// zasm

h4	Version history

pre	1.0.0  1996: First version for private use. Mac OS 7.0. No public release.
	2.0.0  2000: Total rework with new libraries.
	2.0.7  2002: started port of MacOS classic version to unix
	3.0.0  2002: MacOS X command line version released
	3.0.2        .tap and .sna support implemented
	3.0.13 2005: #code statement now also sets the physical address for intel hex files
	3.0.14       #target, #end and #code now optional. default target = rom
	3.0.15       added illegals with XL,XH,YL,YH to: cp, or, ld, and, xor, sub, sbc, adc
	4.0.0  2014: rewrite with more C++ inside
	4.0.0  2014: .tap .sna .z80 .o .p .ace
	4.0.0  2014: c compiler support
	4.0.0  2014: rework of segment handling
	4.0.0  2014: #local #endlocal
	4.0.0  2014: #charset
	4.0.0  2014: #assert and directive '!' for self test
	4.0.0  2014: 8080 and HD64180 support
	4.0.0  2014: list accumulated cpu cycles
	4.0.1  2014: write Motorola S-Record files
	4.0.2  2015: added support for native 8080 assembler source
	4.0.3  2015: added more support for alternate/various/weird syntax
	4.0.4  2015: added macro and rept, .phase and .dephase
	4.0.5  2015: #define, test suite, --flatops, Linux version
	4.0.7  2015: "extended arguments" in macros with '<' … '>'
	4.0.8  2015: fixed bug in .ACE file export
	4.0.9  2015: fixed bug in .81 export, secure cgi mode
	4.0.10 2015: bug fixes, added Z80 instructions in 8080 assembler syntax
	4.0.11 2015: Made Linux happy again
	4.0.16 2016: FreeBSD version
	4.0.18 2016: illegals: allow 'ixh' … 'iyl' for index register halfes
	4.0.19 2016: included TextMate bundle, added #cpath to set c-compiler path in source
	4.0.20 2017: minor rework of c-compiler handling, bug fixes
	4.0.21 2017: allow multiple opcodes per line after '\'
	4.0.24 2017: define NAME_size and NAME_end labels for all segments
	4.1.0  2017: included Einar Saukas' ZX7 "optimal" LZ77 compressor
	4.1.2  2017: fixed problems with compressed size validity
	4.1.3  2017: new function sin() and cos() to easily build wave tables
	4.1.4  2017: added pseudo instructions DUP and EDUP as an alias for REPT and ENDM
	4.1.5  2017: reworked the regression test framework. support for '#!' in line 1 of the source file
	4.2.0  2018: new #target TZX: directly write to .tzx tape files
	4.2.1  2018: Bug fixes. This was to be expected.
	4.2.2  2018: Fixed bug where the binary file was appended to the hex or s19 file
	4.2.3  2018: Fixed bug where error messages were garbled
	4.2.4  2019: Fixed bug in .rept/.endm or .dup/.edup sanity check
	4.2.6  2020: added text replacement in macros for values between '{' and '}'.
	4.2.7  2020: hexfile for #target BIN now uses cpu addresses for ram loaders
	4.2.8  2020: cmd line option "--date" to set reproducible date and time
	4.2.9  2020: fixed cpu cycle calculation for Z80180
	4.3.0  2020: new option --convert8080
	4.3.1  2020: fixed casefolding bug in macro argument evaluation
	4.3.4  2020: added &1234 syntax for hex numbers
	4.3.5  2020: fixed bug with trailing 0x00/0xFF bytes not written to .hex and .s19 file
	4.3.6  2020: 'org' now can have a 2nd arg for the fill byte. fixed Z180 cycle counting, shebang.
	4.4.0  2020: built-in testcode runner for automated tests