430 lines
10 KiB
ArmAsm
430 lines
10 KiB
ArmAsm
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%include "utils.s"
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global _start
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[bits 32]
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[section .text]
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%define LINE_LEN 111 ; real
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%define FILENAME "input"
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;%define LINE_LEN 11 ; test
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;%define FILENAME "input_test"
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;%define ITER_PRINT
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_start:
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; bit 3 bit 2 bit 1 bit 0
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; up down left right
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; top left starts going right
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mov byte [energized], 1
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next_iteration:
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%ifdef ITER_PRINT
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; debug printing
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dbg:
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xor esi, esi ; top line
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.for_lines:
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xor ecx, ecx ; leftmost char
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.for_chars:
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movzx eax, byte [esi+ecx+energized]
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movzx ebx, byte [esi+ecx+file]
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pushad
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test al, al
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jz .prnt_char
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p_string ansi_color_highbold_green
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cmp bl, '.'
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jne .prnt_char
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popcnt ecx, eax
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cmp ecx, 1
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jg .prnt_num
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cmp al, 1
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je .prnt_right
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cmp al, 2
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je .prnt_left
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cmp al, 4
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je .prnt_down
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.prnt_up: mov al, '^'
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call print_char
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jmp .prnt_done
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.prnt_down: mov al, 'v'
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call print_char
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jmp .prnt_done
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.prnt_left: mov al, '<'
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call print_char
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jmp .prnt_done
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.prnt_right: mov al, '>'
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call print_char
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jmp .prnt_done
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.prnt_num:
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mov eax, ecx
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call print_dec
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jmp .prnt_done
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.prnt_char:
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mov al, [esi+ecx+file]
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call print_char
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.prnt_done:
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p_string ansi_color_reset
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popad
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.for_chars_cont:
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inc ecx
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cmp ecx, LINE_LEN-2
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jbe .for_chars
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.for_chars_done:
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.for_lines_cont:
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call newline
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add esi, LINE_LEN
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cmp esi, len(file)
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jb .for_lines
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call newline
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; debug printing end
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%endif
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xor esi, esi ; top line
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for_lines:
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xor ecx, ecx ; leftmost char
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for_chars:
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movzx eax, byte [esi+ecx+energized]
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movzx ebx, byte [esi+ecx+file]
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; skip if not energized
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test eax, eax
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jz for_chars_cont
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; select thing
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cmp bl, '.'
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je empty
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cmp bl, '/'
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je mirror_one
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cmp bl, '\'
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je mirror_two
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cmp bl, '-'
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je horz_split
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cmp bl, '|'
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je vert_split
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p_string what_the_fuck
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jmp exit
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empty: ; .
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; propagate
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; test right
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bt eax, 0
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jnc .t_left
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or byte [esi+ecx+energized+1], 1<<0
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.t_left:
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bt eax, 1
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jnc .t_down
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or byte [esi+ecx+energized-1], 1<<1
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.t_down:
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bt eax, 2
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jnc .t_up
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or byte [esi+ecx+energized+LINE_LEN], 1<<2
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.t_up:
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bt eax, 3
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jnc .done
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or byte [esi+ecx+energized-LINE_LEN], 1<<3
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.done:
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jmp for_chars_cont
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mirror_one: ; /
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; our energized is what hits us
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; test right >/
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bt eax, 0
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jnc .t_left
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or byte [esi+ecx+energized-LINE_LEN], 1<<3 ; up char going up
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.t_left: ; /<
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bt eax, 1
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jnc .t_down
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or byte [esi+ecx+energized+LINE_LEN], 1<<2 ; down going down
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.t_down:
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bt eax, 2 ; v
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jnc .t_up ; /
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or byte [esi+ecx+energized-1], 1<<1 ; left going left
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.t_up:
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bt eax, 3 ; /
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jnc .done ; ^
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or byte [esi+ecx+energized+1], 1<<0 ; right going right
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.done:
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jmp for_chars_cont
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mirror_two: ; \
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; our energized is what hits us
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; test right >\
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bt eax, 0
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jnc .t_left
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or byte [esi+ecx+energized+LINE_LEN], 1<<2 ; down char going down
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.t_left: ; \<
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bt eax, 1
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jnc .t_down
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or byte [esi+ecx+energized-LINE_LEN], 1<<3 ; up going up
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.t_down:
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bt eax, 2 ; v
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jnc .t_up ; \
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or byte [esi+ecx+energized+1], 1<<0 ; right going right
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.t_up:
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bt eax, 3 ; \
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jnc .done ; ^
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or byte [esi+ecx+energized-1], 1<<1 ; left going left
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.done:
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jmp for_chars_cont
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horz_split: ; -
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; our energized is what hits us
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; right and left propagate
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; test right
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bt eax, 0
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jnc .t_left
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or byte [esi+ecx+energized+1], 1<<0
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.t_left:
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bt eax, 1
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jnc .t_vert
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or byte [esi+ecx+energized-1], 1<<1
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; down and up go both left and right
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.t_vert:
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and eax, 1<<2 | 1<<3
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jz .done
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or byte [esi+ecx+energized+1], 1<<0 ; right going right
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or byte [esi+ecx+energized-1], 1<<1 ; left going left
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.done:
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jmp for_chars_cont
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vert_split: ; |
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; our energized is what hits us
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; down and up propagate
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; test down
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bt eax, 2
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jnc .t_up
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or byte [esi+ecx+energized+LINE_LEN], 1<<2
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.t_up:
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bt eax, 3
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jnc .t_vert
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or byte [esi+ecx+energized-LINE_LEN], 1<<3
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; left and right go both down and up
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.t_vert:
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and eax, 1<<0 | 1<<1
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jz .done
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or byte [esi+ecx+energized+LINE_LEN], 1<<2 ; down going down
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or byte [esi+ecx+energized-LINE_LEN], 1<<3 ; up going up
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.done:
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for_chars_cont:
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inc ecx
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cmp ecx, LINE_LEN-2
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jbe for_chars
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for_chars_done:
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for_lines_cont:
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add esi, LINE_LEN
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cmp esi, len(file)
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jb for_lines
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xor ebp, ebp ; energized count
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sub esi, LINE_LEN ; last line
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; now go through backward
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bkwd_for_lines:
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mov ecx, LINE_LEN-2 ; rightmost char
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bkwd_for_chars:
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movzx eax, byte [esi+ecx+energized]
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movzx ebx, byte [esi+ecx+file]
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; skip if not energized
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test eax, eax
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jz bkwd_for_chars_cont
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inc ebp ; energized count
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; select thing
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cmp bl, '.'
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je bkwd_empty
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cmp bl, '/'
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je bkwd_mirror_one
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cmp bl, '\'
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je bkwd_mirror_two
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cmp bl, '-'
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je bkwd_horz_split
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cmp bl, '|'
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je bkwd_vert_split
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p_string what_the_fuck
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jmp exit
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bkwd_empty: ; .
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; propagate
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; test right
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bt eax, 0
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jnc .t_left
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or byte [esi+ecx+energized+1], 1<<0
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.t_left:
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bt eax, 1
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jnc .t_down
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or byte [esi+ecx+energized-1], 1<<1
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.t_down:
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bt eax, 2
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jnc .t_up
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or byte [esi+ecx+energized+LINE_LEN], 1<<2
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.t_up:
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bt eax, 3
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jnc .done
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or byte [esi+ecx+energized-LINE_LEN], 1<<3
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.done:
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jmp bkwd_for_chars_cont
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bkwd_mirror_one: ; /
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; our energized is what hits us
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; test right >/
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bt eax, 0
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jnc .t_left
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or byte [esi+ecx+energized-LINE_LEN], 1<<3 ; up char going up
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.t_left: ; /<
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bt eax, 1
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jnc .t_down
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or byte [esi+ecx+energized+LINE_LEN], 1<<2 ; down going down
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.t_down:
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bt eax, 2 ; v
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jnc .t_up ; /
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or byte [esi+ecx+energized-1], 1<<1 ; left going left
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.t_up:
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bt eax, 3 ; /
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jnc .done ; ^
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or byte [esi+ecx+energized+1], 1<<0 ; right going right
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.done:
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jmp bkwd_for_chars_cont
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bkwd_mirror_two: ; \
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; our energized is what hits us
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; test right >\
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bt eax, 0
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jnc .t_left
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or byte [esi+ecx+energized+LINE_LEN], 1<<2 ; down char going down
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.t_left: ; \<
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bt eax, 1
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jnc .t_down
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or byte [esi+ecx+energized-LINE_LEN], 1<<3 ; up going up
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.t_down:
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bt eax, 2 ; v
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jnc .t_up ; \
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or byte [esi+ecx+energized+1], 1<<0 ; right going right
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.t_up:
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bt eax, 3 ; \
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jnc .done ; ^
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or byte [esi+ecx+energized-1], 1<<1 ; left going left
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.done:
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jmp bkwd_for_chars_cont
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bkwd_horz_split: ; -
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; our energized is what hits us
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; right and left propagate
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; test right
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bt eax, 0
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jnc .t_left
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or byte [esi+ecx+energized+1], 1<<0
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.t_left:
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bt eax, 1
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jnc .t_vert
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or byte [esi+ecx+energized-1], 1<<1
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; down and up go both left and right
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.t_vert:
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and eax, 1<<2 | 1<<3
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jz .done
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or byte [esi+ecx+energized+1], 1<<0 ; right going right
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or byte [esi+ecx+energized-1], 1<<1 ; left going left
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.done:
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jmp bkwd_for_chars_cont
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bkwd_vert_split: ; |
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; our energized is what hits us
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; down and up propagate
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; test down
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bt eax, 2
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jnc .t_up
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or byte [esi+ecx+energized+LINE_LEN], 1<<2
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.t_up:
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bt eax, 3
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jnc .t_vert
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or byte [esi+ecx+energized-LINE_LEN], 1<<3
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; left and right go both down and up
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.t_vert:
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and eax, 1<<0 | 1<<1
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jz .done
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or byte [esi+ecx+energized+LINE_LEN], 1<<2 ; down going down
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or byte [esi+ecx+energized-LINE_LEN], 1<<3 ; up going up
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.done:
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bkwd_for_chars_cont:
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dec ecx
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jnz bkwd_for_chars
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bkwd_for_chars_done:
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bkwd_for_lines_cont:
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sub esi, LINE_LEN
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jns bkwd_for_lines
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cmp ebp, [last_energized]
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mov [last_energized], ebp
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jne next_iteration
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; print final
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xor ebp, ebp
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print_final:
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xor esi, esi ; top line
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.for_lines:
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xor ecx, ecx ; leftmost char
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.for_chars:
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movzx eax, byte [esi+ecx+energized]
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movzx ebx, byte [esi+ecx+file]
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test al, al
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jz .prnt_char
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inc ebp
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p_string ansi_color_highbold_green
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cmp bl, '.'
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jne .prnt_char
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popcnt edx, eax
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cmp edx, 1
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jg .prnt_num
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cmp al, 1
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je .prnt_right
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cmp al, 2
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je .prnt_left
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cmp al, 4
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je .prnt_down
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.prnt_up: mov al, '^'
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call print_char
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jmp .prnt_done
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.prnt_down: mov al, 'v'
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call print_char
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jmp .prnt_done
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.prnt_left: mov al, '<'
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|
|
call print_char
|
||
|
|
jmp .prnt_done
|
||
|
|
.prnt_right: mov al, '>'
|
||
|
|
call print_char
|
||
|
|
jmp .prnt_done
|
||
|
|
.prnt_num:
|
||
|
|
mov eax, edx
|
||
|
|
call print_dec
|
||
|
|
jmp .prnt_done
|
||
|
|
.prnt_char:
|
||
|
|
mov al, [esi+ecx+file]
|
||
|
|
call print_char
|
||
|
|
.prnt_done:
|
||
|
|
p_string ansi_color_reset
|
||
|
|
.for_chars_cont:
|
||
|
|
inc ecx
|
||
|
|
cmp ecx, LINE_LEN-2
|
||
|
|
jbe .for_chars
|
||
|
|
.for_chars_done:
|
||
|
|
.for_lines_cont:
|
||
|
|
call newline
|
||
|
|
add esi, LINE_LEN
|
||
|
|
cmp esi, len(file)
|
||
|
|
jb .for_lines
|
||
|
|
call newline
|
||
|
|
|
||
|
|
game_over:
|
||
|
|
mov eax, ebp
|
||
|
|
call print_dec
|
||
|
|
call newline
|
||
|
|
jmp exit
|
||
|
|
|
||
|
|
[section .data]
|
||
|
|
final_value: dd 0
|
||
|
|
last_energized: dd 0
|
||
|
|
file: incbin FILENAME
|
||
|
|
.over:
|
||
|
|
|
||
|
|
[section .bss]
|
||
|
|
padding: resb 128
|
||
|
|
energized: resb 128*128
|
||
|
|
|
||
|
|
[section .rodata]
|
||
|
|
what_the_fuck: db "Something is terribly wrong in this world."
|
||
|
|
.over:
|
||
|
|
ansi_color_reset: db `\e[0m`
|
||
|
|
.over:
|
||
|
|
ansi_color_green: db `\e[0;32m`
|
||
|
|
.over:
|
||
|
|
ansi_color_highbold_green: db `\e[1;92m`
|
||
|
|
.over:
|