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|
%include "macro.inc"
global _start
extern result_to_string
extern compute
extern input_to_string
extern check_angle
extern check_tangent
extern check_cotanget
extern to_int
section .text
;
; MAIN PROGRAM
;
_start: pop ebx ; length of args
cmp ebx, 5
jne .arg_error
mov esi, esp
get_arg ; file name
mov [f_name], edi
get_arg ; start angle
push edi
call to_int
add esp, 4
cmp eax, -1
je .arg_error
mov [beg_angle], eax
get_arg ; finish angle
push edi
call to_int
add esp, 4
cmp eax, -1
je .arg_error
mov [end_angle], eax
get_arg ; step
push edi
call to_int
add esp, 4
cmp eax, -1
je .arg_error
mov [step], eax
push dword [beg_angle]
push dword [end_angle]
call check_angle
add esp, 8
cmp eax, 0
je .angle_error
cmp eax, -1
je .greater_error
mov eax, 5
mov ebx, [f_name]
mov ecx, 241h ; open file
mov edx, 0666q ; rights
int 80h
mov ecx, eax
and ecx, 0fffff000h
cmp ecx, 0fffff000h
je .open_error
mov [f_discr], eax
border
new_line
mov eax, 4
mov ebx, [f_discr]
mov ecx, title
mov edx, title_len
int 80h
new_line
mov esi, [beg_angle]
.lp: cmp esi, [end_angle]
jg .quit
horizontal
vertical
push buffer
push esi
call input_to_string ; for print input angle
add esp, 8
push ecx ; save ecx
push eax ; save eax
mov eax, 3
sub eax, ecx
cmp ecx, 0
je .skip
mov edx, eax ; indent
placeholder
.skip: pop eax
pop ecx
mov edx, ecx ; count
mov ecx, eax ; address of string
mov eax, 4 ; write angle
mov ebx, [f_discr]
int 80h
vertical
push dword tan_value
push esi
call check_tangent
add esp, 8
push dword ctg_value
push esi
call check_cotanget
add esp, 8
push dword ctg_value ; pointer to catangent buffer
push dword tan_value ; pointer to tangent buffer
push dword cos_value ; pointer to cosine buffer
push dword sin_value ; pointer to sine buffer
push esi ; angle
call compute
add esp, 20
push buffer
push dword [sin_value]
call result_to_string
add esp, 8
mov edx, 9
sub edx, eax ; indent
cmp edx, 0
je .print_sin
push eax ; save length
placeholder
pop eax
.print_sin: write_value
vertical
push buffer
push dword [cos_value]
call result_to_string
add esp, 8
mov edx, 9
sub edx, eax ; indent
cmp edx, 0
je .print_cos
push eax
placeholder
pop eax
.print_cos: write_value
vertical
cmp dword [tan_value], 0ffffffffh
jne .tan
mov edx, 8 ; placeholder length
placeholder
undefined
vertical
jmp .cmp_ctg
.tan: push buffer
push dword [tan_value]
call result_to_string
add esp, 8
mov edx, 9
sub edx, eax ; indent
cmp edx, 0
je .print_tan
push eax
placeholder
pop eax
.print_tan: write_value
vertical
.cmp_ctg: cmp dword [ctg_value], 0ffffffffh
jne .ctg
mov edx, 8
placeholder
undefined
vertical
jmp .nl
.ctg: push buffer
push dword [ctg_value]
call result_to_string
add esp, 8
mov edx, 9
sub edx, eax ; indent
cmp edx, 0
je .print_ctg
push eax
placeholder
pop eax
.print_ctg: write_value
vertical
.nl: new_line
cmp byte [step], 0
je .quit
add esi, [step] ; next step
jmp .lp
.arg_error: mov eax, 4
mov ebx, 1
mov ecx, err1msg
mov edx, err1len
int 80h
jmp .exit_code
.angle_error: mov eax, 4
mov ebx, 1
mov ecx, err2msg
mov edx, err2len
int 80h
jmp .exit_code
.greater_error: mov eax, 4
mov ebx, 1
mov ecx, err3msg
mov edx, err3len
int 80h
jmp .exit_code
.open_error: mov eax, 4
mov ebx, 1
mov ecx, err4msg
mov edx, err4len
int 80h
.exit_code: mov eax, 1
mov ebx, 1
int 80h
.quit: border
new_line
mov eax, 6 ; close file
mov ebx, [f_discr]
int 80h
mov eax, 1 ; finish
mov ebx, 0
int 80h
section .bss
f_name resd 1
f_discr resd 1
beg_angle resd 1
end_angle resd 1
step resd 1
sin_value resd 1
cos_value resd 1
tan_value resd 1
ctg_value resd 1
buffer resb 8
section .data
err1msg db "Usage <name file> <start angle> <end angle> <step>", 10
err1len equ $-err1msg
err2msg db "Angle must be from 0 to 360", 10
err2len equ $-err2msg
err3msg db "Start angle is incorrectly entered", 10
err3len equ $-err3msg
err4msg db "Couldn't open source file", 10
err4len equ $-err4msg
nlstr db 10
vert_sep db " | "
beg_sep db " |"
end_sep db '|', 10
hor_sep times 53 db '-'
hor_length equ $-hor_sep
border_sep times 53 db '-'
some_spaces times 8 db ' '
undef_value db '-'
title db " | deg | sin | cos | tan | ctg |"
title_len equ $-title
|
