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93c6d150e2
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303 Commits

Author SHA1 Message Date
Virgil Dupras
93c6d150e2 emul: don't embed forth.bin in emul binaries 
Read the contents of forth.bin at runtime. This allows us to get
rid of the bin2c tooling.
 2020-05-23 09:54:26 -04:00
Virgil Dupras
8d3da4c0de emul: stop embedding blkfs in binaries 
Instead, embed absolute path to blkfs. Having to rebuild the stage
binary at every change in blkfs is getting tedious.
 2020-05-23 09:36:10 -04:00
Virgil Dupras
f884918d73 emul: use ncurses in /emul/forth 
It doesn't change anything featurewise, but this change is in
preparation for the addition of an eventual AT-XY.
 2020-05-23 08:36:55 -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
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
177e70580f sms/kbd: begin rewriting ps2ctl to Forth 
So far, the resulting binary matches.
 2020-05-17 14:24:27 -04:00
Virgil Dupras
ee3407bf1c avra: first steps 2020-05-16 09:51:02 -04:00
Virgil Dupras
ed3bee787d emul: add a zasm.sh wrapper around stage executable 2020-05-16 07:47:47 -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
b6c039589f Don't emit BS when at beginning of input buffer 2020-05-15 20:51:09 -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
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
8a58449776 Add word ERR 2020-05-14 11:57:26 -04:00
Virgil Dupras
5446afd87d emul: rename stage2 to stage 2020-05-14 10:55:39 -04:00
Virgil Dupras
9d4d9de511 emul: remove stage1 2020-05-14 10:49:24 -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
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
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
cbf5baf3b6 Pack core words a bit 
This leaves space for xcomp-core which is growing.
 2020-05-12 21:27:06 -04:00