Added unchecked assignment, untested codes, README & old git commit file.

Codes/org-pen/Practical-9/bsort.asm

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+;NAME:- Chinmay M. Mule
+;CLASS:-SE COMP II SHIFT
+;ROLLNO:-34 PRN:-S18111044
+;  Assignment Name:- Write X86 program to sort the list of integers in 
+;                    ascending order.
+;                    Read the input from the text file and write the sorted    
+;                    data back to the same text file using bubble sort.
+                     
+                         
+
+%include "macro.asm"
+
+section .data
+
+nline db 10
+nline_len equ $-nline
+
+ano db 10,10,10,10,"MPL assignment 07-Bubble sort using file operations"
+db 10,"........................................",10
+ano_len equ $-ano
+
+filemsg db 10,"Enter filename of input data:"
+filemsg_len equ $-filemsg
+
+omsg db 10,"Sorting using bubble sort operation successful."
+  db 10,"Output stored in same file.....",10,10
+omsg_len equ $-omsg
+
+errmsg db 10,"ERROR in opening/reading/writing file..",10
+errmsg_len equ $-errmsg
+
+exitmsg db 10,10,"Exit from program....",10,10
+exitmsg_len equ $-exitmsg
+
+section .bss
+
+buf resb 1024
+buf_len equ $-buf ;buffer length
+
+filename resb 50
+
+filehandle resq 1
+abuf_len resq 1 ;actual buffer length
+
+array resb 10
+n resq 1   ;passes
+
+section .text
+
+global _start
+
+_start:
+print ano,ano_len
+
+print filemsg,filemsg_len
+read filename,50
+dec rax
+mov byte[filename+rax],0 ; blank char/null char 
+
+fopen filename ;on success returns handle
+cmp rax,-1H
+je Error
+mov[filehandle],rax
+
+fread[filehandle],buf,buf_len
+dec rax
+mov [abuf_len],rax
+
+call bsort
+jmp Exit
+
+Error:print errmsg,errmsg_len
+
+Exit:print exitmsg,exitmsg_len
+ exit
+ ;........................................................................
+ bsort:       ;Bubble sort procedure
+  call buf_array
+  
+  xor rax,rax
+  mov rbp,[n]
+  dec rbp
+  
+  xor rcx,rcx
+  xor rdx,rdx
+  xor rsi,rsi
+  xor rdi,rdi
+  
+  mov rcx,0 ;i=0
+  
+  oloop:mov rbx,0 ;j=0
+  
+  mov rsi,array  ;a[j]
+  
+ iloop:mov rdi,rsi ;a[j+1]
+ inc rdi
+ 
+ mov al,[rsi]
+ cmp al,[rdi]
+ jbe next
+ 
+ mov dl,0
+ mov dl,[rdi] ;swap
+ mov [rdi],al
+ mov [rsi],dl
+ 
+ next:inc rsi
+   inc rbx ; j++
+   cmp rbx,rbp
+   jb iloop
+   inc rcx
+   cmp rcx,rbp
+   jb oloop
+   
+   fwrite [filehandle],omsg,omsg_len
+   fwrite [filehandle],array,[n]
+   
+   fclose [filehandle]
+   
+   print omsg,omsg_len
+   print array,[n]
+   
+   ret
+   
+   Error1:
+    print errmsg,errmsg_len
+    ret
+   ;....................................................
+   buf_array:
+   xor rcx,rcx
+   xor rsi,rsi
+   xor rdi,rdi
+   
+   mov rcx,[abuf_len]
+   mov rsi,buf
+   mov rdi,array
+   
+   next_num:
+    mov al,[rsi]
+    mov [rdi],al
+    
+    inc rsi ;number
+    inc rsi ;newline
+    inc rdi
+    
+    inc byte[n] ; counter
+    
+    dec rcx
+    dec rcx
+    jnz next_num
+    ret
+    
+    
+;  OUTPUT:-
+;chinmay@ubuntu:~Desktop/MPL Programs/Assignment7$ nasm -f elf64 bsort.asm
+;chinmay@ubuntu:~Desktop/MPL Programs/Assignment7$ ld -o b bsort.o
+;chinmay@ubuntu:~Desktop/MPL Programs/Assignment7$ ./b
+
+
+
+
+;MPL assignment 07-Bubble sort using file operations
+;........................................
+
+;Enter filename of input data:fl.txt
+
+;Sorting using bubble sort operation successful.
+;Output stored in same file.....
+
+;12467
+
+;Exit from program....
+
+ 
+ 

Codes/org-pen/Practical-9/fl.txt

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+2
+7
+4
+6
+1
+

Codes/org-pen/Practical-9/macro.asm

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+;macro.asm
+
+%macro read 2
+mov rax,0  ;read
+mov rdi,0
+mov rsi,%1
+mov rdx,%2
+syscall
+%endmacro
+
+%macro print 2
+mov rax,1
+mov rdi,1
+mov rsi,%1
+mov rdx,%2
+syscall
+%endmacro
+ 
+%macro fopen  1
+mov rax,2    ;open
+mov rdi,%1   ;filename
+mov rsi,2 ;mode RW
+mov rdx,0777o ;File permissions(Read-4,Write-2,Execute-1)
+syscall 
+%endmacro
+
+%macro fread 3
+mov rax,0 ;read
+mov rdi,%1 ;filehandle
+mov rsi,%2 ;buf
+mov rdx,%3 ;buf_len
+syscall
+%endmacro
+
+%macro fwrite 3
+mov rax,0 ;write
+mov rdi,%1 ;filehandle
+mov rsi,%2 ;buf
+mov rdx,%3 ;buf_len
+syscall
+%endmacro
+
+%macro fclose 1
+mov rax,3 ;close
+mov rdi,%1;file handle
+syscall
+%endmacro
+
+%macro exit 0
+print nline,nline_len
+mov rax,60
+mov rdi,0
+syscall
+%endmacro
+
+
+