201 lines
3.9 KiB
NASM
201 lines
3.9 KiB
NASM
;
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; TRANSPARENT EXAMPLE
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;
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; Compile with FASM for Menuet
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;
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use32
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org 0x0
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db 'MENUET01' ; 8 byte id
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dd 0x01 ; header version
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dd START ; start of code
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dd I_END ; size of image
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dd 0x30000 ; memory for app
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dd 0x30000 ; esp
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dd 0x0 , 0x0 ; I_Param , I_Icon
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include 'lang.inc'
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include 'macros.inc'
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START: ; start of execution
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mov [procinfo.x_start], 100
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mov [procinfo.x_size], 200
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mov [procinfo.y_start], 80
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mov [procinfo.y_size], 300
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call draw_window
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red:
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call get_transparent
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call draw_window ; at first, draw the window
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still:
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mov eax,10 ; wait here for event
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int 0x40
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cmp eax,1 ; redraw request ?
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je red
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cmp eax,2 ; key in buffer ?
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je key
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cmp eax,3 ; button in buffer ?
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je button
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jmp still
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key: ; key
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mov al,2 ; just read it and ignore
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int 0x40
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jmp still
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button: ; button
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mov al,17 ; get id
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int 0x40
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cmp ah,1 ; button id=1 ?
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jne noclose
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or eax,-1 ; close this program
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int 0x40
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noclose:
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jmp still
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; *********************************************
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; ******* WINDOW DEFINITIONS AND DRAW ********
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; *********************************************
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draw_window:
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mov eax,12 ; function 12:tell os about windowdraw
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mov ebx,1 ; 1, start of draw
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int 0x40
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; DRAW WINDOW
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xor eax,eax ; function 0 : define and draw window
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mov ebx,[procinfo.x_start]
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shl ebx,16
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add ebx,[procinfo.x_size]
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mov ecx,[procinfo.y_start]
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shl ecx,16
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add ecx,[procinfo.y_size]
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mov edx,0x33000000 ; color of work area RRGGBB,8->color gl
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mov edi,header ; WINDOW LABEL
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int 0x40
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call draw_transparent
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mov eax,12 ; function 12:tell os about windowdraw
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mov ebx,2 ; 2, end of draw
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int 0x40
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ret
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draw_transparent:
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pusha
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mov eax,7
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mov ebx,0x1000
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mov ecx,[procinfo.x_size]
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shl ecx,16
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add ecx,[procinfo.y_size]
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xor edx,edx
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int 0x40
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popa
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ret
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get_transparent:
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pusha
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mov eax,9
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mov ebx,I_END
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mov ecx,-1
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int 0x40
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mov eax,14
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int 0x40
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shr eax,16
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inc eax
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mov [scx],eax
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add [procinfo.x_start], 4
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sub [procinfo.x_size], 4+4
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add [procinfo.y_start], 22
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sub [procinfo.y_size], 22+4
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mov eax,[procinfo.x_start]
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add eax,[procinfo.x_size]
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mov [x_end],eax
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mov eax,[procinfo.y_start]
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add eax,[procinfo.y_size]
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mov [y_end],eax
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mov eax,[procinfo.x_start]
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mov ebx,[procinfo.y_start]
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dtpl1:
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push eax
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push ebx
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imul ebx,[scx]
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add ebx,eax
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mov eax,35
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int 0x40
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or eax, 0x4e4e4e
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mov ebx,[esp+4]
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mov ecx,[esp]
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sub ebx,[procinfo.x_start]
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sub ecx,[procinfo.y_start]
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imul ecx,[procinfo.x_size]
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imul ebx,3
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imul ecx,3
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add ebx,ecx
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mov [0x1000+ebx],eax
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pop ebx
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pop eax
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inc eax
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cmp eax,[x_end]
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jb dtpl1
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mov eax,[procinfo.x_start]
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inc ebx
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cmp ebx,[y_end]
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jb dtpl1
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popa
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ret
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; DATA AREA
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;x_start dd 100
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;y_start dd 80
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;x_size dd 160
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;y_size dd 200
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x_end dd 0
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y_end dd 0
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scx dd 640
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header db 'Transparent',0
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I_END:
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procinfo process_information
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