mit-scheme.git
33 years agoChange to match new directory configuration.
Chris Hanson [Thu, 15 Aug 1991 18:32:50 +0000 (18:32 +0000)]
Change to match new directory configuration.

33 years agoAdd fixnum bitwise-logical operations to list of primitives that
Chris Hanson [Wed, 14 Aug 1991 20:55:14 +0000 (20:55 +0000)]
Add fixnum bitwise-logical operations to list of primitives that
cannot be open-coded on the MIPS.

33 years agoAdd FLOATING-VECTOR-xxx primitives.
Guillermo J. Rozas [Wed, 14 Aug 1991 02:09:12 +0000 (02:09 +0000)]
Add FLOATING-VECTOR-xxx primitives.

33 years agoAdd FLOATING-VECTOR-LENGTH.
Guillermo J. Rozas [Wed, 14 Aug 1991 02:02:53 +0000 (02:02 +0000)]
Add FLOATING-VECTOR-LENGTH.

33 years ago- Incorporate some reader comments.
Guillermo J. Rozas [Wed, 14 Aug 1991 01:16:19 +0000 (01:16 +0000)]
- Incorporate some reader comments.

- Mention new MIPS OVERFLOW-TEST solution.

33 years agoChange command, variable, and mode definition macros to make them
newts [Tue, 13 Aug 1991 20:59:40 +0000 (20:59 +0000)]
Change command, variable, and mode definition macros to make them
expand into simple Scheme definitions.

33 years agoChange hppa_utility_table to be allocated dynamically rather than
Guillermo J. Rozas [Tue, 13 Aug 1991 18:23:38 +0000 (18:23 +0000)]
Change hppa_utility_table to be allocated dynamically rather than
statically.

33 years agoAdd options for 8.01 and 8.05.
Guillermo J. Rozas [Tue, 13 Aug 1991 18:19:38 +0000 (18:19 +0000)]
Add options for 8.01 and 8.05.

33 years agoWork around HP-UX 8.0's format for C procedure pointers (closures).
Guillermo J. Rozas [Tue, 13 Aug 1991 06:46:08 +0000 (06:46 +0000)]
Work around HP-UX 8.0's format for C procedure pointers (closures).

33 years agoFix typo.
Chris Hanson [Tue, 13 Aug 1991 06:20:37 +0000 (06:20 +0000)]
Fix typo.

33 years agoMake ANSI declaration use GNU EXFUN macro to allow non-ANSI compilers
Guillermo J. Rozas [Tue, 13 Aug 1991 05:46:06 +0000 (05:46 +0000)]
Make ANSI declaration use GNU EXFUN macro to allow non-ANSI compilers
to handle it.

33 years ago*** empty log message ***
Chris Hanson [Tue, 13 Aug 1991 02:31:32 +0000 (02:31 +0000)]
*** empty log message ***

33 years agoEliminate unused and unbound variables. Repaginate.
Chris Hanson [Tue, 13 Aug 1991 02:31:22 +0000 (02:31 +0000)]
Eliminate unused and unbound variables.  Repaginate.

33 years agoFix typo.
Chris Hanson [Tue, 13 Aug 1991 02:30:37 +0000 (02:30 +0000)]
Fix typo.

33 years agoAdded primitives HOSTNAME and FULL-HOSTNAME to get the short host name
Mark Friedman [Mon, 12 Aug 1991 22:16:02 +0000 (22:16 +0000)]
Added primitives HOSTNAME and FULL-HOSTNAME to get the short host name
and the full host name with domain.

33 years agoRewrite fixnum overflow tests to produce significantly better code.
Chris Hanson [Mon, 12 Aug 1991 22:15:22 +0000 (22:15 +0000)]
Rewrite fixnum overflow tests to produce significantly better code.
Now fixnum operations with overflow do SET-CURRENT-BRANCHES!
themselves, and OVERFLOW-TEST does nothing.

33 years agoFix various bugs in generation of LAP for addition and loading of
Chris Hanson [Mon, 12 Aug 1991 22:13:44 +0000 (22:13 +0000)]
Fix various bugs in generation of LAP for addition and loading of
constants.

33 years agoChange disassembly of EXTERNAL-LABEL to use (@PCR label) where
Chris Hanson [Mon, 12 Aug 1991 22:11:08 +0000 (22:11 +0000)]
Change disassembly of EXTERNAL-LABEL to use (@PCR label) where
possible.

33 years agoFix definitions of &triple-set-second! and &triple-set-third! .
Guillermo J. Rozas [Mon, 12 Aug 1991 13:38:39 +0000 (13:38 +0000)]
Fix definitions of &triple-set-second! and &triple-set-third! .
They were clobbering the wrong cxr!

33 years agoDired was unable to delete files appearing on the first line of its buffer.
Arthur Gleckler [Mon, 12 Aug 1991 03:14:36 +0000 (03:14 +0000)]
Dired was unable to delete files appearing on the first line of its buffer.

33 years agoFix two history-related bugs:
Guillermo J. Rozas [Sun, 11 Aug 1991 15:24:37 +0000 (15:24 +0000)]
Fix two history-related bugs:

- previous-history-offsets were being incorrectly computed in
make-intermediate-state.

- make-control-point was adding a new (join-stacklets) frame even when
there was one, therefore invalidating all previous-history-offsets
contained in the stream.  This latter bug was "fixed" by changing
control-point/element-stream to not include the last (join-stacklets)
frame.

33 years agoExport Edwin variables to the (edwin) package:
Arthur Gleckler [Fri, 9 Aug 1991 18:42:23 +0000 (18:42 +0000)]
Export Edwin variables to the (edwin) package:

  X-SCREEN-NAME-FORMAT
  X-SCREEN-ICON-NAME-FORMAT
  X-SCREEN-ICON-NAME-LENGTH

33 years agoMake dummy reduction be recognizable as such, rather than spuriously
Guillermo J. Rozas [Thu, 8 Aug 1991 19:54:33 +0000 (19:54 +0000)]
Make dummy reduction be recognizable as such, rather than spuriously
show up.

33 years agoMake most HP keyboard functions do something reasonable (i.e. related
Arthur Gleckler [Thu, 8 Aug 1991 19:00:04 +0000 (19:00 +0000)]
Make most HP keyboard functions do something reasonable (i.e. related
to their names).

33 years agoFix FILL-DIRED-BUFFER! bug that caused "~" command (and probably
Arthur Gleckler [Wed, 7 Aug 1991 19:09:03 +0000 (19:09 +0000)]
Fix FILL-DIRED-BUFFER! bug that caused "~" command (and probably
others) to fail.

33 years agoUpdates for autoloading.
Brian A. LaMacchia [Tue, 6 Aug 1991 22:58:51 +0000 (22:58 +0000)]
Updates for autoloading.

33 years agoAdded RMAIL Summary mode and RMAIL sort mode.
Brian A. LaMacchia [Tue, 6 Aug 1991 22:55:31 +0000 (22:55 +0000)]
Added RMAIL Summary mode and RMAIL sort mode.

33 years agoAdded RMAIL sort mode.
Brian A. LaMacchia [Tue, 6 Aug 1991 22:54:20 +0000 (22:54 +0000)]
Added RMAIL sort mode.

33 years agoFix joke brainos.
Arthur Gleckler [Tue, 6 Aug 1991 22:45:17 +0000 (22:45 +0000)]
Fix joke brainos.

33 years agoAdded RMAIL Summary mode and RMAIL sort mode.
Brian A. LaMacchia [Tue, 6 Aug 1991 22:41:24 +0000 (22:41 +0000)]
Added RMAIL Summary mode and RMAIL sort mode.

33 years agoAdded autoloads for RMAIL Summary mode.
Brian A. LaMacchia [Tue, 6 Aug 1991 22:39:52 +0000 (22:39 +0000)]
Added autoloads for RMAIL Summary mode.

33 years agoIt works! (well, at least the basic stuff)
Brian A. LaMacchia [Tue, 6 Aug 1991 22:18:41 +0000 (22:18 +0000)]
It works! (well, at least the basic stuff)

33 years agoHardware traps now preserve the history when the trap is known to have
Arthur Gleckler [Tue, 6 Aug 1991 22:15:35 +0000 (22:15 +0000)]
Hardware traps now preserve the history when the trap is known to have
occured in compiled code, since the history is perfectly well defined.

33 years agoDebugger improvements to show history for compiled code frames that
Arthur Gleckler [Tue, 6 Aug 1991 22:14:08 +0000 (22:14 +0000)]
Debugger improvements to show history for compiled code frames that
have it.

33 years agoThe last compiled-return-address frame before an interpreter frame has
Arthur Gleckler [Tue, 6 Aug 1991 22:13:25 +0000 (22:13 +0000)]
The last compiled-return-address frame before an interpreter frame has
valid history.

33 years agoUse with-history-disabled in with-new-history so that new evaluations
Arthur Gleckler [Tue, 6 Aug 1991 22:12:23 +0000 (22:12 +0000)]
Use with-history-disabled in with-new-history so that new evaluations
are guaranteed to have at least one interpreter return frame, thus
making the continuation parser work better in the presence of compiled
code.

with-new-history no longer tail-recurses into the thunk.

33 years agoDebugger now treats compiled-return-address frames with history
Arthur Gleckler [Tue, 6 Aug 1991 22:10:41 +0000 (22:10 +0000)]
Debugger now treats compiled-return-address frames with history
specially: The stack information for each is printed as if it had
its own reduction since the first reduction corresponds to the
interpreted expression that tail-recursed into the compiled code.

33 years agoJokes.
Arthur Gleckler [Tue, 6 Aug 1991 22:04:26 +0000 (22:04 +0000)]
Jokes.

33 years ago*** empty log message ***
Brian A. LaMacchia [Tue, 6 Aug 1991 20:56:02 +0000 (20:56 +0000)]
*** empty log message ***

33 years agoAdd support for special keys, including function keys and arrow keys,
Arthur Gleckler [Tue, 6 Aug 1991 18:12:28 +0000 (18:12 +0000)]
Add support for special keys, including function keys and arrow keys,
with bucky bits.

A key is either a CHAR or a SPECIAL-KEY.  SPECIAL-KEYs can be compared
using EQ?.

Support all the keys named in /usr/include/X11/keysym.h, using the
names X gives them (with few exceptions).

Rename most procedures for dealing with keys from "-char" to "-key" to
prevent confusion.

Requires microcode 11.91 or later because of changes to the X keyboard
event structure.

33 years agoFix unbound variable error from special key changes.
Arthur Gleckler [Tue, 6 Aug 1991 15:55:10 +0000 (15:55 +0000)]
Fix unbound variable error from special key changes.

33 years agoAdd support for special keys, including function keys and arrow keys,
Arthur Gleckler [Tue, 6 Aug 1991 15:40:55 +0000 (15:40 +0000)]
Add support for special keys, including function keys and arrow keys,
with bucky bits.

A key is either a CHAR or a SPECIAL-KEY.  SPECIAL-KEYs can be compared
using EQ?.

Support all the keys named in /usr/include/X11/keysym.h, using the
names X gives them (with few exceptions).

Rename most procedures for dealing with keys from "-char" to "-key" to
prevent confusion.

Requires microcode 11.91 or later because of changes to the X keyboard
event structure.

33 years agoFix purification bug on Snakes; floating-point alignment was confusing
Arthur Gleckler [Tue, 6 Aug 1991 15:13:54 +0000 (15:13 +0000)]
Fix purification bug on Snakes; floating-point alignment was confusing
the purifier.

33 years agoUpgrade microcode to pass X keysyms in keyboard events through to Edwin.
Arthur Gleckler [Tue, 6 Aug 1991 15:12:05 +0000 (15:12 +0000)]
Upgrade microcode to pass X keysyms in keyboard events through to Edwin.

33 years agoFixed bug in sdata.scm...thanks sybok
Brian A. LaMacchia [Tue, 6 Aug 1991 13:56:05 +0000 (13:56 +0000)]
Fixed bug in sdata.scm...thanks sybok

33 years agoInitial revision
Brian A. LaMacchia [Mon, 5 Aug 1991 16:40:11 +0000 (16:40 +0000)]
Initial revision

33 years agoCompiling with the stepper hooks.
Mark Friedman [Mon, 5 Aug 1991 14:21:45 +0000 (14:21 +0000)]
Compiling with the stepper hooks.

33 years agoMake edit and edwin take arguments and pass them along to
Guillermo J. Rozas [Thu, 1 Aug 1991 22:55:04 +0000 (22:55 +0000)]
Make edit and edwin take arguments and pass them along to
create-editor.

33 years ago*** empty log message ***
Brian A. LaMacchia [Thu, 1 Aug 1991 17:51:23 +0000 (17:51 +0000)]
*** empty log message ***

33 years agoExport edwin-variable$mail-setup-hook
Brian A. LaMacchia [Thu, 1 Aug 1991 17:51:07 +0000 (17:51 +0000)]
Export edwin-variable$mail-setup-hook

33 years agoAdd INSERT-PARENTHESES and MOVE-PAST-CLOSE-AND-REINDENT and bind them to keys.
Arthur Gleckler [Wed, 31 Jul 1991 18:24:47 +0000 (18:24 +0000)]
Add INSERT-PARENTHESES and MOVE-PAST-CLOSE-AND-REINDENT and bind them to keys.

33 years agoAdd INSERT-PARENTHESES and MOVE-PAST-CLOSE-AND-REINDENT and bind them to keys.
Arthur Gleckler [Wed, 31 Jul 1991 18:09:15 +0000 (18:09 +0000)]
Add INSERT-PARENTHESES and MOVE-PAST-CLOSE-AND-REINDENT and bind them to keys.

33 years agoFix UX_times problem in OS_real_time_clock.
Guillermo J. Rozas [Wed, 31 Jul 1991 14:37:20 +0000 (14:37 +0000)]
Fix UX_times problem in OS_real_time_clock.

33 years agoEnable super, hyper, and top modifier keys under X.
Arthur Gleckler [Fri, 26 Jul 1991 21:56:09 +0000 (21:56 +0000)]
Enable super, hyper, and top modifier keys under X.

33 years agoAdded variable x-display-name, which defaults to false.
Brian A. LaMacchia [Fri, 26 Jul 1991 20:57:10 +0000 (20:57 +0000)]
Added variable x-display-name, which defaults to false.
fluid-let'ing x-display-name to a string (like "freeside:0")
before invoking edwin allows edwin to pop up an X window on
non-local displays.

33 years ago(Jinx) implemented open-coding for INTEGER-MULTIPLY, INTEGER-DIVIDE,
Chris Hanson [Thu, 25 Jul 1991 09:04:33 +0000 (09:04 +0000)]
(Jinx) implemented open-coding for INTEGER-MULTIPLY, INTEGER-DIVIDE,
and INTEGER-REMAINDER.

33 years agoEliminate two uses of @PCO branches. Repaginate.
Chris Hanson [Thu, 25 Jul 1991 08:43:10 +0000 (08:43 +0000)]
Eliminate two uses of @PCO branches.  Repaginate.

33 years agoInstall machine-dependent file and procedure to perform optimization
Chris Hanson [Thu, 25 Jul 1991 07:24:04 +0000 (07:24 +0000)]
Install machine-dependent file and procedure to perform optimization
of LAP between linearization and assembly.  This is for instruction
scheduling and peephole optimization.

33 years agoChange LAP generator to use new PC-relative address cacheing
Chris Hanson [Thu, 25 Jul 1991 02:46:19 +0000 (02:46 +0000)]
Change LAP generator to use new PC-relative address cacheing
mechanism.  Also eliminate generation of PC-RELATIVE-OFFSET pseudo
instruction, and of certain instructions that would make analysis of
the LAP difficult.  Change LAP to conform more closely to the MIPS
spec, e.g. change "FADD DOUBLE" to "ADD.D".  Implement simple LAP
optimizer that eliminates some NOPs appearing in load delay slots.

33 years agoInitial revision
Chris Hanson [Thu, 25 Jul 1991 02:42:11 +0000 (02:42 +0000)]
Initial revision

33 years agoInstall machine-dependent file and procedure to perform optimization
Chris Hanson [Thu, 25 Jul 1991 02:40:58 +0000 (02:40 +0000)]
Install machine-dependent file and procedure to perform optimization
of LAP between linearization and assembly.  This is for instruction
scheduling and peephole optimization.

33 years agoInitial revision
Chris Hanson [Thu, 25 Jul 1991 02:34:51 +0000 (02:34 +0000)]
Initial revision

33 years agoImplement support to permit cacheing of PC-relative addresses in
Chris Hanson [Thu, 25 Jul 1991 02:32:06 +0000 (02:32 +0000)]
Implement support to permit cacheing of PC-relative addresses in
registers.  This is important on RISC machines where it is often
expensive to compute a PC-relative address.

33 years agoAddition of operations and procedures to manipulate image and colormap
Chris Hanson [Thu, 25 Jul 1991 01:07:09 +0000 (01:07 +0000)]
Addition of operations and procedures to manipulate image and colormap
datatypes.  Requires microcode version 11.89 or later.

33 years agoChanges to make sure that Scheme does not get into an infinite loop on
Guillermo J. Rozas [Wed, 24 Jul 1991 19:48:29 +0000 (19:48 +0000)]
Changes to make sure that Scheme does not get into an infinite loop on
input when a trap occurs or its tty disappears.

33 years agoAdd support for setting the resource class and name of X windows.
Arthur Gleckler [Wed, 24 Jul 1991 19:43:22 +0000 (19:43 +0000)]
Add support for setting the resource class and name of X windows.

33 years agoFix typo in previous change.
Chris Hanson [Wed, 24 Jul 1991 02:26:55 +0000 (02:26 +0000)]
Fix typo in previous change.

33 years agoAdd .PHONY targets to make targets like "scheme" work right.
Chris Hanson [Wed, 24 Jul 1991 02:25:00 +0000 (02:25 +0000)]
Add .PHONY targets to make targets like "scheme" work right.

33 years agoWork around bug in Ultrix: the `times' system call sometimes returns
Chris Hanson [Wed, 24 Jul 1991 01:29:29 +0000 (01:29 +0000)]
Work around bug in Ultrix: the `times' system call sometimes returns
negative numbers (other than -1) when there are no errors.  The
STD_VOID_SYSTEM_CALL macro checks for result <0, so perform explicit
check for result =-1.

33 years ago*** empty log message ***
Chris Hanson [Tue, 23 Jul 1991 08:20:40 +0000 (08:20 +0000)]
*** empty log message ***

33 years agoAdd a 1D property table to each graphics device.
Chris Hanson [Tue, 23 Jul 1991 08:20:26 +0000 (08:20 +0000)]
Add a 1D property table to each graphics device.

33 years agoAddition of operations and procedures to manipulate image and colormap
Chris Hanson [Tue, 23 Jul 1991 08:19:26 +0000 (08:19 +0000)]
Addition of operations and procedures to manipulate image and colormap
datatypes.  Requires microcode version 11.89 or later.

33 years agoEditing of X11 image, visual, and colormap support to regularize
Chris Hanson [Tue, 23 Jul 1991 08:18:07 +0000 (08:18 +0000)]
Editing of X11 image, visual, and colormap support to regularize
interface, provide better type and error checking, and simplify
handling of colormaps by associating a display object with them.

Requires runtime 14.126 or later.

33 years agoFix typo in load/store instruction rules.
Chris Hanson [Sun, 21 Jul 1991 07:41:51 +0000 (07:41 +0000)]
Fix typo in load/store instruction rules.

33 years agoENVIRONMENT-HAS-PARENT? must return one of three values: #F, #T, or
Chris Hanson [Sun, 21 Jul 1991 07:02:17 +0000 (07:02 +0000)]
ENVIRONMENT-HAS-PARENT? must return one of three values: #F, #T, or
'SIMULATED.  In the case of compiled closures, it was returning
something else, causing the debugging tools to think that these
procedures had no closing frame.

33 years agoFix typo in last change.
Chris Hanson [Fri, 19 Jul 1991 04:42:26 +0000 (04:42 +0000)]
Fix typo in last change.

33 years agoEliminate now-unused variable.
Chris Hanson [Fri, 19 Jul 1991 04:22:13 +0000 (04:22 +0000)]
Eliminate now-unused variable.

33 years agoEliminate spurious compiler warning.
Chris Hanson [Fri, 19 Jul 1991 04:19:03 +0000 (04:19 +0000)]
Eliminate spurious compiler warning.
Sharpen up documentation strings of variables.
Fix pagination.

33 years agoFix bugs in reduction declarations.
Chris Hanson [Fri, 19 Jul 1991 03:46:14 +0000 (03:46 +0000)]
Fix bugs in reduction declarations.

33 years agoNew Edwin debugger (commissioned for 6.001)
Arthur Gleckler [Fri, 19 Jul 1991 00:39:48 +0000 (00:39 +0000)]
New Edwin debugger (commissioned for 6.001)

33 years agoFix the pluralization of "argument" in the WRONG-NUMBER-OF-ARGUMENTS error.
Arthur Gleckler [Thu, 18 Jul 1991 23:37:33 +0000 (23:37 +0000)]
Fix the pluralization of "argument" in the WRONG-NUMBER-OF-ARGUMENTS error.

33 years agoChanged support for stepper hooks. Return hooks now work more or less
Mark Friedman [Thu, 18 Jul 1991 16:03:38 +0000 (16:03 +0000)]
Changed support for stepper hooks. Return hooks now work more or less
like the apply and eval hooks.

33 years agoFix bug in DIRECTORY-READ: if the argument has any name component,
Chris Hanson [Wed, 17 Jul 1991 08:55:17 +0000 (08:55 +0000)]
Fix bug in DIRECTORY-READ: if the argument has any name component,
don't default other name components to 'WILD.

33 years agoFix bug in DIRECTORY-READ: if the argument has any name component,
Chris Hanson [Wed, 17 Jul 1991 08:54:53 +0000 (08:54 +0000)]
Fix bug in DIRECTORY-READ: if the argument has any name component,
don't default other name components to 'WILD.

33 years agoGuarantee error if unable to find one of Edwin's system directories.
Chris Hanson [Tue, 16 Jul 1991 21:00:02 +0000 (21:00 +0000)]
Guarantee error if unable to find one of Edwin's system directories.

33 years agoEliminate redundant instructions in flonum-cons rule.
Chris Hanson [Tue, 16 Jul 1991 20:53:28 +0000 (20:53 +0000)]
Eliminate redundant instructions in flonum-cons rule.

33 years agoHooks for running before restarts and debugger returns.
Arthur Gleckler [Tue, 16 Jul 1991 00:08:16 +0000 (00:08 +0000)]
Hooks for running before restarts and debugger returns.

Debugger formatting improvements.

33 years agoAdd a hook to run before doing a return command from the debugger.
Arthur Gleckler [Tue, 16 Jul 1991 00:03:00 +0000 (00:03 +0000)]
Add a hook to run before doing a return command from the debugger.
Separate the printing of the components of subproblems and reductions
so they can be printed separately.

33 years agoAdd a hook in INVOKE-RESTART-INTERACTIVELY between any interactive
Arthur Gleckler [Mon, 15 Jul 1991 23:56:28 +0000 (23:56 +0000)]
Add a hook in INVOKE-RESTART-INTERACTIVELY between any interactive
prompting and the invocation of the restart effector.

33 years agoTrivial formatting change.
Arthur Gleckler [Mon, 15 Jul 1991 23:40:42 +0000 (23:40 +0000)]
Trivial formatting change.

33 years agoFix error message generated when object passed to a record accessor or
Chris Hanson [Mon, 15 Jul 1991 23:34:07 +0000 (23:34 +0000)]
Fix error message generated when object passed to a record accessor or
updater is a record of the wrong type.

33 years agoCatch error returns in calls to transcendental functions.
Chris Hanson [Sat, 13 Jul 1991 01:19:33 +0000 (01:19 +0000)]
Catch error returns in calls to transcendental functions.

33 years ago*** empty log message ***
Chris Hanson [Fri, 12 Jul 1991 23:23:15 +0000 (23:23 +0000)]
*** empty log message ***

33 years agoVarious fixes to floating-point trap code.
Chris Hanson [Fri, 12 Jul 1991 23:18:56 +0000 (23:18 +0000)]
Various fixes to floating-point trap code.

33 years agoAdd code to handle siginfo structure that is zero.
Chris Hanson [Fri, 12 Jul 1991 23:17:57 +0000 (23:17 +0000)]
Add code to handle siginfo structure that is zero.

33 years agoForgot to step loop counter in last change to find_signal_code_name.
Chris Hanson [Fri, 12 Jul 1991 23:17:37 +0000 (23:17 +0000)]
Forgot to step loop counter in last change to find_signal_code_name.
Also add code to handle siginfo structure that is zero.

33 years agoAdd initialization code to enable the IEEE traps.
Chris Hanson [Fri, 12 Jul 1991 23:15:43 +0000 (23:15 +0000)]
Add initialization code to enable the IEEE traps.

33 years agoChange rule for predicates that compare against implicit zero.
Chris Hanson [Fri, 12 Jul 1991 23:14:05 +0000 (23:14 +0000)]
Change rule for predicates that compare against implicit zero.
Previously, these predicates were generating a zero by subtracting a
register from itself.  This doesn't work if the register contains an
infinity or a NAN -- in that case it traps.  The new code generates a
zero by explicitly zeroing the register.

33 years agoChange DISK-RESTORE to try explicit filename first before tacking on
Chris Hanson [Fri, 12 Jul 1991 18:00:42 +0000 (18:00 +0000)]
Change DISK-RESTORE to try explicit filename first before tacking on
".com".

33 years agoChange DISK-RESTORE to try explicit filename first before tacking on
Chris Hanson [Fri, 12 Jul 1991 17:58:00 +0000 (17:58 +0000)]
Change DISK-RESTORE to try explicit filename first before tacking on
".com".