first code push

4 files changed, 73 insertions, 0 deletions

diff --git a/TASK1.asm b/TASK1.asm
new file mode 100644
index 0000000..164e0db
--- /dev/null
+++ b/TASK1.asm
@@ -0,0 +1,20 @@
+; ADD NUMBERS IN MEMORY 00H -> NEXT 00H BYTE, STORE RESULT IN C
+
+JMP START
+START:	LXI H,00H	; HL AS MEMORY POINTER
+	MVI C,00H	; CLEAR C
+	MOV B,C		; CLEAR B
+NEXT:	MOV A,M		; SET ACCUMULATOR TO VALUE AT MEMORY ADDRESS
+	CPI 00H		; COMPARE ACCUMULATOR WITH 00H
+	JZ END		; JUMP IF ZERO
+	INX H		; INCREASE POINTER
+	JMP SAVE	; JUMP TO SAVE
+SAVE:	MOV B,A		; STORE ACCUMULATOR IN B
+	MOV A,C		; MOVE C INTO ACCUMULATOR
+	ADD B		; ADD B
+	MOV C,A		; STORE NEW ADDED VALUED IN B
+	MVI A,00H	; CLEAR ACCUMULATOR
+	MOV B,A		; CLEAR B
+	JMP NEXT	; NEXT BYTE
+ END:	HLT		; HALT
+
diff --git a/TASK2.asm b/TASK2.asm
new file mode 100644
index 0000000..7ebd238
--- /dev/null
+++ b/TASK2.asm
@@ -0,0 +1,22 @@
+; MULTIPLY TWO NUMBERS TOGETHER, STORE IN MEMORY AT 00H
+; MULTIPLICATION IS NOTHING MORE THAN REPEATED ADDITION
+
+JMP START
+N1: EQU 05H		; MULTIPLICAND
+N2: EQU 03H		; MULTIPLIER
+N3: EQU 00H		; MEMORY LOCATION TO STORE RESULT
+START:	LXI H,N3	; H AS MEMORY POINTER TO OUTPUT LOCATION 00H
+	MVI C,0 	; CLEAR C
+	MOV B,C		; CLEAR B
+	MOV A,B		; CLEAR A
+	MVI C,N2	; MOVE N2 INTO C, THIS IS OUR COUNTER
+ADD:	MOV B,A		; STORE A IN B
+	MVI A,00H	; STORE 00H IN A
+	CMP C		; COMPARE C TO A	
+	MOV A,B		; PUT B BACK INTO A
+	JZ END		; IF C == 0 JUMP TO END
+	ADI N1		; ADD N1 TO A
+	DCR C		; DECREMENT C
+	JMP ADD		; JUMP TO ADD
+END: 	STA N3		; STORE A
+	HLT		; HALT
\ No newline at end of file
diff --git a/TASK2_VER2.asm b/TASK2_VER2.asm
new file mode 100644
index 0000000..d83a1eb
--- /dev/null
+++ b/TASK2_VER2.asm
@@ -0,0 +1,16 @@
+; MULTIPLY TWO NUMBERS TOGETHER, STORE IN MEMORY AT 00H
+; MULTIPLICATION IS NOTHING MORE THAN REPEATED ADDITION
+
+JMP START
+N1: EQU 05H		; MULTIPLICAND
+N2: EQU 03H		; MULTIPLIER
+N3: EQU 00H		; MEMORY LOCATION TO STORE RESULT
+START:	LXI H,N3	; H AS MEMORY POINTER TO OUTPUT LOCATION 00H
+	MVI C,0 	; CLEAR C
+	MOV A,C		; CLEAR A
+	MVI C,N2	; MOVE N2 INTO C, THIS IS OUR COUNTER
+ADD:	ADI N1		; ADD N1 TO A
+	DCR C		; DECREMENT C
+	JNZ ADD		; IF C == 0 JUMP TO END
+	STA N3		; STORE A IN MEMORY AT N3
+	HLT		; HALT
\ No newline at end of file
diff --git a/TASK3.asm b/TASK3.asm
new file mode 100644
index 0000000..e7fea45
--- /dev/null
+++ b/TASK3.asm
@@ -0,0 +1,15 @@
+; CALL ACTS LIKE A FUNCTION CALL IN C, A SUBROUTINE
+; CALL COUNT AND COUNT TO C FROM B
+JMP START
+
+START:	MVI B,00H	; COUNT FROM 0
+	MVI C,05H	; COUNT TO 5
+	MOV A,B		; COUNT FROM B
+	CALL CNT	; CALL COUNT SUBROUTINE
+	HLT		; HALT
+CNT:	CMP C		; COMPARE C TO A
+	RZ		; RETURN IF C==A
+	INR A		; A++
+	JMP CNT		; LOOP
+
+	
\ No newline at end of file