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History log of /src/sys/arch/atari/dev/ite.c
RevisionDateAuthorComments
 1.85  06-Jan-2023  tsutsui TAB/spaces/indents cleanup.
 1.84  26-Jun-2022  tsutsui Use aprint_*(9) for device attach messages.
 1.83  26-Jun-2022  tsutsui Make local devsw functions static.

No visible regression on TT030.
 1.82  25-Jun-2022  tsutsui Add a minimum DEC special graphics character support for atari ite(4).

This closes PR port-atari/46647 (Menu borders in sysinst appear as
characters with diacritical marks instead of graphics characters).

Switching encoding support by "ESC ( <F>" sequence for vt220 was
pulled from x68k ite(4) (that already supports ISO-2022-JP and EUC-JP).
Note atari's fonts already include DEC special graphics characters.
ET4000 on Hades is untested due to long-term lack of hardware.
Discussed on port-atari@ etc.
 1.81  28-May-2022  andvar fix various typos, mainly in comments.
 1.80  03-Jan-2021  thorpej malloc(9) -> kmem(9)
 1.79  29-Jun-2019  tsutsui branches: 1.79.2; 1.79.10;
Make local functions static.
 1.78  03-Sep-2018  riastradh Rename min/max -> uimin/uimax for better honesty.

These functions are defined on unsigned int. The generic name
min/max should not silently truncate to 32 bits on 64-bit systems.
This is purely a name change -- no functional change intended.

HOWEVER! Some subsystems have

#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))

even though our standard name for that is MIN/MAX. Although these
may invite multiple evaluation bugs, these do _not_ cause integer
truncation.

To avoid `fixing' these cases, I first changed the name in libkern,
and then compile-tested every file where min/max occurred in order to
confirm that it failed -- and thus confirm that nothing shadowed
min/max -- before changing it.

I have left a handful of bootloaders that are too annoying to
compile-test, and some dead code:

cobalt ews4800mips hp300 hppa ia64 luna68k vax
acorn32/if_ie.c (not included in any kernels)
macppc/if_gm.c (superseded by gem(4))

It should be easy to fix the fallout once identified -- this way of
doing things fails safe, and the goal here, after all, is to _avoid_
silent integer truncations, not introduce them.

Maybe one day we can reintroduce min/max as type-generic things that
never silently truncate. But we should avoid doing that for a while,
so that existing code has a chance to be detected by the compiler for
conversion to uimin/uimax without changing the semantics until we can
properly audit it all. (Who knows, maybe in some cases integer
truncation is actually intended!)
 1.77  29-Feb-2016  christos branches: 1.77.16; 1.77.18;
PR/50868: David Binderman: Fix operator precedence.
 1.76  25-Jul-2014  dholland branches: 1.76.4;
Add d_discard to all struct cdevsw instances I could find.

All have been set to "nodiscard"; some should get a real implementation.
 1.75  26-Mar-2014  christos branches: 1.75.2;
kill sprintf
 1.74  24-Mar-2014  christos - remove unused
- use cpu_{g,s}etmodel() (not committed yet)
 1.73  16-Mar-2014  dholland Change (mostly mechanically) every cdevsw/bdevsw I can find to use
designated initializers.

I have not built every extant kernel so I have probably broken at
least one build; however I've also found and fixed some wrong
cdevsw/bdevsw entries so even if so I think we come out ahead.
 1.72  19-Feb-2014  tsutsui Fix kernel crash when a user tries to switch to nonexistent terminal.

Reported by Gabor Sebestyen in PR port-atari/48599.

Should be pulled up to all netbsd-6 branches.
 1.71  05-Jun-2011  tsutsui branches: 1.71.2; 1.71.8; 1.71.12; 1.71.14; 1.71.16; 1.71.22;
Split device_t/softc. Also rename some softc variables. Tested on TT030.

XXX: old ugly config_console() hack should go away...
 1.70  24-Apr-2011  rmind branches: 1.70.2;
Rename ttymalloc() to tty_alloc(), and ttyfree() to tty_free() for
consistency. Remove some unnecessary malloc.h inclusions as well.
 1.69  08-Feb-2011  rmind Remove clause 3 (UCB advertising clause) from the University of Utah
copyright. Confirmed by Mike Hibler, mike at cs.utah.edu - thanks!
Also, merge UCB and Utah copyright texts back into one, as they
originally were.

Extra verification by snj@.
 1.68  13-Apr-2010  tsutsui branches: 1.68.2; 1.68.4;
Misc KNF.
 1.67  13-Apr-2010  tsutsui Include "ioconf.h" to declare struct cfdriver foo_cd.
 1.66  19-Jul-2009  tsutsui branches: 1.66.2; 1.66.4;
Remove extra whitespace added by a dumb tool which replaced bcopy with memcpy.
 1.65  18-Mar-2009  cegger bcopy -> memcpy
 1.64  18-Mar-2009  cegger bzero -> memset
 1.63  18-Mar-2009  cegger bcmp -> memcmp
 1.62  14-Mar-2009  dsl ANSIfy another 1261 function definitions.
The only ones left in sys are beyond by sed script!
(or in sys/dist or sys/external)
Mostly they have function pointer parameters.
 1.61  14-Mar-2009  dsl Change about 4500 of the K&R function definitions to ANSI ones.
There are still about 1600 left, but they have ',' or /* ... */
in the actual variable definitions - which my awk script doesn't handle.
There are also many that need () -> (void).
(The script does handle misordered arguments.)
 1.60  14-Mar-2009  dsl Remove all the __P() from sys (excluding sys/dist)
Diff checked with grep and MK1 eyeball.
i386 and amd64 GENERIC and sys still build.
 1.59  11-Jun-2008  tsutsui branches: 1.59.4; 1.59.10;
Use device_private() and device_lookup_privat() to get softc.
 1.58  19-Nov-2007  ad branches: 1.58.14; 1.58.16; 1.58.18; 1.58.20; 1.58.22;
- Factor out too many copies of the same bit of tty code.
- Fix another tty signalling/wakeup problem.
 1.57  18-Oct-2007  joerg branches: 1.57.2;
Initialise the callbacks for tty.t_rstrt_ch in ttymalloc
as all drivers but Sun/SPARC's kd.c use the same arguments.
Separate callout_reset into callout_schedule and the initial
callout_setfunc using that.
 1.56  17-Oct-2007  garbled Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.
 1.55  09-Jul-2007  ad branches: 1.55.8; 1.55.10; 1.55.14;
Merge some of the less invasive changes from the vmlocking branch:

- kthread, callout, devsw API changes
- select()/poll() improvements
- miscellaneous MT safety improvements
 1.54  04-Mar-2007  christos branches: 1.54.2; 1.54.4; 1.54.10;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.53  01-Oct-2006  elad branches: 1.53.4;
Adapt MD code to KAUTH_DEVICE_TTY_OPEN. Patch from Matt Fleming, thanks!
 1.52  23-Jul-2006  ad branches: 1.52.4; 1.52.6;
Use the LWP cached credentials where sane.
 1.51  14-May-2006  elad integrate kauth.
 1.50  26-Mar-2006  thorpej Use device_unit().
 1.49  24-Dec-2005  perry branches: 1.49.4; 1.49.6; 1.49.8; 1.49.10; 1.49.12;
__asm__ -> __asm
__const__ -> const
__inline__ -> inline
__volatile__ -> volatile
 1.48  11-Dec-2005  christos merge ktrace-lwp.
 1.47  06-Sep-2005  kleink Change the driver open function's conditional for overriding exclusive tty
use from checking the proc's uid to suser(9), and account for the use of
privileges. Noted by David Holland in PR kern/31126.
 1.46  04-Jun-2005  he branches: 1.46.2;
Adapt to compiling with -Wshadow and -Wcast-qual, by adding const
qualification in places and renaming a few local variables.
Also adds a couple uses of __UNVOLATILE() to allow passing volatile
variables to functions wanting e.g. caddr_t.
 1.45  02-Mar-2005  chs getitesp() can return NULL, so check for that in iteopen().
pointed out by Michael Hitch.
 1.44  23-Jan-2005  he branches: 1.44.2;
Adapt to the change in type of ite_on() -- don't pretend that it returns
a value anymore (return type is now void).
 1.43  19-Jan-2005  chs use a flag in the softc to indicate if an instance has been configured,
rather than a bit in 32-bit global variable indexed by unit number.
 1.42  01-Nov-2003  jdolecek branches: 1.42.8;
g/c local index() routine and switch to (libkern's) strchr()
 1.41  07-Aug-2003  agc Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.
 1.40  15-Jul-2003  lukem __KERNEL_RCSID()
 1.39  23-Oct-2002  jdolecek branches: 1.39.6;
merge kqueue branch into -current

kqueue provides a stateful and efficient event notification framework
currently supported events include socket, file, directory, fifo,
pipe, tty and device changes, and monitoring of processes and signals

kqueue is supported by all writable filesystems in NetBSD tree
(with exception of Coda) and all device drivers supporting poll(2)

based on work done by Jonathan Lemon for FreeBSD
initial NetBSD port done by Luke Mewburn and Jason Thorpe
 1.38  02-Oct-2002  thorpej Use CFATTACH_DECL().
 1.37  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.36  06-Sep-2002  gehenna Merge the gehenna-devsw branch into the trunk.

This merge changes the device switch tables from static array to
dynamically generated by config(8).

- All device switches is defined as a constant structure in device drivers.

- The new grammer ``device-major'' is introduced to ``files''.

device-major <prefix> char <num> [block <num>] [<rules>]

- All device major numbers must be listed up in port dependent majors.<arch>
by using this grammer.

- Added the new naming convention.
The name of the device switch must be <prefix>_[bc]devsw for auto-generation
of device switch tables.

- The backward compatibility of loading block/character device
switch by LKM framework is broken. This is necessary to convert
from block/character device major to device name in runtime and vice versa.

- The restriction to assign device major by LKM is completely removed.
We don't need to reserve LKM entries for dynamic loading of device switch.

- In compile time, device major numbers list is packed into the kernel and
the LKM framework will refer it to assign device major number dynamically.
 1.35  17-Mar-2002  atatat branches: 1.35.4;
Convert ioctl code to use EPASSTHROUGH instead of -1 or ENOTTY for
indicating an unhandled "command". ERESTART is -1, which can lead to
confusion. ERESTART has been moved to -3 and EPASSTHROUGH has been
placed at -4. No ioctl code should now return -1 anywhere. The
ioctl() system call is now properly restartable.
 1.34  09-Jul-2001  leo branches: 1.34.2; 1.34.4; 1.34.8;
Nuke some cf_unit abuses.
 1.33  02-May-2001  scw Add `l_poll' to `struct linesw' and provide an xxxpoll() entry point
in each tty driver to indirect through it.

This allows tty line-disciplines to handle poll(2) system calls.
 1.32  01-Feb-2001  leo branches: 1.32.2;
Fix fallout from lastest tty changes.
 1.31  02-Nov-2000  eeh Adapt to new line discipline scheme.
 1.30  28-Sep-2000  leo Move config_console() out of the grf-layer. This allows for more than just
grf-type consoles (wscons). Config_console() is now called from consinit(),
just after setting up the kernel msgbuf, so debugging is easy(er).
To further facilitate this move, the pcibus now allows for early-console
attaches by allocating static bus_space_tags (no mallocs possible at this
point).
 1.29  23-Mar-2000  thorpej New callout mechanism with two major improvements over the old
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
resource allocation.
- Insertion and removal of callouts is constant time, important as
this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 1.28  11-Feb-2000  leo Move the ite_default_* variables to ite.c. They are generic ite.
 1.27  19-Jan-2000  leo No longer abuse cf_unit. This broke with the latest autoconf changes.
 1.26  04-Jul-1998  jonathan branches: 1.26.14;
defopt DDB.
 1.25  25-Mar-1998  leo Sync with latest tty changes.
 1.24  12-Jan-1998  thorpej Update for changes to config.
 1.23  29-Jun-1997  leo Add code to set pitch and duration of the keyboard bell. (Thomas Gerner).
 1.22  10-Jan-1997  leo Handle keyboard modifiers *before* handing the keycodes to either the
console driver or the DDB keyboard functions. This prevents annoyances
with out of sync modifier stati.
 1.21  08-Jan-1997  leo Don't try to init the keyboard interrupts in cngetc(). This caused the
keyboard to hang when booting directly into the debugger.
 1.20  20-Dec-1996  leo Get rid of BROKEN_INDIRECT_CONFIG
 1.19  13-Oct-1996  christos backout previous kprintf changes
 1.18  11-Oct-1996  leo Remove grf_ite_ioctl(). Replace it by 'itexx_ioctl' that is configurable
per ite-type.
 1.17  11-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.16  25-Sep-1996  leo The KDASSERT macro is now defined in libkern
 1.15  16-Sep-1996  leo Prepare for (soon to come) et4000 PCI console.
 1.14  02-Sep-1996  mycroft tty stop functions really should return void, not int, and certainly not both.
 1.13  18-Jun-1996  leo Add tty_attach() calls.
 1.12  18-Apr-1996  leo branches: 1.12.4;
Yet more prototyping and -Wall fixes.
 1.11  20-Mar-1996  leo Another bit of prototyping...
 1.10  19-Mar-1996  leo Debugger() prototype is in systm.h, don't define Debugger() here.
 1.9  17-Mar-1996  thorpej New device attachment scheme:

- split softc size and match/attach out from cfdriver into
a new struct cfattach.

- new "attach" directive for files.*. May specify the name of
the cfattach structure, so that devices may be easily attached
to parents with different autoconfiguration semantics.
 1.8  22-Feb-1996  leo First bunch of changes due to stricter prototype checking.
 1.7  04-Sep-1995  leo Allow chars > 0x7f to be displayed on the ite's
 1.6  24-Jul-1995  leo Change and fix the way of keyboard mapping. Each virtual console has it's
own private keymap, initialized on open from the system-keymap. Both
system and private keymaps are settable.
 1.5  21-May-1995  leo Minor fixes.
 1.4  22-Apr-1995  leo Adapt for new conf.h:
- Add xxxtty() functions
- Remove xxx_tty array
 1.3  10-Apr-1995  mycroft Add dummy itestop(), and rename a few functions.
 1.2  28-Mar-1995  leo Make ite ioctl work and fixup the colormap stuff.
 1.1  26-Mar-1995  leo branches: 1.1.1;
Initial revision
 1.1.1.1  26-Mar-1995  leo NetBSD/Atari, port by Leo Weppelman.
 1.12.4.1  18-Jun-1996  leo Pull up tty_attach() changes from trunk.
 1.26.14.3  11-Feb-2001  bouyer Sync with HEAD.
 1.26.14.2  22-Nov-2000  bouyer Sync with HEAD.
 1.26.14.1  20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.32.2.1  21-Jun-2001  nathanw Catch up to -current.
 1.34.8.5  11-Nov-2002  nathanw Catch up to -current
 1.34.8.4  18-Oct-2002  nathanw Catch up to -current.
 1.34.8.3  17-Sep-2002  nathanw Catch up to -current.
 1.34.8.2  01-Apr-2002  nathanw Catch up to -current.
(CVS: It's not just a program. It's an adventure!)
 1.34.8.1  09-Jul-2001  nathanw file ite.c was added on branch nathanw_sa on 2002-04-01 07:39:32 +0000
 1.34.4.2  13-Oct-2001  fvdl Revert the t_dev -> t_devvp change in struct tty. The way that tty
structs are currently used (especially by console ttys) aren't
ready for it, and this will require quite a few changes.
 1.34.4.1  10-Oct-2001  fvdl Convert all remaining devices.
 1.34.2.2  10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.34.2.1  23-Jun-2002  jdolecek catch up with -current on kqueue branch
 1.35.4.1  19-May-2002  gehenna Add device switch.
Replace the access to devsw table and the hard-coded majors with devsw API.
 1.39.6.7  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.39.6.6  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.39.6.5  24-Jan-2005  skrll Sync with HEAD.
 1.39.6.4  17-Jan-2005  skrll Adapt to branch.
 1.39.6.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.39.6.2  18-Sep-2004  skrll Sync with HEAD.
 1.39.6.1  03-Aug-2004  skrll Sync with HEAD
 1.42.8.1  29-Apr-2005  kent sync with -current
 1.44.2.1  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.46.2.5  07-Dec-2007  yamt sync with head
 1.46.2.4  27-Oct-2007  yamt sync with head.
 1.46.2.3  03-Sep-2007  yamt sync with head.
 1.46.2.2  30-Dec-2006  yamt sync with head.
 1.46.2.1  21-Jun-2006  yamt sync with head.
 1.49.12.2  24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.49.12.1  28-Mar-2006  tron Merge 2006-03-28 NetBSD-current into the "peter-altq" branch.
 1.49.10.4  13-May-2006  elad sprinkle some #include <sys/kauth.h> in files that use kauth kpi but
don't include it yet. hopefully this will prevent some fallout.
 1.49.10.3  19-Apr-2006  elad sync with head - hopefully this will work
 1.49.10.2  10-Mar-2006  elad generic_authorize() -> kauth_authorize_generic().
 1.49.10.1  08-Mar-2006  elad Adapt to kernel authorization KPI.

I expect *some* lossage here...
 1.49.8.3  11-Aug-2006  yamt sync with head
 1.49.8.2  24-May-2006  yamt sync with head.
 1.49.8.1  01-Apr-2006  yamt sync with head.
 1.49.6.2  01-Jun-2006  kardel Sync with head.
 1.49.6.1  22-Apr-2006  simonb Sync with head.
 1.49.4.1  09-Sep-2006  rpaulo sync with head
 1.52.6.1  22-Oct-2006  yamt sync with head
 1.52.4.1  18-Nov-2006  ad Sync with head.
 1.53.4.1  12-Mar-2007  rmind Sync with HEAD.
 1.54.10.1  03-Oct-2007  garbled Sync with HEAD
 1.54.4.1  11-Jul-2007  mjf Sync with head.
 1.54.2.3  03-Dec-2007  ad Sync with HEAD.
 1.54.2.2  23-Oct-2007  ad Sync with head.
 1.54.2.1  15-Jul-2007  ad Sync with head.
 1.55.14.2  21-Nov-2007  bouyer Sync with HEAD
 1.55.14.1  25-Oct-2007  bouyer Sync with HEAD.
 1.55.10.2  09-Jan-2008  matt sync with HEAD
 1.55.10.1  06-Nov-2007  matt sync with HEAD
 1.55.8.2  21-Nov-2007  joerg Sync with HEAD.
 1.55.8.1  26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.57.2.1  08-Dec-2007  mjf Sync with HEAD.
 1.58.22.1  18-Jun-2008  simonb Sync with head.
 1.58.20.1  23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.58.18.3  11-Aug-2010  yamt sync with head.
 1.58.18.2  19-Aug-2009  yamt sync with head.
 1.58.18.1  04-May-2009  yamt sync with head.
 1.58.16.1  17-Jun-2008  yamt sync with head.
 1.58.14.1  29-Jun-2008  mjf Sync with HEAD.
 1.59.10.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.59.4.1  28-Apr-2009  skrll Sync with HEAD.
 1.66.4.4  12-Jun-2011  rmind sync with head
 1.66.4.3  31-May-2011  rmind sync with head
 1.66.4.2  05-Mar-2011  rmind sync with head
 1.66.4.1  30-May-2010  rmind sync with head
 1.66.2.1  30-Apr-2010  uebayasi Sync with HEAD.
 1.68.4.1  17-Feb-2011  bouyer Sync with HEAD
 1.68.2.1  06-Jun-2011  jruoho Sync with HEAD.
 1.70.2.1  23-Jun-2011  cherry Catchup with rmind-uvmplock merge.
 1.71.22.1  21-Feb-2014  sborrill Pull up the following revisions(s) (requested by tsutsui in ticket #1033):
sys/arch/atari/dev/ite.c: revision 1.72

Fix kernel crash when a user tries to switch to nonexistent terminal.
Fixes PR/48599.
 1.71.16.1  18-May-2014  rmind sync with head
 1.71.14.1  21-Feb-2014  sborrill Pull up the following revisions(s) (requested by tsutsui in ticket #1033):
sys/arch/atari/dev/ite.c: revision 1.72

Fix kernel crash when a user tries to switch to nonexistent terminal.
Fixes PR/48599.
 1.71.12.2  03-Dec-2017  jdolecek update from HEAD
 1.71.12.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.71.8.1  21-Feb-2014  sborrill Pull up the following revisions(s) (requested by tsutsui in ticket #1033):
sys/arch/atari/dev/ite.c: revision 1.72

Fix kernel crash when a user tries to switch to nonexistent terminal.
Fixes PR/48599.
 1.71.2.1  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.75.2.1  10-Aug-2014  tls Rebase.
 1.76.4.1  19-Mar-2016  skrll Sync with HEAD
 1.77.18.2  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.77.18.1  10-Jun-2019  christos Sync with HEAD
 1.77.16.1  06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.79.10.1  03-Apr-2021  thorpej Sync with HEAD.
 1.79.2.1  11-Sep-2022  martin Pull up following revision(s) (requested by tsutsui in ticket #1518):

sys/arch/atari/dev/ite.c: revision 1.82
sys/arch/atari/dev/ite_cc.c: revision 1.45
sys/arch/atari/dev/ite_et.c: revision 1.36
sys/arch/atari/dev/itevar.h: revision 1.15

Add a minimum DEC special graphics character support for atari ite(4).

This closes PR port-atari/46647 (Menu borders in sysinst appear as
characters with diacritical marks instead of graphics characters).

Switching encoding support by "ESC ( <F>" sequence for vt220 was
pulled from x68k ite(4) (that already supports ISO-2022-JP and EUC-JP).

Note atari's fonts already include DEC special graphics characters.
ET4000 on Hades is untested due to long-term lack of hardware.

Discussed on port-atari@ etc.

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