87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
// JoeyLib platform, CPU, endian, and capability defines.
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//
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// Exactly one JOEYLIB_PLATFORM_* must be defined per build. The build
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// system normally sets this via -D; if absent, the header attempts to
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// auto-detect from compiler-predefined macros.
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#ifndef JOEYLIB_PLATFORM_H
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#define JOEYLIB_PLATFORM_H
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// ----- Auto-detect platform from compiler macros if not preset -----
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#if !defined(JOEYLIB_PLATFORM_IIGS) && \
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!defined(JOEYLIB_PLATFORM_AMIGA) && \
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!defined(JOEYLIB_PLATFORM_ATARIST) && \
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!defined(JOEYLIB_PLATFORM_DOS)
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#if defined(__DJGPP__) || defined(__MSDOS__)
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#define JOEYLIB_PLATFORM_DOS
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#elif defined(__amigaos__) || defined(AMIGA) || defined(__amigaos4__)
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#define JOEYLIB_PLATFORM_AMIGA
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#elif defined(__atarist__) || defined(__MINT__) || defined(__TOS__)
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#define JOEYLIB_PLATFORM_ATARIST
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#elif defined(__ORCAC__) || defined(__APPLE2GS__) || defined(__GNO__)
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#define JOEYLIB_PLATFORM_IIGS
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#else
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#error "JoeyLib: unknown platform; define JOEYLIB_PLATFORM_<TARGET> explicitly via -D"
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#endif
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#endif
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// ----- Validate exactly one platform is defined -----
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#if (defined(JOEYLIB_PLATFORM_IIGS) + \
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defined(JOEYLIB_PLATFORM_AMIGA) + \
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defined(JOEYLIB_PLATFORM_ATARIST) + \
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defined(JOEYLIB_PLATFORM_DOS)) != 1
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#error "JoeyLib: exactly one JOEYLIB_PLATFORM_* must be defined"
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#endif
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// ----- Derived CPU markers -----
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#if defined(JOEYLIB_PLATFORM_IIGS)
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#define JOEYLIB_CPU_65816
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#define JOEYLIB_ENDIAN_LITTLE
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#define JOEYLIB_NATIVE_CHUNKY
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#define JOEYLIB_PLATFORM_NAME "Apple IIgs"
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#elif defined(JOEYLIB_PLATFORM_AMIGA)
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#define JOEYLIB_CPU_68000
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#define JOEYLIB_ENDIAN_BIG
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#define JOEYLIB_NATIVE_PLANAR
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#define JOEYLIB_HAS_BLITTER
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#define JOEYLIB_HAS_COPPER
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#define JOEYLIB_PLATFORM_NAME "Commodore Amiga"
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#elif defined(JOEYLIB_PLATFORM_ATARIST)
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#define JOEYLIB_CPU_68000
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#define JOEYLIB_ENDIAN_BIG
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#define JOEYLIB_NATIVE_PLANAR
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#define JOEYLIB_PLATFORM_NAME "Atari ST"
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#elif defined(JOEYLIB_PLATFORM_DOS)
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#define JOEYLIB_CPU_X86
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#define JOEYLIB_ENDIAN_LITTLE
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#define JOEYLIB_NATIVE_CHUNKY
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#define JOEYLIB_PLATFORM_NAME "MS-DOS"
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#endif
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// ----- ORCA-C named load segments -----
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//
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// On the IIgs the ORCA Linker fits each load segment in its own bank,
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// so spilling cross-platform .c files into named segments is the way
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// to keep monolithic IIgs binaries under the 64 KB-per-bank _ROOT
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// limit. The `segment "name";` statement is ORCA-C-specific syntax
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// (see ORCA/C ch. 30); other ports' compilers don't recognize it, so
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// the macro evaluates to nothing on Amiga/ST/DOS.
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#ifdef JOEYLIB_PLATFORM_IIGS
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#define JOEYLIB_SEGMENT(name) segment name;
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#else
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#define JOEYLIB_SEGMENT(name)
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#endif
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// ----- Library version -----
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#define JOEYLIB_VERSION_MAJOR 1
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#define JOEYLIB_VERSION_MINOR 0
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#define JOEYLIB_VERSION_PATCH 0
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#define JOEYLIB_VERSION_STRING "1.0.0"
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#endif
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