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71 lines
2.8 KiB
Plaintext
71 lines
2.8 KiB
Plaintext
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Ophis 2.2: 28 Jul 2024
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- Codebase updated to Python 3: new minimum version is 3.6
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- New delivery option: pip and pipx (ophis-asm project). Older
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ad-hoc standalone script delivery options have been retired.
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- All instructions with Absolute modes may force them with a .W
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suffix to the instruction
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- New example code for Atari 2600, Atari 800, and Apple II
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- Bugfix: charmap now applies to every string in a data directive
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- Bugfix: ASR instructions on the 4502 now properly emit Zero Page
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addressing modes when possible
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- Bugfix: original Atari 2600 example program now runs properly on a
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Harmony cartridge
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Ophis 2.1: 24 May 2014
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- Listfile support: passing "-l <filename>" will produce a human-
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readable version of the generated binary, annotated with addresses
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and disassemblies where appropriate
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- Mapfile support: passing "-m <filename>" will produce a map from
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raw addresses in the binary to locations in the code where that
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address was defined
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- Success or failure is now reflected in the process exit code
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- Additional platform headers for the VIC-20
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- Platform headers for interacting with C64 BASIC's floating-point
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libraries
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- Support for the 4502 chip
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- Bugfix: BBXn instructions on the 6502 are now correctly emitted
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- Bugfix: The startup stub code for the C64 now properly handles
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cases where the BASIC program is overwritten during
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program run
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Ophis 2.0: 16 Jun 2012
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- Codebase updated: new minimum version is Python 2.3
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- New delivery option: Windows EXE with installer
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- The .include directive now computes relative paths relative to the
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source file rather than the CWD
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- The .incbin directive now accepts start/length arguments to include
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only parts of a binary file
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- New directives: .advance, .outfile
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- Directives deprecated in 1.0 release removed: .address, .ascii,
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.code, .link, and .segment. These are replicated by .byte, .word,
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.text, and .org/.include pairs.
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- The file "-" may be passed as input or output to represent stdin
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and stdout
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- Out-of-bounds branches will be translated into legal code with a
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warning
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- Instructions with both Zero Page and Absolute modes may force
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Absolute by appending ".W" to the instruction
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- Sample code, platform headers, and test suite
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Ophis 1.0: 3 Oct 2007
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- New directives: .charmap, .charmapbin
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- Support for the 65c02 chip
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Ophis 0.7.2: 17 Jul 2003
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- Bugfix: indexed LSR instructions parsed incorrectly
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Ophis 0.7.1: 10 Jul 2003
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- Bugfix: Macros without arguments now work properly
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Ophis 0.7: 1 Jan 2003
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- Codebase updated: new minimum version is 2.1
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- New directives: .macro, .macend, .invoke, .require
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- Standalone script instead of invoking Ophis.Main directly
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- Circularity check for labels
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Ophis 0.2: 28 Nov 2002
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- New directives: .wordbe, .dwordbe, .scope, .scend
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Ophis 0.1: 15 Aug 2002
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- First public release
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