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  1. section .data
  2.         nline 		db	10,10
  3. 	nline_len	equ	$-nline
  4.  
  5. 	space		db	" "
  6.  
  7. 	ano		db	10,"	Assignment no	:2-A by Ganesh Kendre", 
  8. 			db	10,"-------------------------------------------------------------------",
  9. 			db      10,"	Block Transfer-Non overlapped without String instruction.",
  10. 			db      10,"-------------------------------------------------------------------",10
  11. 	ano_len		equ	$-ano
  12.  
  13. 	bmsg		db	10,"Before Transfer::"
  14. 	bmsg_len	equ	$-bmsg
  15.  
  16. 	amsg		db	10,"After Transfer::"
  17. 	amsg_len	equ	$-amsg
  18.  
  19. 	smsg		db	10,"	Source Block		:"
  20. 	smsg_len	equ	$-smsg
  21.  
  22. 	dmsg		db	10,"	Destination Block	:"
  23. 	dmsg_len	equ	$-dmsg
  24.  
  25. 	sblock		db	11h,22h,33h,44h,55h
  26. 	dblock		times	5	db	0
  27.  
  28. ;------------------------------------------------------------------------------
  29. section .bss
  30.  
  31. 	char_ans resB	2	;char_ans is of 2 byte because we have 2 byte nos	
  32. ;-----------------------------------------------------------------------------
  33.  
  34. %macro	Print	2
  35. 	 MOV	RAX,1
  36. 	 MOV	RDI,1
  37.          MOV	RSI,%1
  38.          MOV	RDX,%2
  39.     syscall
  40. %endmacro
  41.  
  42. %macro	Read	2
  43. 	 MOV	RAX,0
  44. 	 MOV	RDI,0
  45.          MOV	RSI,%1
  46.          MOV	RDX,%2
  47.     syscall
  48. %endmacro
  49.  
  50. %macro Exit 0
  51. 	Print	nline,nline_len
  52. 	MOV	RAX,60
  53.         MOV	RDI,0
  54.     syscall
  55. %endmacro
  56. ;---------------------------------------------------------------       
  57.  
  58. section .text
  59. 	global _start
  60. _start:
  61.        	Print	ano,ano_len
  62.  
  63. 	Print	bmsg,bmsg_len	;Block values before transfer
  64.  
  65. 	Print 	smsg,smsg_len
  66. 	mov	rsi,sblock	;As rsi is used to point source as well as destination block
  67. 	call	disp_block	;assign source and destination block separately before call
  68.  
  69. 	Print	dmsg,dmsg_len
  70. 	mov	rsi,dblock
  71. 	call	disp_block
  72.  
  73. 	call	BT_NO		;call for actual block transfer
  74.  
  75. 	Print	amsg,amsg_len	;Block values after transfer 
  76.  
  77. 	Print 	smsg,smsg_len
  78. 	mov	rsi,sblock
  79. 	call	disp_block
  80.  
  81. 	Print	dmsg,dmsg_len
  82. 	mov	rsi,dblock
  83. 	call	disp_block
  84.  
  85. Exit
  86. ;-----------------------------------------------------------------
  87. BT_NO:
  88. 	mov	rsi,sblock
  89. 	mov	rdi,dblock
  90. 	mov	rcx,5
  91. back:	mov	al,[rsi]	;moves 1 value from rsi to rdi 
  92.  
  93. 	mov	[rdi],al	;(memory-memory transfer is not allowed)
  94. 	inc	rsi
  95. 	inc	rdi
  96. 	dec	rcx
  97. 	jnz	back
  98. RET
  99. ;-----------------------------------------------------------------
  100. disp_block:
  101. 	mov	rbp,5		;counter as 5 values
  102.  
  103. next_num:
  104. 	mov	al,[rsi]	;moves 1 value to rsi
  105. 	push	rsi		;push rsi on stack as it get modified in Disp_8
  106.  
  107. 	call	Disp_8
  108. 	Print	space,1
  109.  
  110. 	pop	rsi		;again pop rsi that pushed on stack
  111. 	inc	rsi
  112. 	dec	rbp
  113. 	jnz	next_num
  114. RET
  115. ;---------------------------------------------------------------
  116. Disp_8:
  117. 	MOV	RSI,char_ans+1
  118. 	MOV	RCX,2           ;counter
  119. 	MOV	RBX,16		;Hex no
  120.  
  121. next_digit:
  122. 	XOR	RDX,RDX
  123. 	DIV	RBX
  124. 	CMP	DL,9	
  125. 	JBE	add30
  126. 	ADD	DL,07H
  127. add30	:
  128. 	ADD	DL,30H
  129. 	MOV	[RSI],DL
  130. 	DEC	RSI
  131. 	DEC	RCX
  132. 	JNZ	next_digit
  133.  
  134. 	Print	char_ans,2
  135. ret
  136.  
Success #stdin #stdout 0s 5304KB
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	Assignment no	:2-A by Ganesh Kendre
-------------------------------------------------------------------
	Block Transfer-Non overlapped without String instruction.
-------------------------------------------------------------------

Before Transfer::
	Source Block		:11 22 33 44 55 
	Destination Block	:00 00 00 00 00 
After Transfer::
	Source Block		:11 22 33 44 55 
	Destination Block	:11 22 33 44 55
https://ideone.com/v8BK7e
language:
Assembler 64bit (nasm 2.14)
created:
2 days ago
visibility:
public

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