| 0,0 → 1,128 |
|---|
| ;
[dest] ¨§ EAX |
| test_path: |
| pushad |
| mov cx, [lineCoord + eax*2 - 4] |
| mov edx, eax |
| cmp eax, [current] |
| je .recurs_call |
| |
| cmp eax, [dest] |
| je .end_yes |
| |
| cmp byte [eax + lineBall - 2], 0 |
| jne .end_no |
| |
| or byte [eax + lineBall - 2], 0x8 ;4-© ¡¨â - 1 (cheked) |
| |
| .recurs_call: |
| ;â㯮© ¢ë§®¢ ¤«ï á®á¥¤¨å ª«¥â®ª |
| test cl, cl |
| jz @F |
| sub eax, 9 |
| call test_path |
| jc .end_yes |
| |
| @@: |
| test cl, 8 |
| jnz @F |
| mov eax, edx |
| add eax, 9 |
| call test_path |
| jc .end_yes |
| |
| @@: |
| test ch, ch |
| jz @F |
| mov eax, edx |
| dec eax |
| call test_path |
| jc .end_yes |
| |
| @@: |
| test ch, 8 |
| jnz .end_no |
| mov eax, edx |
| inc eax |
| call test_path |
| jc .end_yes |
| |
| .end_no: |
| clc |
| popad |
| ret |
| .end_yes: |
| stc |
| popad |
| ret |
| |
| ;
([dest] - ID ª®¯ª¨ ¤«ï ¯®¨áª ) |
| find_line: |
| mov dword [findRightLeft], 0 ;®¡ã«ï¥¬ ç «ìë¥ § 票ï |
| |
| mov eax, [dest] |
| add eax, lineBall - 2 |
| mov dh, [eax] |
| mov [baseAddr], eax |
| or byte [eax], 0xF0 |
| |
| mov ecx, 8 ;¢ ecx - áç¥â稪 |
| .cycle_find: |
| lea eax, [ecx*4 + ecx] |
| shl eax, 1 ;eax = ecx*10 |
| mov edi, [eax + findTable - 4] ;edi - ªã¤ë § ¯¨áë¢ âì १-âë |
| mov ebp, [eax + findTable - 8] ;ebp - ¯à¨¡ ¢«¥¨¥ ¤à¥á |
| mov bx, [eax + findTable - 10] ;bx - ¯à¨¡ ¢«¥¨¥ ª®®à¤¨ â |
| mov dl, cl |
| shl dl, 4 |
| mov esi, [baseAddr] |
| mov eax, [dest] |
| mov ax, [eax*2 + lineCoord - 4] |
| .small_cycle_find: |
| add al, bh |
| cmp al, 8 ;¢ [0..8] ? |
| ja @F |
| add ah, bl |
| cmp ah, 8 |
| ja @F |
| |
| add esi, ebp |
| cmp byte [esi], dh |
| jne @F |
| |
| or byte [esi], dl |
| inc byte [edi] |
| jmp .small_cycle_find |
| @@: |
| loop .cycle_find |
| ret |
| |
| findRightLeft db ? |
| findUpRight_DownLeft db ? |
| findUpDown db ? |
| findUpLeft_DownRight db ? |
| |
| findTable: |
| Up: |
| db -1, 0 |
| dd -1, findUpDown |
| Down: |
| db +1, 0 |
| dd +1, findUpDown |
| Left: |
| db 0, -1 |
| dd -9, findRightLeft |
| Right: |
| db 0, +1 |
| dd +9, findRightLeft |
| UpLeft: |
| db -1, -1 |
| dd -10, findUpLeft_DownRight |
| DownRight: |
| db +1, +1 |
| dd +10, findUpLeft_DownRight |
| UpRight: |
| db -1, +1 |
| dd +8, findUpRight_DownLeft |
| DownLeft: |
| db +1, -1 |
| dd -8, findUpRight_DownLeft |