31-Oct-2012

• NEW: Updated web page a little
• NEW: Prelimitary support for Z80 CPU and ZX Spectrum platform
• NEW: New conZ80 tool and platform support

19-Mar-2011

• NEW: 6502 Simulator (sim6502) platform added

18-Mar-2011

• NEW: default procedure and macro arguments
• NEW: tail call optimization
• NEW: platform correctly parsed (there is no default Atari platform)
• NEW: Automated tests
• NEW: Padded arrays
• NEW: Strings may contain expressions, not only variable names
• NEW: Array assignments now handled at code generation level (making them subject to rule definitions)
• NEW: autoexp.dat for Visual Studio 2010 (easier debugging of Atalan)
• FIX: Error in values optimizer preventing some optimizations
• FIX: Local variables in macros

19-Feb-2011

• NEW: Support for non-zero based arrays
• NEW: improved support for adr
• OPT: Add instruction merging
• OPT: Null jump elimination
• DOC: added some basic info on adr
• NES: Support for new procedure calls

6-Feb-2011

• DOC: howto
• NEW: con6502 platform

30-Jan-2011

• NEW: Basic support for C64 platform
• OPT: Procedure argument in registers
• NEW: Support separate procedure definition & declaration
• NEW: -o option
• NEW: 'in sequence' variables
• NEW: @var in procedure header declaration marks variables used by the procedure
• NEW: Report error when assigning a value to const, type, or in register
• NEW: Report error on duplicit declaration
• NEW: Call procedures and macros with scoped name (pmg.init)

• NEW: Scope type
• NEW: Array of array (massive rewriting of rules matching)
• NEW: Slice addresses
• Atari: PMG support, modified Stars.atl to use new PMG, new PMG.atl example

4-Dec-2010

• NEW: Support for bool in conditions (built in bool type, custom definable bool types)

3-Dec-2010

• NEW: -P option may be used to define target platform
• NEW: Compiler command is configured in processor file using rule
• NEW: atari.asm moved to m6502.asm (it will be shared by multiple platforms)
• NEW: Preliminary support for Oric Atmos platform
• OPT: when comparing variable that has only two possible value and one of them is 0, always compare to zero

30-Nov-2010

• NEW: bitand, bitor, bitxor, bitnot operators
• NEW: Signed integers assignment, add, sub, print
• NEW: Initializing array or slice of array with constant
• NEW: Assigning array to position at array (p(3) = x)
• NEW: print & format is now implemented as macro, not instruction
• OPT: Check phase (optimize values before translation)
• OPT: Reuse variables in independent functions
• OPT: Variable merge (let a,5 let x,a dead a => let x,5)
• OPT: Replace printing of constant values by printing of strings
• OPT: Skip jumps ( bne _l1 jmp _l2 _l2@ => beq _l2)
• OPT: Jump foldng (goto L1 L1@ goto L2@ => goto L2)
• OPT: Dead code elimination

3-Oct-2010

• OPT: Value optimization can elimitate some variable stores replacing them by more complex addressing modes
• NEW: Support NOT
• NEW: RETURN allows returning from procedure including return values specifications
• Atari: all keyboard scan codes
• FIX: AND,OR in UNTIL
• FIX: Error when printing apostrophe
• FIX: Support initialized arrays at specified address

28-Sep-2010

• improved common subexpression optimisation
• detection and reporting of interprocedural goto and goto to undefined label
• square root (SQRT)

15-Sep-2010

• FOR now supports STEP
• FILE may be used as array reference (set'font file "baloon.fnt")
• variable A may be declared as alias of variable B usign A@B syntax (very usefull for system procedures arguments)
• data-flow analysis in live value analysis
• commutative instructions in backend are translated using switched order if necesary

6-Sep-2010

• Raster Music Tracker module
• unused procedure detection

3-Sep-2010

• module system (Use keyword)
• very basic version of structures
• many bugs fixed
• projects page
• Little Fifteen game by Jakub Husak included (3 games developed in Atalan now!)

24-Aug-2010

• 16 bit multiplication
• inserting file/line references to output
• support for colorized output
• let the assembler generate .lst file too

23-Aug-2010

• rewritten lexer (fixes some parsing errors)

21-Aug-2010

• var.min, var.max built-in associated variables
• relational operators chains (10 < x < 30)

16-Aug-2010

• first version of type inferencing
• improved error reporting (displays text of line with error)
• comments with lines generated into .asm output
• static array bounds checking
• compiler can detect and report as error types not implemented by backend
• unused labels are no longer generated into .asm source code
• improved block parsing
• updated to Visual Studio 10
• fix: logical operators
• fix: exit label after loop was not skipped by optimizer when spilling at the end of loop

07-Aug-2010

• for loops now support variable ranges (for i:s-10..s+10 etc.)
• support for enums in array constants (also introduced type matching)
• support for byte multiplication and division
• new modulus operator MOD
• fixed problem with UNIX style line separators
• miscelaneous other fixes
• doc: reference now has index
• doc: new loop example demonstrates differend kinds of loops

05-Aug-2010

• support for interrupts (DLI and VBI)
• assigning addresses to variables
• string may be assigned to array element (printing into string)

02-Aug-2010

• procedures can return values and be called from expressions
• multiple return values from procedures
• local scope in FOR, PROC
• fixed identifier scope for arrays
• improved TETRIS example

20-Jul-2010

• 2-dimensional arrays
• array initialization
• n TIMES i initializator
• TETRIS example
• procedure arguments

28-Apr-2010

• FOR i WHERE cond loops
• fixed procedure calls
• GOTO variable