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Final_Project_Code.txt
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;Project Title: DISCREAT CALCULATOR
;Group Members: M.Owais Mushtaq (18k-1177), Haris Ahmed (18k-1162), Usman Umer (18k-1069)
;Section: G
INCLUDE Irvine32.inc
.data
T1 BYTE"========================================================================================================================",0
T2 BYTE" DISCREATE CALCULATOR ",0
MSG1 BYTE" 1. CONVERTING SENTENCE INTO LOGIC EXPRESSION ",0
MSG2 BYTE" 2. CONVERTING LOGICAL EXPRESSION INTO SENTENCE ",0
MSG3 BYTE " 3. GENERATING TRUTH TABLE",0
MSG4 BYTE " 4. Caesar Encryption and Decryption",0
QUIT BYTE " 0. QUIT",0
CHOICE BYTE" Please Enter the Suitable Option From the Above: ",0
AND_OPERATOR BYTE "and",0
OR_OPERATOR BYTE "or",0
BICONDITION_OPERATOR BYTE " if and only if",0
IMPLIES_OPERATOR1 BYTE " If",0
IMPLIES_OPERATOR2 BYTE " then",0
OPERATION BYTE " After Performing Selected Operation: ",0
WRONG BYTE" WRONG INPUT!",0
SEN BYTE" Sentence No.",0
NOTE BYTE" To Avoid Sentence Format Error, System has defined following Sentences for you ",0
lINE BYTE"________________________________________________________________________________________________________________________",0
SENTENCE BYTE" I will use all my savings to travel to Europe ",0
SENTENCE1 BYTE " I'll buy an Electric Car",0
SENTENCE2 BYTE" you'll get 100% marks in the final",0
SENTENCE3 BYTE" you will get an A+",0
SENTENCE4 BYTE" You can take the flight",0
SENTENCE5 BYTE" you buy a ticket",0
L_SEN1 BYTE " 1. PERFORM AND OPERATION",0
L_SEN2 BYTE " 2. PERFORM OR OPERATION",0
L_SEN3 BYTE " 3. PERFORM IMPLIES OPERATION",0
L_SEN4 BYTE " 4. PERFORM BI-CONDITIONAL OPERATION",0
PREV BYTE" 11. BACK ",0
ENCRYPT BYTE" 1. PERFORM ENCRYPTION ON SENTENCE",0
DECRYPT BYTE" 2. PERFORM DECRYPTION ON SENTENCE",0
CRYPTOSEN BYTE 30 DUP(?)
SAVE BYTE 30 DUP(?)
DISPLAY BYTE "ENTER SENTENCE ",0
DISPLAY1 BYTE "ENTER THE VALUE OF K",0
K BYTE ?
P BYTE "F",0
Q BYTE "T",0
R BYTE "F",0
TEMP1 BYTE 6 DUP(?)
TEMP BYTE 6 DUP(?)
TABLE BYTE "=========================================================================",0
TABLE1 BYTE " | ",0
TABLE_MSG BYTE "ENTER THE EXPRESSION FOR TRUTH TABLE:",0
TABLE_MSG2 BYTE "NOTE:use <-> for BICONDITIONALS statement, -> for IMPLICATION operation, + for OR operation , . for AND operation AND don't use a variable more than once",0
TABLE_MSG3 BYTE "NOTE:It can only generate truth table of atmost three variables and atleast two variables",0
EXPRESSION BYTE 20 DUP(?)
VARIABLE_COUNT DWORD 0
FINDLOG BYTE" Enter Sentance to Convert into Logical Expression: ",0
STATEMENT BYTE 60 DUP(?) ;STATEMNT TO LET USER KN
STATEMENT1 BYTE 60 DUP(?)
STRING2 BYTE 100 DUP(?) ;STRING FROM WHERE STRING NEED TO BE SEARCHED
STR1 BYTE "AND",0
STR2 BYTE "OR",0
STR3 BYTE "IF AND ONLY IF",0 ;STRING THAT NEED TO BE SEARCHED
L DWORD ?
P_EQU BYTE "LET P = ",0
Q_EQU BYTE " Q = ",0
PQ_AND BYTE "LOGICAL EXPRESSION: P & Q",0
PQ_OR BYTE "LOGICAL EXPRESSION: P V Q",0
PQ_BI BYTE "LOGICAL EXPRESSION: P <-> Q",0
TEMP3 DWORD ?
TEMP4 DWORD ?
TEMP5 DWORD ?
.code
main proc
; Main Frame
MENU:
CALL CLRSCR
MOV EDX,OFFSET T1
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET T2
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET T1
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET MSG1
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET MSG2
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET MSG3
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET MSG4
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET QUIT
CALL WRITESTRING
CALL CRLF
CALL CRLF
CALL CRLF
MOV EDX,OFFSET CHOICE
CALL WRITESTRING
CALL READINT
CMP AX,1
JE C1
CMP AX,2
JE C2
CMP AX,3
JE C3
CMP AX,4
JE C4
CMP AX,0
JE BYE
MOV EDX,OFFSET WRONG
CALL WRITESTRING
MOV EAX,900
CALL DELAY
CALL CRLF
JMP MENU
C1:
CALL Sentence_To_Logic
JMP MENU
C2:
CALL Logic_To_Sentence
JMP MENU
C3:
CALL Generating_Turth_Table
JMP MENU
C4:
CALL Shift_Cipher
JMP MENU
BYE:
EXIT
exit
main ENDP
Sentence_To_Logic PROC ; Fuction 1. CONVERTING SENTENCE INTO LOGIC EXPRESSION
LOCAL VAR1:BYTE
mov eax,0
CALL CLRSCR
MOV EDX,OFFSET T1
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET MSG1
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET T1
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET FINDLOG
CALL WRITESTRING
CALL CRLF
CLD ; CLEAR DIRECTION FLAG
MOV EAX,0
MOV ESI,0
MOV EDX,0
MOV EDX,OFFSET STRING2
MOV ECX,LENGTHOF STRING2
CALL READSTRING
INVOKE STR_UCASE, ADDR STRING2
CALL CRLF
MOV VAR1,AL
cmp al,0
je l101
MAINLY:
MOV EDX,0
MOV EDI,OFFSET STRING2
CMP AH,0
JE SET
CMP AH,1
JE SET1
CMP AH,2
JE SET2
l101:
MOV EDX,OFFSET WRONG
CALL WRITESTRING
EXIT
L2:
MOVZX ECX,VAR1
MOV L,ECX
L1:
MOV AL,[ESI]
CMP EDX,TEMP3
JE START
SCASB
JZ WR
JNZ ELS
WR:
INC TEMP4
INC EDX ;WHENEVER CHARATER EXIST EDX GET AND NOW THE OTHER CHARACTER WILL BE SEARCHED
INC ESI
JMP ENDING
ELS:
INC TEMP4
MOV ESI,TEMP5
MOV EDX,0
ENDING:
LOOP L1
START:
CLD
MOV EBX,TEMP3
CMP EDX,EBX ;;IN THE END THE END IF STRING EXIST STRING THAT NEED TO BE SEARCHED AND EDX WILL HAVE SAME LENGTH
;CALL DUMPREGS
JE EQUAL
INC AH ;IF STRING NOT FIND
JMP MAINLY
MOV EDX,OFFSET STATEMENT1
CALL WRITESTRING
EXIT
EQUAL:
MOV BL,[EDI]
CMP BL,40H
JA ELS
MOV EBX,TEMP4
SUB EBX,TEMP3
MOV ECX,EBX
CLD
MOV ESI,OFFSET STRING2
MOV EDI,OFFSET STATEMENT
REP MOVSB
MOV EDX,OFFSET P_EQU
CALL WRITESTRING
MOV EDX,OFFSET STATEMENT
CALL WRITESTRING
CALL CRLF
CLD
ADD EBX,TEMP4
MOV ECX,EBX
MOV ESI,OFFSET STRING2
MOV EDI,OFFSET STATEMENT1
ADD ESI,TEMP4
REP MOVSB
MOV EDX,OFFSET Q_EQU
CALL WRITESTRING
MOV EDX,OFFSET STATEMENT1
CALL WRITESTRING
CALL CRLF
CMP AH,0
JE JM_P
CMP AH,1
JE P1
CMP AH,2
JE P2
JM_P:
CALL CRLF
MOV EDX,OFFSET PQ_BI
CALL WRITESTRING
CALL CRLF
JMP FSQUIT
P1:
CALL CRLF
MOV EDX,OFFSET PQ_OR
CALL CRLF
CALL WRITESTRING
JMP FSQUIT
P2:
CALL CRLF
MOV EDX,OFFSET PQ_AND
CALL WRITESTRING
CALL CRLF
JMP FSQUIT
SET:
MOV TEMP4,0
MOV ESI ,OFFSET STR3
MOV TEMP3,LENGTHOF STR3-1
MOV TEMP5,OFFSET STR3
JMP L2
SET1:
MOV TEMP4,0
MOV ESI,OFFSET STR2
MOV TEMP3,LENGTHOF STR2-1
MOV TEMP5,OFFSET STR2
JMP L2
SET2:
MOV TEMP4,0
MOV ESI,OFFSET STR1
MOV TEMP3,LENGTHOF STR1-1
MOV TEMP5,OFFSET STR1
JMP L2
FSQUIT:
CALL CRLF
MOV EDX,OFFSET PREV
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET QUIT
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET CHOICE
CALL WRITESTRING
CALL READINT
CMP AX,11
JE S5
CMP AX,0
JE S6
MOV EDX,OFFSET WRONG
CALL WRITESTRING
MOV EAX,900
CALL DELAY
CALL CRLF
CALL Sentence_To_Logic
ret
S5:
RET
EXIT
S6:
EXIT
Exit
Sentence_To_Logic ENDP
Logic_To_Sentence PROC ; Fuuntion 2. CONVERTING LOGICAL EXPRESSION INTO SENTENCE
mov eax,0
CALL CLRSCR
MOV EDX,OFFSET T1
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET MSG2
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET T1
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET L_SEN1
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET L_SEN2
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET L_SEN3
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET L_SEN4
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET PREV
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET QUIT
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET CHOICE
CALL WRITESTRING
CALL READINT
CMP AX,1
JE S1
CMP AX,2
JE S2
CMP AX,3
JE S3
CMP AX,4
JE S4
CMP AX,11
JE S5
CMP AX,0
JE S6
MOV EDX,OFFSET WRONG
CALL WRITESTRING
MOV EAX,900
CALL DELAY
CALL CRLF
CALL Logic_To_Sentence
ret
S1: ;AND OPERATOP
CALL CLRSCR
CALL CRLF
CALL CRLF
MOV EDX,OFFSET NOTE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET SEN
CALL WRITESTRING
MOV AL,01
CALL WRITEDEC
MOV EDX,OFFSET SENTENCE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET SEN
CALL WRITESTRING
MOV AL,02
CALL WRITEDEC
MOV EDX,OFFSET SENTENCE1
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET OPERATION
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET LINE
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET SENTENCE
CALL WRITESTRING
MOV EDX,OFFSET AND_OPERATOR
CALL WRITESTRING
MOV EDX,OFFSET SENTENCE1
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET LINE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET PREV
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET QUIT
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET CHOICE
CALL WRITESTRING
CALL READINT
CMP AX,11
JE SL1
CMP AX,0
JE SL2
MOV EDX,OFFSET WRONG
CALL WRITESTRING
MOV EAX,900
CALL DELAY
CALL CRLF
JMP S1
RET
SL1:
CALL Logic_To_Sentence
RET
EXIT
SL2:
EXIT
CALL Logic_To_Sentence
ret
S2: ; OR OPREATION
CALL CLRSCR
CALL CRLF
CALL CRLF
MOV EDX,OFFSET NOTE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET SEN
CALL WRITESTRING
MOV AL,01
CALL WRITEDEC
MOV EDX,OFFSET SENTENCE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET SEN
CALL WRITESTRING
MOV AL,02
CALL WRITEDEC
MOV EDX,OFFSET SENTENCE1
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET OPERATION
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET LINE
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET SENTENCE
CALL WRITESTRING
MOV EDX,OFFSET OR_OPERATOR
CALL WRITESTRING
MOV EDX,OFFSET SENTENCE1
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET LINE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET PREV
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET QUIT
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET CHOICE
CALL WRITESTRING
CALL READINT
CMP AX,11
JE SL3
CMP AX,0
JE SL4
MOV EDX,OFFSET WRONG
CALL WRITESTRING
MOV EAX,900
CALL DELAY
CALL CRLF
JMP S2
RET
SL3:
CALL Logic_To_Sentence
RET
EXIT
SL4:
EXIT
CALL Logic_To_Sentence
ret
S3: ;IMPLIES OPERATION
CALL CLRSCR
CALL CRLF
CALL CRLF
MOV EDX,OFFSET NOTE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET SEN
CALL WRITESTRING
MOV AL,01
CALL WRITEDEC
MOV EDX,OFFSET SENTENCE2
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET SEN
CALL WRITESTRING
MOV AL,02
CALL WRITEDEC
MOV EDX,OFFSET SENTENCE3
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET OPERATION
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET LINE
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET IMPLIES_OPERATOR1
CALL WRITESTRING
MOV EDX,OFFSET SENTENCE2
CALL WRITESTRING
MOV EDX,OFFSET IMPLIES_OPERATOR2
CALL WRITESTRING
MOV EDX,OFFSET SENTENCE3
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET LINE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET PREV
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET QUIT
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET CHOICE
CALL WRITESTRING
CALL READINT
CMP AX,11
JE SL5
CMP AX,0
JE SL6
MOV EDX,OFFSET WRONG
CALL WRITESTRING
MOV EAX,900
CALL DELAY
CALL CRLF
JMP S3
RET
SL5:
CALL Logic_To_Sentence
RET
EXIT
SL6:
EXIT
CALL Logic_To_Sentence
ret
S4: ;BICONDIONDAL OPERATION
CALL CLRSCR
CALL CRLF
CALL CRLF
MOV EDX,OFFSET NOTE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET SEN
CALL WRITESTRING
MOV AL,01
CALL WRITEDEC
MOV EDX,OFFSET SENTENCE4
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET SEN
CALL WRITESTRING
MOV AL,02
CALL WRITEDEC
MOV EDX,OFFSET SENTENCE5
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET OPERATION
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET LINE
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET SENTENCE4
CALL WRITESTRING
MOV EDX,OFFSET BICONDITION_OPERATOR
CALL WRITESTRING
MOV EDX,OFFSET SENTENCE5
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET LINE
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET PREV
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET QUIT
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET CHOICE
CALL WRITESTRING
CALL READINT
CMP AX,11
JE SL7
CMP AX,0
JE SL8
MOV EDX,OFFSET WRONG
CALL WRITESTRING
MOV EAX,900
CALL DELAY
CALL CRLF
JMP S4
RET
SL7:
CALL Logic_To_Sentence
RET
EXIT
SL8:
EXIT
CALL Logic_To_Sentence
ret
S5:
RET
EXIT
S6:
EXIT
Logic_To_Sentence ENDP
not_operation PROC,op:PTR BYTE
MOV ESI,op
MOV AL,[ESI]
CMP AL,'F'
JE convert_to_true
MOV AL,'F'
MOV [ESI],AL
JMP not_jmp
convert_to_true:
MOV AL,'T'
MOV [ESI],AL
not_jmp:
RET
not_operation ENDP
and_operation PROC,first:BYTE,second:BYTE
CMP first,'T'
JE and_tes
and_false:
MOV AL,'F'
RET
and_tes:
CMP second,'T'
JNE and_false
MOV AL,'T'
RET
and_operation ENDP
or_operation PROC,first:BYTE,second:BYTE
CMP first,'F'
JE or_tes
or_true:
MOV AL,'T'
RET
or_tes:
CMP second,'F'
JNE or_true
MOV AL,'F'
RET
or_operation ENDP
implies_operation PROC,first:BYTE,second:BYTE
CMP first,'T'
JE implies_tes
implies_true:
MOV AL,'T'
RET
implies_tes:
CMP second,'F'
JNE implies_true
MOV AL,'F'
RET
implies_operation ENDP
biconditional_operation PROC,first:BYTE,second:BYTE
MOV AL,first
CMP AL,second
JNE biconditional_false
MOV AL,'T'
RET
biconditional_false:
MOV AL,'F'
RET
biconditional_operation ENDP
two_variable_sol PROC,two_sol:PTR BYTE,len:DWORD,two_var1:BYTE,two_var2:BYTE
PUSH ECX
MOV ESI,two_sol
MOV ECX,len
two_so:
MOV AL,[ESI]
CMP AL,'+'
JE two_or
CMP AL,'.'
JE two_and
CMP AL,'<'
JE two_bi
CMP AL,'-'
JE two_imp
two_sol2:
INC ESI
loop two_so
POP ECX
RET
two_or:
INVOKE or_operation,two_var1,two_var2
POP ECX
RET
two_and:
INVOKE and_operation,two_var1,two_var2
POP ECX
RET
two_bi:
INVOKE biconditional_operation,two_var1,two_var2
POP ECX
RET
two_imp:
INVOKE implies_operation,two_var1,two_var2
POP ECX
RET
two_variable_sol ENDP
three_variable_sol PROC,exp:PTR BYTE,len:DWORD,three_var1:BYTE,three_var2:BYTE,three_var3:BYTE
LOCAL result:BYTE
push ECX
MOV ESI,exp
MOV ECX,len
MOV EDI,OFFSET temp1
three_sol:
MOV AL,[ESI]
CMP AL,'('
JE three_two
MOVSB
three_jmp:
LOOP three_sol
three_two:
PUSH EDI
MOV EDI,OFFSET temp
INC ESI
PUSH ECX
MOV ECX,3
REP MOVSB
POP ECX
CMP ECX,len
JE three_sol1
INVOKE two_variable_sol,ADDR temp,3,three_var2,three_var3
SUB ECX,5
MOV result,AL
POP EDI
MOV AL,'Q'
MOV [EDI],AL
INC EDI
INVOKE two_variable_sol,ADDR temp1,3,three_var1,result
POP ECX
RET
three_sol1:
INVOKE two_variable_sol,ADDR temp,3,three_var1,three_var2
MOV result,AL
SUB ECX,5
POP EDI
MOV AL,'P'
MOV [EDI],AL
INC EDI
MOV ECX,3
MOV ESI,exp
ADD ESI,5
REP MOVSB
INVOKE two_variable_sol,ADDR temp1,3,result,three_var3
POP ECX
RET
three_variable_sol ENDP
;FUNCTION TO COUNT THE NUMBER OF VARIABLES IN THE EXPRESSION
count_variable PROC,exp:PTR BYTE,no:DWORD
MOV ESI,EDX
MOV ECX,no
MOV EDI,0
L1:
MOV BL,'A'
MOV AL,[ESI]
CMP AL,BL
JAE tes
JMP L2
tes:
MOV BL,'Z'
MOV AL,[ESI]
CMP AL,BL
JBE count
JMP L2
count:
INC EDI
JMP L2
L2:
INC ESI
LOOP L1
RET
count_variable ENDP
Generating_Turth_Table PROC ;FUNCTION 3. GENERATING TRUTH TABLE
mov eax,0
CALL CLRSCR
MOV EDX,OFFSET T1
CALL WRITESTRING
CALL CRLF
MOV EDX,OFFSET MSG3
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET T1
CALL WRITESTRING
CALL CRLF
CALL CRLF
mov eax,0
MOV EDX,OFFSET table_msg3
CALL WRITESTRING
CALL CRLF
CALL CRLF
MOV EDX,OFFSET table_msg2