434 lines
17 KiB
NASM
434 lines
17 KiB
NASM
;
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; MENU 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 0x1000 ; memory for app
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dd 0x1000 ; 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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call draw_window ; draw window
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call clear_data ; clear status bar
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still:
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mov eax,10 ; wait here for event
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int 0x40 ; do it
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cmp eax,1 ; redraw request ?
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je red ; yes jump to it
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cmp eax,2 ; key in buffer ?
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je key ; yes jump to it
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cmp eax,3 ; button in buffer ?
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je button ; yes jump to it
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jmp still ; start again
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red: ; redraw
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call draw_window ; redraw window
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call clear_data ; clear status info
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jmp still ; start again
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key: ; key
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mov eax,2 ; just read it and ignore
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int 0x40 ; do it
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jmp still ; start again
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button: ; button
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mov eax,17 ; get id
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int 0x40 ; do it
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cmp ah,1 ; is it the close button
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jne noclose ; no then jump code
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mov eax,-1 ; close this program
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int 0x40 ; do it
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noclose:
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cmp ah,100 ; is it main menu
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jb not_menu ; no then jump code
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cmp ah,104 ; is it main menu
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ja not_menu ; no then jump code
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call draw_window ; redraw window
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call clear_data ; clear status info
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call draw_data ; update status info
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call write_sub ; draw a sub menu
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jmp still ; start again
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not_menu:
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cmp ah,110 ; is it a sub menu
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jb not_sub ; no then jump code
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cmp ah,145 ; is it a sub menu
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ja not_sub ; no then jump code
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call draw_window ; redraw window
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call clear_data ; clear status info
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mov [button_press],1 ; sub button pressed
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call draw_data ; update status info
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mov [button_press],0 ; clear pressed
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jmp still ; start again
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not_sub:
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jmp still ; start again
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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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push eax ; save register
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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 ; do it
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mov eax,0 ; function 0: define and draw window
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mov ebx,50*65536 ; [x start] *65536
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add ebx,[x_size] ; add [x size]
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mov ecx,50*65536 ; [y start] *65536
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add ecx,[y_size] ; add [y size]
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mov edx,0x80ffffff ; colour of work area RRGGBB
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mov esi,0x806688dd ; grab bar colour. negative glide
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int 0x40 ; do it
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mov eax,4 ; function 4: write text to window
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mov ebx,6*65536+7 ; [x start] *65536 + [y start]
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mov ecx,0x00ffffff ; text colour
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mov edx,window_text ; pointer to text beginning
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mov esi,12 ; text length
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int 0x40 ; do it
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mov eax,8 ; function 8: define and draw button
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mov ebx,(381-18)*65536+13 ; [x start] *65536 + [x size]
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mov ecx,4*65536+13 ; [y start] *65536 + [y size]
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mov edx,1 ; button id
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mov esi,0x6688dd ; button color RRGGBB
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int 0x40 ; do it
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mov eax,13 ; function 13: draw bar
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mov ebx,1*65536 ; [x start] *65536
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add ebx,[x_size] ; add [x size]
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dec ebx ; x size - 1
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mov ecx,[y_size] ; [y start] *65536
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sub ecx,17 ; minus height
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shl ecx,16 ; *65536
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add ecx,17 ; add height
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mov edx,0x006688dd ; bar colour
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int 0x40 ; do it
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mov eax,4 ; function 4 : write text to window
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mov ebx,5*65536 ; [x start] *65536
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add ebx,[y_size] ; add [y start]
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sub ebx,12 ; move up
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xor ecx,ecx ; text colour
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mov edx,button_no ; pointer to text beginning
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mov esi,14 ; text length
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int 0x40 ; do it
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add ebx,95*65536 ; move xy position
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mov edx,menu_text ; pointer to text beginning
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int 0x40 ; do it
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call write_main ; draw menu
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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 ; do it
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pop eax ; restore register
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ret ; return
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; ************* WRITE MAIN *************
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write_main:
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mov eax,13 ; function 13: draw bar
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mov ebx,1*65536 ; [x start] *65536
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add ebx,[x_size] ; +[x_size]
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dec ebx ; x size - 1
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mov ecx,21*65536+17 ; [y start] *65536 +[y size]
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mov edx,[menu_colour] ; menu colour
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int 0x40 ; do it
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mov [main_pos],1 ; start position first button
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xor edi,edi ; data offset = 0
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next_main_item:
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mov al,[MENU_DATA+edi] ; get byte at menu_data + offset
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cmp al,'E' ; is it the END
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je main_get_out ; yes then exit
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cmp al,'0' ; is it a main menu item
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jne not_main_menu ; no then jump code
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main_menu:
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mov al,[MENU_DATA+edi+1] ; get byte at menu_data + offset + 1
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cmp al,'0' ; is it a divider
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je is_main_bar ; yes then jump code
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mov eax,8 ; function 8: define button
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mov ebx,[main_pos] ; [x start]
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shl ebx,16 ; *65536
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add bl,75 ; +[x size]
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mov ecx,21*65536+16 ; [y start] *65536 +[y size]
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xor edx,edx ; clear register
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mov dl,[MENU_DATA+edi+2] ; get byte button id number
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mov esi,[menu_colour] ; button colour
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int 0x40 ; do it
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mov eax,4 ; function 4: write text to window
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add ebx,6*65536-49 ; move xy position
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xor ecx,ecx ; text colour
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mov edx,MENU_DATA+3 ; point at menu text
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add edx,edi ; add our offset
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mov esi,11 ; number of characters
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int 0x40 ; do it
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is_main_bar:
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add [main_pos],76 ; update button position
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not_main_menu:
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add edi,14 ; update offset
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jmp next_main_item ; do next menu item
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main_get_out:
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ret ; return
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; *********** DRAW DATA ***********
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draw_data:
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push eax ; save register
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mov ebx,0x00030000 ; display 3 decimal characters
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xor ecx,ecx ; clear register
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mov cl,ah ; swap data
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mov eax,47 ; function 47: display number to window
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mov edx,70*65536 ; [x start] *65536
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add edx,[y_size] ; +[y start]
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sub edx,12 ; move position
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xor esi,esi ; text colour
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int 0x40 ; do it
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pop eax ; restore register
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cmp [button_press],1 ; has a sub button been pressed
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je draw_get_out ; then jump code
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push eax ; save register
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xor edx,edx ; clear register
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shr ax,8 ; move button id into al
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sub eax,100 ; subtract 100
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mov dx,14 ; use record length as multiplier
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mul dx ; multiply
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mov edx,eax ; swap registers
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add edx,MENU_DATA ; add offset
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inc edx ; add 1
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mov ebx,188*65536 ; [x start] *65536
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add ebx,[y_size] ; +[y start]
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sub ebx,12 ; move position
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mov esi,1 ; 1 character
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mov eax,4 ; function 4: write text to window
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xor ecx,ecx ; text colour
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int 0x40 ; do it
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pop eax ; restore register
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draw_get_out:
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ret ; return
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; **************** CLEAR DATA ******************
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clear_data:
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push eax ; save register
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mov eax,13 ; function 13: draw bar
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mov ebx,67*65536+23 ; [x start] *65536 +[x size]
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mov ecx,[y_size] ; [y start]
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sub ecx,15 ; move position
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shl ecx,16 ; *65536
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add ecx,13 ; [y size]
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mov edx,0x00aaaaaa ; bar colour
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int 0x40 ; do it
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mov ebx,185*65536+11 ; move position
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int 0x40 ; do it again
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pop eax ; restore register
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ret ; return
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; ************* WRITE SUB *************
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write_sub:
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push eax ; save register
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mov [but_pos],38 ; y start position offset
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mov [sub_pos],1 ; x start position offset
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xor edx,edx ; clear register
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shr ax,8 ; move button id into al
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sub eax,100 ; subtract 100
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mov dx,76 ; menu width + 1
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mul dx ; multiply
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add [sub_pos],eax ; add menu position to offset
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pop eax ; restore register
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xor edx,edx ; clear register
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shr ax,8 ; move button id into al
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sub eax,100 ; subtract 100
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mov dx,14 ; use record length as multiplier
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mul dx ; multiply
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add eax,MENU_DATA ; add offset
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inc eax ; plus 1
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mov al,[eax] ; get menu number byte
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mov [menu_number],al ; save it
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xor edi,edi ; clear offset
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next_sub_item:
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mov al,[MENU_DATA+edi] ; get byte at menu_data + offset
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cmp al,'E' ; is it the END
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je sub_get_out ; yes then exit
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cmp al,[menu_number] ; is it sub menu item
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jne not_sub_menu ; no then jump code
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sub_menu:
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mov al,[MENU_DATA+edi+1] ; get byte at menu_data + offset + 1
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cmp al,'0' ; is it a divider
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jne is_sub_button ; no then jump code
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mov eax,13 ; function 13: draw bar
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mov edx,[menu_colour] ; bar colour
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mov ebx,[sub_pos] ; [x start]
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shl ebx,16 ; *65536
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add ebx,76 ; [x size]
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mov ecx,[but_pos] ; [y start]
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shl ecx,16 ; *65536
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add ecx,17 ; [y size]
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int 0x40 ; do it
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jmp is_sub_bar ; jump button code
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is_sub_button:
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mov eax,8 ; function 8: define and draw button
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xor edx,edx ; clear register
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mov dl,[MENU_DATA+edi+2] ; get byte button id number
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mov ebx,[sub_pos] ; [x start]
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shl ebx,16 ; *65536
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add ebx,75 ; [x size]
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mov ecx,[but_pos] ; [y start]
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shl ecx,16 ; *65536
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add ecx,16 ; [y size]
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mov esi,[menu_colour] ; button colour
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int 0x40 ; do it
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mov ebx,[sub_pos] ; [x start]
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shl ebx,16 ; *65536
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add ebx,6*65536 ; move position
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add ebx,[but_pos] ; [y start]
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add bl,5 ; move position
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xor ecx,ecx ; clear register
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mov edx,MENU_DATA+3 ; point to button text
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add edx,edi ; add offset
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mov esi,11 ; number of characters
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mov eax,4 ; function 4: write text to window
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int 0x40 ; do it
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is_sub_bar:
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add [but_pos],17 ; move y position
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not_sub_menu:
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add edi,14 ; move offset
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jmp next_sub_item ; do next button
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sub_get_out:
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ret ; return
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; ***************** DATA AREA ******************
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x_size: dd 381 ; window x size
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y_size: dd 200 ; window y size
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window_text db 'MENU EXAMPLE' ; grab bar text
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button_no db 'BUTTON No: ' ; status bar text
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menu_text db 'MENU SELECTED:' ; status bar text
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button_press dd 0
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menu_colour dd 0x00aaaaaa ; menu & button colour
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menu_number db '0' ; menu selection
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sub_pos dd 1 ; sub menu x position
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but_pos dd 38 ; sub menu y position
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main_pos dd 1 ; main menu x position
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MENU_DATA: db '01' ; MAIN MENU = 0 - 1 = menu
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db 100 ; button id
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db 'FILE ' ; button text
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db '02' ; MAIN MENU = 0 - 2 = menu
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db 101 ; button id
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db 'EDIT ' ; button text
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db '04' ; MAIN MENU = 0 - 3 = menu
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db 102 ; button id
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db 'TEST ' ; button text
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db '00' ; MAIN MENU = 0 - 0 = divider
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db 103 ; SPACER ID
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db ' ' ; SPACER TEXT padding
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db '03' ; MAIN MENU = 0 - 4 = menu
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db 104 ; button id
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db 'HELP ' ; button text
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db '11' ; menu level = 1 - 1 = button
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db 110 ; button id
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db 'LOAD ' ; button text
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db '11' ; menu level = 1 - 1 = button
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db 111 ; button id
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db 'SAVE ' ; button text
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db '10' ; menu level = 1 - 0 = divider
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db 112 ; SPACER ID
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db ' ' ; SPACER TEXT padding
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db '11' ; menu level = 1 - 1 = button
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db 113 ; button id
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db 'QUIT ' ; button text
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db '21' ; menu level = 2 - 1 = button
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db 120 ; button id
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db 'COPY ' ; button text
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db '21' ; menu level = 2 - 1 = button
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db 121 ; button id
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db 'PASTE ' ; button text
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db '31' ; menu level = 3 - 1 = button
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db 130 ; button id
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db 'SETUP ' ; button text
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db '31' ; menu level = 3 - 1 = button
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db 131 ; button id
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db 'ABOUT.. ' ; button text
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db '41' ; menu level = 3 - 1 = button
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db 140 ; button id
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db 'TEST 1 ' ; button text
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db '41' ; menu level = 3 - 1 = button
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db 141 ; button id
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db 'TEST 2 ' ; button text
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db '41' ; menu level = 3 - 1 = button
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db 142 ; button id
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db 'TEST 3 ' ; button text
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db '41' ; menu level = 3 - 1 = button
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db 143 ; button id
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db 'TEST 4 ' ; button text
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db '41' ; menu level = 3 - 1 = button
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db 144 ; button id
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db 'TEST 5 ' ; button text
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db '41' ; menu level = 3 - 1 = button
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db 145 ; button id
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db 'TEST 6 ' ; button text
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db 'END' ; IMPORTANT need an END
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I_END:
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