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collapseos
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Commit Graph

31 Commits

Author SHA1 Message Date
Virgil Dupras b0218349ff zasm: support multiple instructions on single line 2019-05-14 16:45:56 -04:00
Virgil Dupras 1010e8372c zasm: add support for subtractions in expressions 2019-05-14 16:39:10 -04:00
Virgil Dupras 67803f6cb5 zasm: don't upcase char literals 2019-05-14 15:42:15 -04:00
Virgil Dupras 72d2a8f073 zasm: add support for + expressions 2019-05-14 15:26:29 -04:00
Virgil Dupras 99a7c94c9f zasm: make "double parsing" a bit more solid 
It was previously skipped on a local label.
 2019-05-14 14:35:34 -04:00
Virgil Dupras 2c0166814f zasm: support inline labels 
That is, labels with code following right afterwards.
 2019-05-14 14:10:20 -04:00
Virgil Dupras a486a2a81e zasm: support char literals 2019-05-14 13:53:12 -04:00
Virgil Dupras 2de69ee7cd zasm: add support for local labels 2019-05-13 20:23:10 -04:00
Virgil Dupras 878bc2919f zasm: add support for relative labels 2019-05-12 22:07:21 -04:00
Virgil Dupras d6f5cf5b90 zasm: fix first pass inversion bug 
Also, confirm in tests that we can refer to other symbols in `.equ`.
 2019-05-12 08:50:29 -04:00
Virgil Dupras 89848dbfe2 zasm: add support for .equ 2019-05-11 22:11:05 -04:00
Virgil Dupras 95f53d0ce3 zasm: support symbols in .dw directive 2019-05-10 21:17:19 -04:00
Virgil Dupras c000d5cfb1 zasm: support forward label references! 2019-05-10 21:14:46 -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 7f27d63c19 Move apps/zasm/emul to tools/emul 2019-05-09 14:09:40 -04:00
Virgil Dupras 6811d98618 zasm: add support for the ".dw" directive 2019-05-01 14:07:01 -04:00
Virgil Dupras dde5161fc1 zasm: add support for ".db" directive 2019-05-01 11:26:41 -04:00
Virgil Dupras 98ad223ee1 zasm: introduce the concept of instruction ID 
It will make tokenization cleaner and it also makes the instruction
table significantly more compact.
 2019-04-30 20:26:41 -04:00
Virgil Dupras a7635cb1ea zasm: allow blank lines in asm source code 2019-04-30 16:24:45 -04:00
Virgil Dupras eb5c974573 zasm: allow leading whitespace in parsed lines 2019-04-30 16:08:56 -04:00
Virgil Dupras 57c3dfece8 zasm: assemble multiple lines at once 2019-04-30 15:51:39 -04:00
Virgil Dupras 63afa5798b zasm: add a bunch of instructions 2019-04-21 14:49:33 -04:00
Virgil Dupras 93eb262083 zasm: add a bunch of instructions 2019-04-21 14:12:06 -04:00
Virgil Dupras e9e2f30fc5 zasm: add support for BIT 2019-04-21 13:41:55 -04:00
Virgil Dupras e073fbff79 zasm: add support for "special instructions" 
Let's not create complex rules for exception cases.
 2019-04-21 12:58:28 -04:00
Virgil Dupras ecf7d7fbd6 zasm: add a bunch of instructions 2019-04-21 11:49:20 -04:00
Virgil Dupras 056bbde710 zasm: add support for IX/IY with displacement 2019-04-21 10:55:47 -04:00
Virgil Dupras 89972ca210 zasm: add a bunch of instructions 2019-04-20 23:03:13 -04:00
Virgil Dupras 115dc18971 zasm: add support for extended instructions 2019-04-20 22:37:38 -04:00
Virgil Dupras f6dddaa380 zasm: add automated tests and fix a bunch of bugs 
A python script generates all possibilities for all supported
instructions and compare zasm output with scas. After having fixed a
couple of bugs, all tests pass!
 2019-04-17 21:03:20 -04:00