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,AAD
AAE: RET
AAB:MOV P0,20H;
ACALL BAA
SJMP AAE
AAC:MOV P0,20H;
ACALL BAA
SJMP AAE
AAD:MOV P0,20H;
ACALL BAA
SJMP AAE
BAA:JB L1,BAB
JB L2,BAC
JB l3,BAD
BAE: RET
BAB:MOV P2,21H;
ACALL CAA
SJMP BAE
BAC:MOV P2,21H;
ACALL CAA
SJMP BAE
BAD:MOV P2,21H;
ACALL CAA
SJMP BAE
CAA:JB z1,CAB
JB Z2,CAC
JB Z3,CAD
RET
CAB:MOV P1,22H;
RET
CAC:MOV P1,22H;
RET
CAD:MOV P1,22H;
RET
TABLE: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
