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collapseos
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258 Commits

Author SHA1 Message Date
Virgil Dupras 6e1e8e0e59 avra: add LSL 2019-12-22 18:36:15 -05:00
Virgil Dupras 8ded02bc78 avra: fix misordered MOV, MUL, NEG and NOP 2019-12-22 18:35:08 -05:00
Virgil Dupras f54e10f9fd avra: add CALL and JMP 2019-12-22 15:54:46 -05:00
Virgil Dupras 10b925e0e0 avra: add BCLR and BSET 2019-12-22 15:11:15 -05:00
Virgil Dupras 1771ee8da7 avra: add SER 2019-12-22 15:01:08 -05:00
Virgil Dupras 0a9ac27cf6 avra: add SBIC and SBIS 2019-12-22 14:55:38 -05:00
Virgil Dupras a9dcba5793 avra: add CBR instruction 2019-12-22 14:45:10 -05:00
Virgil Dupras c968995ec0 avra: add CBI and SBI 
This completes instruction support for the Blink tn45 example.
 2019-12-15 20:51:31 -05:00
Virgil Dupras 2652c81519 avra: make CLR work properly 2019-12-15 16:43:32 -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 fa75f30ffb avra: add RJMP and RCALL instructions 2019-12-14 12:28:27 -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
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 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 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 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 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 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 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 572e3566eb Add upload tooling for BASIC shell 2019-11-30 22:36:14 -05:00
Virgil Dupras 871b06fecf bshell: adjust RAMSTART to avoid clashwith USER_CODE 
With a 0x4000 RAMSTART, bshell's RAM usage clashed with USER_CODE, making
RAM-using userapp break everything.
 2019-11-30 19:50:23 -05:00
Virgil Dupras 7c893dada1 basic: can now execute user apps! 
Shell replacement sequence beginning in 3, 2, 1...
 2019-11-25 22:05:10 -05:00
Virgil Dupras 12bc120375 basic: add bsel, bseek, getb, putb commands 2019-11-24 20:34:23 -05:00
Virgil Dupras e1df320d44 basic: add ldbas command 2019-11-24 14:26:32 -05:00
Virgil Dupras 13f935aa88 basic: add fls command 
Also, add the new `bshell` emulated tool. BASIC is on its way to replace the
shell.
 2019-11-24 10:24:15 -05:00
Virgil Dupras 585e9f3b6e tools/emul: add troubleshooting instructions in README 
fixes #79
 2019-11-23 15:22:26 -05:00
Virgil Dupras a680fd3328 basic: add support for signed integers 2019-11-23 14:56:23 -05:00
Virgil Dupras 43b450ca30 Update bootstrap binaries 2019-11-22 19:57:11 -05:00
Virgil Dupras 2f71ad6d2f lib/expr: add left/right shifting operators 2019-11-22 18:35:10 -05:00