75 lines
1.1 KiB
ArmAsm
75 lines
1.1 KiB
ArmAsm
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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xor ebp, ebp ; line num
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; for chars in line
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do_line:
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xor ebx, ebx ; col num
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jmp .loop
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.cont:
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inc ebx ; col num
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.loop:
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lodsb
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cmp al, 10 ; \n
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je line_done
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cmp al, '#'
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je .cube_rock
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cmp al, 'O'
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je .round_rock
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; else .
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jmp .cont
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.cube_rock:
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; move the next spot to after this
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lea eax, [ebp+1]
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mov [col_next_spot+ebx], al
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jmp .cont
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.round_rock:
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; add to next spot line load
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movzx eax, byte [col_next_spot+ebx]
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inc byte [line_load_cnt+eax]
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; increment next spot
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inc byte [col_next_spot+ebx]
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jmp .cont
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line_done:
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inc ebp ; line num
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cmp esi, file.over
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jb do_line
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lea ecx, [ebp-1]
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output_loads:
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mov ebx, ebp
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sub ebx, ecx
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mov eax, ebx
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call print_dec
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call space
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movzx eax, byte [ecx+line_load_cnt-1]
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call print_dec
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call space
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mul ebx
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call print_dec
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call newline
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add [final_value], eax
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loop output_loads
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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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line_len: dd 0
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final_value: dd 0
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file: incbin "input"
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.over:
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[section .bss]
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col_next_spot: resb 128
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line_load_cnt: resb 128
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