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3.2.3多字节减法.txt
MBCDB:
LCALL NEG1
LCALL MBCDADD
CPL C
MOV F0,C
LCALL NEG1
MOV C,F0
RET
NEG1:
MOV A,R0
XCH A,R1
XCH A,R0
LCALL NEG
MOV A,R0
XCH A,R1
3.1.2双字节加法.txt
DBCDA:
MOV R2,#2
ADD A,R0
MOV R0,A
MOV A,R2
ADD A,R1
MOV R1,A
CLR C
BCD0:
DEC R0
DEC R1
MOV A,@R0
ADDC A,@R1
DA A
MOV @R0,A
DJNZ R2,BCD0
3.5.1单字节开方.txt
SSQRT:
MOV R1,#81H
MOV R2,#01H
MOV A,R1
MOV R6,A
MOV A,R2
ADD A,R2
DA A
MOV R0,A
MOV A,#9AH
SUBB A,#01H
ADD A,R0
DA A
CPL C
MOV R5,A
MOV A,#9AH
SUBB A,R5
ADD A,R
3.5.3多字节开方.txt
TSQRT:
CLR A
MOV R0,A
MOV R6,A
MOV R7,A
MOV R1,#06H
MOV R2,80H
MOV R3,00H
LOOP:
CLR C
MOV R4,#01H
MOV R5,#00H
LOOP1:
MOV A,R4
ADD A,R4
DA A
MOV R6,A
M
3.1.3多字节加法.txt
MBCDA:
MOV A,R7
MOV R2,A
ADD A,R0
MOV R0,A
MOV A,R2
ADD A,R1
MOV R1,A
CLR C
BCD1:
DEC R0
DEC R1
MOV A,@R0
ADDC A,@R1
DA A
MOV @R0,A
3.2.2双字节减法.txt
DBCDB:
CLR F0
MOV R0,#7
ACALL NEGP0
JC BSBRT
MOV A,R4
ADD A,R7
DA A
MOV R4,A
MOV A,R3
ADDC A,R6
DA A
MOV R3,A
MOV A,R2
ADDC A,R5
DA A
MOV R2,A
JC