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Commit Graph

173 Commits

Author SHA1 Message Date
Virgil Dupras
a86234c87e Fix typo in shell's emul{Get,Put}C 2019-10-31 18:49:02 -04:00
Virgil Dupras
b745f49186 Rename blockdev's API routines to GetB/PutB 
The goal is to avoid mixing those routines with "character devices"
(acia, vpd, kbd) which aren't block devices and have routines that
have different expectations.

This is a first step to fixing #64.
 2019-10-30 16:59:35 -04:00
Virgil Dupras
a7aa2fc702 Improve test_parse_z coverage 
Will help with #45
 2019-10-20 18:19:02 -04:00
Virgil Dupras
f41ccdbc81 Update bootstrap binaries 2019-10-17 15:47:39 -04:00
Virgil Dupras
3b1bbc1751 zasm: support negative displacement for IX/IY 
Needed by #30.
 2019-10-17 15:38:11 -04:00
Jorde Kang
5460f28cfb Removed unnecessary import sys (#46) 2019-10-15 22:41:44 -04:00
James Stanley
7f7251d57f Fix buffer overrun in shell emulator (#51) 2019-10-15 21:21:40 -04:00
Virgil Dupras
8926c33ab1 Fix tools/tests/zasm/runtests.sh shebang 
It needs bash after all. On OpenBSD, /usr/sh works, but not on Ubuntu.
 2019-10-10 15:22:21 -04:00
Keith Stellyes
4180b5873d Fix for tools/zasm.sh being dependent on readlink -f (an issue on macOS, preventing builds) (#28) 
* Fix for tools/zasm.sh being dependent on readlink -f (an issue on macOS, preventing builds)

* Wrap zasm.sh shebang in /usr/bin/env ; remove comment about BSDs
 2019-10-10 15:21:37 -04:00
Virgil Dupras
83b314c450 zasm: lower RAM requirements 
I've tested RAM usage when self-assembling and there weren't as high
as I thought. zasm's defaults now use less than 0x1800 bytes of RAM,
making it possible, theoretically for now, for a Sega Master System
to assemble Collapse OS from within itself.
 2019-10-06 15:42:09 -04:00
Virgil Dupras
e4732d79dc zasm: tighten directive detection a bit 2019-10-06 14:39:47 -04:00
Virgil Dupras
f4b6c7637d zasm: rename #inc to .inc 
scas, it's not needed any more.
 2019-10-06 14:32:23 -04:00
Virgil Dupras
340a474941 emul/shell: use '@' symbol in jump table 2019-10-04 20:29:42 -04:00
Virgil Dupras
612323f714 zasm: add "last value" symbol (@) 2019-10-04 20:26:21 -04:00
Virgil Dupras
d1735c3a73 zasm: remove last remnants of "old style" variables 
This makes zasm suitable to run from ROM.
 2019-07-25 14:02:04 -04:00
Virgil Dupras
1c6a7caeae recipes/sms/romasm: make zasm's memory usage fit the SMS 2019-07-23 16:50:19 -04:00
Virgil Dupras
c2d84563dd zasm: allow duplicate const definition 
This will allow interesting override scenarios, adding flexibility.
 2019-07-23 16:01:23 -04:00
Virgil Dupras
1dec33e02a zasm: make symbol registry a bit more straightforward 
Instead of strings of variable length driving the iteration of the
registry, we do so through records that keep track of lengths and
counts.
 2019-07-23 15:21:42 -04:00
Virgil Dupras
02c7eb0161 zasm: clarify strlen's API 2019-07-23 14:59:38 -04:00
Virgil Dupras
cdb206b7a5 zasm: fix nasty (iy+d) misparsing bug 
*sob*...
 2019-07-23 13:58:18 -04:00
Virgil Dupras
b95f4c8c24 zasm: remove SYM_CTX_PTR 2019-07-22 16:34:40 -04:00
Virgil Dupras
f4f91ebd79 zasm: remove SYM_CTX 2019-07-22 16:13:00 -04:00
Virgil Dupras
311d04e9aa zasm: make symbol registry easily parametrizable 
I'm about to split the global registry in two (labels and consts)
and the previous state of registry selection made things murky.
Now it's much better.
 2019-07-22 15:13:09 -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
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
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
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
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
252d71f1b8 Make tools/emul *BSD-friendly 2019-07-11 21:21:54 -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
63486126ef zasm: update bootstrap bin 2019-07-01 10:56:38 -04:00
Virgil Dupras
d6b391e39a Update bootstrap binaries 2019-06-19 13:22:51 -04:00
Virgil Dupras
7cdc288ef2 zasm: print progress indicator while assembling 2019-06-19 11:42:39 -04:00
Virgil Dupras
6f61aa404f tools/cfsunpack: new tool 2019-06-17 15:21:05 -04:00
Virgil Dupras
4b423a9dc6 tools/blkdump.py: new tool 
Also, rename "download.py" to "memdump.py".
 2019-06-17 09:02:01 -04:00
Virgil Dupras
3bc165c8f6 Update bootstrap bin 2019-06-15 20:54:27 -04:00
Virgil Dupras
3e7d181d3c zasm: properly raise error on bas ioPutC calls 2019-06-15 20:01:17 -04:00
Virgil Dupras
7ba8e85a4a Update bootstrap binaries 2019-06-15 15:53:03 -04:00
Virgil Dupras
4ea7839488 New tool: download.py 2019-06-14 16:06:18 -04:00
Virgil Dupras
df5549ae76 tools/upload.py: support files larger than 0xff bytes 2019-06-14 15:06:14 -04:00
Virgil Dupras
b742d48b75 Update bootstrap binaries 2019-06-05 19:52:56 -04:00
Virgil Dupras
3dde51ae98 Allow file-to-file compilation in the emulated shell 2019-06-05 19:51:19 -04:00
Virgil Dupras
fc81bce70f Fix error handling when writing to files in emulated shell 2019-06-05 16:13:15 -04:00