splc501driver_io.lst

此程序为出租车计价器

Sunplus u'nSP Assembler - Ver. 1.10.0
              Listing File Has Been Relocated
                            	//***************************************************************************//
                            	//文件描述：SPLC501底层驱动程序，主要包括对液晶的IO口初始化、写指令、写数据、
                            	//读数据，以及西文ASCII表数据
                            	//声明：	小丑	20050518	Sunnorth	Mz Design
                            	//
                            	//
                            	//***************************************************************************//
                            	.include SPLC501Driver_IO.inc
                     <      	.DEFINE	P_IOA_Data   		0x7000         // Write Data into data register and read from IOA pad
                     <      	.DEFINE P_IOA_Buffer        0x7001         // Write Data into buffer register and read from buffer register
                     <      	.DEFINE P_IOA_Dir           0x7002         // Direction vector for IOA
                     <      	.DEFINE P_IOA_Attrib        0x7003         // Attribute vector for IOA
                     <      	.DEFINE P_IOA_Latch         0x7004         // Latch PortA data for key change wake-up
                     <      	
                     <      	.DEFINE P_IOB_Data         	0x7005         // Write Data into the data register and read from IOB pad
                     <      	.DEFINE P_IOB_Buffer        0x7006         // Write Data into buffer register and read from buffer register
                     <      	.DEFINE P_IOB_Dir           0x7007         // Direction vector for IOB
                     <      	.DEFINE P_IOB_Attrib        0x7008         // Attribute vector for IOB
                     <      	//端口需要改动时需要修改以下定义
                     <      	
                     <      	.define	DATA_PORT_HIGHT	0x00			//数据口输出高八位定义，若数据接口为IO端口的高八位，则不屏蔽
                     <      	.define	M_IO_DATA_MASK	0xff00			//若数据口为高八位，则定义值为0xff00
                     <      	
                     <      	.define M_IO_EP			0x0020			//EP与SPCE061A的接口定义
                     <      	.define	M_IO_RW			0x0010			//RW与SPCE061A的接口定义
                     <      	.define	M_IO_AO			0x0008			//AO与SPCE061A的接口定义
                     <      	//.define	M_IO_CS			0x8000			//CS与SPCE061A的接口定义
                     <      	//数据端口定义
                     <      	.define	P_IO_Data_D		P_IOA_Data
                     <      	.define	P_IO_Data_A		P_IOA_Attrib
                     <      	.define	P_IO_Data_Di	P_IOA_Dir
                     <      	.define P_IO_Data_B		P_IOA_Buffer
                     <      	//控制端口定义
                     <      	.define	P_IO_Ctrl_D		P_IOB_Data
                     <      	.define	P_IO_Ctrl_A		P_IOB_Attrib
                     <      	.define	P_IO_Ctrl_Di	P_IOB_Dir
                     <      	.define P_IO_Ctrl_B		P_IOB_Buffer
                     <      	//.....end端口修改即修订到前面即可
                     <      	.define	P_IO_Data		P_IO_Data_D
                     <      	.define	P_IO_Ctrl		P_IO_Ctrl_D
00000000                    	.ram
0000B0C3                    	.code
                            	//***************************************************************************//
                            	//程序：F_SPLC501_Initial_IO()
                            	//描述：SPLC501接口的初始化程序  C语言调用，汇编语言调用  
                            	//参数：无
                            	//声明：小丑	20050518	sunnorth  Mz Design
                            	//注意：破坏R1寄存器，保护R1
                            	//***************************************************************************//
                            	.public _F_SPLC501_Initial_IO
                            	_F_SPLC501_Initial_IO:
                            	F_SPLC501_Initial_IO:
0000B0C3 88 D2              			push	r1 to [sp]
0000B0C4 11 93 02 70        			r1 = [P_IO_Data_Di]
0000B0C6 09 A3 00 FF        			r1 |= M_IO_DATA_MASK
0000B0C8 19 D3 02 70        			[P_IO_Data_Di] = r1
0000B0CA 11 93 03 70        			r1 = [P_IO_Data_A]
0000B0CC 09 A3 00 FF        			r1 |= M_IO_DATA_MASK
0000B0CE 19 D3 03 70        			[P_IO_Data_A] = r1
0000B0D0 11 93 01 70        			r1 = [P_IO_Data_B]
0000B0D2 09 A3 00 FF        			r1 |= M_IO_DATA_MASK
0000B0D4 19 D3 00 70        			[P_IO_Data_D] = r1
                            			
0000B0D6 11 93 07 70        			r1 = [P_IO_Ctrl_Di]
                            	//		r1 |= (M_IO_EP+M_IO_AO+M_IO_RW+M_IO_CS)
0000B0D8 78 A2              			r1 |= (M_IO_EP+M_IO_AO+M_IO_RW)
0000B0D9 19 D3 07 70        			[P_IO_Ctrl_Di] = r1
0000B0DB 11 93 08 70        			r1 = [P_IO_Ctrl_A]
                            	//		r1 |= (M_IO_EP+M_IO_AO+M_IO_RW+M_IO_CS)
0000B0DD 78 A2              			r1 |= (M_IO_EP+M_IO_AO+M_IO_RW)
0000B0DE 19 D3 08 70        			[P_IO_Ctrl_A] = r1
0000B0E0 11 93 06 70        			r1 = [P_IO_Ctrl_B]
                            	//		r1 &= ~(M_IO_EP+M_IO_AO+M_IO_RW+M_IO_CS)
0000B0E2 09 B3 C7 FF        			r1 &= ~(M_IO_EP+M_IO_AO+M_IO_RW)
0000B0E4 19 D3 05 70        			[P_IO_Ctrl_D] = r1
0000B0E6 88 90              			pop		r1 from [sp]
0000B0E7 90 9A              			retf
                            	//***************************************************************************//
                            	//程序：F_SPLC501_Write_Com()
                            	//描述：往SPLC501里写一个字节指令  C语言调用，汇编语言调用  
                            	//参数：r1送入要传送的指令
                            	//声明：小丑	20050518	sunnorth  Mz Design
                            	//注意：破坏R1寄存器，保护R2、R5寄存器
                            	//***************************************************************************//
                            	.public	_F_SPLC501_Write_Com
                            	_F_SPLC501_Write_Com:
                            	F_SPLC501_Write_Com:
0000B0E8 90 D6              		push	r2,r3 to [sp]
0000B0E9 88 DA              		push	r5 to [sp]
                            		
0000B0EA 12 95 06 70        		r2 = [P_IO_Ctrl_B]				//得到IOB口的状态
                            	//	r2 &= ~(M_IO_EP+M_IO_CS)		//EP CS to Low 20050613 Edit by xinqiang			
0000B0EC 0A B5 DF FF        		r2 &= ~M_IO_EP					//EP CS to Low 20050613 Edit by xinqiang			
0000B0EE 1A D5 06 70        		[P_IO_Ctrl_B] = r2 				//EP Low
0000B0F0 12 95 06 70        		r2 = [P_IO_Ctrl_B]
0000B0F2 0A B5 E7 FF        		r2 &= ~(M_IO_AO+M_IO_RW)	
0000B0F4 1A D5 06 70        		[P_IO_Ctrl_B] = r2				//AO RW Low
                            		
                            	.ifdef DATA_PORT_HIGHT
0000B0F6 59 93              		r1 = r1 lsl 4
0000B0F7 59 93              		r1 = r1 lsl 4
                            	.endif
                            		
0000B0F8 13 97 01 70        		r3 = [P_IO_Data_B]
0000B0FA 0B B7 FF 00        		r3 &= ~M_IO_DATA_MASK 
0000B0FC 09 B3 00 FF        		r1 &= M_IO_DATA_MASK					//Get Low Data Command
0000B0FE 03 03              		r1 = r1+r3
0000B0FF 19 D3 00 70        		[P_IO_Data]	= r1				//往数据口送数据
0000B101 00 EE              		nop
                            		
0000B102 60 A4              		r2 |= M_IO_EP					//EP to Hight
0000B103 1A D5 05 70        		[P_IO_Ctrl]	= r2
0000B105 00 EE              		nop
0000B106 0A B5 DF FF        		r2 &= ~M_IO_EP					//EP to Low
                            	//	r2 |= M_IO_CS					//CS to hight		20050613 Edit by xinqiang
0000B108 1A D5 05 70        		[P_IO_Ctrl] = r2
                            		
0000B10A 88 98              		pop		r5 from [sp]
0000B10B 90 92              		pop		r2,r3 from [sp]
0000B10C 90 9A              		retf
                            		
                            	//***************************************************************************//
                            	//程序：F_SPLC501_Write_Data()
                            	//描述：往SPLC501里写一个字节数据  C语言调用，汇编语言调用  
                            	//参数：r1送入要传送的数据
                            	//声明：小丑	20050518	sunnorth  Mz Design
                            	//注意：破坏R1寄存器，保护R2、R5寄存器
                            	//***************************************************************************//
                            	.public _F_SPLC501_Write_Data
                            	_F_SPLC501_Write_Data:
                            	F_SPLC501_Write_Data:
0000B10D 88 D4              		push	r2 to [sp]
                            		
0000B10E 12 95 06 70        		r2 = [P_IO_Ctrl_B]				//得到IOB口的状态
                            	//	r2 &= ~(M_IO_EP+M_IO_CS)		//EP CS to Low	20050613 Editby xinqiang					
0000B110 0A B5 DF FF        		r2 &= ~M_IO_EP					//EP CS to Low	20050613 Editby xinqiang					
0000B112 1A D5 06 70        		[P_IO_Ctrl_B] = r2 				//EP Low
0000B114 12 95 06 70        		r2 = [P_IO_Ctrl_B]
0000B116 48 A4              		r2 |= M_IO_AO
0000B117 0A B5 EF FF        		r2 &= ~(M_IO_RW)	
0000B119 1A D5 06 70        		[P_IO_Ctrl_B] = r2				//AO Hight, RW Low
                            		
                            	.ifdef DATA_PORT_HIGHT
0000B11B 59 93              		r1 = r1 lsl 4
0000B11C 59 93              		r1 = r1 lsl 4
                            	.endif
                            		
0000B11D 13 97 01 70        		r3 = [P_IO_Data_B]
0000B11F 0B B7 FF 00        		r3 &= ~M_IO_DATA_MASK 
0000B121 09 B3 00 FF        		r1 &= M_IO_DATA_MASK					//Get Low Data Command
0000B123 03 03              		r1 = r1+r3
0000B124 19 D3 00 70        		[P_IO_Data]	= r1				//往数据口送数据
0000B126 00 EE              		nop
                            		
0000B127 60 A4              		r2 |= M_IO_EP					//EP to Hight
0000B128 1A D5 05 70        		[P_IO_Ctrl]	= r2
0000B12A 00 EE              		nop
0000B12B 0A B5 DF FF        		r2 &= ~M_IO_EP					//EP to Low
                            	//	r2 |= M_IO_CS					//CS to Hight  20050613 Editby xinqiag
0000B12D 1A D5 05 70        		[P_IO_Ctrl] = r2	
                            		
0000B12F 88 92              		pop		r2 from [sp]
0000B130 90 9A              		retf
                            		
                            	//***************************************************************************//
                            	//程序：F_SPLC501_Read_Data()
                            	//描述：从SPLC501里读一个字节数据  C语言调用，汇编语言调用  
                            	//参数：r1输出传送的数据
                            	//声明：小丑	20050518	sunnorth  Mz Design
                            	//注意：破坏R1寄存器，保护R2、R5寄存器
                            	//***************************************************************************//