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--- Copyright (c) 2036 :: Angela 'astropussy' Collier
---
--- All rights reserved, fuck you commies.
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unscope standard_header
use     standard_header

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# GNU/Linux standard file descriptors.
alias standard_input  0
alias standard_output 1
alias standard_error  2

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# GNU/Linux system calls.
alias system_call_read  0x00
alias system_call_write 0x01
alias system_call_open  0x02
alias system_call_close 0x03
alias system_call_exit  0x3c

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# GNU/Linux file flags.
alias file_read_only      0x000
alias file_write_only     0x001
alias file_read_and_write 0x002
alias file_create         0x040
alias file_truncate       0x200
alias file_append         0x400

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# GNU/Linux file mode flags.
alias file_mode_user_read      0o400
alias file_mode_user_write     0o200
alias file_mode_user_execute   0o100
alias file_mode_group_read     0o040
alias file_mode_group_write    0o020
alias file_mode_group_execute  0o010
alias file_mode_others_read    0o004
alias file_mode_others_write   0o002
alias file_mode_others_execute 0o001

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# VT100 escape sequences.
# Currently normal text, it should be bold, italic, underlined and dark too.
s8 <7> t100_grey_code   = "\e[0;30m"
s8 <7> t100_red_code    = "\e[0;31m"
s8 <7> t100_green_code  = "\e[0;32m"
s8 <7> t100_yellow_code = "\e[0;33m"
s8 <7> t100_blue_code   = "\e[0;34m"
s8 <7> t100_pink_code   = "\e[0;35m"
s8 <7> t100_cyan_code   = "\e[0;36m"
s8 <7> t100_white_code  = "\e[0;37m"
s8 <4> t100_reset_code  = "\e[0m"

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# Store [rdx] count of bytes from 'STDIN_FILENO' file descriptor to [rsi].
# Return value is stored in [rax] and equal to bytes read or '-1' on error.
macro fast_read
	mov eax system_call_read
	mov edi standard_input
	syscall
end macro

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# Print [rdx] count of bytes from [rsi] to 'STDOUT_FILENO' file descriptor.
# Return value is stored in [rax] and equal to bytes written or '-1' on error.
macro fast_write
	mov eax system_call_write
	mov edi standard_output
	syscall
end macro

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# Print VT100 sequence to standard output, 't100' sounds cool.
macro t100_grey   mov esi t100_grey_code   mov edx 7 fast_write end macro
macro t100_red    mov esi t100_red_code    mov edx 7 fast_write end macro
macro t100_green  mov esi t100_green_code  mov edx 7 fast_write end macro
macro t100_yellow mov esi t100_yellow_code mov edx 7 fast_write end macro
macro t100_blue   mov esi t100_blue_code   mov edx 7 fast_write end macro
macro t100_pink   mov esi t100_pink_code   mov edx 7 fast_write end macro
macro t100_cyan   mov esi t100_cyan_code   mov edx 7 fast_write end macro
macro t100_white  mov esi t100_white_code  mov edx 7 fast_write end macro
macro t100_reset  mov esi t100_reset_code  mov edx 4 fast_write end macro

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end unscope