150 lines
1.9 KiB
ArmAsm
150 lines
1.9 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 FILENAME "input"
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;%define FILENAME "input_test"
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;%define PRINT
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_start:
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mov esi, file
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mov edi, array+1024*512+512 ; like, the middle idk
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mov byte [edi], 1 ; filled!
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proc_line:
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cmp esi, file.over
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jae .done
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lodsb ; RDLU
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%ifdef PRINT
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call print_char
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call space
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%endif
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mov ebx, eax
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inc esi ; space
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call dec_parse ; count
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%ifdef PRINT
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call print_dec
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call newline
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%endif
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; skip to next line
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add esi, 10
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; put in array
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cmp bl, 'R'
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mov ecx, 1
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cmove edx, ecx
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cmp bl, 'L'
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mov ecx, -1
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cmove edx, ecx
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cmp bl, 'D'
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mov ecx, 1024
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cmove edx, ecx
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cmp bl, 'U'
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mov ecx, -1024
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cmove edx, ecx
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mov ecx, eax
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.draw:
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add edi, edx
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mov byte [edi], 1
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loop .draw
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jmp proc_line
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.done:
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%ifdef PRINT
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print_array:
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call newline
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mov esi, array
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xor ecx, ecx
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.inner:
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mov bl, '.'
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lodsb
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test al, al
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mov dl, '#'
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cmovnz bx, dx
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mov al, bl
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call print_char
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inc ecx
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cmp ecx, 1024*1024
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jae .done
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mov ebx, ecx
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and ebx, 1023
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jnz .inner
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call newline
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jmp .inner
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.done:
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call newline
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%endif
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xor ecx, ecx ; x = 0
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xor ebx, ebx ; y = 0
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mov ebp, 1024*1024 ; count
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call flood_fill
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jmp flood_done
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flood_fill:
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mov eax, ebx
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shl eax, 10
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cmp byte [array+eax+ecx], 0
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je .zero
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ret
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.zero:
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dec ebp
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mov byte [array+eax+ecx], 1
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sub esp, 8
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mov [esp+4], ecx
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mov [esp+0], ebx
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.t_right:
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cmp ecx, 1023
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je .t_left
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inc ecx
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call flood_fill
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mov ecx, [esp+4]
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.t_left:
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cmp ecx, 0
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je .t_down
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dec ecx
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call flood_fill
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mov ecx, [esp+4]
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.t_down:
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cmp ebx, 1023
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je .t_up
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inc ebx
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call flood_fill
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mov ebx, [esp+0]
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.t_up:
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cmp ebx, 0
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je .ret
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dec ebx
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call flood_fill
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mov ebx, [esp+0]
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.ret:
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add esp, 8
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ret
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flood_done:
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mov [final_value], ebp
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game_over:
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mov eax, [final_value]
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call print_dec
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call newline
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jmp exit
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PANIC:
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p_string panic_str
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jmp exit
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[section .data]
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final_value: dd 0
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file: incbin FILENAME
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.over:
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[section .bss]
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array: resb 1024*1024
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[section .rodata]
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panic_str: db 10, "AAAAAAAAAAAAAAAAAAAAAA!!!!!!!!!!11111111", 10
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.over:
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