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@yan12125 yan12125/build.cmd
Last active Dec 11, 2015

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Win32 Assembly example
ml /c winapi.asm
link winapi.asm /subsystem:console
.386
.model flat, stdcall
COORD STRUC
X WORD ?
Y WORD ?
COORD ENDS
GetStdHandle PROTO STDCALL :DWORD
SetConsoleTextAttribute PROTO STDCALL :DWORD,:DWORD
SetConsoleCursorPosition PROTO STDCALL :DWORD,:COORD
CloseHandle PROTO STDCALL :DWORD
GetTickCount PROTO STDCALL
ExitProcess PROTO STDCALL :DWORD
printf PROTO C :VARARG
system PROTO C :DWORD
rand PROTO C
time PROTO C :DWORD
srand PROTO C :DWORD
memset PROTO C :DWORD,:DWORD,:DWORD
_getch PROTO C
; my own functions
printGrid PROTO C n:DWORD
getArrowKey PROTO C
moveCursor PROTO C X:WORD,Y:WORD
includelib kernel32.lib
includelib msvcrt.lib
.data
format1 db "%d",10,0
format2 db "%c",0
newline db 10,0
cmd_pause db "pause",0
cmd_cls db "cls",0
hStdOut DWORD ?
STD_OUTPUT_HANDLE equ -11
BOARD_SIZE equ 16
last_char BYTE ?
dir BYTE ?
.code
main PROC
LOCAL curX:WORD,curY:WORD,oldX:WORD,oldY:WORD
invoke system,offset cmd_cls
invoke GetTickCount
invoke srand,eax
invoke GetStdHandle, STD_OUTPUT_HANDLE
mov hStdOut, eax
invoke SetConsoleTextAttribute,hStdOut,38 ; some random color code
invoke rand
invoke printf,offset format1,eax
invoke SetConsoleTextAttribute,hStdOut,7 ; restore default color
invoke system,offset cmd_pause
invoke system,offset cmd_cls
invoke printGrid,BOARD_SIZE
invoke moveCursor,0,0
mov curX,0
mov curY,0
GO:
push curX
pop oldX
push curY
pop oldY
invoke _getch
cmp al,-32
jne OTHER_KEYS
invoke getArrowKey
cmp ax,0
je GO
; al is deltaX, ah is deltaY
mov bx,curX
mov cx,curY
add bl,al
add cl,ah
mov curX,bx
mov curY,cx
cmp curX,BOARD_SIZE
jge OUT_OF_RANGE
cmp curY,BOARD_SIZE
jge OUT_OF_RANGE
invoke moveCursor,curX,curY
jmp GO
OTHER_KEYS:
cmp al,'q'
je EXIT
cmp al,' '
je PUT_BOMB
jmp GO
PUT_BOMB:
invoke printf,offset format2,'O'
invoke moveCursor,curX,curY
jmp GO
OUT_OF_RANGE:
push oldX
pop curX
push oldY
pop curY
jmp GO
EXIT:
invoke system,offset cmd_cls
invoke CloseHandle,hStdOut
invoke ExitProcess,0
main ENDP
printGrid PROC C n:DWORD
LOCAL i:DWORD,j:DWORD
mov i,1
LOOP1:
mov j,1
LOOP2:
invoke printf,offset format2,'X'
inc j
mov eax,j
cmp eax,n
jle LOOP2
invoke printf,offset newline
inc i
mov eax,i
cmp eax,n
jle LOOP1
ret
printGrid ENDP
getArrowKey PROC C
mov eax,0
invoke _getch
cmp al,75
je LEFT
cmp al,77
je RIGHT
cmp al,72
je UP
cmp al,80
je DOWN
jmp NOT_ARROW_KEY
UP:
mov al,0
mov ah,-1
ret
LEFT:
mov al,-1
mov ah,0
ret
RIGHT:
mov al,1
mov ah,0
ret
DOWN:
mov al,0
mov ah,1
ret
NOT_ARROW_KEY:
mov eax,0
ret
getArrowKey ENDP
moveCursor PROC C X:WORD,Y:WORD
LOCAL pos:COORD
mov ax,X
mov pos.X,ax
mov ax,Y
mov pos.Y,ax
invoke SetConsoleCurSorPosition,hStdOut,pos
ret
moveCursor ENDP
END main
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