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
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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 '-'
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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?,
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AGAIN, becomes a shortcut for "' RJMP AGAIN?,"
2020-05-19 10:36:07 -04:00
Virgil Dupras
7a41c5c6f9
avra: add IF, .. THEN,
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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,
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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
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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*
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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!
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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
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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
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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
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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
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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
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It was ill-advised.
2020-05-15 14:09:31 -04:00
Virgil Dupras
db9885b8cf
Rename (find) to FIND
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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
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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
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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
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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
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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
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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!
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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
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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
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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
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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
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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"
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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
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That INIT thing is unnecessary.
2020-05-13 14:19:54 -04:00
Virgil Dupras
bb77cd0759
xcomp: add overrides into a loadable block
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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)
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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
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Now more low/high layers.
2020-05-12 21:48:29 -04:00
Virgil Dupras
cbf5baf3b6
Pack core words a bit
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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]
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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
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No more low/high
2020-05-12 12:41:47 -04:00
Virgil Dupras
1094ec9c57
Make DO..LOOP stable
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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
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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