113 lines
1.6 KiB
NASM
113 lines
1.6 KiB
NASM
os_start_cli:
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pusha
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call os_print_newline
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mov si, prompt
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call os_print_string
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mov bx, 20
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mov ax, user_input
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call keyboard_display_input
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jc power_reboot
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jmp os_read_cli
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; ------------------------------------------------
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os_read_cli:
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pusha
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mov ax, user_input
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call string_upper_case ; Make the input uppercase so it's case insensitive
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.output_the_user_input:
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call os_print_newline
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.check_matches: ; Check if the user input matches any internal commands
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; Help
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mov si, user_input
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mov di, help_string
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call os_compare_strings
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cmp cl, 1
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je .help
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; Clear screen
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mov si, user_input
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mov di, clear_string
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call os_compare_strings
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cmp cl, 1
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je .clear
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; Reboot
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mov si, user_input
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mov di, reboot_string
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call os_compare_strings
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cmp cl, 1
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je power_reboot
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; Basic
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mov si, user_input
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mov di, basic_string
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call os_compare_strings
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cmp cl, 1
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je .basic
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; Cat
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mov si, user_input
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mov di, cat_string
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call os_compare_strings
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cmp cl, 1
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je .cat
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; LS
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mov si, user_input
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mov di, ls_string
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call os_compare_strings
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cmp cl, 1
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je .ls
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; ED
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mov si, user_input
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mov di, ed_string
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call os_compare_strings
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cmp cl, 1
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je .ed
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jmp .unkown
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.unkown:
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mov si, unknown_command
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call os_print_string
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mov si, user_input
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call os_print_string
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jmp .finish
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.finish:
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popa
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call os_start_cli
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.clear:
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call os_set_text_mode
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call os_read_cli.finish
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.help:
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mov si, help_text
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call os_print_string
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call os_read_cli.finish
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.basic:
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call util_basic
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call os_read_cli.finish
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.cat:
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call util_cat
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call os_read_cli.finish
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.ls:
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call util_ls
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call os_read_cli.finish
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.ed:
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call util_ed
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call os_read_cli.finish
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