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3b2: Fix for overwriting kernel memory

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This commit is contained in:
Seth Morabito
2018-08-18 20:46:37 -07:00
parent c833c933ed
commit 5ae2e4c49d
6 changed files with 91 additions and 34 deletions
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8
3B2/3b2_cpu.c
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@@ -932,7 +932,7 @@ t_stat fprint_sym_m(FILE *of, t_addr addr, t_value *val)
fprintf(of, "&0x%x", w);
break;
default:
fprintf(of, "%d(%%fp)", reg);
fprintf(of, "%d(%%fp)", (int8) reg);
break;
}
break;
@@ -943,7 +943,7 @@ t_stat fprint_sym_m(FILE *of, t_addr addr, t_value *val)
fprintf(of, "$0x%x", w);
break;
default:
fprintf(of, "%d(%%ap)", reg);
fprintf(of, "%d(%%ap)", (int8) reg);
break;
}
break;
@@ -970,12 +970,12 @@ t_stat fprint_sym_m(FILE *of, t_addr addr, t_value *val)
case 12: /* Byte Displacement */
OP_R_B(w, val, vp);
cpu_register_name(reg, reg_name, 8);
fprintf(of, "%d(%s)", w, reg_name);
fprintf(of, "%d(%s)", (int8) w, reg_name);
break;
case 13: /* Byte Displacement Deferred */
OP_R_B(w, val, vp);
cpu_register_name(reg, reg_name, 8);
fprintf(of, "*%d(%s)", w, reg_name);
fprintf(of, "*%d(%s)", (int8) w, reg_name);
break;
case 14:
if (reg == 15) {