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collapseos
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456 Commits

Author SHA1 Message Date
Virgil Dupras 421d881fae ed: allow inserting in empty file 2019-07-21 15:06:03 -04:00
Virgil Dupras 34f499184d zasm: add ".bin" directive 
Also, remove zasm/test7 because it changes too much all time time
(whenever zasm changes) and isn't precise enough. Too much noise,
not worth it.
 2019-07-21 12:58:02 -04:00
Virgil Dupras 01031a780a ed: Add 'w' command 2019-07-21 11:40:26 -04:00
Virgil Dupras f6479486f2 ed: allow appending at the end of the file 2019-07-21 11:12:49 -04:00
Virgil Dupras 8d7abd9994 ed: fix broken buf insert logic 2019-07-21 10:53:11 -04:00
Virgil Dupras 1a5a1b9861 ed: make scratchpad memory only 
The dual scraptchpad thing doesn't work. Things become very
complicated when it's time to write that back to the file. We
overwrite our contents and end up with garbage.
 2019-07-21 10:45:58 -04:00
Virgil Dupras 942d2a952d ed: take filename as an argument 
This hard-binds ed to the filesystem (I liked the idea of working
only with blockdevs though...), but this is necessary for the
upcoming `w` command. We need some kind of way to tell the
destination to write to truncate itself.

This only has a meaning in the filesystem, but it's necessary to
let the file know that its registered file size has possibly
shrunk.

I thought of alternatives that would have allowed me to keep ed
blkdev-centered, but they were all too hackish to my own taste.

Hence, this new hard-bind on files.
 2019-07-20 19:43:07 -04:00
Virgil Dupras fe15bafeca zasm: fix bug with registry selection 
During expression parsing, if a local label was parsed, it would
select the local registry and keep that selection, making
subsequent global labels register in the wrong place.
 2019-07-20 18:07:52 -04:00
Virgil Dupras a7afbe091e tools/tests: remove scas requirement 
I'm about to break compatibility with scas. Before I do that, I
need to adjusts tests. Instead of running scas to compare results,
we commit expected result as binaries directly in the repo.
 2019-07-20 17:13:57 -04:00
Virgil Dupras 0c0db41477 recipes/sms/kbd: add schematic 2019-07-20 14:51:34 -04:00
Virgil Dupras 57e7b3ca05 recipes/sms/kbd: PS/2 keyboard adapter for the SMS! 2019-07-20 12:42:55 -04:00
Virgil Dupras 23354eba94 stdio: fix broken ReadC logic 
Looping inside ReadC broke the shell's hook logic. We have to
return immediately when nothing is typed.
 2019-07-19 14:44:47 -04:00
Virgil Dupras 253674ea05 Fix broken tests 
Also, make tests run in a *BSD environment
 2019-07-19 14:24:35 -04:00
Virgil Dupras eefadc3917 ed: add support for 'a' and 'i' 2019-07-14 17:35:21 -04:00
Virgil Dupras 77a23cee84 ed: fix bufDelLines logic 
It was mostly wrong.
 2019-07-14 16:18:33 -04:00
Virgil Dupras 5669884508 ed: read initial contents in bufInit 2019-07-14 12:19:37 -04:00
Virgil Dupras 797cbdcc95 blockdev: protect IX in routines 
Sure, it's a bit slower, but it prevents a lot of hard to debug
problems. I don't have to want to remember "don't use IX if you
have any blk* calls". Let's optimize I/O later.
 2019-07-14 12:17:13 -04:00
Virgil Dupras 3b0029335a ed: add README 2019-07-14 11:31:14 -04:00
Virgil Dupras 8af1cf468c ed: add 'd' cmd 2019-07-14 10:32:28 -04:00
Virgil Dupras 50d0dc982c ed: check addr bounds 2019-07-14 09:04:51 -04:00
Virgil Dupras c811d5330c apps/ed: add support for addr ranges 2019-07-13 22:09:17 -04:00
Virgil Dupras 2d9f74c2af apps/ed: refactoring 2019-07-13 21:08:16 -04:00
Virgil Dupras 8cf68dc7ad apps/ed: handle +[n] and -[n] addresses 2019-07-13 16:30:30 -04:00
Virgil Dupras 3861670bcc shell: don't parse empty cmds 2019-07-13 15:34:43 -04:00
Virgil Dupras 951dd2206d apps/ed: add the concept of "current line" 2019-07-13 15:28:44 -04:00
Virgil Dupras e0f2a71dfc apps/ed: print specified line 2019-07-13 14:01:20 -04:00
Virgil Dupras 237d04fefd zasm: update bootstrap bin 2019-07-13 11:54:47 -04:00
Virgil Dupras 6dbbfa837d apps/ed: add (dummy) line number processing 
Starting to feel interactive...
 2019-07-13 11:53:30 -04:00
Virgil Dupras 3491c26132 apps/ed: start implementing I/O 2019-07-13 11:29:06 -04:00
Virgil Dupras 3d474c9121 apps/ed: first steps 2019-07-13 09:57:37 -04:00
Virgil Dupras 921a109749 stdio: little tweaks 2019-07-13 09:28:35 -04:00
Virgil Dupras e01ee170cb stdio: add stdioReadC 
A routine to conveniently read lines from TTY. Extracted from
shell. Will be used in other places.
 2019-07-13 09:19:01 -04:00
Virgil Dupras 252d71f1b8 Make tools/emul *BSD-friendly 2019-07-11 21:21:54 -04:00
Virgil Dupras 8cc5bbb110 recipes/sms: update README 2019-07-02 16:31:58 -04:00
Virgil Dupras ade9b96d14 sms/pad: make B jump to the next selection "class" 2019-07-02 16:18:00 -04:00
Virgil Dupras 162e503291 sms/vdp: properly protect AF on PutC 2019-07-02 15:54:07 -04:00
Virgil Dupras f41508725d sms/pad: handle return properly 
That is, send current chr selection, and then, send LF.
 2019-07-02 15:23:28 -04:00
Virgil Dupras 9c87734499 sms/vdp: clear cursor before CR or BS 
This avoids having "ghost" chr selection sticking around.
 2019-07-02 15:22:14 -04:00
Virgil Dupras ff7a114736 zasm: update bootstrap bin 2019-07-02 14:12:49 -04:00
Virgil Dupras 54b0602710 zasm: add support for RES and SET 2019-07-02 14:12:29 -04:00
Virgil Dupras dd84c11905 recipes/sms: Add pad-oriented character selection 2019-07-02 13:15:24 -04:00
Virgil Dupras 2679172edf sms/vdp: implement "chrsel" hook 
This allows for outputting a character selection before it's given
through GetC. That allows a pad-oriented character selection scheme.
 2019-07-02 13:14:02 -04:00
Virgil Dupras 74de1c92cf sms/pad: implement character selection mechanism 
Still a bit rough around the edges, but still, works rather well.
 2019-07-02 13:12:52 -04:00
Virgil Dupras 748d7347c8 shell: add "loop hook" 
This hook is called during every iteration, allowing regular screen
refresh when video is involved.
 2019-07-02 13:11:37 -04:00
Virgil Dupras bd003829e8 recipes/sms: plug shell in! 
Now this is getting eminently exciting!
 2019-07-02 11:14:30 -04:00
Virgil Dupras 404dbd0ddd sms/vdp: handle CR and LF 2019-07-02 11:14:16 -04:00
Virgil Dupras 767db17252 recipes/sms: hitting a button now adds a char on the screen 2019-07-02 10:49:30 -04:00
Virgil Dupras 2da4a3a87b sms/vdp: new module allowing PutC to spit chars in the VDP 2019-07-02 10:48:38 -04:00
Virgil Dupras c5a0a6ff54 sms/pad: easily detect change in button config 2019-07-02 10:47:59 -04:00
Virgil Dupras 9eb80d5eac sms/pad: new module to manage Megadrive controller in SMS 2019-07-02 09:02:19 -04:00