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781 Commits

Author SHA1 Message Date
Karol Stasiak
0be52821d9 Add the {nullchar} escape sequence 2019-09-02 23:23:23 +02:00
Karol Stasiak
1f8ece007b Add constants for segment bounds 2019-09-02 23:22:07 +02:00
Karol Stasiak
2159fc345f Allow defining custom segment fill 2019-08-16 17:53:03 +02:00
Karol Stasiak
d91b35468e Support non-decimal numbers in -D 2019-08-16 17:52:07 +02:00
Karol Stasiak
bcf403d269 Fix evaluation of constant expressions in assembly 2019-08-16 17:21:51 +02:00
Karol Stasiak
6b4236530d Change fatal error message. 2019-08-16 01:11:03 +02:00
Karol Stasiak
785eb0780b Fix cartridge targets 2019-08-16 01:09:03 +02:00
Karol Stasiak
1d530d896a 6809: Make some progress 2019-08-16 00:51:28 +02:00
Karol Stasiak
960d16fa18 Add nullchar constant, NULLCHAR feature, and vectrex encoding 2019-08-16 00:46:11 +02:00
Karol Stasiak
6b34ddf7f9 Some random stuff 2019-08-05 11:43:51 +02:00
Karol Stasiak
98553d56c0 Don't remove some important type casts 2019-08-04 17:16:01 +02:00
Karol Stasiak
127cd1b901 6502: Fix word multiplication by 0 2019-08-04 13:42:00 +02:00
Karol Stasiak
1a87929ad3 Fix TCO 2019-08-04 13:40:49 +02:00
Karol Stasiak
dfda9f9283 8080: Fix optimizations near ifs 2019-08-04 12:37:54 +02:00
Karol Stasiak
34254314a6 6502: Fix word division and byte multiplication 2019-08-04 00:05:35 +02:00
Karol Stasiak
f51f233571 Fix removing unused local variables 2019-08-03 20:46:01 +02:00
Karol Stasiak
dcbf54872b Fix various compiler crashes 2019-08-03 20:34:02 +02:00
Karol Stasiak
778d04ce21 6502: Fix sign extension when type casting 2019-08-03 20:33:49 +02:00
Karol Stasiak
d760683ea5 6502: Add tests for byte shifting 2019-08-03 20:33:15 +02:00
Karol Stasiak
515da587d8 6502: Fix stack overflow 2019-08-03 20:32:45 +02:00
Karol Stasiak
48220f739d 8080: Fix byte division and simplify byte multiplication 2019-08-03 20:32:26 +02:00
Karol Stasiak
9d78385cba 6502: Fix byte shifting 2019-08-03 20:31:27 +02:00
Karol Stasiak
10c76dcc9c Z80: Fix optimizations around multiplication 2019-08-03 16:42:40 +02:00
Karol Stasiak
9962a8344a 6502: Fix booleans 2019-08-02 00:17:24 +02:00
Karol Stasiak
bb63a73f15 Improve interprocedural optimizations 2019-08-01 19:11:35 +02:00
Karol Stasiak
35fbdcdbb1 6502: Fix compilation of some index expressions 2019-08-01 19:11:09 +02:00
Karol Stasiak
51da5ab2c0 6502: optimize bitops on words 2019-08-01 13:27:03 +02:00
Karol Stasiak
7ded8376d8 Better removal of unused local variables 2019-07-31 23:46:08 +02:00
Karol Stasiak
a1eef66e5c In case of overflows, dump stack 2019-07-31 23:36:22 +02:00
Karol Stasiak
31cbb3d42d Fix optimized struct assignments (again) 2019-07-31 23:36:08 +02:00
Karol Stasiak
5c5bfa3f00 6502: Allow comparing words on stack 2019-07-31 22:32:41 +02:00
Karol Stasiak
a3a168b90b Fix optimized struct assignments 2019-07-31 22:30:33 +02:00
Karol Stasiak
fe25978d14 6502: fix broken jump optimization 2019-07-31 22:30:04 +02:00
Karol Stasiak
0f9bb4fb56 Detect stack overflow during Z80 tests 2019-07-31 22:29:50 +02:00
Karol Stasiak
05c017e375 New encodings for MSX 2019-07-31 00:20:18 +02:00
Karol Stasiak
22b4776139 Enable pointers to functions with a word parameter (using trampolines on 6502) 2019-07-30 22:49:32 +02:00
Karol Stasiak
613ddcf9a4 Refactoring 2019-07-30 22:25:05 +02:00
Karol Stasiak
e2c8dad7a5 Fix 2019-07-30 15:36:18 +02:00
Karol Stasiak
251c6c5562 Assembly output should contain decoded text literals 2019-07-30 15:31:00 +02:00
Karol Stasiak
d3b72f5b42 Add petjp and petscrjp encodings. Allow lowercase letters in string literals on Apple II. 2019-07-30 15:10:29 +02:00
Karol Stasiak
943a56a30f 6502: Fix some cases of word additions; optimize bitmasking 2019-07-30 14:47:52 +02:00
Karol Stasiak
40b2e393da Another fix for PETSCII 2019-07-30 14:35:22 +02:00
Karol Stasiak
5c3637e2ea 6502: Optimize some word operations 2019-07-30 01:40:13 +02:00
Karol Stasiak
b68e4b67c8 Better support for big-endian systems 2019-07-29 22:51:08 +02:00
Karol Stasiak
dd4cb17a80 _.length and _.lastindex for arrays 2019-07-29 22:50:26 +02:00
Karol Stasiak
5fb6efbd61 Change PETSCII encoding to match CC65 and readkey 2019-07-29 02:07:30 +02:00
Karol Stasiak
cb0718b433 6809: First bits of the code generator 2019-07-29 00:55:24 +02:00
Karol Stasiak
b2afddf05b More output operators 2019-07-28 17:49:20 +02:00
Karol Stasiak
8922beda00 Allow text literals in more positions 2019-07-27 01:38:06 +02:00
Karol Stasiak
35ba36ce11 Function pointers – initial version 2019-07-27 00:58:10 +02:00
Karol Stasiak
be9d27e2ee Use standard logging during deduplication 2019-07-27 00:39:07 +02:00
Karol Stasiak
3aac33b54f Add the bool type. Few boolean-related bugfixes. 2019-07-26 19:02:32 +02:00
Karol Stasiak
c8ca48a6b0 Better documentation for in-place modification operators 2019-07-26 18:56:24 +02:00
Karol Stasiak
96850d295d Disallow calls to main when using software stack 2019-07-26 14:56:44 +02:00
Karol Stasiak
8d4e7b9326 Assignments of large objects accessed through pointers 2019-07-26 14:49:06 +02:00
Karol Stasiak
adc93aeb74 Z80: Fix optimizations near stack variables 2019-07-26 14:15:35 +02:00
Karol Stasiak
4b25ce2d8c Pointers to fields of array elements 2019-07-24 00:14:27 +02:00
Karol Stasiak
b873030b29 6502: More optimizations 2019-07-23 23:17:03 +02:00
Karol Stasiak
a25f6ca3f6 6502: Fix optimizations involving the zeropage pseudoregister 2019-07-23 23:16:37 +02:00
Karol Stasiak
45c137e2c0 6502: more possible comparisons for 16-bit words 2019-07-19 15:48:08 +02:00
Karol Stasiak
ed6d96f3f5 Fix for-downto 2019-07-19 15:47:46 +02:00
Karol Stasiak
49d176fb3c Extra message if a constant is not yet constant 2019-07-19 15:47:36 +02:00
Karol Stasiak
07a29643a8 Fix text literals as expressions 2019-07-19 15:47:19 +02:00
Karol Stasiak
12d32594d1 Allow a line break after an operator 2019-07-19 15:46:19 +02:00
Karol Stasiak
09f5ab269d 6502: fix invalid short jumps 2019-07-19 15:45:57 +02:00
Karol Stasiak
20f4baf2b2 Allow setting segments for multiple declarations at once 2019-07-17 20:51:34 +02:00
Karol Stasiak
8d8859b55f Be more helpful for C users 2019-07-17 20:49:36 +02:00
Karol Stasiak
11825c43e1 Check if all segment exist right after parsing 2019-07-17 20:48:31 +02:00
Karol Stasiak
1d024eae76 Add LITTLE_ENDIAN and BIG_ENDIAN features 2019-07-15 14:15:38 +02:00
Karol Stasiak
e0cd000b99 Documentation tweaks 2019-07-15 14:15:05 +02:00
Karol Stasiak
f3dcfc78ba Dijkstra wept 2019-07-15 02:06:23 +02:00
Karol Stasiak
98f35937e3 Improve text encodings on Atari 2019-07-12 13:29:59 +02:00
Karol Stasiak
6d499f3623 Arrays with elements larger than one byte 2019-07-10 16:51:12 +02:00
Karol Stasiak
a29b2a994b Improve passing of register parameters to assembly functions 2019-07-09 22:40:14 +02:00
Karol Stasiak
c5135423f8 Fix: don't swap BC and DE if jumping outside the function 2019-07-09 22:39:57 +02:00
Karol Stasiak
7766ba932b Fix variable coercing 2019-07-09 22:39:20 +02:00
Karol Stasiak
62f79388bd Slowly move towards removing the farword alias 2019-07-09 22:03:53 +02:00
Karol Stasiak
4ab45aba2e 8080: Fix certain bulk array operations 2019-07-09 21:59:02 +02:00
Karol Stasiak
8a5672c2dc Allow declaring multiple variables in one line 2019-07-08 19:24:11 +02:00
Karol Stasiak
769f410767 Fix detection of local duplicate names 2019-07-08 19:10:21 +02:00
Karol Stasiak
56c1ab008d 6502: optimize special cases of bulk memory modifications 2019-07-08 19:02:42 +02:00
Karol Stasiak
d64d0b5f96 6502: Fix expressions like p[i] <<= 1 2019-07-08 18:51:49 +02:00
Karol Stasiak
767f0da703 Placeholder for future expansion 2019-07-08 09:26:51 +02:00
Karol Stasiak
1e4b5acfba Fix some edge cases with large variables 2019-06-29 16:22:27 +02:00
Karol Stasiak
8af2cb6da2 6502: Make zeropage registers more detectable by the optimizer 2019-06-29 00:08:12 +02:00
Karol Stasiak
bcb2e362b2 Restrict subroutine extraction to make exponential runtime less likely 2019-06-29 00:07:32 +02:00
Karol Stasiak
3e0dad4cb0 Few more optimizations 2019-06-28 23:19:58 +02:00
Karol Stasiak
e1b2b7f2c9 Let's hope this doesn't break anything 2019-06-28 21:45:12 +02:00
Karol Stasiak
13c23c1bd1 Java 11 compatibility 2019-06-28 17:54:08 +02:00
Karol Stasiak
0af9bc4696 Better error reporting in arithmetic tests 2019-06-28 17:53:42 +02:00
Karol Stasiak
39b07a8bae Fix init_rw_memory on Atari 2600 2019-06-28 16:44:41 +02:00
Karol Stasiak
674f8d1983 Allow initializing writable variables on cartridge targets 2019-06-28 16:28:49 +02:00
Karol Stasiak
3d68d4f990 mapValues is lazy what the fuck 2019-06-28 16:24:49 +02:00
Karol Stasiak
4d59edbe51 6502: Better error messages 2019-06-28 16:23:24 +02:00
Karol Stasiak
7d051eb5e0 Don't modify macro invocations 2019-06-27 00:50:21 +02:00
Karol Stasiak
efe69eb5a9 Fix performance regressions and some bugs 2019-06-27 00:18:05 +02:00
Karol Stasiak
261486b3cd Don't enable -fsubroutine-extraction when using -Os or -Of 2019-06-26 19:07:25 +02:00
Karol Stasiak
14d6cf4d5c Fix stack overflow 2019-06-26 19:06:45 +02:00
Karol Stasiak
51599c9615 Allow defining free zeropage bytes instead of pointers 2019-06-26 18:33:59 +02:00
Karol Stasiak
c580ba33ea Fix nested #ifs 2019-06-26 18:31:45 +02:00
Karol Stasiak
c9a65d5971 Added #define directive 2019-06-26 13:43:15 +02:00
Karol Stasiak
22cdd1c768 Z80: Fix stack variable optimizations when addresses of stack variables are taken (2) 2019-06-26 10:46:59 +02:00
Karol Stasiak
afa871abcf Z80: Fix stack variable optimizations when addresses of stack variables are taken 2019-06-26 02:11:53 +02:00
Karol Stasiak
a3b21c4810 8080: Use pointers instead of indexing when traversing an array in a loop 2019-06-26 01:56:32 +02:00
Karol Stasiak
8304650b3e 6502: Fix summing for-loops 2019-06-26 01:47:43 +02:00
Karol Stasiak
6cf746045f 8080/Z80: More optimizations 2019-06-26 01:47:03 +02:00
Karol Stasiak
507791bcaf Fix stack overflow 2019-06-26 01:46:31 +02:00
Karol Stasiak
f90d6afc43 8080: Fixed inlining of byte-sized variables into registers 2019-06-26 01:45:34 +02:00
Karol Stasiak
2282e56845 6502: Faster summing for-loops 2019-06-25 18:23:31 +02:00
Karol Stasiak
260cfd50c4 Fix putword optimization 2019-06-25 18:19:57 +02:00
Karol Stasiak
e394fe15c3 Add struct literals 2019-06-25 00:45:49 +02:00
Karol Stasiak
978d97cd7d Fix unused object detection 2019-06-25 00:26:52 +02:00
Karol Stasiak
d8defaad82 Fix and document for-each loops 2019-06-24 23:51:17 +02:00
Karol Stasiak
25c440f17d Add local arrays 2019-06-24 22:32:29 +02:00
Karol Stasiak
663e38c264 Optimizations: 
– optimize multiplication and division by constants
– optimize multiplication, division and shifts for size
 2019-06-24 15:20:39 +02:00
Karol Stasiak
8ea3957023 8080: optimize loads to HL 2019-06-24 15:18:44 +02:00
Karol Stasiak
15475b6886 Don't require -Os for code deduplication 2019-06-24 15:17:35 +02:00
Karol Stasiak
23b4b110a6 8080: optimize more pointless loads 2019-06-24 15:17:05 +02:00
Karol Stasiak
4dd470141a 6502: zero-extend the division result 2019-06-24 15:16:14 +02:00
Karol Stasiak
4654698891 8080: tail call optimization 2019-06-24 00:47:07 +02:00
Karol Stasiak
869211658a Division optimizations 2019-06-24 00:13:16 +02:00
Karol Stasiak
fbe20a240b 8080: Fix division 2019-06-24 00:13:02 +02:00
Karol Stasiak
0205520bf9 Allow taking addresses of stack variables 2019-06-23 22:53:42 +02:00
Karol Stasiak
f22b62e57f Z80: Fix stack variable inlining 2019-06-23 22:31:46 +02:00
Karol Stasiak
63c43c414a Various fixes related to the -> operator 2019-06-23 19:44:53 +02:00
Karol Stasiak
088b28989f Division by zero warnings 2019-06-23 19:44:34 +02:00
Karol Stasiak
f46466365b Compilation order should be decided by the import statements 2019-06-14 23:20:03 +02:00
Karol Stasiak
ba16021426 Allow using $$ instead of # in preprocessor directives 2019-06-14 15:33:17 +02:00
Karol Stasiak
ffff51dee9 6502: optimize variable pointers 2019-06-14 15:19:29 +02:00
Karol Stasiak
2a233930e8 8080: improve comparisons against constants 2019-06-14 15:19:13 +02:00
Karol Stasiak
51a6ec9d73 Preprocessor: add #use A=B and if(i,t,e) 2019-06-14 12:00:45 +02:00
Karol Stasiak
3852b2dbe9 More label file formats 2019-06-14 11:39:11 +02:00
Karol Stasiak
ecb366eafb Add the -i option 2019-06-14 11:28:26 +02:00
Karol Stasiak
50415714fa Detect the default include directiory when running the native executable 2019-06-13 00:16:45 +02:00
Karol Stasiak
dc13dbaa9a Code cleanup 2019-06-12 22:55:34 +02:00
Karol Stasiak
0f179f79aa Many big important things: 
– Add support for undocumented 8085 instructions
– Convert undocumented  8085 instructions to 8086
– Add new CPU types and categorize CPU types correctly
– Fix macro expansion in some situations
– Improve 8080 optimizations
– Improve documentation
– Other improvements
 2019-06-12 12:06:02 +02:00
Karol Stasiak
eaaa98a8e3 Add better configuration flag fillouts 2019-06-12 10:08:52 +02:00
Karol Stasiak
b15490c5bf Fix constant printing 2019-06-12 09:54:54 +02:00
Karol Stasiak
4ec2fc2f62 Make tests toggleable by platform 2019-06-12 02:58:33 +02:00
Karol Stasiak
3b3fb24284 8086: partially fix memory leak in unit tests 2019-06-12 02:56:44 +02:00
Karol Stasiak
a1b868e3df Optimize byte division by power of two 2019-06-06 13:35:26 +02:00
Karol Stasiak
e31737ad40 Unsigned division of word by byte 2019-06-06 13:06:30 +02:00
Karol Stasiak
2583f280a8 Unsigned byte division by non-constant 2019-06-06 01:17:34 +02:00
Karol Stasiak
010b44f23e Unsigned byte division by a constant 2019-06-05 18:36:39 +02:00
Karol Stasiak
9164e78a2d 6502: Fix comparison optimizations 2019-06-05 18:12:57 +02:00
Karol Stasiak
77b3628dde Z80: Analyse LD A,I and LD A,R correctly in the optimizer 2019-06-05 11:33:34 +02:00
Karol Stasiak
b3bb9bb063 Intel 8085 support 2019-05-31 17:27:38 +02:00
Karol Stasiak
1cb3b672b1 Add 8080-to-8086 translation 2019-05-31 17:03:35 +02:00
Karol Stasiak
b4a6c261de 8080: support raw bytes in assembly statements 2019-05-31 14:29:54 +02:00
Karol Stasiak
0f52efbe20 Minor fix to a debug log message 2019-05-31 14:29:20 +02:00
Karol Stasiak
e06d3bf081 8080: correct Intel disassembly for DI 2019-05-31 02:09:50 +02:00
Karol Stasiak
c747d198e6 6502: Fix optimization bug 2019-05-30 22:16:46 +02:00
Karol Stasiak
9b5134c7b9 6502: preserve line numbers in more optimizations 2019-05-29 14:09:55 +02:00
Karol Stasiak
d461046566 6502: use index registers less often 2019-05-29 14:09:41 +02:00
Karol Stasiak
d23f6e4248 6502: improve optimizations using undocumented instructions 2019-05-29 14:09:21 +02:00
Karol Stasiak
43686e0c33 6502: optimize signed comparisons against certain constants 2019-05-29 14:08:42 +02:00
Karol Stasiak
138dcfa19f 8080: implement signed byte comparisons for CPU's without the overflow flag 2019-05-29 14:07:57 +02:00
Karol Stasiak
0410cbea34 Preliminary GraalVM native-image support 2019-05-11 13:50:22 +02:00
Karol Stasiak
3d6e226f55 Update copyright dates 2019-05-11 01:15:51 +02:00
Karol Stasiak
62984fce9b 8080: optimize handling 2-byte parameters 2019-05-02 13:33:45 +02:00
Karol Stasiak
4eba80b735 Fix name clashes when passing parameters to functions 2019-05-02 13:24:21 +02:00
Karol Stasiak
1862fed70f The @struct array format; fix the @long format 2019-04-30 01:30:22 +02:00
Karol Stasiak
d9f88cdfad Const arrays 2019-04-30 00:41:42 +02:00
Karol Stasiak
00d190c3d8 8080: Optimization improvements 2019-04-18 16:24:57 +02:00
Karol Stasiak
546c4d0f44 Unified syntax for indexing 2019-04-18 16:24:46 +02:00
Karol Stasiak
85841c6395 Few more minor optimizations 2019-04-18 02:03:00 +02:00
Karol Stasiak
af84a214bb Z80: Optimization improvements 2019-04-17 23:11:35 +02:00
Karol Stasiak
4504556d3c Fix stack overflow 2019-04-17 23:04:46 +02:00
Karol Stasiak
e771b37db2 Remove diagnostic message 2019-04-17 19:17:55 +02:00
Karol Stasiak
0a36d83164 nullptr 2019-04-16 16:59:16 +02:00
Karol Stasiak
9ea04db566 Use the return variable directly if applicable 2019-04-16 16:34:17 +02:00
Karol Stasiak
668982cd5c LR35902: Use autoincrement operations 2019-04-16 12:10:31 +02:00
Karol Stasiak
629691dfb3 Fix stack variables on 8080 and LR35902 2019-04-16 12:09:14 +02:00
Karol Stasiak
d0f64f2cee Short syntax for small functions 2019-04-15 19:56:14 +02:00
Karol Stasiak
029e84b0f0 Unions, typed pointers, indirect field access via pointers 2019-04-15 19:45:26 +02:00
Karol Stasiak
2d0aa9724b Quick fix 2019-04-15 19:43:44 +02:00
Karol Stasiak
1ba4b57c1c Array elements can now be types other than byte 2019-04-15 01:57:18 +02:00
Karol Stasiak
d3e62c0065 Preliminary struct support 2019-04-15 01:30:47 +02:00
Karol Stasiak
4cd1db0e0f Allow putting pointer variables anywhere 2019-04-15 00:27:34 +02:00
Karol Stasiak
194f79f907 65816: Various fixes regarding (d,S),Y addressing mode 2019-04-15 00:21:25 +02:00
Karol Stasiak
69ccd993b2 6502: Functions shouldn't use index registers if not necessary 2019-03-18 21:54:26 +01:00
Karol Stasiak
c829c5eb37 Z80: Optimize 16-bit loads after 8-bit stores 2019-03-18 20:12:33 +01:00
Karol Stasiak
6f00cacc6d 6502: Optimize 16-bit multiplication by a constant 2019-03-18 20:01:40 +01:00
Karol Stasiak
b8547ed154 Aliases should access subfields 2019-03-18 15:14:13 +01:00
Karol Stasiak
6979cbfe39 Generate checksums for Game Boy 2019-01-11 15:17:48 +01:00
Karol Stasiak
8211b3cf49 8080: better compiler error messages 2019-01-11 15:17:01 +01:00
Karol Stasiak
f71b6a0b04 8080: parse "DEC BC" correctly 2019-01-11 15:16:28 +01:00
Karol Stasiak
56c806ffa3 Optimize the optimizer by trying less likely patterns first 2019-01-08 23:47:02 +01:00
Karol Stasiak
f23e71afa2 6502: Few more optimizations 2019-01-08 23:46:31 +01:00
Karol Stasiak
42ecc574f3 6502: Fix local variable read optimization 2019-01-08 23:46:08 +01:00
Karol Stasiak
7d596f3ed6 Minor improvements 2019-01-05 01:04:08 +01:00
Karol Stasiak
19c0668002 6502: Better passing of register parameters 2019-01-04 12:59:43 +01:00
Karol Stasiak
25ca2cd6b8 6502: detect zeropage pointers more aggressively 2019-01-04 11:55:35 +01:00
Karol Stasiak
bf0da19ab9 Track source position of else if 2019-01-04 11:54:46 +01:00
Karol Stasiak
b1374bb914 6502: Optimization fixes 2019-01-04 11:53:25 +01:00
Karol Stasiak
b400c884e0 Add memory barriers 2018-12-31 13:20:32 +01:00
Karol Stasiak
fb42e77e6e 6502: Two fixes: 
– fix writing constants to volatile variables
– fix optimizing variables to registers yet again
 2018-12-31 13:19:13 +01:00
Karol Stasiak
fc56c11b31 Hint typoed identifiers 2018-12-30 18:55:03 +01:00
Karol Stasiak
b068663729 PET: Add oldpet and origpet encodings 2018-12-30 18:54:45 +01:00
Karol Stasiak
6c8ee34a2e Z80: Fix jump following 2018-12-30 18:53:26 +01:00