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| .686
.model flat, stdcall
option casemap :none
include \masm32\include\windows.inc
include \masm32\include\user32.inc
include \masm32\include\kernel32.inc
include \masm32\include\masm32.inc
includelib \masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
includelib \masm32\lib\masm32.lib
.data
aszMsgInstant db 0Dh, 0Ah, 'Matrix:', 0Dh, 0Ah, 0
aszMsgResult db 'Array:', 0Dh, 0Ah, 0
aszInteger db '%8d', 0
aszPressEnter db 0Dh, 0Ah, 0Dh, 0Ah, "Press ENTER to exit", 0
aszCrLf db 0Dh, 0Ah, 0
N dd 5
Matrix dd 11, 12, 13, 14, 15
dd 21, 22, 23, 24, 25
dd 31, 32, 33, 34, 35
dd 41, 42, 43, 44, 45
dd 51, 52, 53, 54, 55
.data?
hConsoleOutput HANDLE ?
hConsoleInput HANDLE ?
Array dd 1024 dup(?)
Result dd ?
Buffer db 1024 dup(?)
BufLen dd ?
.code
ShowMatrix proc lpMatrix:DWORD, uiRows:DWORD, uiCols:DWORD
pushad
cmp [uiRows], 0
je @@Exit
cmp [uiCols], 0
je @@Exit
mov ecx, [uiRows]
mov esi, [lpMatrix]
@@ForI:
push ecx
mov ecx, [uiCols]
@@ForJ:
push ecx
lodsd
invoke wsprintf, ADDR Buffer, ADDR aszInteger, eax
invoke StrLen, ADDR Buffer
mov [BufLen], eax
invoke WriteConsole, hConsoleOutput, ADDR Buffer,\
BufLen, ADDR BufLen, NULL
pop ecx
loop @@ForJ
invoke WriteConsole, hConsoleOutput, ADDR aszCrLf,\
LENGTHOF aszCrLf - 1, ADDR BufLen, NULL
pop ecx
loop @@ForI
@@Exit:
popad
ret
ShowMatrix endp
ShowArray proc lpArray:DWORD, uiAmount:DWORD
pushad
mov ecx, [uiAmount]
mov esi, [lpArray]
@@ForI:
push ecx
lodsd
invoke wsprintf, ADDR Buffer, ADDR aszInteger, eax
mov [BufLen], eax
invoke WriteConsole, hConsoleOutput, ADDR Buffer,\
BufLen, ADDR BufLen, NULL
pop ecx
loop @@ForI
popad
ret
ShowArray endp
main proc
; получение описателей ввода и вывода консоли
invoke GetStdHandle, STD_INPUT_HANDLE
mov hConsoleInput, eax
invoke GetStdHandle, STD_OUTPUT_HANDLE
mov hConsoleOutput, eax
invoke ClearScreen
;вывод исходных данных
invoke WriteConsole, hConsoleOutput, ADDR aszMsgInstant,\
LENGTHOF aszMsgInstant - 1, ADDR BufLen, NULL
invoke ShowMatrix, ADDR Matrix, [N], [N]
;обработка: преобразование в массив
lea ebx, [Matrix]
lea edi, [Array]
mov ecx, 0 ; for (int s = 0; s <= n + n - 2; s++)
_forS: ; {
test ecx, 1 ; if (s % 2 == 1)
jz _else
mov esi, 0 ; for (int i = 0; i <= s; i++)
_forI: ; {
mov eax, ecx ; int j = s - i;
sub eax, esi
cmp esi, [N] ; if (i < n && j < n)
jae _nextI
cmp eax, [N]
jae _nextI
push eax ; result.Add(a[i, j]);
mov eax, [N]
mul esi
pop edx
add eax, edx
shl eax, 2
mov eax, [ebx+eax]
stosd
_nextI:
inc esi
cmp esi, ecx
jbe _forI
jmp _nextS ; }
_else: ; else
mov esi, ecx ; for (int i = s; i >= 0; i--)
_forII: ; {
mov eax, ecx ; int j = s - i;
sub eax, esi
cmp esi, [N] ; if (i < n && j < n)
jae _nextII
cmp eax, [N]
jae _nextII
push eax ; result.Add(a[i, j]);
mov eax, [N]
mul esi
pop edx
add eax, edx
shl eax, 2
mov eax, [ebx+eax]
stosd
_nextII:
dec esi
jns _forII ; }
_nextS:
inc ecx
mov eax, [N]
add eax, eax
sub eax, 2
cmp ecx, eax
jbe _forS ; }
;вывод результата
invoke WriteConsole, hConsoleOutput, ADDR aszMsgResult,\
LENGTHOF aszMsgResult - 1, ADDR BufLen, NULL
mov eax, [N]
mul eax
mov ebx, eax
invoke ShowArray, ADDR Array, ebx
;ожидание нажатия ENTER
invoke WriteConsole, hConsoleOutput, ADDR aszPressEnter,\
LENGTHOF aszPressEnter - 1, ADDR BufLen, NULL
invoke ReadConsole, hConsoleInput, ADDR Buffer,\
LENGTHOF Buffer, ADDR BufLen, NULL
invoke ExitProcess, 0
main endp
end main |
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