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millfork/CHANGELOG.md

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2018-01-30 16:43:18 +00:00
# Change log
2018-01-30 16:38:32 +00:00
2019-09-24 23:20:12 +00:00
## Current version
2019-09-30 22:52:21 +00:00
* Preliminary support for the CPU from ZX Spectrum Next.
2019-09-24 23:20:12 +00:00
* Added the ability to define custom segment layouts.
2019-10-22 00:14:14 +00:00
* Hardware definitions for Atari 8-bit (thanks to @FreddyOffenga)
* Fixed BLL headers for Atari Lynx (#7).
* Some improvements for Commander X16 (with help from @Ambez05)
* Specified consistent behaviour of `for` loops (#8)
2019-09-24 23:20:12 +00:00
* Fixed bugs with constant booleans.
2019-10-22 00:14:14 +00:00
* Fixed bugs with arithmetic promotions of signed values.
* Fixed a bug with unused global variable elimination (#10).
* Fixed a bug with variable overlapping (#11).
2019-09-24 23:20:12 +00:00
2019-10-22 11:54:30 +00:00
* 8080: Fixed and optimized 16-bit comparisons.
2019-09-24 23:20:12 +00:00
* 8080: Optimized some library functions.
2019-10-22 16:22:25 +00:00
* Optimized certain byte comparisons and pointer indexing.
2019-09-30 22:52:21 +00:00
2019-10-22 14:35:17 +00:00
* 6502: Optimized certain boolean conversions and some small array accesses.
2019-09-30 22:52:21 +00:00
* Unused built-in functions are now removed more accurately.
2019-09-24 23:20:12 +00:00
* Updated to Scala 2.12.10.
2019-09-30 22:52:21 +00:00
* Added another NES example (thanks to @Garydos).
2019-09-21 21:05:13 +00:00
## 0.3.8
2019-08-15 22:42:11 +00:00
* `sizeof` now supports arrays.
2019-09-14 00:40:03 +00:00
* Added `-R` option for specifying extra commandline parameters for emulators.
2019-09-15 17:47:19 +00:00
* Added full 16-bit multiplication and unsigned division.
2019-09-04 19:17:06 +00:00
2019-09-30 22:52:21 +00:00
* Added preliminary support for Atari Lynx (thanks to @Nullious).
2019-09-19 23:44:18 +00:00
2019-08-16 16:00:04 +00:00
* Added preliminary support for EasyFlash.
* Added preliminary support for Commander X16.
2019-08-16 16:00:04 +00:00
* Allowed defining custom output padding byte value.
* Allowed passing non-decimal numbers to the `-D` option.
2019-09-03 23:14:14 +00:00
* Added the `encconv` module.
* Added `nullchar` constant as the null terminator for strings and `NULLCHAR` feature to define its value.
2019-09-20 17:41:53 +00:00
* Added `vectrex`, `msx_br`, `koi7n2`, `iso15`, `zx80` and `zx81` text encodings.
* `reset_joy` is now defined to always reset all joypad state variables.
* Fixed arithmetic promotion bugs for signed values.
2019-09-17 23:04:31 +00:00
* Fixed parsing of `zp_bytes` in platform definitions.
2019-08-16 16:00:04 +00:00
* Fixed several serious bugs related to cartridge-based targets.
2019-09-16 19:31:12 +00:00
* 6502: Few minor optimization improvements.
* 6502: Inlining improvements.
2019-08-05 20:26:27 +00:00
## 0.3.6
2019-06-30 23:24:55 +00:00
* **Breaking change!**
The `petscii` encoding now uses the $C0-$DE range for uppercase characters instead of $60-$7E.
This matches both the CC65 behaviour and the return values from `readkey()`.
2019-07-30 20:51:33 +00:00
* Added support for the Japanese version of Commodore 64.
* Added `segment` block statement.
2019-07-15 00:06:23 +00:00
* Added goto.
* Added `bool` type.
2019-07-26 22:58:10 +00:00
* Added function pointers so far quite limited.
* Added arrays of elements of size greater than byte.
2019-07-30 20:51:33 +00:00
* Added `.length` for large arrays and `.lastindex` for numerically indexed arrays.
2019-07-30 22:20:18 +00:00
* New text encodings: `petjp`, `petscrjp`, `msx_intl`, `msx_jp`, `msx_ru`.
2019-07-09 20:40:26 +00:00
* Improved passing of register parameters to assembly functions.
2019-07-08 17:24:27 +00:00
* Enabled declaring multiple variables in one line.
* Fixed detection of duplicate names in declarations.
* 6502: Fixed expressions of form `p[i] <<= 1`.
2019-08-03 18:46:43 +00:00
* 6502: Fixed variable bit shifting.
* 6502: Fixed word division by a divisor larger than 127.
* 6502: Fixed byte multiplication.
2019-08-03 18:46:43 +00:00
* 8080/Z80: Fixed byte division.
* Fixed many optimization bugs:
* incorrect removal of unused local variables;
2019-08-04 11:40:49 +00:00
2019-08-04 15:16:01 +00:00
* incorrect removal of certain type casts;
2019-08-04 11:40:49 +00:00
* broken parameter passing to tail calls;
2019-08-03 18:46:43 +00:00
* 6502: miscompilation when using the zeropage pseudoregister;
* 6502: stack overflow when inlining local variables into registers;
2019-08-04 11:42:00 +00:00
* 6502: not setting the high byte to 0 when optimizing word multiplication by 0
2019-08-03 18:46:43 +00:00
* 8080/Z80: compiler crash when compiling conditions;
2019-08-04 10:37:54 +00:00
* 8080/Z80: miscompilation of code after `if` statements;
2019-08-03 18:46:43 +00:00
* 8080/Z80: miscompilation near multiplication;
* Z80: miscompilation when using stack variables.
2019-07-09 20:40:26 +00:00
* Other fixes and improvements.
2019-06-30 22:33:28 +00:00
## 0.3.4
2018-12-28 18:24:56 +00:00
2019-03-18 22:15:28 +00:00
* Preliminary experimental Game Boy support.
2019-06-05 11:31:43 +00:00
* Preliminary MSX support.
2019-05-31 15:03:35 +00:00
* Super experimental and very incomplete Intel 8086 support via 8080-to-8086 translation.
* Support for Intel 8085, together with illegal instructions.
2019-05-31 15:27:38 +00:00
2019-06-14 09:39:11 +00:00
* More label file formats.
2018-12-31 12:20:32 +00:00
* Added `memory_barrier` macro.
2019-06-26 13:51:09 +00:00
* Added `keyboard` module.
2019-06-25 16:26:48 +00:00
2018-12-30 18:01:38 +00:00
* Added `random` module.
2019-06-28 14:43:50 +00:00
* Added `init_rw_memory` module for cartridge targets.
* **Breaking change!** Preinitialized writable arrays on cartridge targets
can no longer be read before an explicit call to `init_rw_memory`, either add the call or make the arrays const.
2018-12-30 18:01:38 +00:00
* Added `ensure_mixedcase` function and `oldpet` and `origpet` text encodings.
2018-12-29 19:16:05 +00:00
* Added `MILLFORK_VERSION` preprocessor parameter.
* Added structs and unions.
2019-04-14 23:58:51 +00:00
2019-06-05 23:17:34 +00:00
* Added unsigned byte division and modulo.
2019-06-05 16:36:39 +00:00
2019-04-14 23:58:51 +00:00
* Pointers can now be allocated anywhere.
* Pointers can now be typed.
2019-04-16 14:56:23 +00:00
* Added `nullptr`.
* You can now take a pointer to a stack variable.
* Arrays can now have elements of types other than `byte` (still limited in size to 1 byte though) and be built out of struct literals.
2019-04-29 20:57:40 +00:00
* Arrays can now be constant.
2019-04-14 23:58:51 +00:00
2019-06-24 20:32:29 +00:00
* Arrays can now be local.
2018-12-30 18:01:38 +00:00
* Added hint for identifiers with typos.
2019-03-18 22:15:28 +00:00
* Aliases now also support subfields.
2019-04-15 17:56:14 +00:00
* Short functions can be now defined using expression syntax.
* On most Commodore targets printing double quote characters doesn't toggle the quotation mode anymore.
2019-06-25 16:26:48 +00:00
2019-06-26 11:40:33 +00:00
* **Potentially breaking change!** Commodore 128 target no longer defines `CBM_64` feature.
2019-06-28 14:43:50 +00:00
* Fixed the NES examples and the `nes_joy` module.
* 6502 targets can now define free zeropage bytes, not only pointers.
2018-12-29 19:16:05 +00:00
* 6502: Fixed optimizations using index registers.
2019-06-05 16:12:57 +00:00
* 6502: Fixed optimizations of comparisons.
2019-06-25 16:26:48 +00:00
* 6502: Fixed optimizations near `for` loops over in-place lists.
* Preprocessor: Added `#use A=B` directive
* Preprocessor: Added `if` function
2019-06-26 11:43:15 +00:00
* Preprocessor: Added `#define` directive.
* Fixed volatile-related bugs.
2018-12-30 18:01:38 +00:00
* Fixed optimizations removing jumps to jumps.
2018-12-29 19:16:05 +00:00
* Fixed optimizations removing pointless stores to local variables.
* Fixed name clashes when passing parameters to functions and macros.
2018-12-29 19:16:05 +00:00
* Fixed `#use` not accessing all preprocessor parameters.
2019-04-16 14:56:23 +00:00
* Fixed `#pragma` not respecting `#if`.
2019-06-26 16:31:45 +00:00
* Fixed nested `#if`s.
* Fixed `@long` and `@long_be` array filters.
2019-06-24 21:51:17 +00:00
* Fixed for-each loops with non-constant arrays.
* 8080 and LR35902: Fixed inlining of byte-sized variables into registers.
2019-04-16 14:56:23 +00:00
* 8080 and LR35902: fixed large stack variables.
2018-12-29 19:16:05 +00:00
* Other bug fixes.
2018-12-29 23:52:40 +00:00
* Optimization improvements.
2018-12-28 18:14:30 +00:00
## 0.3.2
2018-07-01 17:07:12 +00:00
2018-07-27 17:15:57 +00:00
* Almost complete support for the Zilog Z80, Intel 8080 and Sharp LR35902 microprocessors.
2018-12-19 21:21:51 +00:00
* A very incomplete support for NEC PC-88, ZX Spectrum, CP/M and Amstrad CPC.
2018-07-06 23:11:53 +00:00
* Unified the syntax of commandline switches.
2018-12-24 01:38:28 +00:00
* Automatic detection of the standard include path.
2018-07-11 23:23:38 +00:00
* Added aliases.
* Added enumeration types.
2018-12-19 18:04:19 +00:00
* Added preprocessor.
* Added `for` loops over enum types and in-place lists
2018-10-04 19:33:10 +00:00
* Added `align` keyword for choosing data and code alignment.
2018-12-14 21:51:09 +00:00
* Added original line numbers in assembler output.
2018-12-16 20:07:42 +00:00
* Added `sizeof` operator.
* Added preliminary support for `volatile` keyword.
2018-12-14 21:51:09 +00:00
* Added multiplication of a 16-bit number by an unsigned 8-bit number.
2018-12-16 20:07:42 +00:00
* Added more warnings.
2018-07-06 22:58:44 +00:00
* Automatic selection of text encoding based on target platform.
* Text literals can be now used as expressions of type `pointer`.
* Extra `z` at the name of the encoding means that the string is zero-terminated.
2018-12-21 21:35:16 +00:00
* **Potentially breaking change!** No longer allowed to define things with names that are keywords or builtins.
* **Potentially breaking change!** Curly braces in text literals are now used for escape sequences.
2018-12-19 18:04:19 +00:00
* **Potentially breaking change!** Changed the `c64_basic` module.
2018-07-06 23:11:53 +00:00
* **Potentially breaking change!** `scr` now refers to the default screencodes as defined for the platform.
Code that uses both a custom platform definition and the `scr` encoding needs attention
(either change `scr` to `petscr` or add `screen_encoding=petscr` in the platform definition file).
* **Potentially breaking change!** Platform definitions now need appropriate feature definitions.
Code that uses a custom platform definitions will cause extra warnings until fixed.
2018-12-14 21:51:09 +00:00
* Software variable stack for 6502.
* Other optimizations and fixes for stack variables.
2018-07-06 23:11:53 +00:00
2018-08-06 17:29:09 +00:00
* Various code deduplication optimizations.
2018-07-06 23:11:53 +00:00
* Fixed emitting constant decimal expressions.
2018-07-24 22:04:00 +00:00
* Fixed decimal subtraction.
2018-08-03 14:21:02 +00:00
* Fixed signed comparison.
2018-12-14 21:51:09 +00:00
* Fixed `for`...`downto` loops.
* Fixed invalid optimization of loads before `BEQ` and similar
* Fixed miscompiled `nonet` calls.
2018-07-06 23:11:53 +00:00
* Parser performance improvement.
* Standard libraries improvements.
2018-07-06 23:11:53 +00:00
* Other improvements.
2018-06-25 20:46:52 +00:00
## 0.3.0
2018-03-25 14:19:37 +00:00
2018-06-18 22:08:18 +00:00
* Finally faster than C.
2018-06-23 22:31:10 +00:00
* Licenced the standard library more permissively.
2018-06-08 22:18:21 +00:00
* Preliminary Atari 2600, BBC Micro and LUnix support.
2018-04-02 22:21:26 +00:00
2018-06-18 22:00:48 +00:00
* Added array initialization syntax with `for`.
2018-04-02 17:47:11 +00:00
* Added multiple new text codecs.
2018-03-25 22:01:29 +00:00
2018-04-02 19:06:18 +00:00
* Added character literals.
2018-06-04 14:24:18 +00:00
* Added 24-bit `farword` type.
2018-06-18 00:52:14 +00:00
* Special array layouts, e.g. `@word`.
2018-06-04 14:24:18 +00:00
* Fixed invalid offsets for branching instructions.
* Fixed incorrectly overlapping local variables.
* Fixed broken `downto` loops.
2018-06-18 22:00:48 +00:00
* Fixed broken comparisons between variables of different sizes.
2018-06-04 14:24:18 +00:00
* Fixed several other bugs.
2018-03-25 14:19:37 +00:00
2018-06-23 22:31:10 +00:00
* Tons of optimizer improvements.
* Other improvements.
2018-03-19 21:04:14 +00:00
## 0.2.2
2018-03-18 22:58:42 +00:00
* Allowed adding constant words to variable bytes without the zeropage pseudoregister.
* `-fzp-register` is now enabled by default, as the documentation has already been saying.
* Allowed more kinds of constants within variable and array initializers.
2018-03-18 22:58:42 +00:00
* Fixed several bugs.
* Other improvements.
2018-03-17 17:21:50 +00:00
## 0.2
2018-01-30 16:38:32 +00:00
* **Breaking change!** Renamed `inline` to `macro`.
* **Breaking change!** Added support for memory segments. Changed the platform definition file syntax.
* Added preliminary support for 65CE02, HuC6280 and 65816 processors.
2018-03-16 21:15:07 +00:00
* Added support for Famicom/NES and C64 with SuperCPU.
2018-02-26 16:49:55 +00:00
* Added new `-O1` optimization preset; old `-O1` became `-O2`, old `-O2` became `-O3` and so on.
2018-03-16 21:15:07 +00:00
* Added command line options for controlling the size-speed trade-offs.
* Added support for parameters for macros written in Millfork.
2018-02-26 00:20:50 +00:00
* Enabled calling macros with index expression parameters.
2018-03-10 21:05:10 +00:00
* Enabled calling macros from assembly.
* Added optimizer hints: `inline`, `noinline`, `register`.
* Added command line flags `--size`, `--fast`, `--blast-processing`.
* Removed command line flag `--detailed-flow`.
Detailed flow analysis was slow, broken, hard to maintain, and didn't even help that much.
2018-03-16 21:15:07 +00:00
* Added `*'=`, `nonet`, `hi` and `lo` operators.
2018-03-06 15:59:18 +00:00
* Added support for zeropage pseudoregisters, allowing for some operators work with more types of operands.
2018-01-30 16:38:32 +00:00
* Added return dispatch statements.
2018-03-03 20:34:12 +00:00
* Added `break` and `continue` statements.
2018-03-06 15:59:18 +00:00
* Allowed the `else if` combination (i.e. the `else` branch doesn't have to be in braces if it's just a single `if`-`else` statement).
* Added octal and quaternary literals.
2018-03-10 21:05:10 +00:00
* Fixed several allocation bugs.
2018-01-30 16:38:32 +00:00
* Fixed several optimization bugs.
2018-03-16 21:15:07 +00:00
* Fixed several C64 and C16 library bugs.
2018-02-26 00:20:50 +00:00
* Fixed several other bugs.
* Other improvements.
2018-01-30 16:38:32 +00:00
## 0.1
* Initial numbered version.