?? 4.asm
字號:
MOV A, #0A0H
SJMP L0A67H
RET
;**************CMMUNICATION OVER***************
;**************MULTITY 10->16
L0A8CH:
MOV A, R3
LCALL L0AA0H
MOV R3, A
MOV A, R2
LCALL L0AA0H
MOV 0F0H, #64H
MUL AB
ADD A, R3
MOV R3, A
CLR A
ADDC A, 0F0H
MOV R2, A
RET
L0AA0H:
MOV 0F0H, #10H
DIV AB
MOV R4, 0F0H
MOV 0F0H, #0AH
MUL AB
ADD A, R4
RET
L0AACH:
CLR A
MOV R3, A
MOV R4, A
MOV R5, A
MOV R2, #10H
L0AB2H:
MOV A, R7
RLC A
MOV R7, A
MOV A, R6
RLC A
MOV R6, A
MOV A, R5
ADDC A, R5
DA A
MOV R5, A
MOV A, R4
ADDC A, R4
DA A
MOV R4, A
MOV A, R3
ADDC A, R3
MOV R3, A
DJNZ R2, L0AB2H
RET
L0AC6H:
MOV A, R3
MOV 0F0H, R7
MUL AB
MOV R4, 0F0H
MOV R5, A
MOV A, R3
MOV 0F0H, R6
MUL AB
ADD A, R4
MOV R4, A
CLR A
ADDC A, 0F0H
MOV R3, A
MOV A, R2
MOV 0F0H, R7
MUL AB
ADD A, R4
MOV R4, A
MOV A, R3
ADDC A, 0F0H
MOV R3, A
CLR A
RLC A
XCH A, R2
MOV 0F0H, R6
MUL AB
ADD A, R3
MOV R3, A
MOV A, R2
ADDC A, 0F0H
MOV R2, A
RET
L0AEEH:
CLR C
MOV A, R3
SUBB A, R7
MOV A, R2
SUBB A, R6
JC L0AF8H
SETB OV
RET
L0AF8H:
DB 75H
L0AF9H:
MOVX @DPTR, A
DB 10H
L0AFBH:
CLR C
MOV A, R5
RLC A
MOV R5, A
MOV A, R4
RLC A
MOV R4, A
MOV A, R3
RLC A
MOV R3, A
XCH A, R2
RLC A
XCH A, R2
MOV F0, C
CLR C
SUBB A, R7
MOV R1, A
MOV A, R2
SUBB A, R6
ANL C, /F0
JC L0B17H
MOV R2, A
MOV A, R1
MOV R3, A
INC R5
L0B17H:
DJNZ B, L0AFBH
MOV A, R4
MOV R2, A
MOV A, R5
MOV R3, A
CLR OV
RET
;******************10->16 OVER ************************
TABLE:
DB 0AH,3FH,0A8H,29H,1DH,49H,48H,2FH,08H,09H,0CCH,0EH,0FDH,0DCH, 3DH,8CH
; 0 1 2 3 4 5 6 7 8 9 F n - |- -|, P
;序：cbfahdge
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