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184 Commits

Author SHA1 Message Date
Virgil Dupras
029df00ad4 Free some space for xcomp core 2020-05-13 09:11:57 -04:00
Virgil Dupras
56af516d07 Move core's fmt to xcomp core (high) 2020-05-13 09:02:44 -04:00
Virgil Dupras
e2e9faef2c Move a bunch of words from core to xcomp core 2020-05-13 08:50:07 -04:00
Virgil Dupras
d6a3e79394 Free some space for xcomp core low 2020-05-13 08:00:49 -04:00
Virgil Dupras
ddf23e3d02 Move a bunch of words from core to xcomp core 2020-05-13 07:55:36 -04:00
Virgil Dupras
6a5ff3adcb rc2014: unify SD Card driver 
Now more low/high layers.
 2020-05-12 21:48:29 -04:00
Virgil Dupras
cbf5baf3b6 Pack core words a bit 
This leaves space for xcomp-core which is growing.
 2020-05-12 21:27:06 -04:00
Virgil Dupras
dfe474ca0e xcomp: add XCOMPILE and X[COMPILE] 
This allows us to move words like ABORT" to xcomp-core, which is
I think the last roadblock before being able to unify all drivers
into a single xcomp layer.
 2020-05-12 21:08:18 -04:00
Virgil Dupras
44b065ff99 ti84: unify drivers 
No more low/high
 2020-05-12 12:41:47 -04:00
Virgil Dupras
1094ec9c57 Make DO..LOOP stable 
DO and LOOP now only compile words from stable ABI, which make them
suitable for xcomp. This will greatly simplify driver writing and
allow us to mostly avoid the low/high divide in drivers.

LEAVE is still xcomp-incompatible though.

This make us very very tight for "<0x100" limit for literal words.
Hopefully, we won't need more stuff in that area of the binary...
 2020-05-12 10:40:59 -04:00
Virgil Dupras
b760c2d353 SCPY: don't copy the NULL 
This makes [entry] much simpler. Also, remove unused LITS word.
 2020-05-12 07:36:20 -04:00
Virgil Dupras
231d727598 Move a few words from core to xcomp core 2020-05-12 07:21:34 -04:00
Virgil Dupras
9ad7ee7a4b Rename Inner core to Cross-compiled core 
And refreshed description.
 2020-05-11 22:23:26 -04:00
Virgil Dupras
6beb082e29 acia: make wholly cross compilable 2020-05-11 21:52:44 -04:00
Virgil Dupras
da371451cc Replace INITIAL_SP with PS_ADDR conf 
Now I struggle to remember why I ever did things they way I did.
There must have been a reason...
 2020-05-11 21:08:24 -04:00
Virgil Dupras
73482e7ea1 Reword root block 
Usage of "LIST" wasn't explicit enough for a complete newcomer. I
hope that with this wording, anyone can figure out how to navigate
blocks and learn the system.
 2020-05-11 20:12:21 -04:00
Virgil Dupras
73b6d9905e Add 7x7 font 2020-05-10 21:37:23 -04:00
Virgil Dupras
62ae1012df ti84: allow case select during a-lock with 2nd mode 2020-05-10 11:39:10 -04:00
Virgil Dupras
a6aba40327 ti84: fix a-lock debouncing bug 
Yup, it was a deja vu. I remember now.
 2020-05-10 11:26:58 -04:00
Virgil Dupras
06a4674317 ti84: implement a-lock 
There's a bug where the first char after a-lock isn't a-modded. I
have troubles figuring it out for now. It feels like deja vu. I
think I had the same problem with asm.
 2020-05-10 09:37:36 -04:00
Virgil Dupras
a476773813 Add words BIT@ and BIT! 2020-05-10 08:40:49 -04:00
Virgil Dupras
244776a7eb ti84: enable alpha key 2020-05-09 20:54:47 -04:00
Virgil Dupras
abafd6d67b ti84: fix glitches 2020-05-09 15:31:41 -04:00
Virgil Dupras
e06d6c5345 ti84: we have a prompt 2020-05-09 14:28:55 -04:00
Virgil Dupras
4ce0727c72 ti84: kbd driver wip 2020-05-09 11:55:58 -04:00
Virgil Dupras
2f1e635b9d ti84: tidy up driver code 
Pushed all words directly interfacing with ports and memory offsets to
low level layers. This saves us the need for keeping those variables in
runtime memory.
 2020-05-09 08:50:55 -04:00
Virgil Dupras
b2d71cb1ee ti84: add Z offset mechanism 2020-05-09 08:13:49 -04:00
Virgil Dupras
afc2327770 Split icore in 2 parts 
The goal is to insert device drivers in between.
 2020-05-08 21:47:03 -04:00
Virgil Dupras
baf725aa38 Move a bunch of words from core to inner core 
That makes it easier to write drivers that can be xcompiled.
 2020-05-08 20:55:50 -04:00
Virgil Dupras
ffdc58739a ti84: HelloWorld! 
In emulator of course...
 2020-05-08 11:36:50 -04:00
Virgil Dupras
b90efb0f7f ti84: first glyph on screen! 
On the emulator of course...
 2020-05-08 09:07:44 -04:00
Virgil Dupras
58ec54fc97 ti84: wip 
Gave more priority to CPU in the emulator because initialization would
otherwise be horrendously slow.
 2020-05-08 07:56:34 -04:00
Virgil Dupras
114e753b64 ti84: WIP 2020-05-08 06:50:34 -04:00
Virgil Dupras
24e588019b Add words RSHIFT and LSHIFT 2020-05-07 15:41:43 -04:00
Virgil Dupras
4e98ef11bd ti-84+: wip 
I need RSHIFT and LSHIFT first...
 2020-05-07 15:08:42 -04:00
Virgil Dupras
f2f3474698 Begin copying fonts (and compiler) to blk 2020-05-07 12:09:52 -04:00
Virgil Dupras
be66d7b4a2 editor: implement E 2020-05-07 08:44:17 -04:00
Virgil Dupras
204a9c69f8 editor: fix PSP leak in F 2020-05-07 08:38:57 -04:00
Virgil Dupras
feb0411530 editor: simplify I with the use of MOVE- 
Also, delay the shadowing of DO..LOOP's I for as long as possible.
 2020-05-06 21:10:27 -04:00
Virgil Dupras
eaeb138a0c Add words C@- C!- and MOVE- 2020-05-06 20:37:08 -04:00
Virgil Dupras
690d9e6313 editor: improve I 
Make it print edited line and also have it adjust cursor pos.
 2020-05-06 17:41:49 -04:00
Virgil Dupras
58ece9f9a1 editor: implement I command 
Also, made LIST properly handle full 64-chars lines not ending with
a null or CR. Previously, such a line would be accompanied by its
following line, duplicating that line's output.
 2020-05-06 12:19:36 -04:00
Virgil Dupras
f54b1dc504 Add 2>R and 2R> 
This allows us to make DO..LOOP more compact.
 2020-05-06 09:55:05 -04:00
Virgil Dupras
b89fa2981f recipes/trs80: move RECV program to blkfs 2020-05-05 22:21:27 -04:00
Virgil Dupras
60b4bbf28a Fix DUMP's broken "round up to next 8" logic 
This was caused by the removal of signed-ness a long while ago.
 2020-05-05 22:09:11 -04:00
Virgil Dupras
9df053b76c z80a: add CPn, 2020-05-05 21:49:26 -04:00
Virgil Dupras
fa79e3d8a6 Make (print) stop on CR 
Lines edited with the Block editor end with 0xd and (print) spits
spurious CR when printing those lines.

Also, properly initialize ACC in BROWSE.
 2020-05-05 15:49:50 -04:00
Virgil Dupras
c681cb639d Add words >< and =><= 2020-05-04 22:30:29 -04:00
Virgil Dupras
c494917452 blk: Add LOAD+ and LOADR+ 
And use them in all places they make sense.
 2020-05-04 21:43:48 -04:00
Virgil Dupras
3c2e0dd9df Add usage guide section about disk blocks 2020-05-04 20:37:40 -04:00
Virgil Dupras
24e9fa0c30 Add word NL 2020-05-04 08:10:18 -04:00
Virgil Dupras
a3c3a2f44a Remove unused DELW 2020-05-03 20:36:35 -04:00
Virgil Dupras
8ef197d248 Make linker more compact 
There was a weird empty block in the middle of the program.
 2020-05-03 20:33:36 -04:00
Virgil Dupras
a96b5f1dec Restore DOES> section in usage guide 
I removed it because it was redundant with Starting Forth, but
I directly reference it in the dictionary, so well...
 2020-05-03 20:24:54 -04:00
Virgil Dupras
e375562a9f Revamp dictionary's glossary 2020-05-03 20:18:34 -04:00
Virgil Dupras
df242bb9eb Revamp usage guide a bit 2020-05-03 19:24:41 -04:00
Virgil Dupras
f023f9bcb4 Pack core words blks a bit tighter 
With all this recent movements, we had a bit of a fragmentation
issue.
 2020-05-02 21:47:32 -04:00
Virgil Dupras
3373f53997 tidy up blk and fix tests 2020-05-02 21:25:35 -04:00
Virgil Dupras
3d908cef3a Move all parsing words to Inner core 
This allows us to get rid of the (parse*) indirection.
 2020-05-02 21:21:47 -04:00
Virgil Dupras
8009270e79 Optimize parsing words 2020-05-02 20:32:20 -04:00
Virgil Dupras
931c812394 Remove cmp 
Not worth the complexity and space.
 2020-05-02 19:57:56 -04:00
Virgil Dupras
0b3a328e65 Add a layer of indirection for KEY 2020-05-02 11:17:28 -04:00
Virgil Dupras
446a58006d Remove one of the 2 indirection layers for EMIT 
2 was overkill
 2020-05-02 10:26:34 -04:00
Virgil Dupras
443ed754e9 trs80: add missing blk 2020-05-02 08:27:24 -04:00
Virgil Dupras
3a27479f2b fix stupid typo 
I don't believe this, one hour of my life I'll never get back.
 2020-05-02 08:06:37 -04:00
Virgil Dupras
b8d8007a3f trs80: add *CL< and *CL> 2020-05-02 06:20:03 -04:00
Virgil Dupras
2a578b3352 editor: implement F 2020-05-01 21:52:38 -04:00
Virgil Dupras
ecca70c7f3 Add layer of indirection to EMIT 
This would allow things like temporary giving control to the *CL
line on the TRS-80. For example... A very far fetched example. Not
at all the only *raison d'etre* of the layer...
 2020-05-01 20:05:15 -04:00
Virgil Dupras
5bf3baff05 editor: add edit buffer 
Also, add word "C!+" and fix PSP leak in FILL.
 2020-05-01 13:17:40 -04:00
Virgil Dupras
792c781614 editor: add cursor pos tracking and display 2020-04-30 20:42:07 -04:00
Virgil Dupras
07f807edee recipes/trs80: making progress on floppy drivers 2020-04-30 16:10:35 -04:00
Virgil Dupras
65f359bda4 recipes/trs80: can write compiled version to floppy 2020-04-30 11:13:25 -04:00
Virgil Dupras
f38de1c151 Introduce the notion of Extra words 2020-04-29 21:52:18 -04:00
Virgil Dupras
0044011f06 Move AT28 and TRS80 drivers to higher blocknos 
I'm reserving the 100-200 range for non-bootstrapping needs.
 2020-04-29 21:04:10 -04:00
Virgil Dupras
0cf26547ff Add words FLUSH and COPY 2020-04-29 20:21:18 -04:00
Virgil Dupras
1b2c4b519e icore: add BIN+ 
This allows us to write LATEST at proper offset in emul/stage1.fs in
cases where we set a nonzero BIN(.
 2020-04-29 11:42:09 -04:00
Virgil Dupras
fc67b88720 Make BIN( offsetted binaries closer to working at all 
I have a working offset-by-0x100 stage0 now.
 2020-04-28 21:12:52 -04:00
Virgil Dupras
0b8c8c9ca0 recipes/trs80: still wip... 2020-04-28 10:12:16 -04:00
Virgil Dupras
61b2e02351 xcomp: remove XOFF and use ORG and BIN( instead 2020-04-28 09:37:00 -04:00
Virgil Dupras
838548843e boot: apply BIN( to stray stable ABI references 
With cross compiling and IMMEDIATE words, things get icky with stable
ABI references. For the same reason that EXIT, (br) and (br?) need to
stay at stable offsets, these word references will not have BIN(
properly applied at Inner core xcomp.

The solution for now is to adjust during EXECUTE, which is ugly and
inefficient, but I don't see a better solution right now.
 2020-04-28 08:52:47 -04:00
Virgil Dupras
4501313410 Add [IF] .. [THEN] 
Will be useful as kinds of "#ifdef"s during xcomp.
 2020-04-28 08:28:59 -04:00
Virgil Dupras
f97df4614e recipes/trs80: wip 2020-04-28 07:51:41 -04:00
Virgil Dupras
b8ea515612 Add word WIPE 2020-04-27 21:28:34 -04:00
Virgil Dupras
2b2ccad96c Add word FILL 2020-04-27 21:22:06 -04:00
Virgil Dupras
f605e2d85c Give CASE's default branch access to its input value 
ref #97
 2020-04-27 20:44:21 -04:00
Virgil Dupras
3b66aefcd1 block editor: fix broken B and N 
fixes #97
 2020-04-27 18:11:54 -04:00
Virgil Dupras
295b4b6e0a z80a: add BIN( parameter 
Will be useful for assembling binaries for the TRS-80 which can't start
at addr 0.
 2020-04-27 15:11:38 -04:00
Virgil Dupras
865f4f9256 Move AT28 driver to blkfs 
And adjust rc2014/eeprom recipe
 2020-04-26 15:18:28 -04:00
Virgil Dupras
dee7eea497 Move link.fs to blkfs 2020-04-26 14:37:54 -04:00
Virgil Dupras
4d8574c1fe recipe/rc2014: use core libs from blkfs 2020-04-26 13:57:44 -04:00
Virgil Dupras
a2f164ecc3 emul: bootstrap to stage2 from within Collapse OS! 
Big bootstrapping change which greatly reduces the role of the modern
operating system in the bootstrapping process.
 2020-04-26 10:24:09 -04:00
Virgil Dupras
0e3cf7fa02 Add word ," 2020-04-26 09:01:49 -04:00
Virgil Dupras
6f896caf7a Copy core words to blkfs 2020-04-25 21:54:07 -04:00
Virgil Dupras
13771d8c92 xcomp: add XPACK 2020-04-25 16:02:47 -04:00
Virgil Dupras
389b23fe1a Change C<? mechanic 
It's now a simple flag updated by the C< implementation. No more
routine pointer.

The goal is to avoid tons of "ok" during a LOAD operation.
 2020-04-25 09:10:25 -04:00
Virgil Dupras
5219887ad7 sdc: implement _crc16 in z80 2020-04-24 20:46:01 -04:00
Virgil Dupras
8d78ca9dac tests: add test_sdc 
The SD card driver is a bit too slow to be bearable. I'll write
_crc16 in z80 and see how it goes.
 2020-04-24 18:23:29 -04:00
Virgil Dupras
816563e2e3 Stop LOADing on ABORT 
This is done by adding a "C<* override" layer that is reset to 0 on
ABORT.

The problem was that when ABORT happened during a LOAD, we had a
resetted RSP and started from a clean INTERPRET, but LOAD didn't
have the opportunity to restore C<*, which caused it to continue
interpreting from the faulty BLK.

With a C<* override, we don't need to *restore* C<*, we just need to
clear the override.
 2020-04-24 14:10:40 -04:00
Virgil Dupras
af39b37dd1 Replace the "> " prompt with the more traditional "ok" one 
This is more than cosmetic, it's also highly usable. The presence
or absence of the "ok" message allows us to know whether the command
aborted. Previously, the "> " prompt appeared when the system expected
a prompt in the INTERPRET context, whether the previous command aborted
or not.

Also, this allows us to get rid of that ugly FLAGS global variable.
 2020-04-24 12:10:07 -04:00
Virgil Dupras
44403c3d4c Move icore to blkfs 
The way is clear for complete stage1 bootstrapping on the RC2014
target!
 2020-04-23 15:14:14 -04:00