34 lines
1.7 KiB
Plaintext
34 lines
1.7 KiB
Plaintext
lib6502-jit implements (nearly) the same API as Ian Piumarta's lib6502
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(http://www.piumarta.com/software/lib6502/) and includes virtually all of
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lib6502's code and documentation with only minor modifications; the lib6502
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emulation code is used to implement the interpreted and hybrid emulation modes
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in lib6502-jit. The contents of the examples and man directories are almost
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verbatim copies of those in lib6502. Thanks to Ian for making lib6502
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available. Please do not send bug reports regarding lib6502-jit to Ian!
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This distribution itself doesn't contain any LLVM code, but obviously without
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the LLVM project lib6502-jit could not exist.
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valgrind.h is taken from Valgrind (http://valgrind.org/).
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build-aux/tap-driver.sh is part of GNU Automake and was taken from
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https://raw.githubusercontent.com/kergoth/automake/master/lib/tap-driver.sh.
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m4/boost.m4 (used to autoconfigure the build against the Boost libraries) is
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taken from https://github.com/tsuna/boost.m4.
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While I'd be lying if I said I enjoyed working with Autotools, I am grateful
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for the work people have put in to make it possible to build packages portably
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on a range of different platforms.
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The technique (but not the code) used to translate a JITted function's machine
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code into assembly in Function::dump_machine_code() is taken from the libjit
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(https://www.gnu.org/software/libjit/) dump_object_code() function.
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The algorithm used to implement ADC/SDC in decimal mode is taken from
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http://www.6502.org/tutorials/decimal_mode.html. The test program on the same
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page was used to validate the implementation.
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Klaus Dormann's "6502 functional test" and "65C02 extended opcodes test" were
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used to validate the behaviour of the emulation.
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