337 lines
6.8 KiB
NASM
337 lines
6.8 KiB
NASM
;
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; KEYBOARD SCANCODE EXAMPLE
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;
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; Compile with FASM for Menuet
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;
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include "lang.inc"
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include "macros.inc"
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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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START: ; start of execution
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mov eax,66 ; keyboard mode definitions
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mov ebx,1 ; set
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mov ecx,1 ; return scancodes
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int 0x40
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mov eax,26 ; get setup for keyboard
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mov ebx,2
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mov ecx,1 ; base keymap
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mov edx,keymap
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int 0x40
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call draw_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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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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mov esi,scan_codes+1
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mov edi,scan_codes+0
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mov ecx,15
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cld
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rep movsb
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mov esi,key_codes+12
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mov edi,key_codes+0
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mov ecx,15*12
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cld
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rep movsb
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shr eax,8 ; scancode
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and eax,0xff
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mov [scan_codes+15],al
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mov [key_codes+15*12+8],dword 'Down'
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cmp eax,128
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jb no_up
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mov [key_codes+15*12+8],dword 'Up '
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no_up:
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mov ebx,eax
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and ebx,0x7f
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movzx edx,byte [keymap+ebx] ; key from keymap
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mov [key_codes+15*12+0],edx
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mov [key_codes+15*12+4],dword ' '
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movzx edx,byte [ext]
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shl edx,8
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add ebx,edx
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mov esi,ext0-10
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new_ext0:
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add esi,10
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cmp esi,ext0end
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jg exit_ext0
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movzx edx,word [esi]
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cmp edx,ebx
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jne new_ext0
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mov edx,[esi+2]
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mov [key_codes+15*12+0],edx
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mov edx,[esi+6]
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mov [key_codes+15*12+4],edx
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exit_ext0:
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no_ext_off:
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cmp [ext2],0
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je noext2dec
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dec [ext2]
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jne noext2dec
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mov [key_codes+15*12+0],dword '----'
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mov [key_codes+15*12+4],dword '----'
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noext2dec:
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mov [ext],0
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cmp eax,224
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jne no_ext
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mov [key_codes+15*12+0],dword ' '
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mov [key_codes+15*12+4],dword ' '
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mov [key_codes+15*12+8],dword 'Ext '
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mov [ext],1
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no_ext:
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cmp eax,225
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jne no_ext2
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mov [key_codes+15*12+0],dword ' '
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mov [key_codes+15*12+4],dword ' '
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mov [key_codes+15*12+8],dword 'Ext2'
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mov [ext],2
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mov [ext2],2
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no_ext2:
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call draw_codes
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jmp still
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button: ; button
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or eax, -1 ; close this program
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int 0x40
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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, 48 ; GET SYSTEM COLORS
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mov ebx, 3
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mov ecx, sc
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mov edx, sizeof.system_colors
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int 0x40
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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+200 ; [x start] *65536 + [x size]
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mov ecx, 100*65536+275 ; [y start] *65536 + [y size]
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mov edx, [sc.work] ; color of work area RRGGBB,8->color gl
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or edx, 0x03000000
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mov esi, [sc.grab] ; color of grab bar RRGGBB,8->color gl
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or esi, 0x80000000
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mov edi, [sc.frame] ; 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, [sc.grab_text] ; font 1 & color ( 0xF0RRGGBB )
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or ecx, 0x10000000
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mov edx, header ; pointer to text beginning
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mov esi, header.len ; text length
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int 0x40
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mov eax, 4
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mov ebx, 20*65536+35
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mov ecx, 0
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mov edx, text
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mov esi, text.len
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int 0x40
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call draw_codes
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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_codes:
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mov eax,47
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mov ebx,6*65536
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mov edx,20*65536+60
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mov edi,0
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mov esi,0
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newscan:
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pusha
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mov cx,dx
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shl ecx,16
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add ecx,10
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mov eax,13 ; filled rectangle
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mov ebx,20*65536+160
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mov edx,[sc.work]
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int 0x40
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popa
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pusha
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mov ebx,edx
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add ebx,70*65536
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mov eax,4 ; text
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mov ecx,[sc.work_text]
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mov edx,key_codes
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imul edi,12
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add edx,edi
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mov esi,12
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int 0x40
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popa
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movzx ecx,byte [scan_codes+edi]
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int 0x40 ; number
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inc ecx
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add edx,12
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inc edi
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cmp edi,16
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jne newscan
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ret
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; DATA AREA
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ext0:
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db 1,0,'Esc '
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db 28,0,'Enter '
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db 29,0,'L-Ctrl '
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db 41,0,'1/2 '
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db 42,0,'L-Shift '
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db 54,0,'R-Shift '
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db 55,0,'Num * '
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db 56,0,'Alt '
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db 58,0,'CapsLck '
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db 59,0,'F1 '
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db 60,0,'F2 '
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db 61,0,'F3 '
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db 62,0,'F4 '
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db 63,0,'F5 '
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db 64,0,'F6 '
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db 65,0,'F7 '
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db 66,0,'F8 '
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db 67,0,'F9 '
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db 68,0,'F10 '
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db 69,0,'NumLock '
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db 70,0,'SclLock '
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db 71,0,'Num 7 '
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db 72,0,'Num 8 '
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db 73,0,'Num 9 '
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db 74,0,'Num - '
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db 75,0,'Num 4 '
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db 76,0,'Num 5 '
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db 77,0,'Num 6 '
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db 78,0,'Num + '
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db 79,0,'Num 1 '
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db 80,0,'Num 2 '
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db 81,0,'Num 3 '
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db 82,0,'Num 0 '
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db 83,0,'Num , '
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db 87,0,'F11 '
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db 88,0,'F12 '
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db 28,1,'Num Ent '
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db 29,1,'R-Ctrl '
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db 53,1,'Num / '
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db 55,1,'PrScr '
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db 56,1,'Alt Gr '
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db 71,1,'Home '
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db 72,1,'Up-A '
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db 73,1,'PgUp '
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db 75,1,'Left-A '
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db 77,1,'Right-A '
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db 79,1,'End '
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db 80,1,'Down-A '
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db 81,1,'PgDown '
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db 82,1,'Insert '
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db 83,1,'Delete '
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db 91,1,'Menu-1 '
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db 92,1,'Menu-2 '
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db 93,1,'Menu-3 '
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db 29,2,'Break '
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ext0end:
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if lang eq ru
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text:
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db '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>'
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.len = $ - text
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header:
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db '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>'
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.len = $ - header
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else
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text:
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db 'READING RAW SCANCODE DATA'
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.len = $ - text
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header:
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db 'KEYBOARD SCANCODES'
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.len = $ - header
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end if
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ext db 0x0
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ext2 db 0x0
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pos dd 0x0
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I_END:
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sc system_colors
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scan_codes: times 16 db ?
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key_codes: times 16 dd ?,?,?
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keymap:
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