📄 g19264.src

📁 这是一个用STC单片机作的,带液晶显示屏的万年历程序,并有串行接收部份,大家一定要珍惜用.
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; /*写汉字液晶子程 液晶屏分为4行*12列汉字，全部使用模拟接口方式。
; /*		 TGLCMLIMIT64A接口程序（模拟方式）
; 	液晶模块供应商：广州市盛宝电子有限公司	Tel:020-87592491 Fax:87541571
; 	Email:	tinsharp@public.guangzhou.gd.cn
; ;***************************************************************************
; ;连线图:
; ;*LCM---89C52*  *LCM---89C52*   *LCM-------89C52*     *LCM----------89C52* *
; ;*DB0---P0.0*   *DB4---P0.4*    *D/I-------P2.6*      *CS1----------P2.4*  *
; ;*DB1---P0.1*   *DB5---P0.5*    *R/W-------P2.7*      *CS2----------P2.5*  *
; ;*DB2---P0.2*   *DB6---P0.6*    *RST--------VCC*      *CS3----------P3.2*  * 
; ;*DB3---P0.3*   *DB7---P0.7*    *E---------P2.3*                           *
; ;注:89C52的晶振频率为12MHz                                                 *
; ;***************************************************************************/
; //画线部分请参照avr的c程序。
; #pragma src			/*生成ASM文件开关,必要时打开	*/
; #include<reg52.h>
; #include<math.h>
; #include<INTRINS.H>
; 
; #define	Uchar unsigned char
; 
; /***********液晶显示器接口引脚定义***************/
; 
; #define LED P2_0
; 
; sbit    RST=	P1^4;
; sbit	Elcm=	P1^2;		//
; sbit	CS1LCM=	P1^3;		//
; sbit	CS2LCM=	P1^5;		//
; sbit	CS3LCM=	P1^6;		/*这个连接只是做实验的临时接法。*/
; sbit	Dilcm=	P1^0;		//
; sbit	Rwlcm=	P1^1;		//
; sfr Datalcm=	0x80;		//数据口
; 
; /***********常用操作命令和参数定义***************/
; #define	 DISPON		0x3f	/*显示on		*/
; #define	 DISPOFF	0x3e	/*显示off		*/
; #define	 DISPFIRST	0xc0	/*显示起始行定义	*/
; #define	 SETX		0x40	/*X定位设定指令（页）	*/
; #define	 SETY		0xb8	/*Y定位设定指令（列）	*/
; #define	 Lcdbusy	0x80	/*LCM忙判断位		*/
; 
; /**************显示分区边界位置*****************/
; #define	 MODL		0x00	/*左区			*/
; #define	 MODM		0x40	/*左区和中区分界	*/
; #define	 MODR		0x80	/*中区和右区分界	*/
; #define	LCMLIMIT	0xC0	/*显示区的右边界	*/
; 
; /****************全局变量定义*******************/
; Uchar col,row,cbyte;		/*列x,行(页)y,输出数据	*/
; bit xy;				/*画线方向标志：1水平	*/
; 
; /*****************函数列表**********************/
; void Lcminit(void);		/*液晶模块初始化	*/
; void Delay(Uchar);		/*延时，入口数为Ms	*/
; void lcdbusyL(void);		/*busy判断、等待(左区)	*/
; void lcdbusyM(void);		/*busy判断、等待(中区)	*/
; void lcdbusyR(void);		/*busy判断、等待(右区)	*/
; void Putedot(Uchar);		/*半角字符输出		*/
; void Putcdot(Uchar);		/*全角(汉字)输出	*/
; void Wrdata(Uchar);		/*数据输出给LCM		*/
; void Lcmcls( void );		/*LCM全屏幕清零(填充0)	*/
; void wtcom(void);		/*公用busy等待		*/
; void Locatexy(void);		/*光标定位		*/
; void WrcmdL(Uchar);		/*左区命令输出		*/
; void WrcmdM(Uchar);		/*中区命令输出		*/
; void WrcmdR(Uchar);		/*右区命令输出		*/
; void Putstr(Uchar *puts,Uchar i);	/*中英文字符串输出	*/
; void Rollscreen(Uchar x);	/*屏幕向上滚动演示	*/
; void Rddata(void);		/*  从液晶片上读数据	*/
; void Linehv(Uchar length);	/*横(竖)方向画线	*/
; void point(void);		/*打点			*/
; void Linexy(Uchar endx,Uchar endy);/*画线。任意方向的斜线，不支持垂直的或水平线	*/
; 
; 
; /******************数组列表*********************/
; Uchar code Ezk[];		/*ASCII常规字符点阵码表	*/
; Uchar code Hzk[];		/*自用汉字点阵码表	*/
; Uchar code STR1[];		/*自定义字符串		*/
; Uchar code STR2[];		//
; Uchar code STR3[];		//
; Uchar code STR4[];		//
; 
; 
; /********************************/
; /* 演示主程序			*/
; /********************************/
; void main(void)

	RSEG  ?PR?main?G19264
main:
	USING	0
			; SOURCE LINE # 88
; 
; { 	Uchar x;
			; SOURCE LINE # 90
; 	RST=0;			//LCD复位
			; SOURCE LINE # 91
	CLR  	RST
; 	Delay(30);
			; SOURCE LINE # 92
	MOV  	R7,#01EH
	LCALL	_Delay
; 	RST=1;
			; SOURCE LINE # 93
	SETB 	RST
; 
; 	col=0;	row=0;	Delay(40);		/*延时大约40Ms,等待外设准备好	*/
			; SOURCE LINE # 95
	CLR  	A
	MOV  	col,A
	MOV  	row,A
	MOV  	R7,#028H
	LCALL	_Delay
; 	Lcminit();		/*液晶模块初始化，包括全屏幕清屏*/
			; SOURCE LINE # 96
	LCALL	Lcminit
; 	
; 	Putstr(STR2,24);	/*第一行字符输出，24字节	*/
			; SOURCE LINE # 98
	MOV  	R2,#HIGH (STR2)
	MOV  	R1,#LOW (STR2)
	LCALL	L?0098
; 	col=0;	row=2;
			; SOURCE LINE # 99
	CLR  	A
	MOV  	col,A
	MOV  	row,#02H
; 	Putstr(STR1,12);	/*第二行字符输出，12字节	*/
			; SOURCE LINE # 100
	MOV  	R3,#0FFH
	MOV  	R2,#HIGH (STR1)
	MOV  	R1,#LOW (STR1)
	MOV  	R5,#0CH
	LCALL	_Putstr
; 	col=0;	row=4;
			; SOURCE LINE # 101
	CLR  	A
	MOV  	col,A
	MOV  	row,#04H
; 	Putstr(STR3,24);	/*第三行字符输出，24字节	*/
			; SOURCE LINE # 102
	MOV  	R2,#HIGH (STR3)
	MOV  	R1,#LOW (STR3)
	LCALL	L?0098
; 	col=0;	row=6;
			; SOURCE LINE # 103
	CLR  	A
	MOV  	col,A
	MOV  	row,#06H
; 	Putstr(STR4,24);	/*第四行字符输出，12字节	*/
			; SOURCE LINE # 104
	MOV  	R3,#0FFH
	MOV  	R2,#HIGH (STR4)
	MOV  	R1,#LOW (STR4)
	MOV  	R5,#018H
	LCALL	_Putstr
; 	x=0;	col=0;	row=0;
			; SOURCE LINE # 105
	CLR  	A
	MOV  	x?040,A
	MOV  	col,A
	MOV  	row,A
; 	xy = 1;			/*方向标志。定为水平方向	*/
			; SOURCE LINE # 106
; 	Linehv(192);		/*画一条横线(0,0)-(191,0)	*/
			; SOURCE LINE # 107
	LCALL	L?0099
; 	col=0;
			; SOURCE LINE # 108
	CLR  	A
	MOV  	col,A
; 	row=15;
			; SOURCE LINE # 109
	MOV  	row,#0FH
; 	xy = 1;
			; SOURCE LINE # 110
; 	Linehv(192);		/*画一条横线(0,15)-(191,15)	*/
			; SOURCE LINE # 111
	LCALL	L?0099
; 	col=0;
			; SOURCE LINE # 112
	CLR  	A
	MOV  	col,A
; 	row=32;
			; SOURCE LINE # 113
	MOV  	row,#020H
; 	xy = 1;
			; SOURCE LINE # 114
; 	Linehv(192);		/*画一条横线(0,32)-(191,32)	*/
			; SOURCE LINE # 115
	LCALL	L?0100
; 	col=0;
			; SOURCE LINE # 116
	CLR  	A
	MOV  	col,A
; 	row=1;
			; SOURCE LINE # 117
	MOV  	row,#01H
; 	xy = 0;			/*方向标志。定为垂直方向	*/
			; SOURCE LINE # 118
	CLR  	xy
; 	Linehv(31);		/*画一条竖线(0,1)-(0,31)	*/
			; SOURCE LINE # 119
	MOV  	R7,#01FH
	LCALL	_Linehv
; 	col=191;
			; SOURCE LINE # 120
	MOV  	col,#0BFH
; 	row=1;
			; SOURCE LINE # 121
	MOV  	row,#01H
; 	xy = 0;
			; SOURCE LINE # 122
	CLR  	xy
; 	Linehv(31);		/*画一条竖线(191,1)-(191,31)	*/
			; SOURCE LINE # 123
	MOV  	R7,#01FH
	LCALL	_Linehv
; /*	col=0;			/*设定斜线的起点坐标		*/
; //	row=63;
; //	Linexy(44,31);		/*画一段斜线(0,63)-(44,31)	*/
; //	col=44;
; //	row=31;
; //	Linexy(190,62);		/*继续画斜线(44,31)-(191,63)	*/
; pp:	while(1){
			; SOURCE LINE # 130
?main?pp:
?C0002:
; 		Rollscreen(x);	/*定位新的显示起始行	*/
			; SOURCE LINE # 131
	MOV  	R7,x?040
	LCALL	_Rollscreen
; 		x++;x++;x++;
			; SOURCE LINE # 132
	INC  	x?040
	INC  	x?040
	INC  	x?040
; 		Delay(200);	/*延时，控制滚动速度	*/
			; SOURCE LINE # 133
	MOV  	R7,#0C8H
	LCALL	_Delay
; 		};
			; SOURCE LINE # 134
	SJMP 	?C0002
; END OF main

; 		goto pp;
; }
; 
; 
; /************************************************/
; /*画线。任意方向的斜线，不支持垂直的或水平线	*/
; /************************************************/
; 
; void Linexy(Uchar endx,Uchar endy)

	RSEG  ?PR?_Linexy?G19264
_Linexy:
	USING	0
			; SOURCE LINE # 143
;---- Variable 'endy?142' assigned to Register 'R5' ----
;---- Variable 'endx?141' assigned to Register 'R7' ----
; {
			; SOURCE LINE # 144
; 	register Uchar t;
; 	int xerr=0,yerr=0,delta_x,delta_y,distance;
			; SOURCE LINE # 146
	CLR  	A
	MOV  	xerr?144,A
	MOV  	xerr?144+01H,A
	MOV  	yerr?145,A
	MOV  	yerr?145+01H,A
; 	Uchar incx,incy;
; 
; /* 	compute the distance in both directions */
; 	delta_x=endx-col;
			; SOURCE LINE # 150
	MOV  	A,col
	MOV  	R3,A
	CLR  	C
	MOV  	A,R7
	SUBB 	A,R3
	MOV  	delta_x?146+01H,A
	CLR  	A
	SUBB 	A,#00H
	MOV  	delta_x?146,A
; 	delta_y=endy-row;
			; SOURCE LINE # 151
	CLR  	C
	MOV  	A,R5
	SUBB 	A,row
	MOV  	delta_y?147+01H,A
	CLR  	A
	SUBB 	A,#00H
	MOV  	delta_y?147,A
; 
; /* compute  the direction of the increment ,
; 	an increment of "0" means either a vertical or horizontal lines */
; 
; 	if(delta_x>0) incx=1;
			; SOURCE LINE # 156
	SETB 	C
	MOV  	A,delta_x?146+01H
	SUBB 	A,#00H
	MOV  	A,delta_x?146
	XRL  	A,#080H
	SUBB 	A,#080H
	JC   	?C0005
	MOV  	incx?149,#01H
	SJMP 	?C0006
?C0005:
; 	else if( delta_x==0 ) incx=0;
			; SOURCE LINE # 157
	MOV  	A,delta_x?146+01H
	ORL  	A,delta_x?146
	JNZ  	?C0007
	MOV  	incx?149,A
	SJMP 	?C0006
?C0007:
; 		else incx=-1;
			; SOURCE LINE # 158
	MOV  	incx?149,#0FFH
?C0006:
; 
; 
; 	if(delta_y>0) incy=1;
			; SOURCE LINE # 161
	SETB 	C
	MOV  	A,delta_y?147+01H
	SUBB 	A,#00H
	MOV  	A,delta_y?147
	XRL  	A,#080H
	SUBB 	A,#080H
	JC   	?C0009
	MOV  	incy?150,#01H
	SJMP 	?C0010
?C0009:
; 	else if( delta_y==0 ) incy=0;
			; SOURCE LINE # 162
	MOV  	A,delta_y?147+01H
	ORL  	A,delta_y?147
	JNZ  	?C0011
	MOV  	incy?150,A
	SJMP 	?C0010
?C0011:
; 		else incy=-1;
			; SOURCE LINE # 163
	MOV  	incy?150,#0FFH
?C0010:
; 
; /*  determine which distance is greater */
; 	delta_x = cabs( delta_x );
			; SOURCE LINE # 166
	MOV  	R7,delta_x?146+01H
	LCALL	_cabs
	MOV  	A,R7
	RLC  	A
	SUBB 	A,ACC
	MOV  	delta_x?146,A
	MOV  	delta_x?146+01H,R7
; 	delta_y = cabs( delta_y );
			; SOURCE LINE # 167
	MOV  	R7,delta_y?147+01H
	LCALL	_cabs
	MOV  	A,R7
	RLC  	A
	SUBB 	A,ACC
	MOV  	delta_y?147,A
	MOV  	delta_y?147+01H,R7
; 
; 	if( delta_x > delta_y ) distance=delta_x;
			; SOURCE LINE # 169
	SETB 	C
	MOV  	A,delta_x?146+01H
	SUBB 	A,delta_y?147+01H
	MOV  	A,delta_y?147
	XRL  	A,#080H
	MOV  	R0,A
	MOV  	A,delta_x?146
	XRL  	A,#080H
	SUBB 	A,R0
	JC   	?C0013
	MOV  	distance?148,delta_x?146
	MOV  	distance?148+01H,delta_x?146+01H
	SJMP 	?C0014
?C0013:
; 	else distance=delta_y;
			; SOURCE LINE # 170
	MOV  	distance?148,delta_y?147
	MOV  	distance?148+01H,delta_y?147+01H
?C0014:
; 
; /* draw the line */
; 	for( t=0;t <= distance+1; t++ ) {
			; SOURCE LINE # 173
	CLR  	A
	MOV  	t?143,A
?C0015:
	MOV  	A,distance?148+01H
	ADD  	A,#01H
	MOV  	R7,A
	CLR  	A
	ADDC 	A,distance?148
	MOV  	R6,A
	SETB 	C
	MOV  	A,t?143
	SUBB 	A,R7
	MOV  	A,R6
	XRL  	A,#080H
	MOV  	R0,A
	MOV  	A,#080H
	SUBB 	A,R0
	JNC  	?C0020
; 		point();
			; SOURCE LINE # 174
	LCALL	point
;  	   xerr += delta_x ;
			; SOURCE LINE # 175
	MOV  	A,delta_x?146+01H
	ADD  	A,xerr?144+01H
	MOV  	xerr?144+01H,A
	MOV  	A,delta_x?146
	ADDC 	A,xerr?144
	MOV  	xerr?144,A
; 		yerr += delta_y ;
			; SOURCE LINE # 176
	MOV  	A,delta_y?147+01H
	ADD  	A,yerr?145+01H
	MOV  	yerr?145+01H,A
	MOV  	A,delta_y?147
	ADDC 	A,yerr?145
	MOV  	yerr?145,A
; 		if( xerr > distance ) {
			; SOURCE LINE # 177
	SETB 	C
	MOV  	A,xerr?144+01H
	SUBB 	A,distance?148+01H
	MOV  	A,distance?148
	XRL  	A,#080H
	MOV  	R0,A
	MOV  	A,xerr?144
	XRL  	A,#080H
	SUBB 	A,R0
	JC   	?C0018
; 			xerr-=distance;
			; SOURCE LINE # 178
	MOV  	A,xerr?144+01H
	SUBB 	A,distance?148+01H
	MOV  	xerr?144+01H,A
	MOV  	A,xerr?144
	SUBB 	A,distance?148
	MOV  	xerr?144,A
;  		    col+=incx;
			; SOURCE LINE # 179
	MOV  	A,incx?149
	ADD  	A,col
	MOV  	col,A
; 		}
			; SOURCE LINE # 180
?C0018:
; 		if( yerr > distance ) {
			; SOURCE LINE # 181
	SETB 	C
	MOV  	A,yerr?145+01H
	SUBB 	A,distance?148+01H
	MOV  	A,distance?148
	XRL  	A,#080H
	MOV  	R0,A
	MOV  	A,yerr?145
	XRL  	A,#080H
	SUBB 	A,R0
	JC   	?C0017
; 			yerr-=distance;
			; SOURCE LINE # 182
	MOV  	A,yerr?145+01H
	SUBB 	A,distance?148+01H
	MOV  	yerr?145+01H,A
	MOV  	A,yerr?145
	SUBB 	A,distance?148
	MOV  	yerr?145,A
;  		    row+=incy;
			; SOURCE LINE # 183
	MOV  	A,incy?150
	ADD  	A,row
	MOV  	row,A
; 		}
			; SOURCE LINE # 184
; 
; 	}
			; SOURCE LINE # 186
?C0017:
	INC  	t?143
	SJMP 	?C0015
; }
			; SOURCE LINE # 187
?C0020:
	RET  	
; END OF _Linexy

; 
; /****************************************/
; /*画线。只提供X或Y方向的，不支持斜线	*/
; /****************************************/
; void Linehv(Uchar length)

	RSEG  ?PR?_Linehv?G19264
L?0099:
	USING	0
L?0100:
	SETB 	xy
	MOV  	R7,#0C0H
_Linehv:
	USING	0
			; SOURCE LINE # 192
	MOV  	length?251,R7
; 	{
			; SOURCE LINE # 193
; 		Uchar xs,ys;
; 		if (xy){ys = col;
			; SOURCE LINE # 195
	JNB  	xy,?C0021
	MOV  	ys?253,col
; 			for (xs=0;xs<length;xs++){
			; SOURCE LINE # 196
	CLR  	A
	MOV  	xs?252,A
?C0022:
	MOV  	A,xs?252
	CLR  	C
	SUBB 	A,length?251
	JNC  	?C0029
; 					col = ys + xs;
			; SOURCE LINE # 197
	MOV  	A,ys?253
	ADD  	A,xs?252
	MOV  	col,A
; 					point();}
			; SOURCE LINE # 198
	LCALL	point
	INC  	xs?252
	SJMP 	?C0022
; 				}
			; SOURCE LINE # 199
?C0021:
; 		else	{xs = row;
			; SOURCE LINE # 200
	MOV  	xs?252,row
; 			for (ys=0;ys<length;ys++){
			; SOURCE LINE # 201
	CLR  	A
	MOV  	ys?253,A
?C0026:
	MOV  	A,ys?253
	CLR  	C
	SUBB 	A,length?251
	JNC  	?C0029
; 					row = xs + ys;
			; SOURCE LINE # 202
	MOV  	A,xs?252
	ADD  	A,ys?253
	MOV  	row,A
; 					point();}
			; SOURCE LINE # 203
	LCALL	point
	INC  	ys?253
	SJMP 	?C0026
; 				}
			; SOURCE LINE # 204
; }
			; SOURCE LINE # 205
?C0029:
	RET  	
; END OF _Linehv

; 
; /****************************************/
; /*	画点				*/
; /****************************************/
; 
; void point(void)

	RSEG  ?PR?point?G19264
point:
	USING	0
			; SOURCE LINE # 211
; 	{
			; SOURCE LINE # 212
; 		Uchar	x1,y1,x,y;
; 		x1=col;			//列缓存
			; SOURCE LINE # 214
	MOV  	x1?354,col
; 		y1=row;			//行缓存
			; SOURCE LINE # 215
	MOV  	y1?355,row
; 		row=y1>>3;		/*取Y方向分页地址	*/
			; SOURCE LINE # 216
	MOV  	A,y1?355
	RRC  	A
	RRC  	A
	RRC  	A
	ANL  	A,#01FH
	MOV  	row,A
; 		Rddata();		//从液晶片上读数据，存于cbyte全局变量中
			; SOURCE LINE # 217
	LCALL	Rddata
; 		y=y1&0x07;		/*字节内位置计算	*/
			; SOURCE LINE # 218
	MOV  	A,y1?355
	ANL  	A,#07H
	MOV  	R7,A
;---- Variable 'y?357' assigned to Register 'R7' ----
; 		x=0x01;
			; SOURCE LINE # 219
;---- Variable 'x?356' assigned to Register 'R6' ----
	MOV  	R6,#01H
; 		x=x<<y;			/*移入所画点		*/
			; SOURCE LINE # 220
	MOV  	A,R6
	MOV  	R0,AR7
	INC  	R0
	SJMP 	?C0092
?C0091:
	CLR  	C
	RLC  	A
?C0092:
	DJNZ 	R0,?C0091
	MOV  	R6,A
; 		Wrdata(cbyte|x);	/*画上屏幕		*/
			; SOURCE LINE # 221
	ORL  	A,cbyte
	MOV  	R7,A
	LCALL	_Wrdata
; 		col=x1;			/*恢复xy坐标		*/
			; SOURCE LINE # 222
	MOV  	col,x1?354
; 		row=y1;
			; SOURCE LINE # 223
	MOV  	row,y1?355
; 	}
			; SOURCE LINE # 224
	RET  	
; END OF point

; 
; /****************************************/
; /*		 	屏幕滚动定位 	            */
; /****************************************/
; void Rollscreen(Uchar x)

	RSEG  ?PR?_Rollscreen?G19264
_Rollscreen:
	USING	0
			; SOURCE LINE # 229
;---- Variable 'x?458' assigned to Register 'R7' ----
; 	{
			; SOURCE LINE # 230
; 		cbyte = DISPFIRST|x;	/*定义显示起始行为x
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