) { /* invalid opcode */
if ((sw & SIM_SW_STOP) != 0) { /* stop message? */
fprintf (of, "%02d", op); /* print numeric opcode */
return -(INST_LEN - 1); /* report success */
}
return SCPE_ARG; return SCPE_ARG;
}
if (I_GETQP (opfl) == I_M_QNP) /* Q no print? */ if (I_GETQP (opfl) == I_M_QNP) /* Q no print? */
qmp = 0; qmp = 0;