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212 Commits

Author SHA1 Message Date
Virgil Dupras
f511289a3a tools/emul: make shell's cfsin always have all apps compiled in it 2019-06-03 08:34:29 -04:00
Virgil Dupras
04bf2117b2 tools/emul: re-organize .h files 
What used to be `tools/emul/user.h` was in fact specific to zasm, so I
moved it there.

To avoid name confusion, I renamed what used to be kernel.h and user.h
to kernel-bin.h and user-bin.h.
 2019-06-03 08:12:44 -04:00
Virgil Dupras
9a72f10221 zasm: includes CFS is now built on-the-fly by zasm.sh 
This makes for a much more usable zasm linux binary that doesn't have to
be rebuilt every time apps or kernel change.
 2019-06-02 19:57:40 -04:00
Virgil Dupras
02954af570 Simplyfy the creation of includes.cfs 
The next step is to generate them on-the-fly.
 2019-06-02 16:47:17 -04:00
Virgil Dupras
a4e45d1a75 zasm: make fsdev buffer larger 
Now that we don't sed out the comments any more, we busted the buffer.
 2019-06-02 16:46:44 -04:00
Virgil Dupras
58bdc6b27f cfspack: apply fnmatch only to files 2019-06-02 16:46:12 -04:00
Virgil Dupras
8e2a89cea5 cfspack: add the ability to spit a single file 2019-06-02 16:35:41 -04:00
Virgil Dupras
c317fbdcf9 cfspack: add pattern argument 2019-06-02 16:22:07 -04:00
Virgil Dupras
22e990ed89 Parametrize zasm linux bin's include CFS file 
... instead of embedding it in the binary itself. Additionally, add a
"zasm.sh" wrapper to faciliate zasm calls on a linux machine.
 2019-06-02 15:50:59 -04:00
Virgil Dupras
37a167562c Update bootstrap bin 2019-06-02 14:46:48 -04:00
Virgil Dupras
21c677a950 Make parseArgs not expect a leading space 2019-06-02 14:46:07 -04:00
Virgil Dupras
f8bd8eeaaf Make userspace parse args the same way the shell does 2019-06-02 14:05:20 -04:00
Virgil Dupras
73c3fc7947 shell/stdio: decouple from blkdev (again) 
Move load/save to blkdev_cmds and add a new "poke" builtin shell cmd
that is the mirror of "peek" and strictly uses stdio (no blkdev
involved).

This allows us to slim the minimal OS size but, more importantly, change
the behavior of "load" so that we don't expect GetC to block until Z is
set. This way, using "load X" with X being larger than the blkdev size
won't block forever.

This also brings our RC2014 minimal kernel below the 1K mark again.
 2019-06-02 11:06:38 -04:00
Virgil Dupras
88bf98321e fs: adjust to DE->IX change in recipe/emul glue code 2019-06-02 10:18:03 -04:00
Virgil Dupras
2e8af376e3 pgm: new kernel module 
The pgm module implements a shell hook so that when an unknown command
is typed, we look into the mounted filesystem and look for a file with
the same name as the command. If we find one, we load it in memory and
run it.
 2019-05-31 14:54:15 -04:00
Virgil Dupras
83771b538f fs: check for file size bounds in GetC 2019-05-31 11:12:29 -04:00
Virgil Dupras
cdc865f8c6 tools/emul/shell: add debug output 2019-05-30 14:55:16 -04:00
Virgil Dupras
6403ab1acf zasm: add support for SRL r 2019-05-30 14:46:25 -04:00
Virgil Dupras
328f44814e Make blockdev pointers 32 bits 
This allows us to break through the 64K limit for includes CFS in zasm,
a limit we were dangerously close to breaking. In fact, this commit
makes us go over that limit. Right in time!
 2019-05-28 19:42:35 -04:00
Virgil Dupras
2c80924df9 zasm: indicate include lineno in errors 2019-05-28 09:57:29 -04:00
Virgil Dupras
8def8e7c38 zasm: add lineno to error reports 
For now, top-level only
 2019-05-27 20:52:40 -04:00
Virgil Dupras
e414e600ea zasm: add ERR_DUPSYM and ERR_OOM error conditions 2019-05-27 17:45:05 -04:00
Virgil Dupras
b298e607bd zasm: implement error conditions for #inc 2019-05-27 14:21:46 -04:00
Virgil Dupras
31f7c7771d zasm: implement error conditions in .org and .fill 2019-05-27 14:16:40 -04:00
Virgil Dupras
371076190f zasm: implement error conditions in .equ 2019-05-27 14:07:07 -04:00
Virgil Dupras
436ff51c39 zasm: implement error conditions in .dw 2019-05-27 13:52:58 -04:00
Virgil Dupras
f5d4321ece zasm: implement error conditions in .db 2019-05-27 13:44:53 -04:00
Virgil Dupras
d76dd54f4b zasm: add ERR_OVFL 2019-05-27 12:12:21 -04:00
Virgil Dupras
f9118ef88e xasm: expand ERR_BAD_ARG condition 2019-05-27 12:05:42 -04:00
Virgil Dupras
e1e6d52fea zasm: add ERR_BAD_FMT 2019-05-27 11:58:12 -04:00
Virgil Dupras
412b3f374a zasm: add ERR_BAD_ARG 2019-05-27 11:22:38 -04:00
Virgil Dupras
af2c561c6b zasm: begin erroring out reliably 
Up until now, invalid source input had undefined behavior. We're now
beginning to define that behavior so that zasm can be a bit more usable.
 2019-05-27 11:04:31 -04:00
Virgil Dupras
8923fefeff Update docs 2019-05-20 12:11:45 -04:00
Virgil Dupras
c40bc329d5 zasm: fix expr returning wrong values on first pass 
To run a parseExpr on first pass would always return a false success
with dummy value because symbols are configured to always succeed on
first pass. This would make expressions like ".fill 0x38-$" so bad
things to labels because "0x38-$" wouldn't return the same thing on
first and second pass.

Revert to parsing literals and symbols after having scanned for
expressions and add a special case specifically for char literals (which
is why we scanned for literals and symbols first in the first place).
 2019-05-20 10:46:27 -04:00
Virgil Dupras
e18f9b53a9 zasm: add support for "$" symbol 
Allows for the ".fill x-$" pattern.
 2019-05-20 09:17:50 -04:00
Virgil Dupras
207adbc2f8 tools/emul: add "make rescue" command 2019-05-20 08:58:53 -04:00
Virgil Dupras
848a7500bc zasm: add support for .fill directive 2019-05-20 08:39:53 -04:00
Virgil Dupras
ae315499cb Run unit tests with zasm 2019-05-20 07:50:23 -04:00
Virgil Dupras
c586c0d63c Make the shell emulator be built by zasm 2019-05-20 07:29:19 -04:00
Virgil Dupras
fa3b86a5c1 zasm now bootstraps itself without scas! 2019-05-19 20:44:19 -04:00
Virgil Dupras
acddb045a5 zasm: add support for .org directive 2019-05-19 14:40:42 -04:00
Virgil Dupras
49be50b730 zasm now self-assembles! 2019-05-19 13:00:52 -04:00
Virgil Dupras
bc1496a7e3 zasm emul: bring back kernel/user distinction 
It was a bad idea to remove it. Now that I'm introducing the concept of
a per-app glue file, it becomes much easier to build emulated zasm as a
userspace app.
 2019-05-19 12:57:59 -04:00
Virgil Dupras
7fad3b0c90 Move /parts/z80 to /kernel 
Let go of that "meta os" thing. it's not as meta as I made it sound
like. It's a kernel.
 2019-05-19 11:19:41 -04:00
Virgil Dupras
78d9764005 zasm: can now assemble zasm/expr.asm! 2019-05-19 10:45:11 -04:00
Virgil Dupras
6cbce0533a zasm: can now assemble zasm/instr.asm! 2019-05-19 10:40:45 -04:00
Virgil Dupras
ea8477bb91 zasm: accept whitespaces before separating comma 2019-05-19 10:39:29 -04:00
Virgil Dupras
3b1ef2b9af zasm: bump global symbol limit to 0x200 2019-05-19 09:54:42 -04:00
Virgil Dupras
44abc79850 zasm: add support for SBC HL, ss 2019-05-19 09:54:02 -04:00
Virgil Dupras
d9fff16157 zasm emul: get rid of the kernel/user distinction 
Made things complicated for nothing.
 2019-05-19 09:14:40 -04:00
Virgil Dupras
98695f9912 zasm: de-index symRegister 
Make symRegister's logic pointer-based so we can break through the 0x100
limit.
 2019-05-19 09:06:24 -04:00
Virgil Dupras
bccf933ea9 zasm: try for regular number or symbol before parsing expr 
Previously, we would mess up literals like '-'.
 2019-05-18 21:06:31 -04:00
Virgil Dupras
723497af69 zasm: can now assemble zasm/directive.asm! 2019-05-18 20:37:34 -04:00
Virgil Dupras
9f6ebf538d zasm: can assemble zasm/tok.asm! 2019-05-18 20:31:52 -04:00
Virgil Dupras
fd11941867 zasm: can now assemble zasm/parse.asm! 2019-05-18 19:59:58 -04:00
Virgil Dupras
2ce6b61964 zasm: add support for RLC r and RRC r 2019-05-18 19:59:31 -04:00
Virgil Dupras
29f0bcbe23 zasm: can now assemble zasm/symbol.asm! 2019-05-18 18:56:27 -04:00
Virgil Dupras
b7f5307de1 zasm: can now assemble zasm/io.asm! 2019-05-18 15:45:36 -04:00
Virgil Dupras
84090dcd14 zasm: add support for RL r and RR r 
Also, make zasm assemble zasm/util.asm again!
 2019-05-18 15:41:21 -04:00
Virgil Dupras
8832408e95 zasm: can now assemble fs.asm! 2019-05-18 15:18:19 -04:00
Virgil Dupras
d47d07757e zasm: fix expr operator priority 2019-05-18 15:17:56 -04:00
Virgil Dupras
068e4327ec zasm: fix false truncation error on "-" expressions 2019-05-18 14:51:11 -04:00
Virgil Dupras
650eec23de zasm: add LD r, (IX/Y+d) support 2019-05-17 23:01:29 -04:00
Virgil Dupras
f44c3e5413 zasm: fix 3-digit hex parsing 2019-05-17 23:00:57 -04:00
Virgil Dupras
cdb6cce914 zasm: add multiplication expressions 2019-05-17 22:22:10 -04:00
Virgil Dupras
157ac03e25 zasm: can now assemble zasm/util.asm! 2019-05-17 20:47:43 -04:00
Virgil Dupras
28d5ebdc8a Make apps folder into a namespace 
To straighten out includes and to pave the way into zasm being part of
the same "include CFS" as parts, we make zasm includes namespaced.
 2019-05-17 20:22:32 -04:00
Virgil Dupras
93e40aeb09 Strip comments out of code before packing CFS 
This shrinks the CFS size to 21k from nearly 64K. This will allow me to
kick the can down the road a bit with regards to supporting storage
seek/tell greater than 64K.

I'll get to it, but first, I want to assemble zasm with zasm!
 2019-05-17 19:54:35 -04:00
Virgil Dupras
a3d3e0ce37 zasm: can now assemble the shell! 2019-05-17 19:36:32 -04:00
Virgil Dupras
d58cf122a8 zasm: fix regression with lowercase (ix+d) parsing 2019-05-17 19:32:58 -04:00
Virgil Dupras
2a97966bdc zasm: add LD IX/IY, NN instructions 2019-05-17 17:43:42 -04:00
Virgil Dupras
21c49d80cf zasm: allow single quote to contain whitespace 2019-05-17 17:22:16 -04:00
Virgil Dupras
556be3f0ce zasm: allow for whitespace inside string literals 
Also, increase scratchpad size. It wasn't big enough for some
expressions in shell unit.
 2019-05-17 16:44:08 -04:00
Virgil Dupras
f9dac15449 zasm: add support for string literals in .db 2019-05-17 16:17:22 -04:00
Virgil Dupras
b499d320de zasm: can now assemble stdio! 2019-05-17 15:43:44 -04:00
Virgil Dupras
16922da3d4 zasm: support multiple elements in .dw and .db 2019-05-17 15:39:28 -04:00
Virgil Dupras
4c37d869f4 zasm: now assembles blockdev! 2019-05-17 14:07:07 -04:00
Virgil Dupras
26e5c1de43 zasm can now assemble acia! 2019-05-17 13:23:16 -04:00
Virgil Dupras
807bd70b63 zasm emul: add dumpSymbolTable debug routine 
Very helpful...
 2019-05-17 13:22:45 -04:00
Virgil Dupras
072aad775a zasm: don't match prefixes in symFind 
Only match when full names match.
 2019-05-17 13:14:16 -04:00
Virgil Dupras
92a119105d zasm: add support for "0b" literals 2019-05-17 10:34:01 -04:00
Virgil Dupras
4075c90d44 Add unit test for zasm's parse unit 2019-05-17 10:00:30 -04:00
Virgil Dupras
7083116379 zasm: remove JUMP_ prefixes 
They serve no purpose and make the code less flexible.
 2019-05-17 09:50:11 -04:00
Virgil Dupras
013a3b74c8 Add the concept of unit tests 
Will be much much easier to tests new core routines without having to
re-create their context first.

Also, extract parse.asm from core.asm
 2019-05-17 09:33:20 -04:00
Virgil Dupras
45b8e84e2a shell: de-macro-ize 2019-05-17 08:21:37 -04:00
Virgil Dupras
56760b5aba stdio: de-macro-ize 2019-05-17 08:14:19 -04:00
Virgil Dupras
dfce0d3a62 tools/emul: fix shell RAMSTART 2019-05-17 07:55:28 -04:00
Virgil Dupras
def6c2123d tools/emul: clean up the place a bit 2019-05-17 07:23:59 -04:00
Virgil Dupras
2f0dd5d668 zasm: iiiiiiiincluuuuuuudes!!1! 2019-05-16 21:15:00 -04:00
Virgil Dupras
a2d6cea72f cfspack: fix bug where we would underallocate blocks 2019-05-16 21:07:57 -04:00
Virgil Dupras
e18879fcb2 zasm emul: hook fsdev in glue code 2019-05-16 13:23:23 -04:00
Virgil Dupras
df67a38f81 Extract fs_cmds.asm from fs.asm 2019-05-16 13:20:29 -04:00
Virgil Dupras
23f0dc18ca zasm emul: add tooling for includes fsdev 
On build, pack `parts/z80` into a CFS and embed it into the emulated
zasm executable as an fsdev. This will allow for the upcoming include
directive to have something to go to.

For now, this is useless except for inflating the emulated zasm's size.
 2019-05-16 12:07:57 -04:00
Virgil Dupras
22c7eeaa5d Move apps/zasm/tests to tools/tests/zasm 
This 'apps' folder is going to disappear. Everything is going to be a
"part" to be assembled through recipes. 'apps' has no meaning.
 2019-05-16 11:23:15 -04:00
Virgil Dupras
0ae91e55ec zasm: big local symbols overhaul 2019-05-16 08:26:00 -04:00
Virgil Dupras
fa28d64278 zasm: change ioRewind to ioSeek 
Will need it soon.
 2019-05-15 13:41:56 -04:00
Virgil Dupras
878bc2919f zasm: add support for relative labels 2019-05-12 22:07:21 -04:00
Virgil Dupras
1e3982d3ab zasm: make DE indicate the last line to be read 
Facilitates debugging
 2019-05-12 21:44:59 -04:00
Virgil Dupras
4f44d3de63 parts/z80/fs: add "fopn" command 2019-05-12 15:38:58 -04:00
Virgil Dupras
9b4b907236 tools/emul/shell: fix srong SeekL return value 
Also, add warning on attempts to write to ROM.
 2019-05-12 14:32:24 -04:00
Virgil Dupras
a86738ae84 tools/emul/shell: add filesystem support 
With the help of the newly-introduced cfspack tool, we can mount a
filesystem in our emulated shell and play around. Read-only for now.
Unpacking incoming.
 2019-05-12 11:20:31 -04:00
Virgil Dupras
6aa53afabc zasm: add memdump mode 2019-05-12 08:49:59 -04:00
Virgil Dupras
c239ec7dea zasm: read input in two passes 2019-05-10 20:32:05 -04:00
Virgil Dupras
6a804a9c64 zasm: buffer stdin in emulator 
Also, add a port for rewinding stdin.
 2019-05-10 19:55:01 -04:00
Virgil Dupras
34ee91a0d7 zasm: use blkdev IDs as input and output 
This will soon allow use to seek and tell on input, which is necessary
for a second pass which is necessary for forward symbol references.

This require making `blkSel` a bit more flexible. Rather than having one
global selected blkdev, each app can select its own, in its own memory
space.
 2019-05-10 19:33:34 -04:00
Virgil Dupras
5a6078df4d zasm: add support for hex literals 2019-05-09 22:14:11 -04:00
Virgil Dupras
b87feac785 zasm: add support for labels! 2019-05-09 21:21:08 -04:00
Virgil Dupras
d34aff67bb zasm: Read from and write to streams instead of memory 2019-05-09 15:36:03 -04:00
Virgil Dupras
7f27d63c19 Move apps/zasm/emul to tools/emul 2019-05-09 14:09:40 -04:00
Virgil Dupras
193e6e066c Add tools/emul 2019-05-09 12:58:41 -04:00
Virgil Dupras
9c7f006d47 tools/upload: make I/O a bit slower 
Without delays between read/writes, I often add lockups.
 2019-05-07 14:49:34 -04:00
Virgil Dupras
cc62991f4e Add tools/upload.py 2019-05-06 10:18:11 -04:00