Programs Micro Processor

Microprocessor Programs Multiplication of Two 4 bit Numbers

L1:

XRA A LXI H, 2100 MOV B,M INX H ADD M DCR B JNZ L1 STA 2102 HLT

Multiplication of Two 8-bit Numbers

L2: L1:

XRA A MOV B,A LXI H, 1100 MOV C,M INX H ADD M JNC L1 INR B DCR C JNZ L2 INX H MOV M,A INX H MOV A,B MOV M,A HLT

Addition Of Two Numbers: LDA 4150 MOV B,A LDA 4151 ADD M STA 4152 HLT

Addition Of Two no(method 2) LXI H,2050 MOV A,M INX H ADD M INX H MOV A,B HLT Subtraction of Two no LDA 4150 MOV B,A LDA 4151 SUB B STA 4152 HLT Method 2 : Subtraction of Two No LXI H,2050 MOV A,M INX H SUB M INX H MOV M,A HLT Biggest of Numbers LXI H,4150 MOV C,M INX H MOV A,M LOP: INX H CMP M JNC LOP1 MOV A,M LOP1 DCR C JNZ LOP MOV M,A HLT Smallest of the No: LXI H,4150 MOV C,M LOOP: INX H MOV A,M INX H

CMP M JC LOOP1 MOV A,M LOOP1:DCR C JNZ LOOP MOV M,A HLT Division

P1:

L1:

XRA A MOV C,A LXI H,4150 MOV B,M INX H MOV A,M SUB B JC L1 INC C JMP P1 ADD B STA 4153 MOV AMC STA 4152 HLT

Block Transfer

L1:

LXI H,2100 LXI D,2200 MVI C,0A MVI A,M STAX D INX H INX D DCR C JNZ L1 HLT RST 7

Ascending Order

L1:

LXI H,4150 MOV C,M MOV B,C INX H MOV A,M PUSH H DCR B JZ LA1

L2:

L3:

LA1:

INX H CMP M JC L3 MOV D,A MOV A,M MOV M,D DCR B JNZ L2 POP H MOV M,A DCR C JMP L1 HLT

Decending Order:

L1:

L2:

L3:

LXI H,4150 MOV C,M MOV B,C INX H MOV A,M PUSH H DCR B JZ LA1 INX H CMP M JNC L3 MOV D,A MOV A,M MOV M,D DCR B JNZ L2 POP H MOV M,A DCR C JMP L1 HLT

Binary To BCD

AGAIN:

FINISH:

LXI H,2101 MVI C,04 ORA M DCR C JZ FINISH RLC INX H JMP AGAIN INX H CPI OA

RESULT:

JC RESULT MVI A,EE MOV M,A MOV M,C HLT

BCD To Binary MVI D,08 LXI H,2100 MVI C,04 MOV B,M AGAIN: MOV A,B INX H ANA D JZ LOOP MVI A,01 LOOP: MOV M,A MOV A,D RRC MOV D,A DCR C JNZ AGAIN HLT Decimal to Hexa

L1:

L2:

L3:

XRA A MOV C,A LXI H,2100 MOV B,M ADI 64 JNC L2 INR C DCR B JNZ L1 MOV D,A INX H MOV B,M XRA A ADI 0A DCR B JNZ L3 INX H ADD M ADD D

L4:

JNC L4 INR C INX H MOV M,C INX H MOV M,A HLT

Hexa Decimal to Decimal LXI H,4150 LXI B,0000 MOV A,M SUI 64 JC L2 INR B JMP L1 ADI 64 SUI OA JC L4 INR C MOV M,B MOV B,A MOV A,C RLC RLC RLC RLC ADD B INX H MOV M,A HLT

Sample Programs 1) TO ADD TWO 8-BIT DATA LDA 000 MOV B,A LDA 001 MVI C,00 ADD B JNC AHEAD INR C [lab1] STA 002 MOV A,C STA 003 HLT Here, 000 -> 1st Operand 001 -> 2nd Operand 003 -> Sum 004 -> Carry ---------------------------------------------------------------2) TO ADD TWO 8-BIT DATA PRESENT IN THE MEMORY LXI H,000 MVI C,OO MOV A,M INX H ADD M JNC LAB1 INR C [LAB1] INX H MOV M,A INX H MOV M,C HLT Here, 000 -> 1st Operand 001 -> 2nd Operand 003 -> Sum 004 -> Carry ---------------------------------------------------------------3) TO ADD TWO 16-BIT DATA LHLD 000 XCHG LHLD 002 XRA A DAD D JNC LAB1 INR A [LAB1] SHLD 004 STA 006 HLT Here, 000 & 001 -> 1st Operand 002 & 003 -> 2nd Operand 004 & 005 -> Sum 006 -> Carry -----------------------------------------------------------------