calc.h

一款收款机C源代码！因为是几年前的代码了

/*************************************************************************
				Calculation function key code define
*************************************************************************/


#define	CALC_0			32
#define	CALC_1			25
#define	CALC_2			26
#define	CALC_3			27
#define	CALC_4			18
#define	CALC_5			19
#define	CALC_6			20
#define	CALC_7			11
#define	CALC_8			12
#define	CALC_9			13
#define	CALC_D0			33
#define	CALC_DEC			34				/* '.' */
#define	CALC_PLUS		14				/* '+' */
#define	CALC_MINUS		21				/* '-' */
#define	CALC_MUL			28				/* '*' */
#define	CALC_DIV			35				/* '/' */
#define	CALC_XCH			9				/* '-/+' The negative value and positive value exchange */
#define	CALC_EQU			38				/* '=' */
#define	CALC_EQU1		37				/* '=' */
#define	CALC_CL			6				/* 'CL'  CLEAR, clear the all status and data */
#define	CALC_CE			7				/* 'CE'  Clear the just input data, but the status still remain */
#define	CALC_BS			8				/* 'BS'  Backspace */
#define	CALC_ST			31				/* 'ST'  SUBTTL, exit this mode */
#define	CALC_FD			1				/* 'FD'  FEED, feed the paper */


/************************************************************************/
#define	CALC_MODE		2				/* The working mode key */


/*************************************************************************
				Calculation function status
*************************************************************************/
#define	CALCM_NULL		0
#define	CALCM_ADD		1
#define	CALCM_SUB		2
#define	CALCM_MUL		3
#define	CALCM_DIV		4
#define	CALCM_XCH		5
#define	CALCM_PRI		6				/* The backup mode for the operations PRI */

/** The end **/