ORG 0000H AJMP MAIN ORG 0031H MAIN: MOV SP,#40H; 缓存首地址 MOV P0,#00H; 初始化行 MOV P1,#00H; 初始化块 MOV P2,#00H; 初始化列 MOV A,#00H; 初始化暂存器 MOV R0,#00H; 初始化数据指针 DAA: MOV A,R0; MOV DPTR,#HTABLE MOVC A,@A+DPTR; 对行数据缓存 MOV DPTR,#TABLE; 对行数据进行解码 MOVC A,@A+DPTR; MOV 20H,A; 解码后的行数据进入行缓存器 MOV A,R0 MOV DPTR,#LTABLE MOVC A,@A+DPTR; 对列数据缓存 MOV DPTR,#TABLE MOVC A,@A+DPTR; 解码列数据 MOV 21H,A; 解码后的列数据进入行缓存器 MOV A,R0 MOV DPTR,#ZTABLE MOVC A,@A+DPTR; 对块数据缓存 MOV DPTR,#TABLE MOVC A,@A+DPTR; 解码块数据 MOV 22H,A; 解码后的列数据进入行缓存器 ACALL AAA; 执 行行列块扫描 INC R0; 下一数据做准备 CJNE R0,#05H,DAA; 数据是否超值 MOV R0,#00H; 超值重新复位数据 SJMP DAA; 对下一数据进行操作 * ******************************************************************************************************************************************************以下为行列块定义·扫描·以及解码，行列块数据。*中得内容以及“*”将不出现在汇编编译器。 ********************************************************************************************************************************************************* H1 BIT 00H H2 BIT 01H H3 BIT 02H L1 BIT 08H L2 BIT 09H L3 BIT 0AH Z1 BIT 10H Z2 BIT 11H Z3 BIT 12H AAA:JB H1,AAB JB H2,AAC JB H3,AADAAE: RETAAB:MOV P0,20H; ACALL BAA SJMP AAEAAC:MOV P0,20H; ACALL BAA SJMP AAEAAD:MOV P0,20H; ACALL BAA SJMP AAEBAA:JB L1,BAB JB L2,BAC JB l3,BADBAE: RETBAB:MOV P2,21H; ACALL CAA SJMP BAEBAC:MOV P2,21H; ACALL CAA SJMP BAEBAD:MOV P2,21H; ACALL CAA SJMP BAE CAA:JB z1,CAB JB Z2,CAC JB Z3,CAD RETCAB:MOV P1,22H; RETCAC:MOV P1,22H; RETCAD:MOV P1,22H; RETTABLE:DB 00H, 01H,02H,04H,08H,10H,20H,40H,80H; 解码翻译HTABLE :DB 01H,02H,01H,01H,01H,03H------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------（省略N个行特征码）; 行特征码 LTABLE :DB 01H,01H,03H,02H,02H,01H ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------（省略N个列特征码）; ZTABLE :DB 01H,03H,02H,03H,03,02H ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------（省略N个块特征码）; 块特征码end