18/Makefile

@@ -1,6 +0,0 @@
-all:
-	nasm -g -felf64 main.s && ld -g main.o
-
-part_1:
-	nasm -g -felf32 main_part1.s && ld -melf_i386 -g main_part1.o
-

18/input

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-U 4 (#479223)
-R 3 (#0dcaf0)
-D 8 (#202b53)
-R 10 (#4f8ea0)
-D 3 (#210eb3)
-R 14 (#4f8ea2)
-D 9 (#3c44b3)
-R 12 (#458112)
-U 9 (#12cf91)
-R 8 (#413da2)
-U 11 (#036641)
-R 5 (#4e1fe0)
-D 4 (#465131)
-R 12 (#01c8c0)
-U 4 (#2aa881)
-R 10 (#4fe8a2)
-U 3 (#341941)
-R 6 (#55c252)
-U 13 (#339dc3)
-R 5 (#449340)
-U 7 (#566e43)
-R 3 (#449342)
-U 10 (#313cc3)
-L 10 (#1e28f2)
-U 9 (#09d973)

18/input_test

@@ -1,14 +0,0 @@
-R 6 (#70c710)
-D 5 (#0dc571)
-L 2 (#5713f0)
-D 2 (#d2c081)
-R 2 (#59c680)
-D 2 (#411b91)
-L 5 (#8ceee2)
-U 2 (#caa173)
-L 1 (#1b58a2)
-U 2 (#caa171)
-R 2 (#7807d2)
-U 3 (#a77fa3)
-L 2 (#015232)
-U 2 (#7a21e3)

18/main.s

@@ -1,65 +0,0 @@
-%include "utils64.s"
-
-global _start
-[bits 64]
-[section .text]
-
-%define FILENAME "input"
-;%define FILENAME "input_test"
-
-_start:
-mov rsi, file
-mov rbp, 11_000_000_000  ; vert
-mov rdi, 1 ; area
-proc_line:
-cmp rsi, file.over
-jae .done
-mov al, '#'
-mov rcx, 32
-xchg rdi, rsi
-repne scasb
-xchg rdi, rsi
-call hex_parse
-mov rbx, rax
-and bl, 3
-shr rax, 4
-inc rsi ; \n
-; process shit
-cmp bl, 0
-je .r
-cmp bl, 1
-je .d
-cmp bl, 2
-je .l
-cmp bl, 3
-je .u
-.r:
-add rdi, rax
-mul rbp
-add rdi, rax
-jmp proc_line
-.l:
-mul rbp
-sub rdi, rax
-jmp proc_line
-.d:
-add rdi, rax
-sub rbp, rax
-jmp proc_line
-.u:
-add rbp, rax
-jmp proc_line
-.done:
-
-hlt:
-hlt     ; go get a debugger, answer in rdi
-jmp hlt
-
-[section .data]
-final_value: dq 0
-file: incbin FILENAME
-.over:
-
-[section .bss]
-
-[section .rodata]

18/main_part1.s

@@ -1,149 +0,0 @@
-%include "utils.s"
-
-global _start
-[bits 32]
-[section .text]
-
-%define FILENAME "input"
-;%define FILENAME "input_test"
-
-;%define PRINT
-
-_start:
-mov esi, file
-mov edi, array+1024*512+512 ; like, the middle idk
-mov byte [edi], 1 ; filled!
-
-proc_line:
-cmp esi, file.over
-jae .done
-lodsb ; RDLU
-%ifdef PRINT
-call print_char
-call space
-%endif
-mov ebx, eax
-inc esi ; space
-call dec_parse ; count
-%ifdef PRINT
-call print_dec
-call newline
-%endif
-; skip to next line
-add esi, 10
-; put in array
-cmp bl, 'R'
-mov ecx, 1
-cmove edx, ecx
-cmp bl, 'L'
-mov ecx, -1
-cmove edx, ecx
-cmp bl, 'D'
-mov ecx, 1024
-cmove edx, ecx
-cmp bl, 'U'
-mov ecx, -1024
-cmove edx, ecx
-mov ecx, eax
-.draw:
-add edi, edx
-mov byte [edi], 1
-loop .draw
-jmp proc_line
-.done:
-
-%ifdef PRINT
-print_array:
-call newline
-mov esi, array
-xor ecx, ecx
-.inner:
-mov bl, '.'
-lodsb
-test al, al
-mov dl, '#'
-cmovnz bx, dx
-mov al, bl
-call print_char
-inc ecx
-cmp ecx, 1024*1024
-jae .done
-mov ebx, ecx
-and ebx, 1023
-jnz .inner
-call newline
-jmp .inner
-.done:
-call newline
-%endif
-
-xor ecx, ecx ; x = 0
-xor ebx, ebx ; y = 0
-mov ebp, 1024*1024 ; count
-call flood_fill
-jmp flood_done
-
-flood_fill:
-mov eax, ebx
-shl eax, 10
-cmp byte [array+eax+ecx], 0
-je .zero
-ret
-.zero:
-dec ebp
-mov byte [array+eax+ecx], 1
-sub esp, 8
-mov [esp+4], ecx
-mov [esp+0], ebx
-.t_right:
-cmp ecx, 1023
-je .t_left
-inc ecx
-call flood_fill
-mov ecx, [esp+4]
-.t_left:
-cmp ecx, 0
-je .t_down
-dec ecx
-call flood_fill
-mov ecx, [esp+4]
-.t_down:
-cmp ebx, 1023
-je .t_up
-inc ebx
-call flood_fill
-mov ebx, [esp+0]
-.t_up:
-cmp ebx, 0
-je .ret
-dec ebx
-call flood_fill
-mov ebx, [esp+0]
-.ret:
-add esp, 8
-ret
-
-flood_done:
-mov [final_value], ebp
-
-game_over:
-mov eax, [final_value]
-call print_dec
-call newline
-jmp exit
-
-PANIC:
-p_string panic_str
-jmp exit
-
-[section .data]
-final_value: dd 0
-file: incbin FILENAME
-.over:
-
-[section .bss]
-array: resb 1024*1024
-
-[section .rodata]
-panic_str: db 10, "AAAAAAAAAAAAAAAAAAAAAA!!!!!!!!!!11111111", 10
-.over:

18/utils.s

@@ -1,285 +0,0 @@
-[bits 32]
-[section .text]
-;             call #  val  val2
-; int $0x80   eax     eax  edx  -
-;
-; arg1  arg2  arg3  arg4  arg5  arg6  arg7  
-; ebx   ecx   edx   esi   edi   ebp   -
-
-exit:
-mov eax, 1 ; exit
-int 0x80
-
-; filename in EBX
-; return handle in EBX 
-; read only
-open_file:
-push eax
-push ecx
-mov eax, 5 ; open
-xor ecx, ecx ; read only
-int 0x80
-mov ebx, eax
-pop ecx
-pop eax
-ret
-
-; file handle in EBX
-; buffer in ECX
-; count of bytes to read in EDX
-; return bytes actually read in EAX
-; exits on error
-read_file:
-mov eax, 3 ; read
-int 0x80
-test eax, eax
-js .err
-ret
-.err:
-mov eax, 4 ; write
-mov ebx, 1 ; stdout
-mov ecx, .err_str
-mov edx, 21
-int 0x80
-jmp exit
-.err_str: db `Could not read file.\n`
-
-; string input in ESI
-; value in EAX
-; CF set if none, clear if some
-; ESI set past checked area
-dec_parse:
-push ebx
-push edx
-push edi
-xor eax, eax
-xor edi, edi
-mov ebx, 10  ; base
-lodsb
-sub al, '0'
-js .no_input
-cmp al, 9
-jle .got_char
-.no_input:
-stc ; set CF
-jmp .done
-.loop:
-xor eax,eax
-lodsb
-sub al, '0'
-js .dec_done
-cmp al, 9
-jg .dec_done
-.got_char:
-xchg edi,eax
-mul ebx
-add edi,eax
-jmp .loop
-.dec_done:
-clc ; clear CF
-.done:
-mov eax,edi
-pop edi
-pop edx
-pop ebx
-ret
-
-; string input in ESI
-; value in EAX
-; CF set if none, clear if some
-; ESI set past checked area
-sign_dec_parse:
-push ebx
-push ecx
-push edx
-push edi
-xor eax, eax
-xor edi, edi
-xor ecx, ecx ; neg flag
-mov ebx, 10  ; base
-cmp byte [esi], '-'
-jne .no_minus
-inc esi
-mov cl, 1
-.no_minus:
-lodsb
-sub al, '0'
-js .no_input
-cmp al, 9
-jle .got_char
-.no_input:
-stc ; set CF
-jmp .done
-.loop:
-xor eax,eax
-lodsb
-sub al, '0'
-js .dec_done
-cmp al, 9
-jg .dec_done
-.got_char:
-xchg edi,eax
-mul ebx
-add edi,eax
-jmp .loop
-.dec_done:
-test ecx, ecx
-jz .not_neg
-neg edi
-.not_neg:
-clc ; clear CF
-.done:
-mov eax,edi
-pop edi
-pop edx
-pop ecx
-pop ebx
-ret
-
-; modifies no regs
-newline:
-pushad
-push 10
-mov eax, 4 ; write
-mov ebx, 1 ; stdout
-mov ecx, esp ; string
-mov edx, 1 ; length
-int 0x80
-add esp, 4
-popad
-ret
-; modifies no regs
-space:
-pushad
-push 9
-mov eax, 4 ; write
-mov ebx, 1 ; stdout
-mov ecx, esp ; string
-mov edx, 1 ; length
-int 0x80
-add esp, 4
-popad
-ret
-
-; input in EAX, all regs unmodified
-print_dec:
-pushad ; save regs
-; max 4294967296 is 10 chars
-; round to nearest 32-bit boundary
-sub esp, 12
-; string in ECX, length in EDX
-lea ecx, [esp+11] ; last possible byte
-; check for 0
-test eax, eax
-jz .zero
-mov ebx, 10 ; base 10
-xor esi, esi ; counter
-.div_shit:
-xor edx, edx
-; divide
-div ebx
-dec ecx ; next char
-inc esi
-; store
-add dl, '0'
-mov byte [ecx], dl
-; check if done
-test eax, eax
-jnz .div_shit ; continue
-mov edx, esi ; counter in edx
-jmp .write
-.zero:
-mov byte [ecx], '0'
-mov edx, 1 ; length
-.write:
-mov eax, 4 ; write
-mov ebx, 1 ; stdout
-int 0x80
-add esp, 12 ; restore stack
-popad ; restore regs
-ret
-
-; input in EAX, all regs unmodified
-print_sign_dec:
-pushad ; save regs
-; range -2147483648 to 2147483647 is 11 chars
-; round to nearest 32-bit boundary
-sub esp, 12
-; string in ECX, length in EDX
-lea ecx, [esp+11] ; last possible byte
-; check for 0, negative
-xor ebp, ebp
-test eax, eax
-jz .zero
-jns .positive
-neg eax
-mov ebp, 1
-.positive:
-mov ebx, 10 ; base 10
-xor esi, esi ; counter
-.div_shit:
-xor edx, edx
-; divide
-div ebx
-dec ecx ; next char
-inc esi
-; store
-add dl, '0'
-mov byte [ecx], dl
-; check if done
-test eax, eax
-jnz .div_shit ; continue
-mov edx, esi ; counter in edx
-jmp .write
-.zero:
-mov byte [ecx], '0'
-mov edx, 1 ; length
-.write:
-test ebp, ebp
-jz .no_minus
-dec ecx
-inc edx
-mov byte [ecx], '-'
-.no_minus:
-mov eax, 4 ; write
-mov ebx, 1 ; stdout
-int 0x80
-add esp, 12 ; restore stack
-popad ; restore regs
-ret
-
-; input in ESI, len in ECX, all regs unmodified
-print_string:
-pushad ; save regs
-mov eax, 4 ; write
-mov ebx, 1 ; stdout
-mov edx, ecx ; length
-mov ecx, esi ; string
-int 0x80
-popad ; restore regs
-ret
-
-; input in AL, all regs unmodified
-print_char:
-pushad ; save regs
-push eax
-mov eax, 4 ; write
-mov ebx, 1 ; stdout
-mov edx, 1 ; length
-mov ecx, esp ; string
-int 0x80
-add esp, 4
-popad ; restore regs
-ret
-
-; --- MACROS ---
-%define len(x) x %+ .over  -  x
-%macro p_string 1
-    push esi
-    push ecx
-    mov esi, %1
-    mov ecx, len(%1)
-    call print_string
-    pop ecx
-    pop esi
-%endmacro

18/utils64.s

@@ -1,117 +0,0 @@
-[bits 64]
-[section .text]
-; string input in RSI
-; value in RAX
-; CF set if none, clear if some
-; RSI set past checked area
-dec_parse:
-sub rsp, 24
-mov [rsp+16], rbx
-mov [rsp+8], rdx
-mov [rsp+0], rdi
-xor rax, rax
-xor rdi, rdi
-mov rbx, 10  ; base
-lodsb
-sub al, '0'
-js .no_input
-cmp al, 9
-jle .got_char
-.no_input:
-stc ; set CF
-jmp .done
-.loop:
-xor rax,rax
-lodsb
-sub al, '0'
-js .dec_done
-cmp al, 9
-jg .dec_done
-.got_char:
-xchg rdi,rax
-mul rbx
-add rdi,rax
-jmp .loop
-.dec_done:
-clc ; clear CF
-.done:
-mov rax, rdi
-mov rdi, [rsp+0]
-mov rdx, [rsp+8]
-mov rbx, [rsp+16]
-add rsp, 24
-ret
-
-; string input in RSI
-; value in RAX
-; CF set if none, cear if some
-; RSI set past checked area
-hex_parse:
-sub rsp, 24
-mov [rsp+16], rbx
-mov [rsp+8], rdx
-mov [rsp+0], rdi
-xor rax, rax
-xor rdi, rdi
-lodsb
-cmp al, '0'
-jb .no_input
-cmp al, '9'
-jbe .got_dec_char
-cmp al, 'A'
-jb .no_input
-cmp al, 'F'
-jbe .got_ualpha_char
-cmp al, 'a'
-jb .no_input
-cmp al, 'f'
-jbe .got_ualpha_char
-.no_input:
-stc ; set CF
-jmp .done
-.loop:
-xor rax,rax
-lodsb
-cmp al, '0'
-jb .hex_done
-cmp al, '9'
-jbe .got_dec_char
-cmp al, 'A'
-jb .hex_done
-cmp al, 'F'
-jbe .got_ualpha_char
-cmp al, 'a'
-jb .hex_done
-cmp al, 'f'
-jbe .got_ualpha_char
-jmp .hex_done
-.got_dec_char:
-sub al, '0'
-xchg rdi,rax
-shl rax, 4
-add rdi,rax
-jmp .loop
-.got_alpha_char:
-sub al, 'A'-10
-xchg rdi,rax
-shl rax, 4
-add rdi,rax
-jmp .loop
-.got_ualpha_char:
-sub al, 'a'-10
-xchg rdi,rax
-shl rax, 4
-add rdi,rax
-jmp .loop
-.hex_done:
-clc ; clear CF
-.done:
-mov rax, rdi
-mov rdi, [rsp+0]
-mov rdx, [rsp+8]
-mov rbx, [rsp+16]
-add rsp, 24
-ret
-
-; --- MACROS ---
-%define len(x) x %+ .over  -  x