diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..cb2e461
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,5 @@
+all: install
+
+install:
+	mkdir -p $(DESTDIR)///include
+	cp -r include/psxtypes $(DESTDIR)///include
diff --git a/README b/README
index 4546a6d..e71fe9a 100644
--- a/README
+++ b/README
@@ -1,2 +1,58 @@
 portable type definitions for a free-standing environment
 ---------------------------------------------------------
+
+COMPILERS
+---------
++ gcc (midipix).
++ gcc (mingw).
++ clang.
++ MSVS.
+
+
+USAGE
+-----
+
+(1) 32-bit free-standing environment
+------------------------------------
+
+#define __NT32
+#include <psxtypes/psxtypes.h>
+
+
+(2) 64-bit free-standing environment
+------------------------------------
+
+#define __NT64
+#include <psxtypes/psxtypes.h>
+
+
+(3) 32-bit free-standing WINAPI environment
+
+#define MIDIPIX_WIN32
+#include <psxtypes/psxtypes.h>
+
+
+(4) 64-bit free-standing WINAPI environment
+
+#define MIDIPIX_WIN64
+#include <psxtypes/psxtypes.h>
+
+
+(5) 32-bit WINAPI environment with a non-posix C library
+
+#define MIDIPIX_WIN32
+#define MIDIPIX_EXTERNAL_TYPES
+#include <psxtypes/psxtypes.h>
+
+
+(6) 64-bit WINAPI environment with a non-posix C library
+
+#define MIDIPIX_WIN64
+#define MIDIPIX_EXTERNAL_TYPES
+#include <psxtypes/psxtypes.h>
+
+
+(7) a standard POSIX development environment
+
+#define __NATIVE_POSIX
+#include <psxtypes/psxtypes.h>
diff --git a/include/psxtypes/__nttypes.h b/include/psxtypes/__nttypes.h
new file mode 100644
index 0000000..852fa1e
--- /dev/null
+++ b/include/psxtypes/__nttypes.h
@@ -0,0 +1,34 @@
+/* verify matching compiler */
+#if defined(__NT32)
+
+typedef char __sanity[sizeof(int) - sizeof(void *) + 1];
+
+#elif defined(__NT64)
+
+#ifndef _NT64_SANITY_CHECKED
+#define _NT64_SANITY_CHECKED
+
+struct	__sanity_struct {int i; void * p;};
+typedef char __sanity[sizeof(struct __sanity_struct) - 2*sizeof(long long) + 1];
+
+#endif
+
+#endif
+
+
+/*compiler directives: unified syntax */
+#if defined(__GNUC__)
+#include "compiler/__nt_compiler_gcc.h"
+#elif defined (_MSC_VER)
+#include "compiler/__nt_compiler_msvc.h"
+#endif
+
+
+/* portable types in a free-standing NT environment */
+#ifndef __ASSEMBLER__
+#if defined(__NT32)
+#include "arch/nt32/ntalltypes.h"
+#elif defined(__NT64)
+#include "arch/nt64/ntalltypes.h"
+#endif
+#endif
diff --git a/include/psxtypes/__psxtypes.h b/include/psxtypes/__psxtypes.h
new file mode 100644
index 0000000..14ae8ca
--- /dev/null
+++ b/include/psxtypes/__psxtypes.h
@@ -0,0 +1,10 @@
+/* basic integer/pointer types and constant definitions */
+#include <stdint.h>
+#include <stddef.h>
+#include <errno.h>
+
+
+/* compiler directives: unified syntax */
+#if defined(__GNUC__)
+#include "compiler/__psx_compiler_gcc.h"
+#endif
diff --git a/include/psxtypes/arch/nt32/ntalltypes.h b/include/psxtypes/arch/nt32/ntalltypes.h
new file mode 100644
index 0000000..5e61552
--- /dev/null
+++ b/include/psxtypes/arch/nt32/ntalltypes.h
@@ -0,0 +1,178 @@
+#ifndef MIDIPIX_EXTERNAL_TYPES
+#include "ntneedall.h"
+#endif
+
+#define __NT_MAX_USERSPACE_ADDRESS	0x7FFEFFFFul
+
+#if !defined(__NEED_wchar16_t)
+#define __NEED_wchar16_t
+#endif
+
+#if !defined(__NEED_wchar32_t)
+#define __NEED_wchar32_t
+#endif
+
+
+#if defined(__NEED_wchar16_t) && !defined(__DEFINED_wchar16_t)
+typedef unsigned short		wchar16_t;
+#define __DEFINED_wchar16_t
+#endif
+
+
+#if defined(__NEED_wchar32_t) && !defined(__DEFINED_wchar32_t)
+typedef int			wchar32_t;
+#define __DEFINED_wchar32_t
+#endif
+
+
+#if defined(__NEED_size_t) && !defined(__DEFINED_size_t)
+typedef unsigned long		size_t;
+#define __DEFINED_size_t
+#endif
+
+#if defined(__NEED_ssize_t) && !defined(__DEFINED_ssize_t)
+typedef signed   long		ssize_t;
+#define __DEFINED_ssize_t
+#endif
+
+#if defined(__NEED_ptrdiff_t) && !defined(__DEFINED_ptrdiff_t)
+typedef signed   long		ptrdiff_t;
+#define __DEFINED_ptrdiff_t
+#endif
+
+#if defined(__NEED_off_t) && !defined(__DEFINED_off_t)
+typedef signed long long		off_t;
+#define __DEFINED_off_t
+#endif
+
+#if defined(__NEED_int8_t) && !defined(__DEFINED_int8_t)
+typedef signed char		int8_t;
+#define __DEFINED_int8_t
+#endif
+
+#if defined(__NEED_int16_t) && !defined(__DEFINED_int16_t)
+typedef short			int16_t;
+#define __DEFINED_int16_t
+#endif
+
+#if defined(__NEED_int32_t) && !defined(__DEFINED_int32_t)
+typedef int			int32_t;
+#define __DEFINED_int32_t
+#endif
+
+#if defined(__NEED_int64_t) && !defined(__DEFINED_int64_t)
+typedef long long		int64_t;
+#define __DEFINED_int64_t
+#endif
+
+
+#if defined(__NEED_uint8_t) && !defined(__DEFINED_uint8_t)
+typedef unsigned char		uint8_t;
+#define __DEFINED_uint8_t
+#endif
+
+#if defined(__NEED_uint16_t) && !defined(__DEFINED_uint16_t)
+typedef unsigned short		uint16_t;
+#define __DEFINED_uint16_t
+#endif
+
+#if defined(__NEED_uint32_t) && !defined(__DEFINED_uint32_t)
+typedef unsigned long		uint32_t;
+#define __DEFINED_uint32_t
+#endif
+
+#if defined(__NEED_uint64_t) && !defined(__DEFINED_uint64_t)
+typedef unsigned long long	uint64_t;
+#define __DEFINED_uint64_t
+#endif
+
+
+#if defined(__NEED___uint16_t) && !defined(__DEFINED___uint16_t)
+typedef unsigned short		__uint16_t;
+#define __DEFINED___uint16_t
+#endif
+
+#if defined(__NEED___uint32_t) && !defined(__DEFINED___uint32_t)
+typedef unsigned long		__uint32_t;
+#define __DEFINED___uint32_t
+#endif
+
+#if defined(__NEED___uint64_t) && !defined(__DEFINED___uint64_t)
+typedef unsigned long long	__uint64_t;
+#define __DEFINED___uint64_t
+#endif
+
+
+#if defined(__NEED_int_fast8_t) && !defined(__DEFINED_int_fast8_t)
+typedef int8_t			int_fast8_t;
+#define __DEFINED_int_fast8_t
+#endif
+
+#if defined(__NEED_int_fast16_t) && !defined(__DEFINED_int_fast16_t)
+typedef int			int_fast16_t;
+#define __DEFINED_int_fast16_t
+#endif
+
+#if defined(__NEED_int_fast32_t) && !defined(__DEFINED_int_fast32_t)
+typedef long			int_fast32_t;
+#define __DEFINED_int_fast32_t
+#endif
+
+#if defined(__NEED_int_fast64_t) && !defined(__DEFINED_int_fast64_t)
+typedef int64_t			int_fast64_t;
+#define __DEFINED_int_fast64_t
+#endif
+
+
+#if defined(__NEED_uint_fast8_t) && !defined(__DEFINED_uint_fast8_t)
+typedef unsigned char		uint_fast8_t;
+#define __DEFINED_uint_fast8_t
+#endif
+
+#if defined(__NEED_uint_fast16_t) && !defined(__DEFINED_uint_fast16_t)
+typedef unsigned int		uint_fast16_t;
+#define __DEFINED_uint_fast16_t
+#endif
+
+#if defined(__NEED_uint_fast32_t) && !defined(__DEFINED_uint_fast32_t)
+typedef unsigned long		uint_fast32_t;
+#define __DEFINED_uint_fast32_t
+#endif
+
+#if defined(__NEED_uint_fast64_t) && !defined(__DEFINED_uint_fast64_t)
+typedef uint64_t		uint_fast64_t;
+#define __DEFINED_uint_fast64_t
+#endif
+
+
+#if defined(__NEED_intptr_t) && !defined(__DEFINED_intptr_t)
+typedef long			intptr_t;
+#define __DEFINED_intptr_t
+#endif
+
+#if defined(__NEED_uintptr_t) && !defined(__DEFINED_uintptr_t)
+typedef unsigned long		uintptr_t;
+#define __DEFINED_uintptr_t
+#endif
+
+
+#if defined(__NEED_intmax_t) && !defined(__DEFINED_intmax_t)
+typedef long long		intmax_t;
+#define __DEFINED_intmax_t
+#endif
+
+#if defined(__NEED_uintmax_t) && !defined(__DEFINED_uintmax_t)
+typedef unsigned long long	uintmax_t;
+#define __DEFINED_uintmax_t
+#endif
+
+
+#if defined(__NEED_float_t) && !defined(__DEFINED_float_t)
+typedef float			float_t;
+#define __DEFINED_float_t
+#endif
+
+#if defined(__NEED_double_t) && !defined(__DEFINED_double_t)
+typedef double			double_t;
+#define __DEFINED_double_t
+#endif
diff --git a/include/psxtypes/arch/nt32/ntneedall.h b/include/psxtypes/arch/nt32/ntneedall.h
new file mode 100644
index 0000000..f676204
--- /dev/null
+++ b/include/psxtypes/arch/nt32/ntneedall.h
@@ -0,0 +1,52 @@
+#ifndef _NTNEEDALL_H_
+#define _NTNEEDALL_H_
+
+#ifndef __ASSEMBLER__
+
+#define __NEED_wchar16_t
+#define __NEED_wchar32_t
+
+#define __NEED_size_t
+#define __NEED_ssize_t
+#define __NEED_ptrdiff_t
+#define __NEED_off_t
+
+#define __NEED_wint_t
+#define __NEED_wctrans_t
+#define __NEED_wctype_t
+
+#define __NEED_int8_t
+#define __NEED_int16_t
+#define __NEED_int32_t
+#define __NEED_int64_t
+
+#define __NEED_uint8_t
+#define __NEED_uint16_t
+#define __NEED_uint32_t
+#define __NEED_uint64_t
+
+#define __NEED___uint16_t
+#define __NEED___uint32_t
+#define __NEED___uint64_t
+
+#define __NEED_int_fast8_t
+#define __NEED_int_fast16_t
+#define __NEED_int_fast32_t
+#define __NEED_int_fast64_t
+
+#define __NEED_uint_fast8_t
+#define __NEED_uint_fast16_t
+#define __NEED_uint_fast32_t
+#define __NEED_uint_fast64_t
+
+#define __NEED_intptr_t
+#define __NEED_uintptr_t
+
+#define __NEED_intmax_t
+#define __NEED_uintmax_t
+
+#define __NEED_float_t
+#define __NEED_double_t
+
+#endif /* __ASSEMBLER__ */
+#endif /* _NTNEEDALL_H_ */
diff --git a/include/psxtypes/arch/nt64/ntalltypes.h b/include/psxtypes/arch/nt64/ntalltypes.h
new file mode 100644
index 0000000..d6640f8
--- /dev/null
+++ b/include/psxtypes/arch/nt64/ntalltypes.h
@@ -0,0 +1,178 @@
+#ifndef MIDIPIX_EXTERNAL_TYPES
+#include "ntneedall.h"
+#endif
+
+#define __NT_MAX_USERSPACE_ADDRESS  	0x000007FFFFFEFFFFull
+
+#if !defined(__NEED_wchar16_t)
+#define __NEED_wchar16_t
+#endif
+
+#if !defined(__NEED_wchar32_t)
+#define __NEED_wchar32_t
+#endif
+
+
+#if defined(__NEED_wchar16_t) && !defined(__DEFINED_wchar16_t)
+typedef unsigned short		wchar16_t;
+#define __DEFINED_wchar16_t
+#endif
+
+
+#if defined(__NEED_wchar32_t) && !defined(__DEFINED_wchar32_t)
+typedef int			wchar32_t;
+#define __DEFINED_wchar32_t
+#endif
+
+
+#if defined(__NEED_size_t) && !defined(__DEFINED_size_t)
+typedef unsigned long long	size_t;
+#define __DEFINED_size_t
+#endif
+
+#if defined(__NEED_ssize_t) && !defined(__DEFINED_ssize_t)
+typedef signed   long long	ssize_t;
+#define __DEFINED_ssize_t
+#endif
+
+#if defined(__NEED_ptrdiff_t) && !defined(__DEFINED_ptrdiff_t)
+typedef signed long long	ptrdiff_t;
+#define __DEFINED_ptrdiff_t
+#endif
+
+#if defined(__NEED_off_t) && !defined(__DEFINED_off_t)
+typedef signed long long		off_t;
+#define __DEFINED_off_t
+#endif
+
+#if defined(__NEED_int8_t) && !defined(__DEFINED_int8_t)
+typedef signed char		int8_t;
+#define __DEFINED_int8_t
+#endif
+
+#if defined(__NEED_int16_t) && !defined(__DEFINED_int16_t)
+typedef short			int16_t;
+#define __DEFINED_int16_t
+#endif
+
+#if defined(__NEED_int32_t) && !defined(__DEFINED_int32_t)
+typedef int			int32_t;
+#define __DEFINED_int32_t
+#endif
+
+#if defined(__NEED_int64_t) && !defined(__DEFINED_int64_t)
+typedef long long		int64_t;
+#define __DEFINED_int64_t
+#endif
+
+
+#if defined(__NEED_uint8_t) && !defined(__DEFINED_uint8_t)
+typedef unsigned char		uint8_t;
+#define __DEFINED_uint8_t
+#endif
+
+#if defined(__NEED_uint16_t) && !defined(__DEFINED_uint16_t)
+typedef unsigned short		uint16_t;
+#define __DEFINED_uint16_t
+#endif
+
+#if defined(__NEED_uint32_t) && !defined(__DEFINED_uint32_t)
+typedef unsigned int		uint32_t;
+#define __DEFINED_uint32_t
+#endif
+
+#if defined(__NEED_uint64_t) && !defined(__DEFINED_uint64_t)
+typedef unsigned long long	uint64_t;
+#define __DEFINED_uint64_t
+#endif
+
+
+#if defined(__NEED___uint16_t) && !defined(__DEFINED___uint16_t)
+typedef unsigned short		__uint16_t;
+#define __DEFINED___uint16_t
+#endif
+
+#if defined(__NEED___uint32_t) && !defined(__DEFINED___uint32_t)
+typedef unsigned int		__uint32_t;
+#define __DEFINED___uint32_t
+#endif
+
+#if defined(__NEED___uint64_t) && !defined(__DEFINED___uint64_t)
+typedef unsigned long long	__uint64_t;
+#define __DEFINED___uint64_t
+#endif
+
+
+#if defined(__NEED_int_fast8_t) && !defined(__DEFINED_int_fast8_t)
+typedef int8_t			int_fast8_t;
+#define __DEFINED_int_fast8_t
+#endif
+
+#if defined(__NEED_int_fast16_t) && !defined(__DEFINED_int_fast16_t)
+typedef int			int_fast16_t;
+#define __DEFINED_int_fast16_t
+#endif
+
+#if defined(__NEED_int_fast32_t) && !defined(__DEFINED_int_fast32_t)
+typedef int			int_fast32_t;
+#define __DEFINED_int_fast32_t
+#endif
+
+#if defined(__NEED_int_fast64_t) && !defined(__DEFINED_int_fast64_t)
+typedef int64_t			int_fast64_t;
+#define __DEFINED_int_fast64_t
+#endif
+
+
+#if defined(__NEED_uint_fast8_t) && !defined(__DEFINED_uint_fast8_t)
+typedef unsigned char		uint_fast8_t;
+#define __DEFINED_uint_fast8_t
+#endif
+
+#if defined(__NEED_uint_fast16_t) && !defined(__DEFINED_uint_fast16_t)
+typedef unsigned int		uint_fast16_t;
+#define __DEFINED_uint_fast16_t
+#endif
+
+#if defined(__NEED_uint_fast32_t) && !defined(__DEFINED_uint_fast32_t)
+typedef unsigned int		uint_fast32_t;
+#define __DEFINED_uint_fast32_t
+#endif
+
+#if defined(__NEED_uint_fast64_t) && !defined(__DEFINED_uint_fast64_t)
+typedef uint64_t		uint_fast64_t;
+#define __DEFINED_uint_fast64_t
+#endif
+
+
+#if defined(__NEED_intptr_t) && !defined(__DEFINED_intptr_t)
+typedef signed long long	intptr_t;
+#define __DEFINED_intptr_t
+#endif
+
+#if defined(__NEED_uintptr_t) && !defined(__DEFINED_uintptr_t)
+typedef unsigned long long	uintptr_t;
+#define __DEFINED_uintptr_t
+#endif
+
+
+#if defined(__NEED_intmax_t) && !defined(__DEFINED_intmax_t)
+typedef long long		intmax_t;
+#define __DEFINED_intmax_t
+#endif
+
+#if defined(__NEED_uintmax_t) && !defined(__DEFINED_uintmax_t)
+typedef unsigned long long	uintmax_t;
+#define __DEFINED_uintmax_t
+#endif
+
+
+#if defined(__NEED_float_t) && !defined(__DEFINED_float_t)
+typedef float			float_t;
+#define __DEFINED_float_t
+#endif
+
+#if defined(__NEED_double_t) && !defined(__DEFINED_double_t)
+typedef double			double_t;
+#define __DEFINED_double_t
+#endif
diff --git a/include/psxtypes/arch/nt64/ntneedall.h b/include/psxtypes/arch/nt64/ntneedall.h
new file mode 100644
index 0000000..f676204
--- /dev/null
+++ b/include/psxtypes/arch/nt64/ntneedall.h
@@ -0,0 +1,52 @@
+#ifndef _NTNEEDALL_H_
+#define _NTNEEDALL_H_
+
+#ifndef __ASSEMBLER__
+
+#define __NEED_wchar16_t
+#define __NEED_wchar32_t
+
+#define __NEED_size_t
+#define __NEED_ssize_t
+#define __NEED_ptrdiff_t
+#define __NEED_off_t
+
+#define __NEED_wint_t
+#define __NEED_wctrans_t
+#define __NEED_wctype_t
+
+#define __NEED_int8_t
+#define __NEED_int16_t
+#define __NEED_int32_t
+#define __NEED_int64_t
+
+#define __NEED_uint8_t
+#define __NEED_uint16_t
+#define __NEED_uint32_t
+#define __NEED_uint64_t
+
+#define __NEED___uint16_t
+#define __NEED___uint32_t
+#define __NEED___uint64_t
+
+#define __NEED_int_fast8_t
+#define __NEED_int_fast16_t
+#define __NEED_int_fast32_t
+#define __NEED_int_fast64_t
+
+#define __NEED_uint_fast8_t
+#define __NEED_uint_fast16_t
+#define __NEED_uint_fast32_t
+#define __NEED_uint_fast64_t
+
+#define __NEED_intptr_t
+#define __NEED_uintptr_t
+
+#define __NEED_intmax_t
+#define __NEED_uintmax_t
+
+#define __NEED_float_t
+#define __NEED_double_t
+
+#endif /* __ASSEMBLER__ */
+#endif /* _NTNEEDALL_H_ */
diff --git a/include/psxtypes/compiler/__nt_compiler_clang.h b/include/psxtypes/compiler/__nt_compiler_clang.h
new file mode 100644
index 0000000..531153e
--- /dev/null
+++ b/include/psxtypes/compiler/__nt_compiler_clang.h
@@ -0,0 +1,108 @@
+#ifndef _PSXTYPES_NT_COMPILER_CLANG_H_
+#define _PSXTYPES_NT_COMPILER_CLANG_H_
+
+
+/* compiler identification */
+#define __COMPILER__			__CLANG__
+#define __COMPILER_DEPENDENT_SUFFIX__	__clang
+
+
+/* NTVER: the bare minimum */
+#ifndef NTVER
+	#define NTVER 0x0500
+#elif (NTVER < 0x0500)
+	#error __^@^__: NTVER: minimum supported NT version is 0x0500.
+#endif
+
+
+/* x86 processor model */
+#if (_M_IX86 == 900)
+	#define __X86_MODEL 	986
+#elif (_M_IX86 == 800)
+	#define __X86_MODEL 	886
+#elif (_M_IX86 == 700)
+	#define __X86_MODEL 	786
+#elif (_M_IX86 == 600)
+	#define __X86_MODEL 	686
+#elif (_M_IX86 == 500)
+	#define __X86_MODEL 	586
+#elif (_M_IX86 == 400)
+	#define __X86_MODEL 	486
+#elif (_M_IX86 == 300)
+	#define __X86_MODEL 	386
+#endif
+
+
+/* x86_64 processor model */
+#if defined(_M_AMD64)
+	#define __amd64 1
+	#define __X86_64_MODEL 	__amd64
+#endif
+
+
+/* va_list */
+#define __CUSTOM_OR_BUILTIN_va_list__  char *
+
+
+/* compiler keywords */
+#define __in
+#define __out
+#define __in_opt
+#define __out_opt
+#define __in_out
+#define __in_out_opt
+#define __reserved
+#define __optional
+#define __simplified
+#define __null_placeholder		(0x0)
+
+
+/* __SIZEOF_POINTER__ */
+#if defined(__NT32)
+	#define __SIZEOF_POINTER__	4
+#elif defined(__NT64)
+	#define __SIZEOF_POINTER__	8
+#endif
+
+
+/* compiler attributes */
+#define __inline__			__inline
+#define __volatile__			volatile
+#define __attr_aligned__(x)		__declspec(align(x))
+#define __attr_ptr_size_aligned__	__attr_aligned__(__SIZEOF_POINTER__)
+#define __attr_packed__
+#define __attr_export__			__declspec(dllexport)
+#define __attr_import__			__declspec(dllimport)
+#define __attr_naked__			__declspec(naked)
+
+#ifdef __PE_VISIBILITY__
+#define __attr_hidden__			__attribute__((visibility("hidden")))
+#define __attr_public__ 		__attribute__((visibility("default")))
+#define __attr_protected__ 		__attribute__((visibility("protected")))
+#else
+#define __attr_hidden__
+#define __attr_public__
+#define __attr_protected__
+#endif
+
+
+/* compiler-dependent assertions */
+#define __assert_aligned_size(s,a)	typedef char __assert##s [1-((sizeof(s) % a))]
+#define __assert_struct_size(s1,s2)     typedef char __assert##s1##s2 [1 + sizeof(s2) -sizeof(s1)]
+
+
+/* calling conventions */
+#undef __stdcall
+#undef APIENTRY
+#undef CALLBACK
+#undef NTAPI
+#undef WINAPI
+
+#define __stdcall 	_stdcall
+#define APIENTRY	__stdcall
+#define CALLBACK	__stdcall
+#define NTAPI		__stdcall
+#define WINAPI		__stdcall
+#define __tep		__stdcall
+
+#endif /* _PSXTYPES_NT_COMPILER_CLANG_H_ */
diff --git a/include/psxtypes/compiler/__nt_compiler_gcc.h b/include/psxtypes/compiler/__nt_compiler_gcc.h
new file mode 100644
index 0000000..4c80398
--- /dev/null
+++ b/include/psxtypes/compiler/__nt_compiler_gcc.h
@@ -0,0 +1,129 @@
+#ifndef _PSXTYPES_NT_COMPILER_GCC_H_
+#define _PSXTYPES_NT_COMPILER_GCC_H_
+
+
+/* compiler identification */
+#define __COMPILER__			__GCC__
+#define __COMPILER_DEPENDENT_SUFFIX__	__gcc
+
+
+/* NTVER: the bare minimum */
+#ifndef NTVER
+	#define NTVER 0x0500
+#elif (NTVER < 0x0500)
+	#error __^@^__: NTVER: minimum supported NT version is 0x0500.
+#endif
+
+
+/* x86 processor model */
+#if defined(__i986__)
+	#define __X86_MODEL 	986
+#elif defined(__i886__)
+	#define __X86_MODEL 	886
+#elif defined(__i786__)
+	#define __X86_MODEL 	786
+#elif defined(__i686__)
+	#define __X86_MODEL 	686
+#elif defined(__i586__)
+	#define __X86_MODEL 	586
+#elif defined(__i486__)
+	#define __X86_MODEL 	486
+#elif defined(__i386__)
+	#define __X86_MODEL 	386
+#endif
+
+
+/* x86_64 processor model */
+#if defined(__amd64) && (__amd64)
+	#define __X86_64_MODEL 	__amd64
+#endif
+
+
+/* va_list */
+#define __CUSTOM_OR_BUILTIN_va_list__  __builtin_va_list
+
+
+/* compiler keywords */
+#define __in
+#define __out
+#define __in_opt
+#define __out_opt
+#define __in_out
+#define __in_out_opt
+#define __reserved
+#define __optional
+#define __simplified
+#define __caller_allocated
+#define __caller_initialized
+#define __null_placeholder		(0x0)
+
+
+/* compiler attributes */
+#define __attr_aligned__(x)		__attribute__((__aligned__(x)))
+#define __attr_ptr_size_aligned__	__attr_aligned__(__SIZEOF_POINTER__)
+#define __attr_packed__			__attribute__((__packed__))
+#define __attr_export__			__attribute__((dllexport))
+#define __attr_import__			__attribute__((dllimport))
+#define __attr_naked__
+
+#ifdef __PE_VISIBILITY__
+#define __attr_hidden__ 		__attribute__((visibility("hidden")))
+#define __attr_public__ 		__attribute__((visibility("default")))
+#define __attr_protected__ 		__attribute__((visibility("protected")))
+#else
+#define __attr_hidden__
+#define __attr_public__
+#define __attr_protected__
+#endif
+
+
+/* compiler-dependent assertions */
+#define __assert_aligned_size(s,a)	typedef char __assert##s [-(sizeof(s) % a)]
+#define __assert_struct_size(s1,s2)	typedef char __assert##s1##s2 [sizeof(s2) -sizeof(s1)]
+
+
+/* calling conventions */
+#if     defined(__X86_MODEL)
+#undef  __cdecl
+#define __cdecl		__attribute__((cdecl))
+
+#undef  __fastcall
+#define	__fastcall	__attribute__((fastcall))
+
+#undef  __stdcall
+#define __stdcall	__attribute__((stdcall))
+
+#elif   defined (__X86_64_MODEL)
+
+#undef  __cdecl
+#define __cdecl
+
+#undef  __fastcall
+#define __fastcall
+
+#undef  __stdcall
+#define __stdcall
+#endif
+
+#undef APIENTRY
+#undef CALLBACK
+#undef NTAPI
+#undef WINAPI
+
+#define APIENTRY	__stdcall
+#define CALLBACK	__stdcall
+#define NTAPI		__stdcall
+#define WINAPI		__stdcall
+
+
+
+/* architecture-specific calling conventions */
+#if   defined(__X86_MODEL)
+	#undef  __stdcall
+	#define __stdcall 	__attribute__((__stdcall__))
+#elif defined(__X86_64_MODEL)
+	#undef  __stdcall
+	#define __stdcall
+#endif
+
+#endif /* _PSXTYPES_NT_COMPILER_GCC_H_ */
diff --git a/include/psxtypes/compiler/__nt_compiler_msvc.h b/include/psxtypes/compiler/__nt_compiler_msvc.h
new file mode 100644
index 0000000..2a0e8dc
--- /dev/null
+++ b/include/psxtypes/compiler/__nt_compiler_msvc.h
@@ -0,0 +1,109 @@
+#ifndef _PSXTYPES_NT_COMPILER_MSVC_H_
+#define _PSXTYPES_NT_COMPILER_MSVC_H_
+
+
+/* compiler identification */
+#define __COMPILER__			__MSVC__
+#define __COMPILER_DEPENDENT_SUFFIX__	__msvc
+
+
+/* NTVER: the bare minimum */
+#ifndef NTVER
+	#define NTVER 0x0500
+#elif (NTVER < 0x0500)
+	#error __^@^__: NTVER: minimum supported NT version is 0x0500.
+#endif
+
+
+/* x86 processor model */
+#if (_M_IX86 == 900)
+	#define __X86_MODEL 	986
+#elif (_M_IX86 == 800)
+	#define __X86_MODEL 	886
+#elif (_M_IX86 == 700)
+	#define __X86_MODEL 	786
+#elif (_M_IX86 == 600)
+	#define __X86_MODEL 	686
+#elif (_M_IX86 == 500)
+	#define __X86_MODEL 	586
+#elif (_M_IX86 == 400)
+	#define __X86_MODEL 	486
+#elif (_M_IX86 == 300)
+	#define __X86_MODEL 	386
+#endif
+
+
+/* x86_64 processor model */
+#if defined(_M_AMD64)
+	#define __amd64 1
+	#define __X86_64_MODEL 	__amd64
+#endif
+
+
+/* va_list */
+#define __CUSTOM_OR_BUILTIN_va_list__  char *
+
+
+/* compiler keywords */
+#define __in
+#define __out
+#define __in_opt
+#define __out_opt
+#define __in_out
+#define __in_out_opt
+#define __reserved
+#define __optional
+#define __simplified
+#define __caller_allocated
+#define __caller_initialized
+#define __null_placeholder		(0x0)
+
+
+/* __SIZEOF_POINTER__ */
+#if defined(__NT32)
+	#define __SIZEOF_POINTER__	4
+#elif defined(__NT64)
+	#define __SIZEOF_POINTER__	8
+#endif
+
+
+/* compiler attributes */
+#define __inline__			__inline
+#define __volatile__			volatile
+#define __attr_aligned__(x)		__declspec(align(x))
+#define __attr_ptr_size_aligned__	__attr_aligned__(__SIZEOF_POINTER__)
+#define __attr_packed__
+#define __attr_export__			__declspec(dllexport)
+#define __attr_import__			__declspec(dllimport)
+#define __attr_naked__			__declspec(naked)
+
+#ifdef __PE_VISIBILITY__
+#define __attr_hidden__ 		__attribute__((visibility("hidden")))
+#define __attr_public__ 		__attribute__((visibility("default")))
+#define __attr_protected__ 		__attribute__((visibility("protected")))
+#else
+#define __attr_hidden__
+#define __attr_public__
+#define __attr_protected__
+#endif
+
+
+/* compiler-dependent assertions */
+#define __assert_aligned_size(s,a)	typedef char __assert##s [1-((sizeof(s) % a))]
+#define __assert_struct_size(s1,s2)     typedef char __assert##s1##s2 [1 + sizeof(s2) -sizeof(s1)]
+
+
+/* calling conventions */
+#undef __stdcall
+#undef APIENTRY
+#undef CALLBACK
+#undef NTAPI
+#undef WINAPI
+
+#define __stdcall 	_stdcall
+#define APIENTRY	__stdcall
+#define CALLBACK	__stdcall
+#define NTAPI		__stdcall
+#define WINAPI		__stdcall
+
+#endif /* _PSXTYPES_NT_COMPILER_MSVC_H_ */
diff --git a/include/psxtypes/compiler/__psx_compiler_gcc.h b/include/psxtypes/compiler/__psx_compiler_gcc.h
new file mode 100644
index 0000000..6797182
--- /dev/null
+++ b/include/psxtypes/compiler/__psx_compiler_gcc.h
@@ -0,0 +1,93 @@
+#ifndef _PSXTYPES_COMPILER_GCC_H_
+#define _PSXTYPES_COMPILER_GCC_H_
+
+
+/* compiler identification */
+#define __COMPILER__			__GCC__
+#define __COMPILER_DEPENDENT_SUFFIX__	__gcc
+
+
+/* x86 processor model */
+#if defined(__i986__)
+	#define __X86_MODEL 	986
+#elif defined(__i886__)
+	#define __X86_MODEL 	886
+#elif defined(__i786__)
+	#define __X86_MODEL 	786
+#elif defined(__i686__)
+	#define __X86_MODEL 	686
+#elif defined(__i586__)
+	#define __X86_MODEL 	586
+#elif defined(__i486__)
+	#define __X86_MODEL 	486
+#elif defined(__i386__)
+	#define __X86_MODEL 	386
+#endif
+
+
+/* x86_64 processor model */
+#if defined(__amd64) && (__amd64)
+	#define __X86_64_MODEL 	__amd64
+#endif
+
+
+/* va_list */
+#define __CUSTOM_OR_BUILTIN_va_list__  __builtin_va_list
+
+
+/* compiler keywords */
+#define __in
+#define __out
+#define __in_opt
+#define __out_opt
+#define __in_out
+#define __in_out_opt
+#define __reserved
+#define __optional
+#define __simplified
+#define __caller_allocated
+#define __caller_initialized
+#define __null_placeholder		(0x0)
+
+
+/* compiler attributes */
+#define __attr_aligned__(x)		__attribute__((__aligned__(x)))
+#define __attr_ptr_size_aligned__	__attr_aligned__(__SIZEOF_POINTER__)
+#define __attr_packed__			__attribute__((__packed__))
+#define __attr_export__			__attribute__((dllexport))
+#define __attr_import__			__attribute__((dllimport))
+#define __attr_naked__
+#define __attr_hidden__			__attribute__ ((visibility("hidden")))
+#define __attr_public__			__attribute__ ((visibility("default")))
+#define __attr_protected__		__attribute__ ((visibility("protected")))
+
+
+/* compiler-dependent assertions */
+#define __assert_aligned_size(s,a)	typedef char __assert##s [-(sizeof(s) % a)]
+#define __assert_struct_size(s1,s2)     typedef char __assert##s1##s2 [sizeof(s2) -sizeof(s1)]
+
+
+/* calling conventions */
+#ifndef __cdecl
+#define __cdecl
+#endif
+
+#ifndef __fastcall
+#define __fastcall
+#endif
+
+#ifndef __stdcall
+#define __stdcall
+#endif
+
+#undef APIENTRY
+#undef CALLBACK
+#undef NTAPI
+#undef WINAPI
+
+#define APIENTRY
+#define CALLBACK
+#define NTAPI
+#define WINAPI
+
+#endif /* _PSXTYPES_COMPILER_GCC_H_ */
diff --git a/include/psxtypes/psxtypes.h b/include/psxtypes/psxtypes.h
new file mode 100644
index 0000000..5098a3f
--- /dev/null
+++ b/include/psxtypes/psxtypes.h
@@ -0,0 +1,84 @@
+/* support use of these headers by non-native projects */
+#if defined(MIDIPIX_WIN32)
+#ifndef __NT32
+#define __NT32
+#endif
+#elif defined(MIDIPIX_WIN64)
+#ifndef __NT64
+#define __NT64
+#endif
+#endif
+
+
+/* avoid source and/or header mix-ups */
+#if (defined(__WIN32) || defined(_WIN32) || defined (WIN32)) && !defined(MIDIPIX_WIN32) && !defined(MIDIPIX_WIN64)
+	#error __^@^__: Possible mix-up: you have __WIN32 or _WIN32 or WIN32 defined,
+	#error __^@^__: but should have defined __NT32 instead.
+	#error __^@^__:
+	#error __^@^__: if this is a WIN32 project (rather than native or posix), please define MIDIPIX_WIN32
+	#error
+#elif (defined(__WIN64) || defined(_WIN64) || defined (WIN64))  && !defined(MIDIPIX_WIN64)
+	#error __^@^__: Possible mix-up: you have __WIN64 or _WIN64 or WIN64 defined,
+	#error __^@^__: but should have defined __NT64 instead.
+	#error __^@^__:
+	#error __^@^__: if this is a WIN64 project (rather than native or posix), please define MIDIPIX_WIN64
+	#error
+#endif
+
+
+/* require either __NT32 or __NT64 or __NATIVE_POSIX to be defined... */
+#if !defined(__NT32) && !defined(__NT64) && !defined(__NATIVE_POSIX)
+	#error __^@^__: PSXTYPES: explicit definition of either __NT32 or __NT64 or __NATIVE_POSIX is required.
+#endif
+
+
+/* ...but only one */
+#ifdef	__NT32
+#define	__NT32_MATCHES 1
+#else
+#define	__NT32_MATCHES 0
+#endif
+
+#ifdef	__NT64
+#define	__NT64_MATCHES 1
+#else
+#define	__NT64_MATCHES 0
+#endif
+
+#ifdef	__NATIVE_POSIX
+#define	__NATIVE_POSIX_MATCHES 1
+#else
+#define	__NATIVE_POSIX_MATCHES 0
+#endif
+
+#if (__NT32_MATCHES + __NT64_MATCHES + __NATIVE_POSIX_MATCHES) > 1
+	#error __^@^__: PSXTYPES: please choose one platform only...
+	#error __^@^__: (currently supported platforms: __NT32, __NT64, __NATIVE_POSIX)
+#endif
+
+#undef __NT32_MATCHES
+#undef __NT64_MATCHES
+#undef __NATIVE_POSIX_MATCHES
+
+
+
+/**
+ *  define arbitrary constants to identify supported compilers;
+ *  compiler-specific headers will define __COMPILER__ to equal
+ *  one of the values below (crc of upper-cased compiler name).
+**/
+#define __GCC__		0xBE154EBB
+#define __MSVC__	0x25F425ED
+
+#if defined(__DEBUG)
+#define __PSX_DEBUG	1
+#else
+#define __PSX_DEBUG	0
+#endif
+
+/* single point to load compiler-specific and architecture-specific definitions */
+#if defined(__NATIVE_POSIX)
+#include "__psxtypes.h"
+#elif defined(__NT32) || defined(__NT64)
+#include "__nttypes.h"
+#endif