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b7831b49c3
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be smarter about lexing spaces
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2016-04-10 03:26:23 -07:00 |
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311b1e362f
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implement offsets for constants
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2016-04-10 03:25:11 -07:00 |
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356aee5e9f
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add branch-likely pseudo-instructions
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2016-04-07 07:56:46 -07:00 |
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da1c49cbfb
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fix trunc.w.s instruction
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2016-04-07 04:00:42 -07:00 |
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4220509be5
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expect addresses in literal immediates of branches
this is more useful than letting the immediate number simply pass through
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2016-04-02 08:38:22 -07:00 |
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fdb4b351a6
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fix labels in word directives
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2016-04-02 08:05:07 -07:00 |
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4b8af13e78
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fix align directive with arguments
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2016-04-02 08:05:05 -07:00 |
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3febafef02
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fix parsing of files lacking a trailing newline
ensures files yield an EOL token before EOF
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2016-03-13 20:27:13 -07:00 |
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54f28dc333
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don't strip 0x80 prefix from .ORG addresses
the rest of the code seems to handle this fine,
since setting options.offset was bypassing it anyway
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2016-03-13 20:24:43 -07:00 |
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0b5331ff5c
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use ; comments to fix github highlighting
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2016-01-24 20:18:52 -08:00 |
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9e4167e04a
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add something resembling documentation
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2016-01-24 20:03:07 -08:00 |
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e7fe9d972c
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fix shift-variable argument order
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2016-01-18 20:28:11 -08:00 |
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260db0ba9e
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fix a couple regressions
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2016-01-16 10:51:13 -08:00 |
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07c68b6229
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implement basic specials; more refactoring
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2016-01-15 20:34:37 -08:00 |
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195236a52c
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begin work on specials; big refactor
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2016-01-15 11:15:02 -08:00 |
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c0c4d81b5a
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handle parenthesis after lexing instead
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2016-01-15 07:49:43 -08:00 |
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659bec36f8
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reimplement defines
defines now resolve to the previous definition, rather than the lastmost.
also, defines are invisible to the parser now.
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2016-01-14 17:29:45 -08:00 |
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61cd69004f
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split out token-handling and preprocessing
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2016-01-14 16:31:24 -08:00 |
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1eed93f2e7
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add filenames to Dumper errors
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2016-01-14 11:33:53 -08:00 |
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fffe542d10
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fix most line numbers in errors
this might be a bit of a hack;
i feel like nextc() should always happen after yield(),
not a mix of before and after.
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2016-01-14 10:32:08 -08:00 |
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996d148ed5
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fix usage of fpu/sys registers
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2016-01-13 14:45:55 -08:00 |
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e21dbc72e6
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reimplement addressing modes
this allows labels as offsets
and implied offsets of 0
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2016-01-13 14:31:58 -08:00 |
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bf3f86e568
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allow labels in WORD directives
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2016-01-13 13:07:00 -08:00 |
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7c4becf0b6
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use 2**n alignment instead of 2*n
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2016-01-13 11:46:29 -08:00 |
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f8805e6deb
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implement SPACE,HALF directive aliases
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2016-01-13 11:41:00 -08:00 |
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a47c924e75
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implement ascii/asciiz directives, basic string lexing
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2016-01-13 11:18:36 -08:00 |
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5e12951010
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lips is lips
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2016-01-13 09:51:29 -08:00 |
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9fd46b571f
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set up as a proper module; fix some stuff
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2016-01-13 07:40:14 -08:00 |
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9612de6869
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split lips
i fixed a lot of issues with globals in the process
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2016-01-13 07:16:41 -08:00 |
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fe947fecb6
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a bit of refactoring and cleanup
update copyright
use more locals
store an empty table (__) to save memory
reorder instructions table
add a few comments
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2016-01-13 06:46:51 -08:00 |
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f630990c6e
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disallow 0 in place of r0/zero register
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2016-01-05 16:45:53 -08:00 |
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361b0572f6
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update readme
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2016-01-05 01:51:06 -08:00 |
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59d4de30fa
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add relative labels a la asw
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2016-01-05 01:10:52 -08:00 |
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7a0aac3b7c
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implement branch-immediate pseudo-instructions
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2016-01-05 01:06:47 -08:00 |
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769ec200ea
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simplify Parser:format_out arguments
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2016-01-05 01:04:03 -08:00 |
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83a194f829
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add BEQZ/BNEZ pseudo-instructions
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2016-01-05 01:01:52 -08:00 |
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d217ff8147
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reverse argument order in JALR
the general argument order is d,s,t and this should not be an exception
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2015-12-27 02:44:53 -08:00 |
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5f9be52d35
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use locals
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2015-12-27 02:06:18 -08:00 |
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73920dd31d
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use key instead of value for overrides
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2015-12-26 20:42:28 -08:00 |
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5fb0829319
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split out overrides into their own table
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2015-12-26 20:25:06 -08:00 |
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12ca82e40a
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fix branching in some cases
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2015-12-26 19:55:08 -08:00 |
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a3bb50a1a6
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implement cop0 (sys) registers
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2015-12-25 19:12:50 -08:00 |
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90605ab4d1
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don't output anything with empty input
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2015-12-25 01:15:48 -08:00 |
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ce23d57db9
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output sparse bytes; dump words by default
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2015-12-25 01:09:00 -08:00 |
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46b1cbea5a
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actually actually fix octal numbers
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2015-12-25 01:04:08 -08:00 |
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59c4802ff8
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allow LA in place of LI
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2015-12-25 00:16:35 -08:00 |
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164b4ceae2
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remove debugging stuff; add fixme
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2015-12-25 00:14:37 -08:00 |
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67b36f2b07
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fix octal lexing
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2015-12-24 23:52:30 -08:00 |
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fbcd985e68
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use (more standard) OR format for MOV
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2015-12-24 23:43:36 -08:00 |
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905ca2fb5c
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R4300i is MIPS III
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2015-12-21 02:39:19 -08:00 |
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