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248 Commits

Author SHA1 Message Date
Virgil Dupras
a476773813 Add words BIT@ and BIT! 2020-05-10 08:40:49 -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
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
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
24e588019b Add words RSHIFT and LSHIFT 2020-05-07 15:41:43 -04:00
Virgil Dupras
eaeb138a0c Add words C@- C!- and MOVE- 2020-05-06 20:37:08 -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
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
31119c2de3 xcomp: move all offset spitting to the end of the unit 
I'd like to move this code, along with all recipe contents, to blk/.
It's easier if "emul-related" code is gathered at the same place.
 2020-05-05 20:10:04 -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
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
47a9c89f19 Update READMEs 2020-05-03 12:51:21 -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
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
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
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
f38de1c151 Introduce the notion of Extra words 2020-04-29 21:52:18 -04:00
Virgil Dupras
0cf26547ff Add words FLUSH and COPY 2020-04-29 20:21:18 -04:00
Virgil Dupras
581f04a4bc Keep stage1 bootstrap bin instead of stage 0 
XPACKed source needing to be kept in bootstrap bin didn't make
much sense. With the removal of stripfc, it makes more sense to keep
the compiled form of stage 1 in repository as a bootstrap binary.

Also, rename it to forth.bin.
 2020-04-29 19:38:43 -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
61b2e02351 xcomp: remove XOFF and use ORG and BIN( instead 2020-04-28 09:37:00 -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
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
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
dee7eea497 Move link.fs to blkfs 2020-04-26 14:37:54 -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
4b7247a971 emul: use LATEST instead of binary size as start addr in stage 
More reliable.
 2020-04-26 08:37:12 -04:00
Virgil Dupras
898684a795 emul: merge pre.fs and emul.fs into stage1.fs 2020-04-25 22:45:53 -04:00
Virgil Dupras
bc3aabc84e Update z80c.bin's LATEST during xcomp instead of using slatest 2020-04-25 22:02:44 -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
b5c370a936 emul: embed blkfs in forth binary 
This will allow us to read from blkfs in tests.
 2020-04-24 18:01:55 -04:00
Virgil Dupras
1bd191e86a Move /emul/forth/* to /emul 
Less noisy this way
 2020-04-24 17:53:58 -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
Virgil Dupras
dd6ce1b8fe Avoid using (xentry) outside xcomp config 2020-04-23 12:09:31 -04:00