125 lines
1.9 KiB
ArmAsm
125 lines
1.9 KiB
ArmAsm
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global _start
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[bits 32]
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[section .text]
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%include "utils.s"
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_start:
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mov esi, file
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parse_line:
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; find first num
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mov ebp, esi ; line start
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.first_num:
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mov edi, esi ; save before loc
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call dec_parse
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jc .first_num
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; edi has pointer to just before numbers
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mov ecx, edi
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sub ecx, ebp
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dec ecx ; space
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xchg esi, ebp
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mov [line_len], ecx
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mov edi, line
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rep movsb
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xchg esi, ebp
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mov dword [contiguous_broken+ 0], 0
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mov dword [contiguous_broken+ 4], 0
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mov dword [contiguous_broken+ 8], 0
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mov dword [contiguous_broken+12], 0
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mov edi, contiguous_broken
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stosb
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.next_num:
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cmp byte [esi-1], 10 ; \n
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je .newline
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call dec_parse
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jc .next_num
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.got_num:
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stosb
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jmp .next_num
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.newline:
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push esi ; save input line
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mov esi, line
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mov ecx, [line_len]
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xor ebx, ebx
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count_qs:
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lodsb
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cmp al, '?'
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jne .cont
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stc
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rcl ebx, 1
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.cont:
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loop count_qs
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push ebx ; ? final setting
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test_possibilities:
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xor ebp, ebp ; ? settings
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xor ebx, ebx ; poss counter
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.next_poss:
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mov edx, ebp
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mov esi, line
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mov ecx, [line_len]
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xor eax, eax ; ah - curr broke run, al - lodsb
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mov edi, contiguous_broken
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.next_poss_loop:
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lodsb
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cmp al, '.'
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je .working
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cmp al, '#'
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je .broke
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; else ? - select based on edx
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rcr edx, 1
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jc .broke
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.working:
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cmp ah, 0
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je .cont ; no broke
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cmp [edi], ah
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jne .fail_poss
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inc edi
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mov ah, 0
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jmp .cont
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.broke:
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inc ah
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.cont:
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loop .next_poss_loop
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cmp [edi], ah
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jne .fail_poss
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cmp byte [edi+1], 0
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jne .fail_poss
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inc ebx ; poss counter
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mov eax, ebp
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;call print_dec
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;call space
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.fail_poss:
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.next_poss_cont:
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inc ebp ; ? settings
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cmp ebp, [esp] ; cmp to final
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jbe .next_poss
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;call newline
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mov eax, ebx
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call print_dec
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call newline
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add [final_value], ebx
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add esp, 4
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pop esi
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cmp esi, file.over-1
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jb parse_line
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call newline
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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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[section .data]
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final_value: dd 0
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line_len: dd 0
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file: incbin "input"
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.over:
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nl_str: db "new line!"
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.over:
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[section .bss]
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contiguous_broken: resb 16
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line: resb 256
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