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1249 Commits

Author SHA1 Message Date
ISSOtm
023a3c037f Properly handle missing symbols 
Fixes #512
 2020-04-12 22:52:32 +02:00
ISSOtm
a034ce0478 Deprecate '*' for comments 2020-04-09 17:57:15 +02:00
Eldred Habert
d6cd5823e3 Merge pull request #508 from JL2210/mod-by-zero-fix-2 
Fix modulo by zero
 2020-04-09 14:52:12 +02:00
JL2210
5dd941b311 Fix modulo by zero 
Yet another case caught by scan-build:

src/link/patch.c:188:21: warning: Division by zero
                        value = popRPN() % value;
                                ~~~~~~~~~^~~~~~~

Just copy over the code from the division case, with a few modifications.

Signed-off-by: JL2210 <larrowe.semaj11@gmail.com>
 2020-04-09 08:50:23 -04:00
ISSOtm
f9f27d6f5a Clean up symbol system 
Get rid of Hungarian notation
Improve encapsulation (the rest of the world should not touch PC directly)
 2020-04-09 10:42:37 +02:00
JL2210
5863cd10b8 Fix possible null pointer dereference 
It's possible that if the FILE passed to yy_create_buffer is at the
end-of file, there may be a null pointer dereference.

This should hopefully fix that.

Found with clang-tools' scan-build:

src/asm/lexer.c:281:25: warning: Array access (via field 'pBuffer')
 results in a null pointer dereference
        pBuffer->pBuffer[size] = 0;
                 ~~~~~~~       ^
1 warning generated.

Signed-off-by: JL2210 <larrowe.semaj11@gmail.com>
 2020-04-08 17:30:43 -04:00
ISSOtm
40f8e33e6c Fix periods not being accepted as second char of label names 2020-04-08 15:14:07 +02:00
ISSOtm
0157ba63d3 Document whitespace before local labels 2020-04-08 15:08:29 +02:00
ISSOtm
9e3d8b22cb Document new intra-section align 
Also sneak in two code style fixes forgotten in last commit
 2020-04-08 15:01:36 +02:00
ISSOtm
665412c073 Implement mid-section alignment directive 
Fixes #254.
 2020-04-08 12:29:00 +02:00
ISSOtm
2b0c34ecb5 Fix a few code style errors 2020-04-08 00:44:41 +02:00
ISSOtm
b0ec8468e6 Allow specifying offset in addition to alignment 2020-04-08 00:40:41 +02:00
ISSOtm
e82ad21704 Use a single byte for alignment 2020-04-07 21:19:09 +02:00
ISSOtm
e098bf47ba Allow references to be overridden by constant symbols 
RGBLINK is capable of handling it now.
Though it'd be ideal for RGBASM to directly catch it.

Fixes #496.
 2020-04-07 20:57:20 +02:00
ISSOtm
190678107b Prevent RGBLINK from crashing when getting the bank of a constant 2020-04-07 20:41:29 +02:00
ISSOtm
9f82fa4cf7 Fix BANK(@) outside sections causing crashes 2020-04-07 15:51:17 +02:00
Eldred Habert
562835308b Merge pull request #504 from runlevel5/gcc10-fix 
Fix multiple definitions for GCC10
 2020-04-07 15:18:23 +02:00
ISSOtm
927c65e863 Fix incorrect PC in LOAD blocks at link time 2020-04-07 14:44:51 +02:00
ISSOtm
5b6c1569a4 Make failure to open file a fatal error 2020-04-07 11:36:44 +02:00
Trung Lê
65121e6d5d Fix multiple definitions for GCC10 2020-04-07 14:48:30 +10:00
ISSOtm
82e0e4ffaf Make some RGBLINK errors non-fatal 2020-04-06 00:48:10 +02:00
ISSOtm
bdad1499fe Merge branch 'release' 2020-04-03 11:58:53 +02:00
Eldred Habert
1f5ca39559 Merge pull request #494 from ISSOtm/docs 
Overhaul man pages
 2020-04-03 11:56:41 +02:00
ISSOtm
bcfeb49d6b Allow labels to be passed to DEF 2020-04-02 16:54:41 +02:00
ISSOtm
702d9e0542 Fix wrong error function used in RGBGFX 2020-03-31 17:28:31 +02:00
ISSOtm
a3d8836671 Prevent assertions outside sections from crashing 2020-03-29 12:18:24 +02:00
ISSOtm
db1eb8fbcb Revert "Prevent RGBASM from outputting corrupted files" 
This reverts commit 06fe27c516.

According to Microsoft's documentation
https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/tmpfile?view=vs-2019
`tmpfile` attempts to create the temporary file at the **root** folder
This seems to assume that the user has admin rights; might be a compat
thing, idk, but it breaks on people's computers.
(CI didn't catch it, annoyingly.)

Reverting to make RGBASM usable on most Windows computers.
(Sanely-configured ones, at least.)
Another solution to #446 needs to be figured out, yay...
 2020-03-27 23:36:11 +01:00
ISSOtm
95f347dc6a Evaluate assertions after placing sections 2020-03-27 20:00:29 +01:00
ISSOtm
6579120d9e Simplify symbol-writing logic 2020-03-27 12:32:14 +01:00
ISSOtm
84cd9f2db9 Fix segfaults when using PC outside a section 2020-03-27 12:30:09 +01:00
ISSOtm
06fe27c516 Prevent RGBASM from outputting corrupted files 
Properly fixes #451
 2020-03-27 11:19:02 +01:00
ISSOtm
5039af6af1 Document new "unionized section" feature 2020-03-26 23:50:30 +01:00
ISSOtm
4df74d44ec Improve opcode reference 2020-03-26 23:11:01 +01:00
ISSOtm
9113647d41 Fix incorrect macro used for x-ref 2020-03-26 23:11:01 +01:00
ISSOtm
3c304f3acf Override mandoc styling without modifying the stylesheet 2020-03-26 23:11:01 +01:00
ISSOtm
713eef9ef2 Update mandoc style sheet 2020-03-26 23:11:01 +01:00
ISSOtm
7635a2fc74 Reword and give an example of symbol interpolation 2020-03-26 23:11:01 +01:00
ISSOtm
6889334521 Add viewport tag for mobile users 2020-03-26 23:11:01 +01:00
ISSOtm
d1e82e50cb Improve style of man page HTML renders 
See individual comments within `rgbds.css` for more info
Not too fond of having to modify `mandoc.css`, but I did my best to
modify as little as possible
 2020-03-26 23:11:01 +01:00
ISSOtm
7955447ca4 Overhaul man pages 2020-03-26 23:11:01 +01:00
ISSOtm
51e225cd75 Add post-processor for HTML renders 
Adds links to argument descriptions in synopsis
Adds links to man pages in the set (not to external ones)
Removes artifact from the way long opts are encoded
Makes description blurb inline, consistently with terminal output
 2020-03-26 23:11:01 +01:00
ISSOtm
187f88aa50 Only copy necessary characters for bare labels 2020-03-26 23:10:51 +01:00
ISSOtm
caddd61f17 Remove "column 1" restriction for local labels 
Because a local symbol is necessarily a label, the disambiguation
is not necessary. This is a first step towards fixing #457.
 2020-03-26 22:36:40 +01:00
ISSOtm
29629245a4 Use new hashmap implementation for symbols 2020-03-24 12:50:53 +01:00
ISSOtm
7deb8d3e8a Allow purging exported symbols 2020-03-24 10:52:02 +01:00
ISSOtm
cb0a882a31 Order warnings alphabetically 2020-03-23 16:03:36 +01:00
ISSOtm
df2c0dc2f9 Check for unsatisfiable alignment constraints 
Fixes #493
 2020-03-22 11:54:57 +01:00
ISSOtm
062fa5392b Still override alignment even if not satisfied 2020-03-22 11:52:31 +01:00
ISSOtm
4877bb783c Add more tests for unionized sections + fix bugs 
Implementing those tests found a few bugs... oops
 2020-03-22 11:14:04 +01:00
ISSOtm
275b8e15ff Document modification to object file format 2020-03-22 11:14:04 +01:00