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4.3.4单字节十六进制小数转换成单字节bcd码小数.txt
HBD:
MOV B,#100
MUL AB
RLC A
CLR A
ADDC A,B
MOV B,#10
DIV AB
SWAP A
ADD A,B
DA A
RET
4.4.5双字节bcd码小数转换成双字节十六进制小数.txt
BHD2:
MOV R6,#10H
BHD3:
MOV A,R5
ADD A,R5
DA A
MOV R5,A
MOV A,R4
ADDC A,R4
DA A
MOV R4,A
MOV A,R3
RLC A
MOV R3,A
MOV A,R2
RLC A
MOV R2,A
DJN
4.5 bcd码到ascii码转换实例.txt
BCDTOASC
MOV R0,#20H
MOV R1,#10H
MOV R2,#05H
ACALL BCDASC
LOOP0:
SJMP LOOP0
BCDASC:
MOV R1,#10H
MOV R6,#0AH
LOOP1:
MOV @R1,#00H
INC R1
DJNZ R6,LOOP1
LOOP2:
4.4.1单字节整数转换.txt
BCDHEX:
MOV B,#10H
DIV AB
MOV R4,B
MOV B,#10
MUL AB
ADD A,R4
RET
4.3.2双字节整数转换.txt
HEXTOBCDD:
CLR A
MOV R3,A
MOV R4,A
MOV R5,A
MOV R2,#10H
HB3:
MOV A,R7
RLC A
MOV R7,A
MOV A,R6
RLC A
MOV R6,A
MOV A,R5
ADDC A,R5
DA
4.8.2 9位格雷码转换为二进制数.txt
GTOB9:
MOV R4,#8
RLC A
GB90:
JNB ACC.0,GB91
CPL C
GB91:
RLC A
DJNZ R4,GB90
RET
4.4.2双字节整数转换.txt
DBCDHEX:
MOV A,R3
LCALL BCDH
MOV R3,A
MOV A,R2
LCALL BCDH
MOV B,#100
MUL AB
ADD A,R3
MOV R3,A
CLR A
ADDC A,B
MOV R2,A
RET
4.1.1一位十六进制数转换为ascii码.txt
HEXTOASC1:
MOV A,@R0
ANL A,#0FH
ADD A,#03H
MOVC A,@A+PC
XCH A,@R0
INC R0
RET
4.4.4小数转换.txt
BHD:
MOV R2,#8
BHD0:
ADD A,ACC
DA A
XCH A,R3
RLC A
XCH A,R3
DJNZ R2,BHD0
ADD A,#0B0H
JNC BHD1
INC R3
BHD1:
MOV A,R3
RET
4.4.3多字节整数转换.txt
DBCMHEX:
CLR A
MOV 20H,A
MOV 21H,A
MOV 22H,A
MOV 23H,A
LOOP0:
CLR C
MOV A,@R0
RRC A
PUSH PSW
JNB ACC3,LOOP1
CLR C
SUBB A,#03H
LOOP1:
JNB ACC7,LOOP2
CLR C
SU