349 lines
5.9 KiB
NASM
349 lines
5.9 KiB
NASM
;
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; MAGNIFY SCREEN
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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 'MENUET00' ; 8 byte id
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dd 38 ; required os
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dd START ; program start
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dd I_END ; program image size
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dd 0x10000 ; required amount of memory
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dd 0x10000
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dd 0x00000000 ; reserved=no extended header
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include 'lang.inc'
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include 'macros.inc'
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scr equ 0x1000
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START: ; start of execution
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mov esp,0xfff0
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mov eax,14 ; get screen size
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int 0x40
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push eax
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and eax,0x0000ffff
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add eax,1
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mov [size_y],eax
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pop eax
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shr eax,16
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add eax,1
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mov [size_x],eax
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mov eax,[size_x]
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shr eax,2
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mov [cmp_ecx],eax
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mov eax,[size_x]
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xor edx,edx
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mov ebx,3
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mul ebx
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mov [add_esi],eax
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mov eax,[size_y]
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shr eax,2
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mov [cmp_edx],eax
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call draw_window ; at first, draw the window
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still:
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call draw_screen
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mov eax,23 ; wait here for event with timeout
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mov ebx,[delay]
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int 0x40
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cmp eax,1 ; redraw request ?
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jz red
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cmp eax,2 ; key in buffer ?
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jz key
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cmp eax,3 ; button in buffer ?
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jz button
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jmp still
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red: ; redraw
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call draw_window
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jmp still
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key: ; key
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mov eax,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 eax,17 ; get id
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int 0x40
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cmp ah,1 ; button id=1 ?
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jnz noclose
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mov eax,0xffffffff ; close this program
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int 0x40
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noclose:
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cmp ah,2
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jnz nosave
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call save_screen
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nosave:
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jmp still
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save_screen:
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pusha
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mov ebx,0
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mov edi,0x10000
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ss1:
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mov eax,35
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int 0x40
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add ebx,1
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mov [edi],eax
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add edi,3
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cmp edi,0xFFFF0
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jb ss1
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mov eax,33
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mov ebx,filename
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mov ecx,0x10000
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mov edx,0xEFFF0
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mov esi,0
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int 0x40
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popa
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ret
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filename db 'SCREEN RAW'
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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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mov eax,0 ; function 0 : define and draw window
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mov ebx,100*65536 ; [x start] *65536 + [x size]
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mov ebx,100*65536+322
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mov ecx,100*65536+262 ; [y start] *65536 + [y size]
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mov edx,0x0;01111cc ; color of work area RRGGBB
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mov esi,0x809977ff ; color of grab bar RRGGBB,8->color glide
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mov edi,0x00ffff00 ; color of frames RRGGBB
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int 0x40
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; WINDOW LABEL
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mov eax,4 ; function 4 : write text to window
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mov ebx,8*65536+8 ; [x start] *65536 + [y start]
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mov ecx,0x00ffffff ; color of text RRGGBB
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mov edx,labelt ; pointer to text beginning
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mov esi,labellen-labelt ; text length
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int 0x40
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; CLOSE BUTTON
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mov eax,8 ; function 8 : define and draw button
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mov bx,12 ; [x start] *65536 + [x size]
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mov ebx,(322-19)*65536+12
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mov ecx,5*65536+12 ; [y start] *65536 + [y size]
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mov edx,1 ; button id
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mov esi,0x22aacc ; button color RRGGBB
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int 0x40
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call draw_screen
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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_screen:
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call draw_magnify
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ret
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pusha
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mov edi,scr
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mov ecx,0
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mov edx,0
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mov esi,0
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ds1:
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mov eax,35
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mov ebx,esi
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int 0x40
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stosd
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sub edi,1
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add esi,4
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add ecx,1
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cmp ecx,[cmp_ecx] ; 800/4
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jb ds1
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add esi,[add_esi] ; 800*3
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mov ecx,0
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add edx,1
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cmp edx,[cmp_edx] ; 600/4
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jb ds1
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mov eax,7
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mov ebx,scr
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mov ecx,200*65536+160
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mov ecx,[size_x]
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shr ecx,2
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shl ecx,16
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mov cx,word [size_y]
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shr cx,2
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mov edx,20*65536+35
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int 0x40
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popa
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call draw_magnify
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ret
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draw_magnify:
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pusha
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mov eax,37
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mov ebx,0
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int 0x40
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mov ecx,eax
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mov edx,eax
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shr ecx,16
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and edx,65535
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sub ecx,39
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sub edx,29
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cmp ecx,3000
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jb co1
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popa
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ret
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co1:
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cmp edx,3000
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jb co2
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popa
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ret
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co2:
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and ecx,2047
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and edx,2047
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mov [m_x],ecx
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mov [m_y],edx
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add ecx,40
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add edx,30
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mov [m_xe],ecx
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mov [m_ye],edx
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mov ecx,[m_x]
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mov edx,[m_y]
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dm1:
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push edx
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mov eax,edx
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mul [size_x]
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pop edx
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add eax,ecx
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mov ebx,eax
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mov eax,35
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int 0x40
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pusha
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mov ebx,ecx
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sub ebx,[m_x]
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mov ecx,edx
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sub ecx,[m_y]
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shl ebx,3
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add ebx,2
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shl ebx,16
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mov bx,7
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shl ecx,3
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add ecx,22
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shl ecx,16
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mov cx,7
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mov edx,eax
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mov eax,13
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int 0x40
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popa
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add ecx,1
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cmp ecx,[m_xe]
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jnz dm1
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mov ecx,[m_x]
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add edx,1
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cmp edx,[m_ye]
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jnz dm1
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popa
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ret
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; DATA AREA
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m_x dd 100
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m_y dd 100
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m_xe dd 110
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m_ye dd 110
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size_x dd 0
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size_y dd 0
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cmp_ecx dd 0
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add_esi dd 0
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cmp_edx dd 0
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delay dd 20
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labelt:
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db 'MAGNIFIER - MOVE MOUSE POINTER'
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labellen:
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I_END:
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