degreec2f.asm

SUNPLUS的8BIT的MCU SPMC65X基本功能函数库及使用说明

;==================================================================================
; The information contained herein is the exclusive property of
; Sunplus Technology Co. And shall not be distributed, reproduced,
; or disclosed in whole in part without prior written permission.
;       (C) COPYRIGHT 2004   SUNPLUS TECHNOLOGY CO.                                  
;                   ALL RIGHTS RESERVED
; The entire notice above must be reproduced on all authorized copies.
;==================================================================================
																					
;==================================================================================
;  Program Name		:	DegreeC2F.asm
;  Description		:	This program presents an example that get the temperature(F)
;						with the method of looking up table.  		 
;  Reference		:	SPMC65P2404A/2408A Data Sheet
;  Revision history	:
;---------------------------------------------------------------------------------- 
;  Version		Date 		Description
;  1.0.0    	2004-8-13	First Edition
;==================================================================================

.SYNTAX  6502							;process standard 6502 addressing syntax
.LINKLIST								;generate linklist information
.SYMBOLS								;generate symbolic debug information
;************************************************************************************

;**********************************************************************************
.PAGE0
.DATA								;define data storage section
;**********************************************************************************
.CODE
;==================================================================================
;	Function:		F_DegreeC2F
;	Description:	Converting C to F
;	Input:			X------------temperature(C)
;	Output:			A------------temperature(F)
;	Destroy:		A,X
;	Stacks:			1
;==================================================================================
F_DegreeC2F:                                          
		lda		TB_C2F,x                
		rts                                    
                            
;************************************************************************************
;*																					*
;*      The Table of Converting C to F : F=(9/5)*C+32  		                        *
;*																					*
;************************************************************************************
TB_C2F:                                                 
		.DB		#032                    
		.DB		#034,#036,#037,#039,#041
		.DB		#043,#045,#046,#048,#050
		.DB		#052,#054,#055,#057,#059
		.DB		#061,#063,#064,#066,#068
		.DB		#070,#072,#073,#075,#077
		.DB		#079,#081,#082,#084,#086
		.DB		#088,#090,#091,#093,#095
		.DB		#097,#099,#100,#102,#104
		.DB		#106,#108,#109,#111,#113
		.DB		#115,#117,#118,#120,#122
		.DB		#124,#126,#127,#129,#131
		.DB		#133,#135,#136,#138,#140
		.DB		#142,#144,#145,#147,#149
		.DB		#151,#153,#154,#156,#158
		.DB		#160,#162,#163,#165,#167
		.DB		#169,#171,#172,#174,#176
		.DB		#178,#180,#181,#183,#185
		.DB		#187,#189,#190,#192,#194
		.DB		#196,#198,#199,#201,#203
		.DB		#205,#207,#208,#210,#212