ENCODER (3 to 8):
Q0 = D1 + D3 + D5 + D7 (8050)
Q1 = D2 + D3 + D6 + D7 (8051)
Q2 = D4 + D5 + D6 + D7 (8052)
The gaps between may not be accurate
ADDRESS | HEXCODE | LABEL | MNEMONICS |
8000 | MVI D,80 | ||
8001 | |||
8002 | MVI B,01 | ||
8003 | |||
8004 | LXIH 9000 | ||
8005 | |||
8006 | |||
8007 | |||
8008 | L | MOV A,D | |
8009 | ANA B | ||
800A | MOV M,A | ||
800B | INR L | ||
800C | MOVA,B | ||
800D | RLC | ||
800E | MOV B,A | ||
800F | JNC L | ||
8010 | |||
8011 | |||
8012 | |||
8013 | LXIH 9001 | ||
8014 | |||
8015 | |||
8016 | |||
8014 | MOV A,M | ||
8015 | LXIH 9003 | ||
8013 | |||
8014 | |||
8015 | |||
8016 | ORA M | ||
8017 | LXIH 9005 | ||
8018 | |||
8019 | |||
801A | |||
801B | ORA M | ||
801C | LXIH 9007 | ||
801D | |||
801E | |||
801F | |||
8020 | ORA M | ||
8021 | STA 8050 | ||
8022 | |||
8023 | |||
8024 | |||
8025 | LXIH 9002 | ||
8026 | |||
8027 | |||
8028 | |||
8029 | MOV A,M | ||
802A | LXIH 9003 | ||
802B | |||
802C | |||
802D | |||
802E | ORA M | ||
802F | LXIH 9006 | ||
8030 | |||
8031 | |||
8032 | |||
8033 | ORA M | ||
8034 | LXIH 9007 | ||
8035 | |||
8036 | |||
8037 | |||
8038 | ORA M | ||
8039 | STA 8051 | ||
803A | |||
803B | |||
803C | |||
803D | LXIH,9004 | ||
803E | |||
803F | |||
8040 | |||
8041 | MOV A,M | ||
8042 | LXIH 9005 | ||
8043 | |||
8044 | |||
8045 | |||
8046 | ORA M | ||
8047 | LXIH 9006 | ||
8048 | |||
8049 | |||
804A | |||
804B | ORA M | ||
804C | LXIH, 9007 | ||
804D | ORA M | ||
804E | STA 8052 | ||
804F | HLT |
BEFORE EXECUTION: AFTER EXECUTION:
A-80 8050 -1
9000 -9007 =00 8051 - 1
8052 - 1
TO DISPLAY THE VALUE OF ( X^2-4*X+4)/4
lxi h,9000
mov a,m
mov b,a
mov c,a
mvi a,00
l:
add b
dcr c
jnz l
inx h
mov m,a
mov c,a
mov a,b
rlc
rlc
inx h
mov m,a
mov b,a
mov a,c
sub b
adi 04
inx h
mov m,a
rrc
rrc
inx h
mov m,a
hlt
TO CALCULATE THE VALUE OF 1^2+2^2+…. n^2, AND TO STORE THEM IN CONTINUOUS MEMORY LOCATIONS AND THEIR SUM IN THE NEXT LOCATION:
lxi h,9000
mvi c,03
mvi a,01
L:
mov d,a
mov e,a
L1:
add d
dcr e
jnz L1
sub d
mov m,a
inx h
inr d
mov a,d
dcr c
jnz L
lxi h,9000
mvi c,03
mvi a,00
L2:
add m
inx h
dcr c
jnz L2
mov m,a
hlt
ENCODER AND DECODER PROGRAM:
LXI D,A000
MVI A,01
CPI 01
JZ 8000 [ENCODER]
JMP 9000 [DECODER]
ENCODER:
LXI H,8070
MOV B,M
MVI A,90
OUT 31
MOV E,M
LDAX D
OUT 30
INX H
MVI A,90
OUT 31
MOV E,M
LDAX D
OUT 30
MOV A,B
CMA
ANA M
ORA B
STA B000
MOV C,A
MOV A,94
OUT 31
MOV E,C
LDAX D
OUT 30
MOV A,M
CMA
MOV C,A
MOV A,B
CMA
ANA C
INX H
MOV A,92
OUT 31
MOV E,M
LDAX D
OUT30
ANA M
ORA B
STA B001
MOV C,A
MOV A,94
OUT 31
MOV E,C
LDAX D
OUT 30
HLT
DECODER:
LXI H,9070
MOV B,M
MVI A,94
OUT 31
MOV E,M
LDAX D
OUT 30
INX H
MVI A,95
OUT 31
MOV E,M
LDAX D
OUT30
MOV A,B
ANA M
STA B000
MOV C,A
MVI A,90
OUT 31
MOV E,C
LDAX D
OUT 30
MOV A,B
CMA
ANA M
STA B001
MOV C,A
MVI A,91
OUT 31
MOV E,C
LDAX D
OUT 30
MOV A,M
CMA
ANA B
STA B002
MOV C,A
MVI A,92
OUT 31
MOV E,C
LDAX D
OUT 30
MOV A,B
CMA
MOV C,A
MOV A.M
CMA
ANA C
STA B003
MOV C,A
MVI A,93
OUT 31
MOV E,C
LDAX D
OUT 30
HLT
RESULT:
ENCODER: INPUTS- 80703; 80712; 80721 OUTPUTS- B000:Y1; B001:Y0
X3 | X2 | X1 | X0 | Y1 | Y0 |
1 | X | X | X | 1 | 1 |
0 | 1 | X | X | 1 | 0 |
0 | 0 | 1 | X | 0 | 1 |
0 | 0 | 0 | X | 0 | 0 |
DECODER: INPUTS- 90701; 90710 OUTPUTS- B000:Y3; B001:Y2; B002:Y1; B003:Y0
X1 | X0 | Y3 | Y2 | Y1 | Y0 |
0 | 0 | 0 | 0 | 0 | 1 |
1 | 0 | 0 | 0 | 1 | 0 |
0 | 1 | 0 | 1 | 0 | 0 |
1 | 1 | 1 | 0 | 0 | 0 |
AND OR NOT:
LXI H 8050H
MOV D M
INX H
MOV B M
INX H
MOV A M
CPI 01h
JZ AND
INX H
MOV A M
CPI 01h
JZ OR
INX H
MOV A M
CPI 01h
JZ NOT
L1: MVI A 90h
OUT 31h
MVI A 60h
OUT 30h
HLT
L2: MVI A 90h
OUT 31h
MVI A F3h
OUT 30h
HLT
AND: MOV A D
ANA B
CPI 01h
JZ L1
JC L2
HLT
OR: MOV A D
ORA B
CPI 01h
JZ L1
JC L2
HLT
NOT: MOV A D
CPI 01h
JZ L2
JC L1
HLT
ADDRESS | HEXCODE | LABEL | MNEMONICS |
8000 | 21 | LXI H,8060 | |
8001 | 60 | ||
8002 | 80 | ||
8003 | 7E | MOV A,M | |
8004 | FE | CPI 01 | |
8005 | 01 | ||
8006 | CA | JZ L | |
8007 | 15 | ||
8008 | 80 | ||
8009 | FE | CPI 00 | |
800A | 00 | ||
800B | C2 | JNZ L1 | |
800C | 14 | ||
800D | 80 | ||
800E | 21 | LXI H,8065 | |
800F | 65 | ||
8010 | 80 | ||
8011 | CD | CALL 803E | |
8012 | 3E | ||
8013 | 80 | ||
8014 | 76 | L1 | HLT |
8015 | 21 | L | LXI H,806A |
8016 | 6A | ||
8017 | 80 | ||
8018 | CD | CALL 803E | |
8019 | 3E | ||
801A | 80 | ||
801B | 76 | HLT |
WRITE A PROGRAM TO DISPLAY EVEN NUMBERS IF 0 IS GIVEN AS INPUT 0R TO DISPLAY 0DD NUMBERS IF 1 IS GIVEN AS INPUT:
ADDRESS | HEXCODE | LABEL | MNEMONICS |
803E | OE | MVI C,05 | |
803F | 05 | ||
8040 | 06 | MVI B,90 | |
8041 | 90 | ||
8042 | 04 | L3 | INR B |
8043 | 78 | MOV A,B | |
8044 | D3 | OUT 31 | |
8045 | 31 | ||
8046 | 7E | MOV A,M | |
8047 | D3 | OUT 30 | |
8048 | 30 | ||
8049 | 23 | INX H | |
804A | OD | DCR C | |
804B | C2 | JNZ L3 | |
804C | 42 | ||
804D | 80 | ||
804E | C9 | RETURN |
-
8060-GET INPUT
8065-CODE’0’-F3
8066-CODE’2’-B5
8067-CODE’4’-66
8068-CODE’6’-D7
8069-CODE-‘8’-F7
806A-CODE’1’-60
806B-CODE’3’-F4
806C-CODE’5’-D6
806D-CODE’7’-70
806E-CODE’9’-76
FULL ADDER USING INPUT VALUES IN HEX FORM:
LXI H,8050
MVI C,00
MOV B,M
MOV A,B
SUB C
JZ L1
INR C
MOV A,B
SUB C
JZ L2
INR C
MOV A,B
SUB C
JZ L3
INR C
MOV A,B
SUB C
JZ L4
INR C
MOV A,B
SUB C
JZ L5
INR C
MOV A,B
SUB C
JZ L6
INR C
MOV A,B
SUB C
JZ L7
INR C
MOV A,B
SUB C
JZ L8
MEMORY LOCATION DATA:
L1:
LXI H,9700
CALL 9800
HLT
L2:
LXI H,9706
CALL 9800
HLT
L3:
LXI H,970C
CALL 9800
HLT
L4:
LXI H,9712
CALL 9800
HLT
L5:
LXI H,9718
CALL 9800
HLT
L6:
LXI H,971E
CALL 9800
HLT
L7:
LXI H,9724
CALL 9800
HLT
L8:
LXI H,972A
CALL 9800
HLT
DELAY PROGRAM:
9800:
MVI D,90
MOV A,D
OUT 31
MOV A,M
OUT 30
INR D
INX H
MVI A,96
SUB D
JNZ L
RET
MEMORY LOCATIONS:
9700- F3 9710- 60 9720-F3
9701- F3 9711- F3 9721-60
9702- F3 9712- F3 9722-F3
9703-F3 9713- F3 9723-60
9704-F3 9714- 60 9724-F3
9705-F3 9715- 60 9725-60
9706-F3 9716-F3 9726-60
9707-F3 9717-60 9727-F3
9708-F3 9718- F3 9728-F3
9709-60 9719- 60 9729-60
970A-60 971A- F3 972A-F3
970B-F3 971B- F3 972B-60
970C-F3 971C- 60 972C-60
970D-F3 971D- F3 972D-60
970E-60 971E- F3 972E-60
970F-F3 971F- 60 972F-60
Where F3 & 60 are the equivalent codes for displaying 0 & 1on the 7-segment display.BCD addition with display of inputs and output
MVI C,00
LXI H,9000
MVI D,00
MVI E,09
MVI A,91
OUT 31
MOV A,D
MOV L,A
MOV A,M
OUT 30
MVI A,93
OUT 31
MOV A,E
MOV L,A
MOV A,M
OUT 30
MOV A,D
ADD E
CPI 09
JNC L1
MOV L,A
MVI A,95
OUT 31
MOV A,M
OUT 30
JMP Z
L1: INR C
SUI 01
MOV L,A
MVI A,95
OUT 31
MOV A,M
OUT 30
MOV L,C
MVI A,94
OUT 31
MOV A,M
OUT 30
Z: HLT
B.E:- A.E:-
8 | 9 |
1 | 7 |
INPUTS:-D-08, E-09
9000-F3
9001-60
9002-B5
9003-F4
9004-66
9005-D6
9006-D7
9007-70
9008-F7
9009-F6
EQUATION:
lxi h,9000
lxi b,8050
ldax b
mov d,a
mov c,a
mvi a,00
L:
add d
dcr c
jnz L
mov m,a
mov a,d
rlc
inx h
mov m,a
adi 03
inx h
mov m,a
rrc
rrc
inx h
mov m,a
hlt
PROGRAGM OF SQUARE ROOT:
LXI H, 8050
MVI E, OO
L3 INR E
MOV D, E
MVI A, OO
L1 ADD E
DCR D
JNZ L1
MOV A, E
STA 8051
HLT
AFTER EXECUTION:
09- 03
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