Alan Cox [Sat, 27 Dec 2014 00:45:09 +0000 (00:45 +0000)]
Oops: revert Will's bits I didn't mean to merge
Alan Cox [Sat, 27 Dec 2014 00:42:05 +0000 (00:42 +0000)]
Merge Will's fixes
Merge branch 'master' of https://github.com/EtchedPixels/FUZIX
Alan Cox [Sat, 27 Dec 2014 00:40:22 +0000 (00:40 +0000)]
syscall-z88dk: initial fix ups
It now looks plausible but isn't yet tested
Alan Cox [Sat, 27 Dec 2014 00:39:56 +0000 (00:39 +0000)]
syscall: 32bytes per dirent needed
Alan Cox [Sat, 27 Dec 2014 00:39:35 +0000 (00:39 +0000)]
syscall_name: Fix wrong entries
Ones found while building the Z88DK test C lib
Alan Cox [Sat, 27 Dec 2014 00:39:09 +0000 (00:39 +0000)]
uname: pass the load average bits down
EtchedPixels [Sat, 27 Dec 2014 00:37:14 +0000 (00:37 +0000)]
Merge pull request #27 from willsowerbutts/master
Library sleep() -- update for time() API change.
Will Sowerbutts [Sat, 27 Dec 2014 00:36:08 +0000 (00:36 +0000)]
Various tweaks to utilities to build cleanly on my system
Will Sowerbutts [Sat, 27 Dec 2014 00:05:02 +0000 (00:05 +0000)]
Library sleep() -- update for time() API change.
Alan Cox [Fri, 26 Dec 2014 22:41:04 +0000 (22:41 +0000)]
Correct spelling of LICENCE. This is a UK based project so there
Alan Cox [Fri, 26 Dec 2014 21:40:55 +0000 (21:40 +0000)]
z88dk: Add first pieces to bootstrap Z88DK for Fuzix
Alan Cox [Fri, 26 Dec 2014 20:42:43 +0000 (20:42 +0000)]
syscall uname: Add the uptime data
While are breaking the prototype ABI lets just stuff the uptime data in
the sysinfo block and be done with it.
Alan Cox [Fri, 26 Dec 2014 20:31:06 +0000 (20:31 +0000)]
syscalls: extra argument for _stime()
Alan Cox [Fri, 26 Dec 2014 20:30:00 +0000 (20:30 +0000)]
time: correct bug, add stime time type
This finishes the basic provision for multiple time sources
Alan Cox [Fri, 26 Dec 2014 20:26:24 +0000 (20:26 +0000)]
execve: change binary format, add a byte for bank base and align fields
Alan Cox [Fri, 26 Dec 2014 20:25:42 +0000 (20:25 +0000)]
crt0: Add a byte for the base of the binary
Next step in the ABI breaking changes
Alan Cox [Fri, 26 Dec 2014 20:25:21 +0000 (20:25 +0000)]
chmem: Update for new format binaries
Alan Cox [Fri, 26 Dec 2014 20:16:01 +0000 (20:16 +0000)]
time: resynch library with API change for time()
Better to do this before we have too many dependancies than to delay it
until we can't change it.
Alan Cox [Fri, 26 Dec 2014 20:11:09 +0000 (20:11 +0000)]
syscall_name: add argument counts to the tables
We will need these to automate creation of some types of call stubs
Alan Cox [Fri, 26 Dec 2014 20:10:36 +0000 (20:10 +0000)]
syscall_proc: change _time to allow multiple kinds of time
Add since boot monotomic time.
Yes this is an ABI break....
Alan Cox [Fri, 26 Dec 2014 20:10:22 +0000 (20:10 +0000)]
syscall: correct arg descriptions in uname
Alan Cox [Tue, 23 Dec 2014 22:49:02 +0000 (22:49 +0000)]
socz80: start reworking MMU code for 16K banking model
Bank switching functions, and switchin/switchout looked at so far. The fork
copying code remains to be done. Here it definitely makes sense to use the
MMU page 17 logic, but we now need to do it in 16K chunks.
Alan Cox [Tue, 23 Dec 2014 22:46:57 +0000 (22:46 +0000)]
socz80: config.h updates
Alan Cox [Tue, 23 Dec 2014 22:46:37 +0000 (22:46 +0000)]
socz80: ramtop has changed type
Start bringing socz80 back into line
Alan Cox [Tue, 23 Dec 2014 21:06:04 +0000 (21:06 +0000)]
TODO: rtc done(ish)
Alan Cox [Mon, 22 Dec 2014 16:54:20 +0000 (16:54 +0000)]
README: update
Alan Cox [Mon, 22 Dec 2014 15:31:35 +0000 (15:31 +0000)]
PORTING: some updates
Alan Cox [Mon, 22 Dec 2014 15:11:08 +0000 (15:11 +0000)]
z80pack-lite: add RTC support
Alan Cox [Mon, 22 Dec 2014 14:54:59 +0000 (14:54 +0000)]
z80pack: turn on RTC support
Alan Cox [Mon, 22 Dec 2014 14:54:42 +0000 (14:54 +0000)]
z80pack: fix vt.c build failure
Alan Cox [Mon, 22 Dec 2014 14:54:22 +0000 (14:54 +0000)]
z80pack: add rtc helper
Alan Cox [Mon, 22 Dec 2014 14:30:41 +0000 (14:30 +0000)]
trs80: ensure the rtc digit wrap doesn't catch us out
Alan Cox [Mon, 22 Dec 2014 14:30:28 +0000 (14:30 +0000)]
nc100: add RTC support
Alan Cox [Mon, 22 Dec 2014 13:04:09 +0000 (13:04 +0000)]
trs80: CRTC reg 0 was not being set
Backported from Microbee port
Alan Cox [Mon, 22 Dec 2014 13:03:54 +0000 (13:03 +0000)]
trs80: turn on the RTC support
Alan Cox [Mon, 22 Dec 2014 12:42:14 +0000 (12:42 +0000)]
ubee: 64 ticks/second and turn on the RTC
We'll need the RTC in fact as 64 doesn't divide by 10
Alan Cox [Mon, 22 Dec 2014 12:39:17 +0000 (12:39 +0000)]
timer: add initial support for RTC seconds locking
We don't try and use the RTC as our actual clock. Many RTCs are not Y2K safe
or have their own interesting sets of problems. We would also have to keep
doing Unix type v RTC time conversion maths.
Instead we treat the RTC seconds as a free running counter and update our
second tick as we see the RTC one shift. This also gives us up to 59 seconds
of 'overrun' which should do for the worst case disk I/O problems.
Alan Cox [Mon, 22 Dec 2014 12:38:30 +0000 (12:38 +0000)]
process: note problem to look at wrt ubee and 64 ticks/second
Alan Cox [Mon, 22 Dec 2014 12:38:12 +0000 (12:38 +0000)]
ubee: clean up some remaining TRS80isms
Alan Cox [Mon, 22 Dec 2014 11:51:50 +0000 (11:51 +0000)]
ubee: enable CRTC loading
Load the CRTC up for 80x25 mode using the table given in the 256TC manuals
Alan Cox [Mon, 22 Dec 2014 11:51:15 +0000 (11:51 +0000)]
trs80: Set a 2ms seek time on the hard disk
Alan Cox [Sun, 21 Dec 2014 22:07:57 +0000 (22:07 +0000)]
ubee,devhd: step rates and the like
Alan Cox [Sun, 21 Dec 2014 21:58:01 +0000 (21:58 +0000)]
ubee: Further floppy driver bashing
512 bytes/sector, double sided
Also set the step to 6ms
Alan Cox [Sun, 21 Dec 2014 21:17:47 +0000 (21:17 +0000)]
ubee: More work on the disk controllers
Set the WD1002 up correctly for and work in 512 bytes/sector mode. This should
bring the devhd side roughly where we need it. This doesn't deal with the
precomp values (can we trust the firmware?) or disk step rates (can we read
the firmware set values somewhere ?)
Alan Cox [Sun, 21 Dec 2014 20:51:29 +0000 (20:51 +0000)]
ubee,devhd: Bring more into line with what is needed
Minor 4-7 are the floppy devices on the WD1002-5 and for those we must set the
side bit in port 0x48
Implement the 0x58 device select logic
Check the device is present on open
Alan Cox [Sun, 21 Dec 2014 20:50:14 +0000 (20:50 +0000)]
ubee,devfd: add device select support for port 0x58
It's probably not present but it costs us nothing much to support
Alan Cox [Sun, 21 Dec 2014 20:16:49 +0000 (20:16 +0000)]
trs80: WD1010 driver FIXME is obsolete
Alan Cox [Sun, 21 Dec 2014 17:55:15 +0000 (17:55 +0000)]
ubee: initial bits cloned from the TRS80 to begin a Microbee 128/256/512 port
Alan Cox [Sun, 21 Dec 2014 17:53:05 +0000 (17:53 +0000)]
README: update for TRS80
Alan Cox [Sun, 21 Dec 2014 16:53:55 +0000 (16:53 +0000)]
trs80: clean up monitor bits
Alan Cox [Sun, 21 Dec 2014 15:32:33 +0000 (15:32 +0000)]
trs80: enable floppy disk write support
Alan Cox [Sat, 20 Dec 2014 00:28:19 +0000 (00:28 +0000)]
trs80, hd: Make the hard disk driver work and add swap
With this we can now swap on the TRS80 platform and things seem to work
acceptably. Disk size and other properties are hardcoded in ways that will
need fixing. Partitioning support also needs to be added.
Alan Cox [Sat, 20 Dec 2014 00:26:58 +0000 (00:26 +0000)]
trs80: serial debug
This makes the serial debug work in the emulator. It's not sufficient for
doing serial debug on a real TRS80
Alan Cox [Fri, 19 Dec 2014 01:30:26 +0000 (01:30 +0000)]
z80fixedbank: Always use the swapstack
If we don't then when we call map_kernel after copying the udata back we
will scribble somewhere on the stack of the process. We could potentially
move the switch back to the point we've fixed up sp, but as we have a swap
stack we might as well use it.
If we get banked boxes without swap then it may be worth looking at the other
path for a lib/z80fixedbanknswap.s
Alan Cox [Fri, 19 Dec 2014 01:13:17 +0000 (01:13 +0000)]
trs80: start tidying up the hd support
Add swap hooks etc
Alan Cox [Fri, 19 Dec 2014 01:12:22 +0000 (01:12 +0000)]
bankfixed: check the right define
Alan Cox [Thu, 18 Dec 2014 23:17:04 +0000 (23:17 +0000)]
process: Correct handling of out of processes case
When the error handling was updated this path was broken. With this fixed
running out of memory/swap now correctly fails with ENOMEM
Alan Cox [Thu, 18 Dec 2014 22:34:52 +0000 (22:34 +0000)]
zx128: We can't yet use the shared banker for this, but prepare anyway
Alan Cox [Thu, 18 Dec 2014 21:34:25 +0000 (21:34 +0000)]
trs80: Add serial, keyboard and interrupt handling
This gives a console you can type into and which is at least good enough
to set the root fs. It follows the standard TRS80 layout but with some extra
ctrl and ctrl-shift hooks for useful keys Tandy forgot to include ({} etc)
Alan Cox [Thu, 18 Dec 2014 21:34:02 +0000 (21:34 +0000)]
trs80: 80x24 not 80x25
Alan Cox [Thu, 18 Dec 2014 21:33:17 +0000 (21:33 +0000)]
trs80, fd: update the floppy disk driver
This is sufficient to mount the root file system and go hunting for init. It
will probably go further still once the other bits are in place
Alan Cox [Thu, 18 Dec 2014 21:32:35 +0000 (21:32 +0000)]
z80pack: add the map_process_a method needed by shared bank code
Alan Cox [Thu, 18 Dec 2014 21:31:53 +0000 (21:31 +0000)]
z80pack: Switch to shared z80 banking code
Alan Cox [Thu, 18 Dec 2014 21:31:30 +0000 (21:31 +0000)]
trs80: use shared bank code
Alan Cox [Thu, 18 Dec 2014 21:31:04 +0000 (21:31 +0000)]
trs80: move to E800
Make room make room
Alan Cox [Thu, 18 Dec 2014 21:30:05 +0000 (21:30 +0000)]
mtx; switch to the shared z80 banking code
Alan Cox [Thu, 18 Dec 2014 21:29:04 +0000 (21:29 +0000)]
z80: introduce a common z80fixedbank.s
This is sufficient for most setups using fixed banks and a common.
Alan Cox [Thu, 18 Dec 2014 11:56:39 +0000 (11:56 +0000)]
trs80: bring things up to the bootdev prompt
Somewhat of a redesign of the original guesswork.
Alan Cox [Thu, 18 Dec 2014 11:55:47 +0000 (11:55 +0000)]
vt: Fixes for the simple vt code
Work around what appears to be an sdcc bug
Allow cursor_off to be called first without writing over address 0
Alan Cox [Thu, 18 Dec 2014 11:55:14 +0000 (11:55 +0000)]
start: remove old tty debug, and fix mix of (c) and (C)
Alan Cox [Thu, 18 Dec 2014 00:53:20 +0000 (00:53 +0000)]
trs80load: TRS80 loader
Assumes single sided double density disk. Sets up the memory map, moves itself
to 0x00-0xff and then loads the kernel at 0x100 before running it.
Alan Cox [Thu, 18 Dec 2014 00:52:24 +0000 (00:52 +0000)]
trs80: move udata and program top
Matches the linker and allows for the fact that F400-FFFF is occupied by
the keyboard mmio and the video map
Alan Cox [Thu, 18 Dec 2014 00:51:12 +0000 (00:51 +0000)]
process: flag a tiny race
I think we can just remove the restore, but needs checking over
Alan Cox [Thu, 18 Dec 2014 00:50:46 +0000 (00:50 +0000)]
trs80,floppy: bug fixes noticed in passing
Alan Cox [Thu, 18 Dec 2014 00:50:20 +0000 (00:50 +0000)]
trs80: update config.h
Alan Cox [Thu, 18 Dec 2014 00:49:53 +0000 (00:49 +0000)]
trs80: Add a tool to build the needed jv3 images
Alan Cox [Thu, 18 Dec 2014 00:49:29 +0000 (00:49 +0000)]
trs80: adjust link map to make more sense
Alan Cox [Thu, 18 Dec 2014 00:48:23 +0000 (00:48 +0000)]
mtx: now the serial is sorted remove the polling
Alan Cox [Wed, 17 Dec 2014 00:33:11 +0000 (00:33 +0000)]
6502: Clean up the expanded 6502 bits
This now assembles at least, I doubt it actually does anything useful.
Alan Cox [Tue, 16 Dec 2014 23:42:05 +0000 (23:42 +0000)]
TODO: update done stuff, also fix related comment that was stale
Alan Cox [Tue, 16 Dec 2014 23:34:52 +0000 (23:34 +0000)]
mtx: Update the floppy code to turn off the motor when its done
Alan Cox [Tue, 16 Dec 2014 23:34:39 +0000 (23:34 +0000)]
mtx: update the README
Alan Cox [Tue, 16 Dec 2014 23:15:08 +0000 (23:15 +0000)]
mtx: include a 6x8 font and upload it into the VDP
We can't it seems rely upon the firmware to have done this for us.
Alan Cox [Tue, 16 Dec 2014 23:13:30 +0000 (23:13 +0000)]
vt: don't vanish the cursor on vt switches
This will need revisiting because the vt implementations mostly keep a single
'what was under the cursor' and 'cursor address'. We may need to make these
live in a standard place and save them too.
Alan Cox [Tue, 16 Dec 2014 23:12:18 +0000 (23:12 +0000)]
mtx: tty fixes
Update comments
Fix the F1/F2 handling
Lock interrupts off to avoid an interrupt messing up a tty update by switching
mid update. This really needs a better model of processing, eg deferring the
echoed character if mid processing
Alan Cox [Tue, 16 Dec 2014 23:12:02 +0000 (23:12 +0000)]
mtx: correct pagemap loading
Alan Cox [Tue, 16 Dec 2014 21:12:12 +0000 (21:12 +0000)]
z80: note assumption in commonmem sizing
Alan Cox [Tue, 16 Dec 2014 18:36:08 +0000 (18:36 +0000)]
mtx: allow some more space during boot by moving _DISCARD a bit
Alan Cox [Tue, 16 Dec 2014 18:35:23 +0000 (18:35 +0000)]
font6x8: Include config.h
Alan Cox [Tue, 16 Dec 2014 18:33:55 +0000 (18:33 +0000)]
font6x8: Add to Makefile
Build the 6x8 font when needed
Alan Cox [Tue, 16 Dec 2014 18:32:40 +0000 (18:32 +0000)]
font8x8: Shrink font, compensate for base change
It's dumb having the small font 128 symbols long when the first 32 are
weird stuff. Make it 96, and shift by 32 chars when printing. Saves us 256
bytes
Alan Cox [Tue, 16 Dec 2014 18:32:01 +0000 (18:32 +0000)]
font6x8: 6 by 8 font courtesy of LinuxLCD
Alan Cox [Tue, 16 Dec 2014 18:31:45 +0000 (18:31 +0000)]
README: update
Alan Cox [Mon, 15 Dec 2014 22:45:52 +0000 (22:45 +0000)]
mtx: Clean up the port and tidy loose ends
Memory sizing
DART setup
Better CTC configuration
Use IM2 so we can tell CTC and DART interrupts apart
Alan Cox [Mon, 15 Dec 2014 12:20:36 +0000 (12:20 +0000)]
mtx: README
Explain the shortcut way to load the images
Alan Cox [Mon, 15 Dec 2014 12:13:23 +0000 (12:13 +0000)]
mtx: clean up caching of page state
map_restore restored the map but not the cache of the write only port, this
then caused crashes if interrupt returns occurred during a user memory
access.
Use the helpers throughout for neatness
Alan Cox [Sun, 14 Dec 2014 23:26:01 +0000 (23:26 +0000)]
mtx: mask sector count on side1
The MTX512 doesn't write sector labels 17-32 on the second side but recycles
1-16
Alan Cox [Sun, 14 Dec 2014 23:19:29 +0000 (23:19 +0000)]
mtx512: undo that
Amazing what a floppy bug can look like
The disk order is just fine
Alan Cox [Sun, 14 Dec 2014 23:04:43 +0000 (23:04 +0000)]
mtx512: Add tools for converting fuzix fs images into mfloppy disk format
Alan Cox [Sun, 14 Dec 2014 23:01:59 +0000 (23:01 +0000)]
mtx: 80 column driver
Use the crtc to do hardware scrolling