27 lines
1.4 KiB
Plaintext
27 lines
1.4 KiB
Plaintext
All right, I couldn't resist to port the C version back to DOS. It was
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tricky, and I had to fight again all the limitations and bullshit MS-DOS
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brings. For porting, I used Borland C in version 3.1 . Older versions
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might work also, but you will probably have to take out a lot of code
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generator modules if your version of Turbo/Borland-C does not offer
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overlays. Porting to compilers from other manufacturers is probably not
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impossible, but surely more effort than buying a used copy of BC3.1...
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Don't bother with the dozens of warnings issued by the compiler concerning
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unused parameters: Things have to be like that since functions are called
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via pointers and some functions need the parameters and some not. There
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must be a switch somewhere to silence the compiler..
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Copy 'Makefile.dos' to 'Makefile' and move the 'makedef.dos' (I hate this
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8+3 limit!) to 'Makefile.def'. Compiling and test run should then work
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as usual. Assure that you have at least 600 Kbytes of free DOS memory
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or otherwise the larger tests might fail! For the DOS platform, the
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CKMALLOC symbol is defined to automatically check for out-of-memory
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conditions. The 'wrapped' functions are malloc(), realloc(), and strdup().
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There must be a function missing, since AS still occasionally crashes when
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he runs out of memory....
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Compiling for DOS protected mode is also possible. Use the 'makedef.dpmi'
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as 'Makefile.def'. I tested this with Borland-C 4.5 and the Powerpack for
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BC 4.X .
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