/*
*********************************************************************************************************
*                                                 uC/OS
*                                          The Real-Time Kernel
*
*                                         XA SPECIFIC HEADER FILE
*
*                                             Rene Voorberg
*                                             80c52 (Large Model)
*				   Using the COMPASS51 compiler from PLC
*
* File : OS51.h
*********************************************************************************************************
*/

/*
*********************************************************************************************************
*                                              DATA TYPES
*********************************************************************************************************
*/

typedef unsigned char  BOOLEAN;
typedef unsigned char  UBYTE;                    /* Unsigned  8 bit quantity                           */
typedef signed   char  BYTE;                     /* Signed    8 bit quantity                           */
typedef unsigned int   UWORD;                    /* Unsigned 16 bit quantity                           */
typedef signed   int   WORD;                     /* Signed   16 bit quantity                           */
typedef unsigned long  ULONG;                    /* Unsigned 32 bit quantity                           */
typedef signed   long  LONG;                     /* Signed   32 bit quantity                           */
typedef float          FP;                       /* Single precision floating point                    */
typedef const    CODE;		                 /* Single precision floating point                    */

/*
*********************************************************************************************************
*                                              CONSTANTS
*********************************************************************************************************
*/

#ifndef  FALSE
#define  FALSE    0
#endif

#ifndef  TRUE
#define  TRUE     1
#endif

/*
*********************************************************************************************************
*                                        XA PROCESSOR SPECIFICS
*********************************************************************************************************
*/

#define  OS_ENTER_CRITICAL()  asm("	CLR		EA		");
#define  OS_EXIT_CRITICAL()   asm(" 	SETB    	EA  		");
#define  OS_TASK_SW()         asm("	XREF _OSCtxSW	\n\
				        LCALL _OSCtxSw   ; OS_TASK_SW()")
#define  OS_STK_TYPE          unsigned char	/* Data type used for stack                                */