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PDP11: Addition of option to disable BEVENT for 11/03 and 11/23 CPUs (Bob Supnik's latest state).

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This commit is contained in:
Mark Pizzolato
2015-12-30 12:01:58 -08:00
parent ac837e5be2
commit 59947e8ceb
5 changed files with 23 additions and 11 deletions
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8
PDP11/pdp11_stddev.c
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@@ -1,6 +1,6 @@
/* pdp11_stddev.c: PDP-11 standard I/O devices simulator
Copyright (c) 1993-2012, Robert M Supnik
Copyright (c) 1993-2015, Robert M Supnik
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
@@ -26,6 +26,7 @@
tti,tto DL11 terminal input/output
clk KW11L (and other) line frequency clock
30-Dec-15 RMS Added NOBEVENT support
18-Apr-12 RMS Modified to use clock coscheduling
20-May-08 RMS Standardized clock delay at 1mips
18-Jun-07 RMS Added UNIT_IDLE flag to console input, clock
@@ -473,7 +474,10 @@ t_stat clk_reset (DEVICE *dptr)
sim_register_clock_unit (&clk_unit); /* declare clock unit */
if (CPUT (HAS_LTCR)) /* reg there? */
clk_fie = clk_fnxm = 0;
else clk_fie = clk_fnxm = 1; /* no, BEVENT */
else {
clk_fnxm = 1; /* no LTCR, set nxm */
clk_fie = CPUO (OPT_BVT); /* ie = 1 unless no BEVENT */
}
clk_tps = clk_default; /* set default tps */
clk_csr = CSR_DONE; /* set done */
CLR_INT (CLK);