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https://github.com/mikpe/pdp10-tools.git
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72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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* pdp10-stdint.h
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*
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* Provide stdint.h-like type names and macros for 9, 18, and 36-bit unsigned
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* integer types.
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*
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* Standard uint<N>_t types must not contain any any extraneous bits, but that
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* cannot be guaranteed for these 9, 18, and 36-bit types when they are embedded
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* in larger 16, 32, and 64-bit host types. For arithmetic on these types, use
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* the operations provided by pdp10-arith.h.
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*
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* Do not use these 18 or 36-bit types for file-level binary data structures,
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* instead use the pdp10-extint.h and pdp10-stdio.h facilities to explicitly
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* convert between file-level and host-level binary data structures.
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*/
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#ifndef PDP10_STDINT_H
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#define PDP10_STDINT_H
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#include <stdint.h>
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#if defined(UINT9_MAX)
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typedef uint9_t pdp10_uint9_t;
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#define PDP10_UINT9_MAX UINT9_MAX
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#define PDP10_UINT9_C(c) UINT9_C(c)
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#else /* !UINT9_MAX */
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typedef uint16_t pdp10_uint9_t;
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#define PDP10_UINT9_MAX ((1U << 9) - 1)
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#define PDP10_UINT9_C(c) c
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#endif /* !UINT9_MAX */
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#if defined(UINT18_MAX)
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typedef uint18_t pdp10_uint18_t;
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#define PDP10_UINT18_MAX UINT18_MAX
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#define PDP10_UINT18_C(c) UINT18_C(c)
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#else /* !UINT18_MAX */
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typedef uint32_t pdp10_uint18_t;
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#define PDP10_UINT18_MAX ((1UL << 18) - 1)
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#define PDP10_UINT18_C(c) c ## U
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#endif /* !UINT18_MAX */
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#if defined(UINT36_MAX)
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typedef uint36_t pdp10_uint36_t;
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#define PDP10_UINT36_MAX UINT36_MAX
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#define PDP10_UINT36_C(c) UINT36_C(c)
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typedef int36_t pdp10_int36_t;
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#define PDP10_INT36_MAX INT36_MAX
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#define PDP10_INT36_C(c) INT36_C(c)
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#else /* !UINT36_MAX */
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typedef uint64_t pdp10_uint36_t;
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#define PDP10_UINT36_MAX ((1ULL << 36) - 1)
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#define PDP10_UINT36_C(c) c ## ULL
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typedef int64_t pdp10_int36_t;
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#define PDP10_INT36_MAX ((1LL << (36 - 1)) - 1)
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#define PDP10_INT36_C(c) c ## LL
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#endif /* !UINT36_MAX */
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#endif /* PDP10_STDINT_H */
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