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Program : Write an assembly program to find out the largest number from a given unordered array of 8-bit numbers that stored in the locations starting from a known address.
Solution :
Compare the number of the series with the (i+1 )th number by using CMP instruction. It will set the flags suitably, depending upon whether the ith number or the (i+1 )th number is higher. If the ith number is higher than (i+1 )th, leave it in register AX (any register can be used ). Or else, load the (i+1 )th number in register AX, replacing the ith number in AX. The process is repeated till all the members in the array have been compared.
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from pin description it seems that 8086 has 16 address/data lines i.e.AD0_AD15.The physical address is however is larger than 2^16.How this condition can be handled
.MODEL SMALL .STACK 100H .DATA PROMPT DB \''The 256 ASCII Characters are : $\'' .CODE MAIN PROC MOV AX, @DATA ; initialize DS MOV DS, AX
Write an application that does the following: (1) fill an array with 50 random integers; (2) loop through the array, displaying each value, and count the number of negative values;
Difference between div and idiv
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Write a M68000 assembly language subroutine MULSUM that takes an array named A containing n bytes of positive numbers, and fills two arrays, array B containing n
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DMA Hardware (8237 DMAC) : 1)Processor contain HOLD/HOLD Acknowledge lines to interact with 8237 o DMAC can achieve control of ISA bus by asserting HOLD o P
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