VTech Alphabert s Magic Readport User Manual download pdf (Page 51)

BM Dept., Govt. Engg. College, Gandhinagar Page 51

MOV A,37H ;Convert the number stored at 37h into ASCII

ACALL HEXASCI

ACALL DISP_DATA ; Display ASCII code of number at LCD

MOV A,36H

ACALL HEXASCI

ACALL DISP_DATA

MOV A,35H

ACALL HEXASCI

ACALL DISP_DATA

MOV A,34H

ACALL HEXASCI

ACALL DISP_DATA

MOV A,33H

ACALL HEXASCI

ACALL DISP_DATA

AJMP LOOP

HEXASCI:

ADD A,#36H

JNB PSW.6,SKIP

ADD A,#07H

SKIP: SUBB A,#06H

RET

HEXBCD:

MOV 35h,#0

MOV 36h,#0

MOV 37h,#0

MOV A,30h

MOV B,#10

DIV AB

MOV 33h,B

MOV 34h,A

MOV A,31h

JZ GO_NEXT

MOV B,#10

DIV AB

MOV 35h,B

MOV 36h,A

; Value in 35h is 256 times higher than value standing in 33h, 34h. Mply 35h with 6,

; add to 33h, mply 35h with 5, add to 34h, mply 35h with 2 and replace itself in 35h

MOV R0,#35h ; Point to 35h

ACALL TRANSF ; Transform 35h to 3 lower position

INC R0 ; Repeat from 36h, now all registers are 1 higher

ACALL TRANSF ; Transform 36h to 3 higher positions

GO_NEXT:

MOV R0,#33h ; Point to lowest digit i.e. first digit

ACALL DECADJ

RET

TRANSF:

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 79 80

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VTech Alphabert s Magic Readport User Manual Page 51

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