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Move GDBtk's ``ln -s ... gdbtcl'' code out of configure.
[thirdparty/binutils-gdb.git] / sim / erc32 / ChangeLog
CommitLineData
d4f3574e
SS		 1Thu Sep 2 18:15:53 1999 Andrew Cagney <cagney@b1.cygnus.com>
2
3 * configure: Regenerated to track ../common/aclocal.m4 changes.
4
cd0fc7c3
SS		 51999-05-08 Felix Lee <flee@cygnus.com>
6
7 * configure: Regenerated to track ../common/aclocal.m4 changes.
8
7a292a7a
SS		 91999-03-03 DJ Delorie <dj@cygnus.com>
10
11 * configure.in: add termcap and -luser32 for host=cygwin
12 * configure: regenerate
13
c906108c
SS		 141999-02-11 Hugo Tyson <hmt@cygnus.co.uk>
15
16 * exec.c (dispatch_instruction):
17 Correct the sense of the
18 if (!sparclite) {
19 sregs->trap = TRAP_UNIMP;
20 break;
21 }
22 clause that has been pasted around: it's correct in the SCAN and
23 DIVScc (divide step) cases (where it was probably originally
24 written?), but reversed in the SDIV, SDIVcc, UDIV, UDIVcc cases
25 ie. instructions only in the SPARC V8 or SPARClite 86x
26 architectures. It was also present when not required for SMUL,
27 SMULcc, UMUL, UMULcc instructions that are present in all
28 architectures.
29
301999-01-25 Hugo Tyson <hmt@cygnus.co.uk>
31
32 * interf.c (run_sim): Fix a bug in the main loop's handling of
33 annulled delay slot instructions. There is precedent for this
34 change; the _other_ main loop in sis.c gets it right according to
35 my reading of the code.
36
37 The bug is: if an interrupt happens when the next instruction
38 (at sregs->pc) is annulled, the trap is taken (by execute_trap())
39 with the current values of PC and NPC, so when the trap returns,
40 the annulled instruction is indeed executed. Another giveaway is
41 that the annul flag is cleared in execute_trap(): the information
42 is demonstrably discarded.
43
44 The solution is: perform annulling before looking for traps, in
45 fact it's neater to do annulling, see if there's an interrupt and
46 if not, do the instruction, then handle traps be they generated by
47 interrupts pending or by the instruction we might just have done.
48 That's what the sis.c one does.
49
501999-01-20 Hugo Tyson <hmt@cygnus.co.uk>
51
52 * sis.h: Add asr17 register for support of SparcLITE (at least the
53 Hitachi ones I find before me)
54
55 * exec.c (dispatch_instruction): Case WRY: Allow write of asr17 if
56 sparclite. Other ASR numbers than 17 or 0 (Y) trap out.
57 Case RDY: Allow read of asr17 if sparclite. Other ASRs ditto.
58 (execute_trap): Do single-vector-trapping if asr17 bit 0 is set.
59 (init_regs): Initialize y and asr17.
60 NB: In instruction-set space, the Y register is asr0; the
61 instructions have different names for human reasons only.
62
63 * sis.c:
64 * interf.c: Set boolean mode variable dumbio if invoked with
65 argument "-dumbio" and mention it of verbose.
66 * erc32.c: if "dumbio" is set, do not assume that there is a
67 terminal type device attached to stdin/stdout. Do not set
68 buffering or mess with tcsetattr or do any read operations in
69 order to make UART interrupts; not input data is supported.
70 This is necessary to allow the sim to be used within the eCos
71 testing infrastructure where stdin/stdout are pipes to a TCL
72 program; the sim hangs otherwise.
73
74Thu Jul 23 07:17:03 1998 Mark Alexander <marka@cygnus.com>
75
76 * exec.c (dispatch_instruction): Add SPARClite 'scan' instruction.
77
78Tue Jul 7 21:12:41 1998 Mark Alexander <marka@cygnus.com>
79
80 * func.c (bfd_load): Add special handling of a.out executables.
81
82Sat Jun 13 08:33:25 1998 Mark Alexander <marka@cygnus.com>
83
84 * func.c (bfd_load): Print correct endianness.
85 * interf.c (run_sim): Print debugging information if verbosity level
86 is greater than 2.
87 (sim_open): Repeated -v options now increment verbosity level.
88 (sim_store_register): Handle little-endian case.
89 (flush_window): Print debugging information if verbosity level
90 is greater then 2.
91
92Tue Jun 2 15:20:35 1998 Mark Alexander <marka@cygnus.com>
93
94 * interf.c (sim_open): Use revamped memory_read, which makes
95 byte-swapping unnecessary. Add -sparclite-board option for
96 emulating RAM found on typical SPARClite boards. Print
97 error message for unrecognized option.
98 * erc32.c: Change RAM address and size from constants to variables,
99 to allow emulation of SPARClite board RAM.
100 (fetch_bytes, store_bytes): New helper functions for revamped
101 mememory_read and memory_write.
102 (memory_read, memory_write): Rewrite to store bytes in target
103 byte order instead of storing words in host byte order; this
104 greatly simplifies support of little-endian programs.
105 (get_mem_ptr): Remove unnecessary byte parameter.
106 (sis_memory_write, sis_memory_read): Store words in target
107 byte order instead of host byte order.
108 (byte_swap_words): Remove, no longer needed.
109 * sis.h ((byte_swap_words): Remove declaration, no longer needed.
110 (memory_read): Add new sz parameter.
111 * sis.c (run_sim): Use revamped memory_read, which makes
112 byte-swapping unnecessary.
113 * exec.c (dispatch_instruction): Use revamped memory_read, which
114 makes byte-swapping and double-word fetching unnecessary.
115 * func.c (sparclite_board): Declare new variable.
116 (get_regi): Handle little-endian data.
117 (bfd_load): Recognize little-endian SPARClite as having
118 little-endian data.
119
120Fri May 22 14:23:16 1998 Mark Alexander <marka@cygnus.com>
121
122 * erc32.c (port_init): Print messages only if sis_verbose is true.
123 * func.c (bfd_load): Ditto.
124 * interf.c (sim_open): Ditto.
125
126Thu May 14 23:10:48 1998 Mark Alexander <marka@cygnus.com>
127
128 * sis.h (uint64, int64): Define.
129 * exec.c (SDIV, SDIVCC, UDIV, UDIVCC): Define new opcodes.
130 * (mul64): Simplify calculation of negative result.
131 * (div64): New helper function for 64-bit division.
132 * (dispatch_instruction): Add emulation of SDIV, SDIVCC, UDIV,
133 and UDIVCC.
134
135Wed May 13 14:59:54 1998 Mark Alexander <marka@cygnus.com>
136
137 * erc32.c (close_port): Don't close stdin; it kills GDB.
138 (byte_swap_words): New function.
139 * sis.h: (byte_swap_words): Declare.
140 * interf.c (run_sim): Always fetch instructions as big-endian.
141 * sis.c (run_sim): Ditto.
142
143Tue Apr 28 18:33:31 1998 Geoffrey Noer <noer@cygnus.com>
144
145 * configure: Regenerated to track ../common/aclocal.m4 changes.
146
147Sun Apr 26 15:31:55 1998 Tom Tromey <tromey@creche>
148
149 * configure: Regenerated to track ../common/aclocal.m4 changes.
150 * config.in: Ditto.
151
152Sun Apr 26 15:20:17 1998 Tom Tromey <tromey@cygnus.com>
153
154 * acconfig.h: New file.
155 * configure.in: Reverted change of Apr 24; use sinclude again.
156
157Fri Apr 24 14:16:40 1998 Tom Tromey <tromey@creche>
158
159 * configure: Regenerated to track ../common/aclocal.m4 changes.
160 * config.in: Ditto.
161
162Fri Apr 24 11:19:52 1998 Tom Tromey <tromey@cygnus.com>
163
164 * configure.in: Don't call sinclude.
165
166Sat Apr 18 12:00:16 1998 Mark Alexander <marka@cygnus.com>
167
168 * func.c (disp_fpu): Fix build problem on big-endian hosts.
169
170Wed Apr 8 19:33:34 1998 Mark Alexander <marka@cygnus.com>
171
172 * erc32.c (sim_stop): Handle SIGINT gracefully.
173 * interf.c (sim_open): Don't catch SIGINT; GDB will do that for us.
174
175Wed Apr 8 18:29:40 1998 Mark Alexander <marka@cygnus.com>
176
177 * exec.c (dispatch_instruction): Change how carry out is calculated
178 in DIVSCC. Add emulation of SMULCC, UMUL, and UMULCC.
179
180Sat Apr 4 20:36:25 1998 Andrew Cagney <cagney@b1.cygnus.com>
181
182 * configure: Regenerated to track ../common/aclocal.m4 changes.
183
184Wed Apr 1 21:19:18 1998 Mark Alexander <marka@cygnus.com>
185
186 * end.c: Update to version 2.7.5, fix compiler warnings and bugs.
187 * erc32.c: Ditto.
188 * exec.c: Ditto.
189 * float.c: Ditto.
190 * func.c: Ditto.
191 * help.c: Ditto.
192 * interf.c: Ditto.
193 * sis.c: Ditto.
194 * sis.h: Ditto.
195
196Fri Mar 27 16:15:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
197
198 * configure: Regenerated to track ../common/aclocal.m4 changes.
199
200Wed Mar 25 12:35:29 1998 Andrew Cagney <cagney@b1.cygnus.com>
201
202 * configure: Regenerated to track ../common/aclocal.m4 changes.
203
204Wed Mar 18 12:38:12 1998 Andrew Cagney <cagney@b1.cygnus.com>
205
206 * configure: Regenerated to track ../common/aclocal.m4 changes.
207
208Tue Feb 17 12:41:11 1998 Andrew Cagney <cagney@b1.cygnus.com>
209
210 * interf.c (sim_store_register, sim_fetch_register): Pass in
211 length parameter. Return -1.
212
213Sun Feb 1 16:47:51 1998 Andrew Cagney <cagney@b1.cygnus.com>
214
215 * configure: Regenerated to track ../common/aclocal.m4 changes.
216
217Sat Jan 31 18:15:41 1998 Andrew Cagney <cagney@b1.cygnus.com>
218
219 * configure: Regenerated to track ../common/aclocal.m4 changes.
220
221Mon Jan 19 22:26:29 1998 Doug Evans <devans@seba>
222
223 * configure: Regenerated to track ../common/aclocal.m4 changes.
224
225Mon Dec 15 23:17:11 1997 Andrew Cagney <cagney@b1.cygnus.com>
226
227 * configure: Regenerated to track ../common/aclocal.m4 changes.
228 * config.in: Ditto.
229
230Thu Dec 4 09:21:05 1997 Doug Evans <devans@canuck.cygnus.com>
231
232 * configure: Regenerated to track ../common/aclocal.m4 changes.
233
234Fri Oct 3 09:28:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
235
236 * configure: Regenerated to track ../common/aclocal.m4 changes.
237
238Wed Sep 24 17:38:57 1997 Andrew Cagney <cagney@b1.cygnus.com>
239
240 * configure: Regenerated to track ../common/aclocal.m4 changes.
241
242Tue Sep 23 11:04:38 1997 Andrew Cagney <cagney@b1.cygnus.com>
243
244 * configure: Regenerated to track ../common/aclocal.m4 changes.
245
246Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
247
248 * configure: Regenerated to track ../common/aclocal.m4 changes.
249
250Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
251
252 * configure: Regenerated to track ../common/aclocal.m4 changes.
253
254Mon Sep 15 17:36:15 1997 Andrew Cagney <cagney@b1.cygnus.com>
255
256 * configure: Regenerated to track ../common/aclocal.m4 changes.
257
258Wed Aug 27 18:13:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
259
260 * configure: Regenerated to track ../common/aclocal.m4 changes.
261 * config.in: Ditto.
262
263Tue Aug 26 10:38:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
264
265 * float.c (__setfpucw): Compile on any i386 target. Not just NT.
266
267 * interf.c (sim_kill): Delete.
268 (sim_create_inferior): Add ABFD argument. Initialize PC from ABFD
269 argument.
270 (sim_load): Don't save start address.
271 (start_address): Delete variable.
272
273Mon Aug 25 17:50:22 1997 Andrew Cagney <cagney@b1.cygnus.com>
274
275 * configure: Regenerated to track ../common/aclocal.m4 changes.
276 * config.in: Ditto.
277
278Mon Aug 25 16:19:49 1997 Andrew Cagney <cagney@b1.cygnus.com>
279
280 * interf.c (sim_open): Add ABFD argument. Change ARGV to PARGV.
281
282Mon Jun 30 11:45:25 1997 Doug Evans <dje@canuck.cygnus.com>
283
284 * Makefile.in (install-sis): Change $(srcdir)/sis to sis.
285
286Wed May 28 09:46:13 1997 Andrew Cagney <cagney@b1.cygnus.com>
287
288 * interf.c (sim_set_callbacks): Drop SD argument - not applicable.
289 (sim_open): Add callback arg, save it.
290
291Thu Apr 24 00:39:51 1997 Doug Evans <dje@canuck.cygnus.com>
292
293 * configure: Regenerated to track ../common/aclocal.m4 changes.
294
295Tue Apr 22 11:05:01 1997 Doug Evans <dje@canuck.cygnus.com>
296
297 * interf.c (sim_open): Undo patch to add -E support.
298
299Thu Apr 17 03:03:56 1997 Doug Evans <dje@canuck.cygnus.com>
300
301 * interf.c (sim_open): Ignore -E arg.
302 (start_address): New static local.
303 (sim_load): Return SIM_RC. New arg abfd. Set start_address from bfd.
304 (sim_create_inferior): Return SIM_RC. Delete arg start_address.
305
306Tue Apr 15 15:16:11 1997 Ian Lance Taylor <ian@cygnus.com>
307
308 * Makefile.in (install-sis): Depend upon installdirs. Use
309 $(program_transform_name) directly, rather than using
310 $(INSTALL_XFORM).
311
312Mon Apr 7 15:45:02 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
313
314 * configure: Regenerated to track ../common/aclocal.m4 changes.
315 * config.in: Ditto.
316
317Wed Apr 2 15:06:28 1997 Doug Evans <dje@canuck.cygnus.com>
318
319 * interf.c (sim_open): New arg `kind'.
320
321 * configure: Regenerated to track ../common/aclocal.m4 changes.
322
323Wed Apr 2 14:34:19 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
324
325 * configure: Regenerated to track ../common/aclocal.m4 changes.
326
327Mon Mar 17 15:10:07 1997 Andrew Cagney <cagney@kremvax.cygnus.com>
328
329 * configure: Re-generate.
330
331Thu Mar 13 12:46:04 1997 Doug Evans <dje@canuck.cygnus.com>
332
333 * interf.c (sim_open): New SIM_DESC result. Argument is now in
334 argv form.
335 (other sim_*): New SIM_DESC argument.
336
337Tue Feb 4 13:35:20 1997 Doug Evans <dje@canuck.cygnus.com>
338
339 * Makefile.in (@COMMON_MAKEFILE_FRAG): Use
340 COMMON_{PRE,POST}_CONFIG_FRAG instead.
341 * configure.in: sinclude ../common/aclocal.m4.
342 * configure: Regenerated.
343
344Thu Jan 23 11:46:23 1997 Stu Grossman (grossman@critters.cygnus.com)
345
346 * configure configure.in Makefile.in: Update to new configure
347 scheme which is more compatible with WinGDB builds.
348 * configure.in: Improve comment on how to run autoconf.
349 * configure: Re-run autoconf to get new ../common/aclocal.m4.
350 * Makefile.in: Use autoconf substitution to install common
351 makefile fragment.
352
353Wed Dec 4 18:25:04 1996 Rob Savoye <rob@chinadoll.cygnus.com>
354
355 * interf.c (run_sim): Stop the simulator and reset the stdio after
356 breakpoints.
357
358Tue Dec 3 11:54:37 1996 Rob Savoye <rob@chinadoll.cygnus.com>
359
360 * configure.in: Look for libtermcap.a.
361 * Makefile.in: Only link in -ltermcap if it exists.
362 * erc32.c: Update to version 2.6a. Fix uart handling.
363 * exec.c: Update to version 2.6a. Add sparclite support.
364 * float.c: Update to version 2.6a. Convert comments to
365 preprocessor warnings. Add __setfpucw() for i385 hosts so floating
366 point exceptions work on win32.
367 * func.c: Update to version 2.6a. Fix uart handling, add support
368 for user error traps.
369 * help.c: Update to version 2.6a. Add help note on user error
370 traps.
371 * interf.c: Update to version 2.6a. Fix uart handling, and add
372 sparclite support.
373 * examples/gccx: Use sparclite cross compiler, not native gcc.
374 * examples/srt0.S: Use "mov" rather than "wr" for manipulating
375 the psr register.
376
377Mon Nov 25 08:28:10 1996 Fred Fish <fnf@cygnus.com>
378
379 * Makefile.in (run.o): Remove this rule, it hides the one in
380 ../common/Make-common.in that correctly references the source
381 in the sibling ../common directory.
382
383Wed Nov 20 01:30:12 1996 Doug Evans <dje@canuck.cygnus.com>
384
385 * Makefile.in: Delete stuff moved to ../common/Make-common.in.
386 (SIM_{OBJS,EXTRA_LIBS,EXTRA_LIBDEPS,EXTRA_ALL,EXTRA_INSTALL}): Define.
387 (SIM_{EXTRA_CLEAN,EXTRA_CFLAGS}): Define.
388 * configure.in: Simplify using macros in ../common/aclocal.m4.
389 Call AC_CHECK_HEADERS(stdlib.h).
390 * configure: Regenerated.
391 * config.in: New file.
392 * func.c (sim_set_callbacks): Delete, moved to
393 * interf.c (sim_set_callbacks): here.
394 (sim_callback): New global.
395 Rewrite all calls to printf_filtered to go through callback.
396 (sim_size,sim_trace): New functions.
397 (sim_{insert,remove}_breakpoint): #if 0 out.
398 * sis.c: #include "config.h". #include <stdlib.h> if present.
399 (main): Coerce fprintf arg to INIT_DISASSEMBLE_INFO to fprintf_ftype.
400 * sis.h: #include "callback.h".
401 * run.c: Deleted, using one in ../common now.
402
403Thu Oct 3 16:12:03 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
404
405 * Makefile.in (clean): Move config.log to distclean.
406
407Wed Oct 2 16:57:57 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
408
409 * Makefile.in (clean): Also remove config.log.
410
411Sat Sep 14 00:00:46 1996 Ian Lance Taylor <ian@cygnus.com>
412
413 * Makefile.in (CC_FOR_BUILD): New variable.
414 (AR, AR_FLAGS, BISON, MAKEINFO): Remove duplicate variables.
415 (RANLIB, CC): Likewise.
416 (end): Use $(CC_FOR_BUILD), not $(CC).
417 * configure.in: Set CC_FOR_BUILD.
418 * configure: Rebuild.
419
420Sun Sep 8 14:04:37 1996 Stu Grossman (grossman@critters.cygnus.com)
421
422 * erc32.c (port_init): Disable this for __GO32__ (got no pty's
423 there either...).
424
425Mon Aug 12 17:04:58 1996 Stu Grossman (grossman@critters.cygnus.com)
426
427 * erc32.c: Don't include sys/ioctl.h or sys/file.h. They aren't
428 necessary.
429 * (port_init): Don't even *try* to open pty's under _WIN32.
430 * Use SIM_ADDR, not caddr_t for declaring vars that hold addresses.
431 * float.c: Get rid of #warning. Makes Microsoft C barf.
432 * interf.c (sim_open): Cast fprintf to (fprintf_ftype) to fix
433 compiler warning.
434 * (sim_load sim_create_inferior sim_read): Use prototypes only in
435 decls, not defs.
436 * Get rid of enum sim_stop. It's defined in remote-sim.h.
437 * (sim_stop_reason): Define SIGTRAP if _WIN32.
438 * sis.h: Include ansidecl.h and remote-sim.h.
439
440Wed Jul 3 16:05:23 1996 Stu Grossman (grossman@critters.cygnus.com)
441
442 * erc32.c (mec_reset mec_read mec_write memory_read memory_write),
443 sis.h: Get rid of all uses of long long's.
444 * (close_port read_uart write_uart uarta_tx): Don't seg fault
445 when can't open pty's.
446 * exec.c: Add two new instructions: smul, and divscc.
447 * interf.c (flush_windows): New routine to flush the register
448 windows out to the stack just before returning to GDB. Makes
449 backtraces work much better.
450
451Wed Jun 26 12:19:11 1996 Jason Molenda (crash@godzilla.cygnus.co.jp)
452
453 * Makefile.in (bindir, libdir, datadir, mandir, infodir, includedir,
454 INSTALL_PROGRAM, INSTALL_DATA): Use autoconf-set values.
455 (docdir, oldincludedir): Removed.
456 * configure.in (AC_PREREQ): autoconf 2.5 or higher.
457 (AC_PROG_INSTALL): Added.
458 * configure: Rebuilt.
459
460Mon Jun 24 14:19:07 1996 Ian Lance Taylor <ian@cygnus.com>
461
462 * configure.in: Call AC_PROG_CC before running configure.host.
463 * configure: Rebuild with autoconf 2.10.
464
465Tue Jun 4 10:37:12 1996 Tom Tromey <tromey@csk3.cygnus.com>
466
467 * Makefile.in (install): Don't check to see if tooldir exists.
468 Make $(tooldir) and $(tooldir)/bin.
469
470Mon Jun 3 12:33:38 1996 Ian Lance Taylor <ian@cygnus.com>
471
472 * Makefile.in (end.h): Use explicit ./ when running end.
473
474Sun May 19 21:05:31 1996 Rob Savoye <rob@chinadoll.cygnus.com>
475
476 * func.c(bfd_load): Don't try to print the filename if the pfbd is
477 NULL.
478 * interf.c(sim_load): Pass the whole string, not just the first
479 byte.
480
481Version 2.1 26-02-96
482--------------------
483
484* Fixed bug in "go" command.
485
486version 2.0 05-02-96
487--------------------
488
489* Fixed bug in interrupt force register (erc32.c).
490
491* Change file load function to use bfd_openr.
492
493* SIS should now be endian independent.
494
495version 1.8 24-11-95
496--------------------
497
498* Fixed FPU timing - some sequences of FPU instructions did not calculate
499 the resource dependencies right.
500
501* Corrected STDFQ when qne = 0 (again!). The ftt is set to sequence_error
502 but no FPU trap is generated.
503
504version 1.7.1 31-10-95
505--------------------
506
507* Corrected STDFQ when qne = 0. Now, a trap is immidiately generated but
508 the FPU stays in execute mode.
509
510* Corrected JMPL and RETT timing (these instructions takes two cycles).
511
512
513version 1.7 25-10-95
514--------------------
515
516* Interrupt during annuled instruction corrupted return address - fixed.
517
518
519version 1.6.2 25-10-95
520--------------------
521
522* Added -DFAST_UART to Makefile
523
524
525version 1.6.1 24-10-95
526--------------------
527
528* Fixed bug in STDFQ which caused bus error
529
530
531version 1.6 02-10-95
532--------------------
533
534* Modified srt0.s to include code that initiates registers in IU and FPU
535 and initializes the data segment. The simulator 'load' command does not
536 longer initialize the data segment!
537
538* Corrected MEC timer operation; scalers now divide the frequency by
539 (scaler_value + 1).
540
541* MEC breakpoints are not checked during store operation
542
543
544version 1.5 14-09-95
545--------------------
546
547* Fixed some bugs in the cycle counting for IU & FPU instructions.
548
549* Fixed bug that allowed an annuled instruction to cause memory exception.
550
551* The *ws parameter in mem.c should now contain the number of waitstates
552 required by the memory access (was total number of cycles).
553
554* The supplied srt0.s now clears the BSS (thanks Joel).
555
556version 1.4 22-08-95
557--------------------
558
559* Added a '-g' switch to enable/disable the GNU readline(), which cause
560some problems on solaris 2.x machines.
561
562* Enabled MEC watchpoint and breakpoint function to mem.c. Performance
563may suffer a bit ...
564
565NOTE: The UARTs are now connected to /dev/ttypc and /dev/ttypd.
566
567version 1.3 26-07-95
568--------------------
569
570* Fixed bug in mulscc instruction (how could that ever have worked?)
571
572* Fixed bug in UART B (flushed characters on UART A), thanks Paul.
573
574version 1.2 13-07-95
575--------------------
576
577* Fixed bug in interrupt handling (wrong interrupt selected when more that
578one interrupt pending)
579
580* Fixed updating of condition codes during logical instructions (carry and
581overflow were not reset)
582
583* Fixed bug in WRTBR (tt field was wrongly over-written)
584
585version 1.1 07-07-95
586--------------------
587
588* Fixed several bugs in the interrupt handler and callback routines.
589(reported by Paul Warren, Alsys)
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