Notes For V3.8

The makefile now works for Linux and most Unix's. However, 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.

1.3 3.8-2

1.3.1 1401

- Added "no rewind" option to magtape boot.

1.3.2 PDP-11

- Added RD32 support to RQ
- Added debug support to RL

1.3.3 PDP-8

- Added FPP support (many thanks to Rick Murphy for debugging the code)

2. Bugs Fixed

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

H316/h316_cpu.c

@@ -1,6 +1,6 @@
 /* h316_cpu.c: Honeywell 316/516 CPU simulator
 
-   Copyright (c) 1999-2008, Robert M. Supnik
+   Copyright (c) 1999-2010, 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"),
@@ -25,6 +25,7 @@
 
    cpu          H316/H516 CPU
 
+   10-Jan-10    RMS     Fixed bugs in LDX, STX introduced in 3.8-1 (from Theo Engel)
    28-Apr-07    RMS     Removed clock initialization
    03-Apr-06    RMS     Fixed bugs in LLL, LRL (from Theo Engel)
    22-Sep-05    RMS     Fixed declarations (from Sterling Garwood)
@@ -614,13 +615,13 @@ switch (I_GETOP (MB)) {                                 /* case on <1:6> */
         break;
 
     case 015: case 055:                                 /* STX */
-        if (reason = Ea (MB, &Y))                       /* eff addr */
+        if (reason = Ea (MB & ~IDX, &Y))                /* eff addr */
             break;
         Write (Y, XR);                                  /* store XR */
         break;
 
     case 035: case 075:                                 /* LDX */
-        if (reason = Ea (MB, &Y))                       /* eff addr */
+        if (reason = Ea (MB & ~IDX, &Y))                /* eff addr */
             break;
         XR = Read (Y);                                  /* load XR */
         break;