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Corrected CREP and RTN based on CPUT4 T&M

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This commit is contained in:
Jim 2011-08-01 18:08:14 -04:00
parent efe90b9abb
commit cefc0e64e8
1 changed files with 6 additions and 5 deletions
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11
em.c
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@ -6298,10 +6298,11 @@ d_nrm: /* 000101 */
d_rtn: /* 000105 */
TRACE(T_FLOW, " RTN\n");
utempa = get16(crs[S]+1);
if (utempa == 0)
fatal("RTN stack underflow");
crs[S] = get16(crs[S]);
utempa = get16(crs[S]);
RPL = get16(utempa+1);
if (RPL == 0)
fault(STACKFAULT, 0, 0);
crs[S] = utempa;
goto fetch;
/* unusual instructions */
@ -9646,7 +9647,7 @@ d_pcl: /* 01002 (V-mode) */
d_crep: /* 01002 (R-mode) */
TRACE(T_FLOW, " CREP\n");
put16t(RPL,crs[S]++);
put16t(RPL,crs[S]+1);
RPL = ea;
goto fetch;