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1. *2. write an ALP to ADD two 8-bit numbers.
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV A, #09H
ADD A, #06H
RET
RESULT: A= OFH
2 write an ALP to SUBB two 8-bit numbers.
CPU8051.TBL
HOFINT8
ORG 6000H
MOV A, #09H
SUBB A,#05H
RET
RESULT: A= 04H
3 WRITE AN ALP TO MULTIPLY TWO 8 BIT NUMBERS
CPU8051.TBL
HOFINT8
ORG 6000HMOV A, #03H
MOV 0F0H, #03H
MUL AB
RET
RESULT A= O94 WRITE AN ALP TO DIVIDE TWO 8 BIT NUMBERS
CPU8051.TBL
HOFINT8
ORG 6000H
MOV A,#09H
MOV 0F0H,#03H
DIV AB
RET
RESULT :
A =03H
5 write an ALP to ADD two 16-bit numbers.
CPU 8051.TBL
HOFINT8
ORG 6000H
CLR C
MOV A, #17H
ADD A, #12H
MOV R0,A
MOV A,#15H
ADD A,#13H
MOV R1,A
RET
RESULT :R1 = 28
R0 = 29
6 write an ALP to SUBB two 16-bit numbers.
CPU 8051.TBL
HOFINT8
ORG 6000H
CLR C
MOV A, #17H
SUBB A, #12H
MOV R0,A
MOV A,#15H
SUBB A,#13H
MOV R1,A
RET
RESULT : R1 = 02
R0 = 05
7 write an ALP to add the BCD numbers
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV A, #06H
ADD A, #06HDAA
MOV R1, A
RET
8 write an ALP to Interchange the Adjacent bits
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV A, 30H
ANL A, #0AAH
RRA
MOV R0,A
MOV A, 30H
ANL A, #55H
RLA
ADD A,R0
MOV 31H, A
RET
9 write an ALP to move a block of data from RAM location to
external location
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R0, #30H
MOV R1,#05H
MOV DPTR, #7000H
UP: MOV A, @R0
MOVX @DPTR, A
INC R0
INC DPTR
DEC R1
JNZ UP
RET
10 write an ALP to move a block of data from internal RAM
location tointernal another RAM location
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R0, #20H
MOV R1,#30H
MOV R2, #0AH
UP: MOV A, @R0
MOV @R1, A
INC R0
INC R1
DJNZ R2,UP
RET
11 write an ALP to interchange a block of data from one memory
locationto another memory location.CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R0, #06H
MOV R1,#30H
MOV DPTR, #5000H
Up:MOV A,@R1
MOV 0F0H,A
MOVX A ,@DPTR
MOV @R1,A
MOV A,0F0H
MOVX @DPTR,A
INC R1
INC DPTR
DJNZ R0,UP
RET
8 BIT ADDITION WITH CARRY.
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R0,#00HMOV A, #98H
ADDC A, #0F4H
MOV R1,A
JNC AHEAD
MOV R0,#01H
AHEAD: RET
ADDITION OF 16 BIT WITH CARRYCPU 8051.TBL
HOFINT8
ORG 6000H
MOV RO, #00H
MOV A, #98H
ADDC A, #0F4H
MOV R1,A
MOV A, #98HADDC A,#0F4H
JNC AHEAD
INC R0
AHEAD:MOV R2,A
RET
9 write an ALP to to find the factorial of a numberCPU
8051.TBL
HOF INT8
ORG 6000H
MOV A,#01H
MOV R2,30HUP: MOV 0F0H,R2
MUL AB
DJNZ R2,UP
MOV 31H,A
RET
18 write an ALP to to convert unpacked bcd to pack bcd
CPU 8051.TBL
HOF INT8
ORG 6000H
MOV DPTR,#5500H
MOVX A, @DPTR
SWAP A
MOV R3,A
INC DPTR
MOVX A, @DPTR
ADD A,R3
MOV DPTR, #7000H
MOVX @DPTR,A
RET
write an ALP to to convert packed bcd to unpack bcd
CPU 8051.TBL
HOF INT8
ORG 6000H
MOV DPTR, #6500HMOVX A, @DPTR
MOV R3,A
ANL A, #0FH
MOV R6,A
MOV A,R3
ANL A, #OFOH
SWAP A
MOV DPTR, #5000HMOVX @DPTR,A
MOV A, R6
INC DPTR
MOVX @DPTR, A
RET
ADDITION OF TWO 8 BIT BCD NUMBERS.
CPU 8051.TBLHOFINT8ORG 6000HMOV A, #06HADD A, #04HDAAMOV
R1,ARET
11. write an ALP to to add multiple byte numbers.
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R2, #07H
MOV R0,#20HMOV R1,#30H
MOV DPTR, #5000H
UP : MOV A, @R0ADDC A, @R1
MOVX @DPTR, A
INC R0
INC R1
INC DPTR
DJNZ R2,UP
RET
11 write an ALP to find the average of N numbersCPU 8051.TBL
HOFINT8
ORG 6000HMOV 0F0H,#05H
MOV R3,#05H
MOV R0,#30H
CLR A
UP: ADD A, @R0
INC R0
DJNZ R3,UP
DIV AB
MOV R1,A
RET
write an ALP to interchange a block of data from one Int.memory
location to another int.memory location.CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R0, #20H
MOV R1,#30H
MOV R2, #05H
UP: MOV A, @R0
XCH A,@R1
MOV @R0,A
INC R0
INC R1
DJNZ R2,UP
RET
WRITE AN ALP TO COUNT MULTIPLES OF 4 FROM GIVEN ARRAY CPU
8051.TBL
HOFINT8
ORG 6000H
MOV R3,#08HMOV R0,#20H
MOV R1,#00H
UP:MOV A,@R0
MOV 0F0H,#04H
DIV AB
MOV A,0F0H
CJNE A,#00H, DOWN
INC R1
DOWN:INC R0
DJNZ R3,UP
MOV 30H,R1
RET
WRITE AN ALP TO FIND VALUE OF THE EXPRESSION X=(A+B)(A-B)
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R1,#20H
MOV R2,#10H
MOV A,R1
ADD A,R2
MOV 0F0H,A
MOV A,R1
SUBB A,R2
MUL AB
RET
WRITE AN ALP TO FIND VALUE OF THE EXPRESSION w=x-yz+x/z
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R2,#09HMOV R3,#04H
MOV R4,#03H
MOV A,R2
MOV 0F0H,A
MUL AB
MOV R5,A
MOV A,R3
MOV 0F0H,A
MOV A,R4
MUL AB
MOV R6,A
MOV A,R4
MOV 0F0H,A
MOV A,R2
DIV AB
ADD A,R5
SUBB A,R6
MOV R7,A
RET
WRITE AN ALP TO FIND 2S and 1S COMPLEMENT OF A NUMBER CPU
8051.TBL
HOFINT8
ORG 6000H
MOV 0D0H,#00H
MOV R0,#20H
MOV A,@R0
CPL A
ADD A,#01H
MOV 30H,A
INC R0
MOV A,@R0
CPL A
ADDC A,#00H
MOV 31H,A
RETWRITE AN ALP TO ARRANGE THE GIVEN SERIES OF N-BIT NO. IN
DESCENDING ORDER
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R0,#05H
AGAIN:MOV DPTR,#5000H
MOV R1,#05H
BACK:MOV R2,82H
MOVX A,@DPTR
MOV 0F0H,A
INC DPTR
MOVX A,@DPTR
MOV 30H,0F0H
CJNE A,30H,DOWN
AJMP SKIP
DOWN:JC SKIP
MOV 82H,R2
MOVX @DPTR,A
INC DPTR
MOV A,0F0H
MOVX @DPTR,A
SKIP:DJNZ R1,BACK
DJNZ R0,AGAIN
RET
WRITE AN ALP TO ARRANGE THE GIVEN SERIES OF N-BIT NO. IN
ASCENDING ORDER
CPU 8051.TBL
HOFINT8
ORG 6000H
MOV R0,#05H
AGAIN:MOV DPTR,#5000H
MOV R1,#05H
BACK:MOV R2,82H
MOVX A,@DPTR
MOV 0F0H,A
INC DPTR
MOVX A,@DPTR
MOV 30H,0F0H
CJNE A,30H,DOWN
AJMP SKIP
DOWN:JNC SKIP
MOV 82H,R2
MOVX @DPTR,A
INC DPTR
MOV A,0F0H
MOVX @DPTR,A
SKIP:DJNZ R1,BACK
DJNZ R0,AGAIN
RET
Write an ALP to convert ASCII to BCD
CPU"8051.TBL"
HOF"INT8"
ORG 6000H
MOV DPTR,#5000H
MOVX A,@DPTR
CLRC
SUBB A,#30H
INC DPTR
MOVX @DPTR,A
RET
INPUT DATA 5000H 38H
RESULT 5001H 08HWrite an ALP to perform logical operations
AND
CPU"8051.TBL"
HOF"INT8"
ORG 6000H
MOV DPTR, #5000H
MOV A, #32H
MOV R0, #30H
ANL A, R0
MOVX @DPTR,A
RET
Write an ALP to perform logical operations OR
CPU"8051.TBL"
HOF"INT8"
ORG 6000H
MOV DPTR, #5000H
MOV A, #32H
MOV R0, #30H
ORL A, R0
MOVX @DPTR,A
RET
WRITE AN ALP TO COUNT LOGICAL 1s AND 0s CPU 8051.TBL
HOFINT8
ORG 6000HMOV R2,#00H
MOV R3,#00H
MOV R1,#08H
MOV R0,#30H
MOV A,@R0
UP:RRC A
JC DOWN
INC R3
AJMP LAST
DOWN:INC R2
LAST:DJNZ R1,UP
MOV 31H,R2
MOV 32H,R3
RET
WRITE AN ALP TO SELECT THE LARGEST NUMBER FROM GIVEN ARRAY
CPU 8051.TBL
HOFINT8
ORG 6000HMOV DPTR,#5000H
MOV R0,#05H
MOV R1,#00H
AGAIN :MOVX A,@DPTR
MOV 30H,R1
CJNE A,30H,DOWN
AJMP SKIP
DOWN:JC SKIP
MOV R1,A
SKIP:INC DPTR
DJNZ R0,AGAIN
MOV DPTR,#5200H
MOV A,R1
MOVX @DPTR,A
RET
WRITE AN ALP TO SELECT THE SMALLEST NUMBER FROM GIVEN ARRAY
CPU 8051.TBL
HOFINT8
ORG 6000HMOV DPTR,#5000H
MOV R0,#05H
MOV R1,#0FFH
AGAIN :MOVX A,@DPTR
MOV 30H,R1
CJNE A,30H,DOWN
AJMP SKIP
DOWN:JNC SKIP
MOV R1,A
SKIP:INC DPTR
DJNZ R0,AGAIN
MOV DPTR,#5200H
MOV A,R1
MOVX @DPTR,A
RET
WRITE AN ALP TO GENERATE FIBONACCI SERIES OF N NO.
CPU 8051.TBL
HOFINT8
ORG 6000HMOV 0D0H,#00H
MOV R2,#00H
MOV R3,#01H
MOV R0,#30H
MOV R4,#0AH
MOV A,R2
MOV @R0,A
INC R0
DEC R4
MOV A,R3
MOV @R0,A
INC R0
DEC R4
UP:MOV A,R2
ADD A,R3
MOV @R0,AMOV 0F0H,A
MOV A,R3
MOV R2,A
MOV A,0F0H
MOV R3,A
INC R0
DJNZ R4,UP
RET
