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Author SHA1 Message Date
Virgil Dupras
e9c692ed50 avra: a litte bit of code deduplication 2019-12-15 18:34:14 -05:00
Virgil Dupras
2652c81519 avra: make CLR work properly 2019-12-15 16:43:32 -05:00
Virgil Dupras
20861767e6 avra: generalize arg swapping behavior 2019-12-15 16:36:43 -05:00
Virgil Dupras
14fbfa2967 avra: small _parseArgs refactoring 
Take argspec pairs directly as an argument instead of taking a
pointer to an argspec pair.
 2019-12-15 16:25:16 -05:00
Virgil Dupras
62eb5589c3 avra: refactor instruction tbl 
The instruction table is now beefier and has redundant data, but
this simplifies processing. This should simplify upcoming work.
 2019-12-15 15:53:28 -05:00
Virgil Dupras
aa8df95f7d Add "avr/" includes folder 
Also, add a "real world" example in AVRA tests, a blink program on
a ATtiny45. Some instructions are commented out because they aren't
implemented yet, but not many.

The output of the program has been verified against AVRA's own
output.
 2019-12-15 09:38:01 -05:00
Virgil Dupras
64935d8b40 avra: add IN and OUT instructions 2019-12-15 08:43:59 -05:00
Virgil Dupras
ab578159b7 avra: refactor args parsing 
This costs us a bit of space for now but should make things a lot
simpler down the road, especially with "alias ops" which are simple
syntactic sugar for another op.
 2019-12-14 15:17:55 -05:00
Virgil Dupras
fa75f30ffb avra: add RJMP and RCALL instructions 2019-12-14 12:28:27 -05:00
Virgil Dupras
33c480a5dd avra: remove useless instrBRBits table 
I had written this when trying different approaches to adding BR and
I forgot to remove it.
 2019-12-14 09:41:36 -05:00
Virgil Dupras
a5efc695e9 avra: add "Rd + bit" instructions 2019-12-14 09:33:46 -05:00
Virgil Dupras
c696fcbce4 avra: add "with immediate" instructions 2019-12-14 09:05:38 -05:00
Virgil Dupras
4b9712a224 avra: add branching instructions 2019-12-13 22:49:15 -05:00
Virgil Dupras
57c1a10434 avra: first steps 2019-12-13 17:38:40 -05:00
Virgil Dupras
e691dab070 zasm: little drive-by optimization 
Use IX directly for argspec rows instead of going through DE. It saves a bit
of processing. The code was this way because I initially didn't use IX at all,
so as code evolved, that DE translation stayed as an artifact.
 2019-12-13 10:54:01 -05:00
Virgil Dupras
0d7693a163 core: remove writeHLinDE 
It wasn't used much so I inlined it.
 2019-12-13 09:56:23 -05:00
James Stanley
1b8b113536 Fix filesystem in shell emulator 
We now treat the block device as fixed-size rather than trying to grow it in response
to kernel activity.

Previously, if you tried to create 2 files in a row, only the first 1 would actually appear,
because the device only ever got larger when a byte was written immediately past the end of
the device.

Now we just let the kernel write bytes to the disk anywhere, so new files can be created even
when the previous file is not completely full.

Also, fix buffer overrun in reading filesystem image, and use a more idiomatic fgetc loop.
 2019-12-12 16:58:17 -05:00
Virgil Dupras
948a06cb41 tools/tests: add missing doc about shell tests 2019-12-12 16:31:52 -05:00
Virgil Dupras
4f7a05e3b7 core: remove cpHLDE 
It wasn't used much, so I replaced its use in the kernel with direct code
and moved the routine in apps/ed, the only other place where it was used.
 2019-12-12 15:53:14 -05:00
Virgil Dupras
c002c69208 Include tools/tests/shell/test.cfs in repo 
The order in which cfspack includes its file depend on the platform. To have
tests that reliably pass, test.cfs has to be committed in.
 2019-12-12 14:49:09 -05:00
Virgil Dupras
9ab292a6d5 Add shell automated tests 2019-12-12 14:32:47 -05:00
Virgil Dupras
43f4c5200e basic: don't choke on ':' in '"' literals 2019-12-12 12:22:38 -05:00
Virgil Dupras
5b155a5c15 tools: use BASIC's new while loop 
Also, increase STDIO_BUFSIZE to 0x40 so that those while loops work.
 2019-12-12 12:04:56 -05:00
Virgil Dupras
3db38b0d89 basic: add while command 2019-12-12 11:17:10 -05:00
Virgil Dupras
51c977f2ed basic: allow multiple commands on the same line 2019-12-12 10:51:13 -05:00
Virgil Dupras
5d33d165a2 cfspack: allow multiple patterns and multiple paths in args 
Also, always end the CFS chain with a stop block.

fixes #55 #56 #57
 2019-12-11 21:08:46 -05:00
Virgil Dupras
888395d496 tools: replace tools for old shell with tools for new shell 
ref #80
 2019-12-11 14:58:50 -05:00
Virgil Dupras
1710c865dc doc: refer to the new BASIC shell in example 
ref #80
 2019-12-11 14:57:07 -05:00
Virgil Dupras
25d25d017c Replace old shell with BASIC shell 
fixes #80
 2019-12-11 14:05:34 -05:00
Virgil Dupras
20151a97f8 recipes/rc2014/zasm: use BASIC shell 
Also made Makefile actually portable.
 2019-12-11 13:01:51 -05:00
Virgil Dupras
880775ae69 recipes/rc2014/sdcard: use BASIC shell 2019-12-11 11:18:32 -05:00
Virgil Dupras
7907687abf tools/uploadb: make it much much faster 
By uploading a BASIC loop and then run it, we can reduce the serial
communication to pure content which greatly reduces the overhead and make
the process much much faster.
 2019-12-11 09:27:05 -05:00
Virgil Dupras
b40b39f45c tools: add blkdumpb 2019-12-10 10:33:29 -05:00
Virgil Dupras
9ec71ecfee tools/uploadb: rewrite in C 2019-12-09 22:05:39 -05:00
Virgil Dupras
fcee98ee4e tools: use the new "puth" BASIC command 2019-12-09 21:17:45 -05:00
Virgil Dupras
fb93fcd6e6 recipes/rc2014/eeprom: add usr.asm 
A little life saver if your target shell doesn't have a proper at28w.
 2019-12-09 21:03:31 -05:00
Virgil Dupras
beaea6f978 basic: add puth command 2019-12-09 14:34:14 -05:00
Virgil Dupras
d9db0a824e Make makefiles and shell scripts portable 
It's no longer required to use `gmake` under OpenBSD and shell scripts
no longer require bash.
 2019-12-09 09:45:22 -05:00
Virgil Dupras
8ff4b18c51 tools: add memdumpb 
In C this time. Python/Perl code is barely terser than C for these little
tools. Why bother with interpreted?
 2019-12-08 22:33:33 -05:00
Virgil Dupras
b56d6ca1c7 Rewrite uploadb.py in perl 
I know, this is silly, but I'm moving tools to something a bit closer to the
system. I consider perl to be more system-like than python for a simple reason:
perl is part of the OpenBSD base system and python is not.

Also, I'm learning perl and using this as an opportunity.
 2019-12-08 08:32:19 -05:00
Virgil Dupras
5e0a548faa kbd: squeeze out a few bytes 2019-12-06 22:45:39 -05:00
Virgil Dupras
b9292eb8d0 recipes/rc2014/ps2: Use BASIC shell 2019-12-06 20:00:29 -05:00
Virgil Dupras
3a68807cd4 kbd: make kbdGetC blocking 
I forgot to update this when changing stdio GetC API.
 2019-12-06 19:59:46 -05:00
Virgil Dupras
08392fee60 recipes/rc2014/eeprom: use BASIC shell 2019-12-02 23:00:35 -05:00
Virgil Dupras
0fb7995166 recipes/sms/romasm: add missing sentinel in .mycmds 2019-12-02 23:00:03 -05:00
Virgil Dupras
30a0f69101 Fix broken uploadb.py 
putc didn't work well with any byte value on most terminal configuration. It
was a bad idea...
 2019-12-02 22:57:22 -05:00
Virgil Dupras
270ad926c9 recipes/sms: use BASIC shell 2019-12-02 20:18:41 -05:00
Virgil Dupras
66dacd1816 tools/emul: add "Min SP" debug value 
This gives the maximum size of the stack at any given moment during the
execution of the program. It's useful to figure out if the stack gets
dangerously close to the heap.
 2019-12-02 17:44:54 -05:00
Virgil Dupras
2f07d849a8 tools/emul: deduplicate a little bit of C code 2019-12-02 17:28:01 -05:00
Virgil Dupras
15e44ec524 doc: add TI83+/TI84+ doc page 2019-12-02 13:51:36 -05:00