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collapseos
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1699 Commits

Author SHA1 Message Date
Virgil Dupras 6b1679c811 recipes/rc2014/sdcard: mount filesystem! 2019-05-28 13:13:34 -04:00
Virgil Dupras 312e95479e sdc: fix bug preventing us from reading beyond first sector 2019-05-28 13:12:08 -04:00
Virgil Dupras 8cfe834edb recipes/rc2014/sdcard: use "sdci" and blockdev rather than user prog 2019-05-28 11:01:17 -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 976a93971c zasm: improve docs 2019-05-27 10:38:29 -04:00
Virgil Dupras 8923fefeff Update docs 2019-05-20 12:11:45 -04:00
Virgil Dupras ed19c6afc1 Use zasm in recipes 2019-05-20 11:00:14 -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 d2c6e21c64 Fix broken shell 
When I zasm-ified the shell a couple of dozens of commits ago, I
inverted push and pops...
 2019-05-20 07:38:15 -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 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 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