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.

PDP11/pdp11_rl.c

@@ -1,6 +1,6 @@
 /* pdp11_rl.c: RL11 (RLV12) cartridge disk simulator
 
-   Copyright (c) 1993-2008, Robert M Supnik
+   Copyright (c) 1993-2009, 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 @@
 
    rl           RL11(RLV12)/RL01/RL02 cartridge disk
 
+   10-Oct-09    RMS     Added debug support
    22-Sep-05    RMS     Fixed declarations (from Sterling Garwood)
    16-Aug-05    RMS     Fixed C++ declaration and cast problems
    07-Jul-05    RMS     Removed extraneous externs
@@ -192,6 +193,7 @@ extern uint32 cpu_opt;
 #define RLBAE_IMP       0000077                         /* implemented */
 
 extern int32 int_req[IPL_HLVL];
+extern FILE *sim_deb;
 
 uint16 *rlxb = NULL;                                    /* xfer buffer */
 int32 rlcs = 0;                                         /* control/status */
@@ -283,7 +285,7 @@ DEVICE rl_dev = {
     RL_NUMDR, DEV_RDX, 24, 1, DEV_RDX, 16,
     NULL, NULL, &rl_reset,
     &rl_boot, &rl_attach, NULL,
-    &rl_dib, DEV_DISABLE | DEV_UBUS | DEV_QBUS
+    &rl_dib, DEV_DEBUG | DEV_DISABLE | DEV_UBUS | DEV_QBUS
     };
 
 /* I/O dispatch routines, I/O addresses 17774400 - 17774407
@@ -333,6 +335,9 @@ switch ((PA >> 1) & 07) {                               /* decode PA<2:1> */
         break;
         }                                               /* end switch */
 
+if (DEBUG_PRS (rl_dev))
+    fprintf (sim_deb, ">>RL read: reg%d=%o\n", (PA >> 1) & 07, *data);
+
 return SCPE_OK;
 }
 
@@ -341,6 +346,9 @@ t_stat rl_wr (int32 data, int32 PA, int32 access)
 int32 curr, offs, newc, maxc;
 UNIT *uptr;
 
+if (DEBUG_PRS (rl_dev))
+    fprintf (sim_deb, ">>RL write: reg%d=%o\n", (PA >> 1) & 07, data);
+
 switch ((PA >> 1) & 07) {                               /* decode PA<2:1> */
 
     case 0:                                             /* RLCS */