kolibrios-fun/programs/develop/keyascii/trunk/keyascii.asm

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NASM
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; Author: M. Lisovin
; Compile with FASM for Menuet
;
use32
org 0x0
db 'MENUET01' ; 8 byte id
dd 0x01 ; header version
dd START ; start of code
dd I_END ; size of image
dd 0x1000 ; memory for app
dd 0x1000 ; esp
dd 0x0 , 0x0 ; I_Param , I_Icon
include 'lang.inc'
include '..\..\..\macros.inc'
START: ; start of execution
red:
call draw_window
still:
mov eax,10 ; wait here for event
mcall
cmp eax,1 ; redraw request ?
je red
cmp eax,2 ; key in buffer ?
je key
cmp eax,3 ; button in buffer ?
je button
jmp still
key: ; key
mov eax,2 ; just read it and ignore
mcall
mov [keyid],ah
shr eax,16
mov [scan_keyid],al
call draw_window
jmp still
button: ; button
mov eax,17 ; get id
mcall
cmp ah,1 ; button id=1 ?
jne noclose
or eax,-1 ; close this program
mcall
noclose:
jmp still
; *********************************************
; ******* WINDOW DEFINITIONS AND DRAW ********
; *********************************************
draw_window:
; function 12:tell os about windowdraw ; 1, start of draw
mcall 12,1
; DRAW WINDOW
mov eax,0 ; function 0 : define and draw window
mov ebx,100*65536+270 ; [x start] *65536 + [x size]
mov ecx,100*65536+100 ; [y start] *65536 + [y size]
mov edx,0x34ffffff ; color of work area RRGGBB,8->color gl
mov edi,title
mcall
; function 4 : write text to window
xor ecx,ecx
mcall 4,<33,8>,,text1,6
mcall ,<85,8>,,text2,9
mcall ,<8,28>,,tdec,4
add ebx,23
mcall ,,,thex
movzx ecx,byte [keyid]
mcall 47,0x30000,,<40,28>,0x224466
add edx,23
mov bh,1
mcall
mov bh,0
movzx ecx,byte [scan_keyid]
mcall ,,,<100,28>
add edx,23
mov bh,1
mcall
; function 12:tell os about windowdraw ; 2, end of draw
mcall 12,2
ret
; DATA AREA
text1: db 'ASCII:'
text2: db 'SCANCODE:'
tdec: db 'DEC:'
thex: db 'HEX:'
title: db 'KEYBOARD ASCIICODES-PRESS ANY KEY',0
I_END:
keyid: rb 1
scan_keyid: rb 1