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a- Trace the following program fragment and find out the content of ax after the
the execution of the program.
X db 5,7 -3,-9,4,-7,9
Mov cx, 7
Mov bx, offset x
Xor ax, ax
Xor si, si
Next : add ax, [bx +si]
inc si,
Loop next
b- Trace the following program fragment and find out the content of ax after the execution of the program.
mov ax, 3
next: add ax, 2
cmp ax, 13
jge out
jmp next
out: ...............
Write a 68hc11 assembly language program which generation of the following waveforms connected to your DAC i) Square wave ii) Saw tooth waveform iii) Sine wave iv) U
Write an assembly program that adds the elements in the odd indices of the following array. Use LOOP. What is the final value in the register?
DW : Define Word:- The DW directive serves the same purposes as the DB directive, but now it makes the assembler which reserves thenumber ofmemory words (16-bit) instead of by
HELLO I AM TRYING TO ADD AND SUBTRACT BUT I SEEM CAN''T FIND THE CORRECT REGISTER TO PUT IN
Mov ax, [1234h: 4336h + 100]
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
relocation
Problem (a) Prepare the assembly code sequence for each of the four styles (accumulator, memory-memory, stack, load/store) of machine for the code fragment: A = B + C;
Convert 751 to hex and show what it would look like stored at TheNumber WORD ? (hint: answer in hex pairs)
Execution Unit (EU) and Bus Interface Unit (BIU) : 8086 consist of two processors called EU and BIU. Two Processors can work parallel. This improves speed of execution. BIU fi
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