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Code Issues Releases Wiki Activity
227 Commits 4 Branches 0 Tags 10 MiB
848a7500bc
Commit Graph

130 Commits

Author SHA1 Message Date
Virgil Dupras
848a7500bc zasm: add support for .fill directive 2019-05-20 08:39:53 -04:00
Virgil Dupras
acddb045a5 zasm: add support for .org directive 2019-05-19 14:40:42 -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
c01816b055 zasm: make instr a bit more zasm-friendly 
But we're still at a certain distance from assembling it with zasm:
we're busting the 0x100 symbol limit.
 2019-05-18 21:07:35 -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
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
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
ae2187ad06 zasm: avoid ';' literal 
Simplifies comment stripping through sed.
 2019-05-17 19:49:37 -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
40d5530666 zasm: allow expression in .db 2019-05-17 17:21:49 -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
16922da3d4 zasm: support multiple elements in .dw and .db 2019-05-17 15:39:28 -04:00
Virgil Dupras
b0318f4891 zasm: make instr unt write directly to ioPutC 
Couldn't get rid of instrUpcode though, too complicated.
 2019-05-17 15:35:49 -04:00
Virgil Dupras
26d6dd1912 zasm: remove direcData buffer 2019-05-17 15:14:38 -04:00
Virgil Dupras
ad7428e471 zasm: make io unit handle PC and output suppression 2019-05-17 14:58:16 -04:00
Virgil Dupras
6547e83f20 zasm: improve comma processing 
We don't treat "," exactly as a whitespace anymore. We have specific
processing for it.
 2019-05-17 14:34:38 -04:00
Virgil Dupras
3a91e9eb46 zasm: add support for PUSH/POP IX/IY 2019-05-17 14:00:37 -04:00
Virgil Dupras
c1b09123f1 zasm: add support for RETI and RETN 2019-05-17 13:21:49 -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
0f5fab23e9 zasm: don't accept "0X" prefix for hex anymore 
This was only necessary in the time where input was upcased right after
reading.
 2019-05-17 10:03:36 -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
2f0dd5d668 zasm: iiiiiiiincluuuuuuudes!!1! 2019-05-16 21:15:00 -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
e9244b80ee zasm: big I/O overhaul 
Instead of buffering input in memory one line at a time, we go in "just
in time" mode and always read contents directly from I/O, without
buffering.

It forces us to implement a `ioPutback` scheme, but on the other hand it
greatly simplifies cases where multiple tokens are on the same line
(when a label is directly followed by an instruction).

The end result feels much more solid and less hackish.
 2019-05-16 07:53:42 -04:00
Virgil Dupras
34ff0a6c2a zasm: consolidate code 2019-05-15 15:27:33 -04:00