Notes For V3.8

The makefile now works for Linux and most Unix's. Howevr, for Solaris
and MacOS, you must first export the OSTYPE environment variable:

> export OSTYPE
> make

Otherwise, you will get build errors.

1. New Features

1.1 3.8-0

1.1.1 SCP and Libraries

- BREAK, NOBREAK, and SHOW BREAK with no argument will set, clear, and
  show (respectively) a breakpoint at the current PC.

1.1.2 GRI

- Added support for the GRI-99 processor.

1.1.3 HP2100

- Added support for the BACI terminal interface.
- Added support for RTE OS/VMA/EMA, SIGNAL, VIS firmware extensions.

1.1.4 Nova

- Added support for 64KW memory (implemented in third-party CPU's).

1.1.5 PDP-11

- Added support for DC11, RC11, KE11A, KG11A.
- Added modem control support for DL11.
- Added ASCII character support for all 8b devices.

1.2 3.8-1

1.2.1 SCP and libraries

- Added capability to set line connection order for terminal multiplexers.

1.2.2 HP2100

- Added support for 12620A/12936A privileged interrupt fence.
- Added support for 12792C eight-channel asynchronous multiplexer.

2. Bugs Fixed

Please see the revision history on http://simh.trailing-edge.com or
in the source module sim_rev.h.

sim_timer.h

@@ -1,6 +1,6 @@
 /* sim_timer.h: simulator timer library headers
 
-   Copyright (c) 1993-2007, Robert M Supnik
+   Copyright (c) 1993-2008, 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"),
@@ -36,6 +36,9 @@
 
 #define SIM_IDLE_CAL    10                              /* ms to calibrate */
 #define SIM_IDLE_MAX    10                              /* max granularity idle */
+#define SIM_IDLE_STMIN  10                              /* min sec for stability */
+#define SIM_IDLE_STDFLT 20                              /* dft sec for stability */
+#define SIM_IDLE_STMAX  600                             /* max sec for stability */
 
 #define SIM_THROT_WINIT 1000                            /* cycles to skip */
 #define SIM_THROT_WST   10000                           /* initial wait */