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VAX750: Avoid unit array overrun during TU58 init when only 1 unit exists.

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As discussed in #546
This commit is contained in:
Mark Pizzolato 2018-04-02 09:38:27 -07:00
parent a92dc610a4
commit e7e1a9cc2c
1 changed files with 3 additions and 1 deletions
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4
PDP11/pdp11_td.c
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@ -456,6 +456,8 @@ OP CODE 11 (Resened)
#include "pdp11_td.h"
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
/* DL Definitions */
/* registers */
@ -994,7 +996,7 @@ switch (opcode) {
break;
case TD_OPINI:
for (unit=0; unit < 2; unit++)
for (unit=0; unit < MIN(ctlr->dptr->numunits, 2); unit++)
sim_cancel (ctlr->uptr+unit);
ctlr->ibptr = 0;
ctlr->obptr = 0;