--- /dev/null
+/*============================================================================\r
+\r
+ portable.h v1.00 Written by Scott Robert Ladd.\r
+\r
+ _MSC_VER Microsoft C 6.0 and later\r
+ _QC Microsoft Quick C 2.51 and later\r
+ __TURBOC__ Borland Turbo C, Turbo C++, and Borland C++\r
+ __BORLANDC__ Borland C++\r
+ __ZTC__ Zortech C++ and Symantec C++\r
+ __SC__ Symantec C++\r
+ __WATCOM__ WATCOM C\r
+ __POWERC Mix Power C\r
+\r
+ Revised:\r
+ 09/14/93 Fred Cole Moved MK_FP() macro to end of file to avoid\r
+ redefinition error when dos.h gets included\r
+ at the in/outport definitions for __TURBOC__\r
+ 09/15/93 Thad Smith Add conditional code for TC 2.01\r
+ Fix findfirst/findnext support for ZTC 3.0\r
+ 10/15/93 Bob Stout Revise find first/next support\r
+ 04/03/94 Bob Stout Add Power C support, FAR\r
+============================================================================*/\r
+\r
+\r
+/* prevent multiple inclusions of this header file */\r
+\r
+#if !defined(PORTABLE_H)\r
+#define PORTABLE_H\r
+\r
+/*\r
+** Correct far pointer syntax\r
+*/\r
+\r
+#if defined(__POWERC) || (defined(__TURBOC__) && !defined(__BORLANDC__))\r
+ #define FAR far\r
+#else\r
+ #define FAR _far\r
+#endif\r
+\r
+/*----------------------------------------------------------------------------\r
+ Directory search macros and data structures\r
+\r
+ DOSFileData MS-DOS file data structure\r
+ FIND_FIRST MS-DOS function 0x4E -- find first file matchine spec\r
+ FIND_NEXT MS-DOS function 0x4F -- find subsequent files\r
+----------------------------------------------------------------------------*/\r
+\r
+/* make sure the structure is packed on byte boundary */\r
+\r
+#if defined(_MSC_VER) || defined(_QC) || defined(__WATCOM__)\r
+ #pragma pack(1)\r
+#elif defined(__ZTC__)\r
+ #pragma ZTC align 1\r
+#elif defined(__TURBOC__) && (__TURBOC__ > 0x202)\r
+ #pragma option -a-\r
+#endif\r
+\r
+/* use this structure in place of compiler-defined file structure */\r
+\r
+typedef struct {\r
+ char reserved[21];\r
+ char attrib;\r
+ unsigned time;\r
+ unsigned date;\r
+ long size;\r
+ char name[13];\r
+ } DOSFileData;\r
+\r
+/* set structure alignment to default */\r
+\r
+#if defined (_MSC_VER) || defined(_QC) || defined(__WATCOMC__)\r
+ #pragma pack()\r
+#elif defined (__ZTC__)\r
+ #pragma ZTC align\r
+#elif defined(__TURBOC__) && (__TURBOC__ > 0x202)\r
+ #pragma option -a.\r
+#endif\r
+\r
+/* include proper header files and create macros */\r
+\r
+#if defined (_MSC_VER) || defined(_QC) || defined(__WATCOMC)\r
+ #include "direct.h"\r
+ #define FIND_FIRST(spec,attr,buf) _dos_findfirst(spec,attr,\\r
+ (struct find_t *)buf)\r
+ #define FIND_NEXT(buf) _dos_findnext((struct find_t *)buf)\r
+#elif defined (__TURBOC__)\r
+ #include "dir.h"\r
+ #define FIND_FIRST(spec,attr,buf) findfirst(spec,(struct ffblk *)buf,attr)\r
+ #define FIND_NEXT(buf) findnext((struct ffblk *)buf)\r
+#elif defined (__ZTC__)\r
+ #include "dos.h"\r
+ #define FIND_FIRST(spec,attr,buf) _dos_findfirst(spec,attr,\\r
+ (struct find_t *)buf)\r
+ #define FIND_NEXT(buf) _dos_findnext((struct find_t *)buf)\r
+#endif\r
+\r
+/*----------------------------------------------------------------------------\r
+ I/O Port Macros\r
+\r
+ IN_PORT read byte from I/O port\r
+ IN_PORTW read word from I/O port\r
+ OUT_PORT write byte to I/O port\r
+ OUT_PORTW write word to I/O port\r
+----------------------------------------------------------------------------*/\r
+\r
+#if defined(__TURBOC__)\r
+ #include "dos.h"\r
+ #define IN_PORT(port) inportb(port)\r
+ #define IN_PORTW(port) inport(port)\r
+ #define OUT_PORT(port, val) outportb(port, val)\r
+ #define OUT_PORTW(port, val) outport(port, val)\r
+#else\r
+ #include "conio.h"\r
+\r
+ #define IN_PORT(port) inp(port)\r
+ #define IN_PORTW(port) inpw(port)\r
+ #define OUT_PORT(port, val) outp(port, val)\r
+ #define OUT_PORTW(port, val) outpw(port, val)\r
+\r
+/*----------------------------------------------------------------------------\r
+ Borland pseudo register macros\r
+\r
+ These macros replace references to Borland's pseudo register\r
+ variables and geninterrup() funciton with traditional struct\r
+ REGS/int86 references.\r
+----------------------------------------------------------------------------*/\r
+\r
+#if !defined(__TURBOC__)\r
+ #include "dos.h"\r
+\r
+ extern union REGS CPURegs;\r
+\r
+ #define _AX CPURegs.x.ax\r
+ #define _BX CPURegs.x.bx\r
+ #define _CX CPURegs.x.cx\r
+ #define _DX CPURegs.x.dx\r
+\r
+ #define _AH CPURegs.h.ah\r
+ #define _AL CPURegs.h.al\r
+ #define _BH CPURegs.h.bh\r
+ #define _BL CPURegs.h.bl\r
+ #define _CH CPURegs.h.ch\r
+ #define _CL CPURegs.h.cl\r
+ #define _DH CPURegs.h.dh\r
+ #define _DL CPURegs.h.dl\r
+\r
+ #define geninterrupt(n) int86(n,&CPURegs,&CPURegs);\r
+ #define O_DENYALL 0x10\r
+ #define O_DENYWRITE 0x20\r
+ #define O_DENYREAD 0x30\r
+ #define O_DENYNONE 0x40\r
+#endif\r
+\r
+#endif\r
+\r
+/*----------------------------------------------------------------------------\r
+ Pointer-related macros\r
+\r
+ MK_FP creates a far pointer from segment and offset values\r
+----------------------------------------------------------------------------*/\r
+\r
+#if !defined(MK_FP)\r
+ #define MK_FP(seg,off) ((void FAR *)(((long)(seg) << 16)|(unsigned)(off)))\r
+#endif\r
+\r
+#endif\r
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