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332 Commits

Author SHA1 Message Date
Virgil Dupras
6212a08866 VE: Add F and E 2020-06-05 13:54:45 -04:00
Virgil Dupras
a1b99275e6 VE: Add replace mode 2020-06-05 11:01:26 -04:00
Virgil Dupras
e7a6c777c7 VE: refactor mode indicators 
The indicator is going to be empty most of the time and will be
emitted by the mode changer directly. That's going to the upper-right
corner and the status bar avoids emitting in that area.
 2020-06-05 10:38:05 -04:00
Virgil Dupras
4af93d53e3 VE: add I command 
Also, add insert and find buffers to the header, making it 3 lines
high.

Also, fix the "I" overshadowing word which wasn't operating on the
proper RSP level.

Also, fix I which didn't mark the block as dirty.
 2020-06-04 22:54:27 -04:00
Virgil Dupras
e36080d7b8 VE: load Block Editor and reuse some of its words 2020-06-04 20:20:35 -04:00
Virgil Dupras
297c187426 VE: add mode indicator in status bar 2020-06-04 20:07:02 -04:00
Virgil Dupras
2bf4db59ed VE: Add H and L 
Also, add MODE indirection.
 2020-06-04 19:20:40 -04:00
Virgil Dupras
878df2d53b VE: make w affected by modifier 2020-06-04 18:59:54 -04:00
Virgil Dupras
98e820cf51 WE: why case-insensitive again? 2020-06-04 18:52:59 -04:00
Virgil Dupras
11843cc613 VE: add W and S movements 2020-06-04 17:22:07 -04:00
Virgil Dupras
77aedd7338 VE: add H, J, K, L 2020-06-04 12:04:13 -04:00
Virgil Dupras
c07a594e1a Begin working on a Visual Editor 2020-06-04 10:39:59 -04:00
Virgil Dupras
f53f91558b find: don't protect BC 
not needed
 2020-06-03 20:57:29 -04:00
Virgil Dupras
c26c454cbf extra words: allow finer-grained loading 2020-06-03 20:28:18 -04:00
Virgil Dupras
d8a6456206 (parsed): fix crash on parsing non-decimal staring with '-' 
The address returned in the error condition would be off by one.
 2020-05-25 21:15:07 -04:00
Virgil Dupras
2d17b4e8ec Make string length-prefixed instead of null-terminated 
I'm not sure why I chose null-terminated initially. Probably because
the z80asm version had null-terminated strings.

Length-prefixes strings are the traditional form of strings in Forth
and it's a bit easier to work with them with traditional forth words
when they're under this form.
 2020-05-25 20:34:52 -04:00
Virgil Dupras
6a507bcaac Add word MOVE, 2020-05-24 19:55:00 -04:00
Virgil Dupras
2d2a846b25 Inline SCPY 
I'm planning a string reform and it's standing in the way.
 2020-05-24 14:19:25 -04:00
Virgil Dupras
a59322c252 Remove XPACK 
Now that everything is cross-compiled, no need to XPACK. If we ever
need it again, we know where to find it.
 2020-05-24 13:45:22 -04:00
Virgil Dupras
4c1cacd8d0 Remove Linker 
Now that the boot binary is fully cross-compiled, there's no use for
the linker anymore. Theoretically, it could still be useful, but I
can't think of a real use case.

Let's take it out of the picture. If it's ever needed again, I'll
know where to find it.
 2020-05-24 10:22:56 -04:00
Virgil Dupras
ed2b91411a Limit ourselves to 8-bit branching 
I'm planning on going back to 8-bit branching. 16-bit br cells incur
a non-negligible penalty and, while at first 64 words (128 bytes
forward or backward) seemed a bit limiting, I now don't see why one
would ever construct such a big branch. It would be un-forthy.

Also, I looked at using BC instead of IY to hold IP and the transition
would be a lot easier with 8-bit branching.

In this commit, all I do is add overflow checks in IF. The mechanic
below doesn't change. I'll give myself some time to think it over so
that I avoid yet another back and forth.
 2020-05-24 10:16:25 -04:00
Virgil Dupras
5bbc256faf Flush input buffer on QUIT 
Prebiously, when encountering an error during a : ; definition from
input buffer, because the input buffer wasn't flushed, we would continue
interpreting and quit the whole program when encountering ;.
 2020-05-24 09:23:19 -04:00
Virgil Dupras
d041b91846 Optimize chkPS 
Use EXX instead of the stack for HL protection and remove all
spurious uses of chkPS,

I wanted to inline chkPS in next because of its "tight loop" status,
but for reasons I don't understand, doing so breaks Collapse OS.
Later...
 2020-05-22 23:12:03 -04:00
Virgil Dupras
4f2c2ab80a z80a: add a few ops 2020-05-22 22:23:24 -04:00
Virgil Dupras
581c6d015c Fix blk overflow in usage guide index 2020-05-22 20:39:28 -04:00
Virgil Dupras
6bff03a48b Move adev to core 
It's small enough to be worth it.
 2020-05-22 14:50:34 -04:00
Virgil Dupras
bb190f9665 Add word TUCK 2020-05-22 14:19:02 -04:00
Virgil Dupras
41d439376d Add word NIP 2020-05-22 14:19:02 -04:00
Virgil Dupras
f75b1c8864 Add word ?DUP 2020-05-22 14:19:02 -04:00
Virgil Dupras
ae87e88c52 Add 5x7 font 
Also, fix PSP leak in font compilers.
 2020-05-22 08:06:55 -04:00
Virgil Dupras
0939241db1 Add bootstrap guide 2020-05-21 15:25:12 -04:00
Virgil Dupras
e9e3bd80f6 ps2: fix PS2_SHIFT check 2020-05-21 08:53:36 -04:00
Virgil Dupras
7d28637740 ps2: add shift support 2020-05-20 20:31:56 -04:00
Virgil Dupras
b874a1c175 ps2: wip 2020-05-20 18:56:18 -04:00
Virgil Dupras
c86d8a74a0 sms/kbd: PS/2 driver WIP 2020-05-19 21:18:44 -04:00
Virgil Dupras
aad6b5c2e5 avra: add global constants 2020-05-19 10:48:48 -04:00
Virgil Dupras
ac309bbd9e avra: rename AGAIN, to AGAIN?, 
AGAIN, becomes a shortcut for "' RJMP AGAIN?,"
 2020-05-19 10:36:07 -04:00
Virgil Dupras
7a41c5c6f9 avra: add IF, .. THEN, 
I decided to keep SKIP, .. TO, (renamed from AT,) around and limit
IF, .. THEN, to the simple BRNE case.
 2020-05-19 10:26:57 -04:00
Virgil Dupras
8bbd29d37d avra: add SKIP, .. AT, 
Will change to IF, .. THEN, but I need a way to easily reverse a
BR op. But from this commit, the translation of sms/kbd/ps2ctl.asm
is complete! perfect binary match!
 2020-05-19 10:19:37 -04:00
Virgil Dupras
8ca85abfbd avra: add BEGIN, .. AGAIN, 2020-05-19 07:39:34 -04:00
Virgil Dupras
7b7e60ed4a avra: implement LD/ST 
Still making great progress on sms/kbd/ps2ctl. Still matching ref
binary.
 2020-05-18 22:28:58 -04:00
Virgil Dupras
e0bc14e55c avra: implement BR* 
Getting good! still advancing on ps2ctl in sms/kbd and still
matching reference binary.
 2020-05-18 20:34:06 -04:00
Virgil Dupras
cdddfdefae avra: add a layer of indirection to FLBL! 
This will make it easier to fit BR* in there.
 2020-05-18 19:45:30 -04:00
Virgil Dupras
63dec372ce sms/kbd: continue advancing on ps2ctl rewrite 
Still binary matching. Next step is branching support.
 2020-05-17 21:10:02 -04:00
Virgil Dupras
177e70580f sms/kbd: begin rewriting ps2ctl to Forth 
So far, the resulting binary matches.
 2020-05-17 14:24:27 -04:00
Virgil Dupras
8c4c879a65 avra: begin implementing forward label system 2020-05-17 11:04:08 -04:00
Virgil Dupras
212126d6d2 avra: add RJMP and RCALL 2020-05-17 10:13:43 -04:00
Virgil Dupras
b5d42924ba avra: add arg range checks 2020-05-17 09:30:36 -04:00
Virgil Dupras
5227777b34 avra: add OPb and OPRdb instr classes 2020-05-17 08:57:23 -04:00
Virgil Dupras
2e23b84fc1 avra: simplify OPRdRr 2020-05-16 22:16:41 -04:00
Virgil Dupras
75a1b2d504 avra: add OPAb instr class 2020-05-16 21:59:07 -04:00
Virgil Dupras
322be4d576 avra: add OPNA instr class 2020-05-16 21:44:47 -04:00
Virgil Dupras
0f2d14ad8a z80a: add BREAK, instruction 
This allows us to remove a lot of labels usage in boot code. This
commit has no effect on forth.bin.
 2020-05-16 21:02:50 -04:00
Virgil Dupras
fd597d29d2 boot: remove spurious label usage 2020-05-16 19:47:34 -04:00
Virgil Dupras
ee3407bf1c avra: first steps 2020-05-16 09:51:02 -04:00
Virgil Dupras
863540f7c6 core: define H@ a bit sooner 2020-05-15 22:59:38 -04:00
Virgil Dupras
bd38d80f9c Move Cross-compiled core from B390 to B350 
and renamed it "Core words". Also, reworded the presentation.
 2020-05-15 22:44:49 -04:00
Virgil Dupras
f2817870aa sms: working on real hardware! 2020-05-15 21:53:26 -04:00
Virgil Dupras
7ceff6144c sms: implement pad button B ( next class ) 2020-05-15 21:18:32 -04:00
Virgil Dupras
b6c039589f Don't emit BS when at beginning of input buffer 2020-05-15 20:51:09 -04:00
Virgil Dupras
aad713c477 sms: implement backspace with pad button A 2020-05-15 20:32:04 -04:00
Virgil Dupras
fdea069544 sms: implement button C and Start in Pad 2020-05-15 17:46:18 -04:00
Virgil Dupras
852c775b5b sms: implement linefeed in VDP 2020-05-15 16:08:27 -04:00
Virgil Dupras
f9a8e6f180 sms: Pad WIP 2020-05-15 15:41:06 -04:00
Virgil Dupras
1597f1e131 Don't generalize XYPOS just yet 
It was ill-advised.
 2020-05-15 14:09:31 -04:00
Virgil Dupras
db9885b8cf Rename (find) to FIND 
I hadn't noticed that this word was almost ANS compliant.
 2020-05-15 12:50:14 -04:00
Virgil Dupras
175b4bc497 sms: CollapseOS prompt! 2020-05-15 12:46:25 -04:00
Virgil Dupras
ca60685067 Streamline initialization process 
Instead of letting each configuration taking care of RDLN$ and
"CollapseOS" prompt, move this to BOOT to simplify xcomp units.

Initialization source code is now only for driver initialization.
 2020-05-15 11:34:35 -04:00
Virgil Dupras
0163af470a Fix EOT behavior after QUIT 
Previously, calling quit would break EOT behavior and not properly
quit Collapse OS.
 2020-05-15 10:19:39 -04:00
Virgil Dupras
43eabf566b sms: WIP ! 2020-05-14 22:15:31 -04:00
Virgil Dupras
87b51a6261 By default, allocate about 0x100 bytes for PSP+RSP 
During "make updatebootstrap", we use less than 0x20 bytes on the
PSP side and less than 0x40 bytes on the RSP one. 0x100 bytes ought
to be enough for anybody.
 2020-05-14 18:41:09 -04:00
Virgil Dupras
bf289b0a67 z80a: de-variable-ize 
Use straight VARIABLE instead of Z80MEM+. Initially, I used this
system to allow z80a to be embedded in a system binary, but now
I don't think it's worth it. Compiled, z80a is 2.5k. Sure, it's a
sizeable amount of RAM, but I think that even with it in RAM, I'll
manage a bootstrap within my most constrained machine, the SMS with
8K.
 2020-05-14 15:29:22 -04:00
Virgil Dupras
3fbae082f4 Remove INTJUMP mechanism 
Not worth the trouble. Easier to set jump in binary directly.
 2020-05-14 15:13:16 -04:00
Virgil Dupras
a5269a1c7c Make blk use system RAM 2020-05-14 14:51:20 -04:00
Virgil Dupras
eec9549bde Make rdln use system RAM 2020-05-14 14:26:56 -04:00
Virgil Dupras
b606dbf9af rc2014: move xcomp unit's contents to blkfs 2020-05-14 12:29:34 -04:00
Virgil Dupras
a8e8204eba trs80: adapt recipe to single stage xcomp 2020-05-14 12:08:17 -04:00
Virgil Dupras
8a58449776 Add word ERR 2020-05-14 11:57:26 -04:00
Virgil Dupras
e6bac985fa Cross-compiles in a single stage! 
Finally got rid of the XPACKed core and managed to cross-compile
all core words, which greatly simplifies the bootstrapping process.
 2020-05-14 10:17:38 -04:00
Virgil Dupras
68262f925b Almost done De-XPACKing! 2020-05-14 09:58:48 -04:00
Virgil Dupras
640e3321fc Move a bunch of words from XPACKed core to xcomp core 2020-05-14 09:54:33 -04:00
Virgil Dupras
4143e2a699 Improve late-stage xcomp 2020-05-14 09:45:42 -04:00
Virgil Dupras
179c66be8a Move a bunch of words from XPACKed core to xcomp core 2020-05-14 08:50:43 -04:00
Virgil Dupras
74896051bb Move BOOT, (boot<) and INTEPRET to high xcomp 
Saves us an (ok) indirection and will save us more soon.
 2020-05-14 08:45:01 -04:00
Virgil Dupras
b17bd4dca0 wip 2020-05-14 08:33:06 -04:00
Virgil Dupras
40a756cf1c Move a bunch of words from XPACKed core to xcomp core 2020-05-14 08:18:53 -04:00
Virgil Dupras
51997533ff Move a bunch of words from XPACKed core to xcomp core 2020-05-14 07:58:55 -04:00
Virgil Dupras
80d730318a Simplify LOAD's INTERPRET exit mechanism 2020-05-13 22:55:52 -04:00
Virgil Dupras
2e9e7047bf Make INTERPRET break on ASCII EOT 
This should allow me to simplify LOAD's exit mechanism on block
end.
 2020-05-13 21:44:46 -04:00
Virgil Dupras
052d59a3a2 TOWORD: tiny optimization 
My mind is getting forthy.
 2020-05-13 20:59:00 -04:00
Virgil Dupras
33d37d4ce9 WORD: don't overwrite RAM on words over 31 chars 
This allows me to reclaim some RAM I hadn't even noticed I
needlessly monopolise.
 2020-05-13 20:39:53 -04:00
Virgil Dupras
bd1e76ec5b Gather all RC2014 drivers into a single "RC2014 Recipe section" 2020-05-13 14:56:38 -04:00
Virgil Dupras
9b85961093 Rename "Core words" to "XPACKed core" 
Now that this section is so small, I think I can see a possibility
for cross-compiling Collapse OS entirely, which would be great
because we could get rid of the relinker.
 2020-05-13 14:31:56 -04:00
Virgil Dupras
76037ca1e7 Simplify boot process 
That INIT thing is unnecessary.
 2020-05-13 14:19:54 -04:00
Virgil Dupras
bb77cd0759 xcomp: add overrides into a loadable block 
Makes xcomp.fs units shorter.
 2020-05-13 13:33:24 -04:00
Virgil Dupras
0434d02818 xcomp: implement X['] 2020-05-13 13:24:58 -04:00
Virgil Dupras
7c20501f27 Move core's blk to xcomp core (low and high) 
TODO: implement X['] so that I can remove those XCURRENT patterns.
 2020-05-13 10:50:46 -04:00
Virgil Dupras
d956386e9b Move core's readln to xcomp core (high) 2020-05-13 09:28:32 -04:00
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