kolibrios-fun/programs/demos/bcdclk/trunk/bcdclk.asm
Yogev Ezra 1bff75b733 Add bcdclk
git-svn-id: svn://kolibrios.org@1798 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-01-29 20:21:42 +00:00

138 lines
2.0 KiB
NASM

;
; BCD CLOCK
;
; Compile with FASM for Menuet
;
;
use32
org 0x0
db 'MENUET01'
dd 0x01
dd START
dd I_END
dd 0x1000
dd 0x1000
dd 0x0 , 0x0
include 'lang.inc'
include '../../../macros.inc'
START:
red:
call drawwindow
still:
mov eax,23 ; wait for timeout
mov ebx,50
mcall
cmp eax,1 ; redraw ?
je red
cmp eax,3 ; button in buffer ?
je button
call drawclock
jmp still
button:
mov al,17 ; get id
mcall
cmp ah,1 ; button id=1 ?
jne noclose
or eax,-1 ; close this program
mcall
noclose:
jmp still
drawclock:
mov eax,3 ; get time
mcall
bswap eax
shr eax,8
mov edi,dg1
mov ecx,6
dgtomem:
push eax
and al,15
mov [edi],al
inc edi
pop eax
shr eax,4
loop dgtomem
mov ebx,74*65536+10
mov edi,dg1
digitlp:
mov ecx,10*65536+10
xor esi,esi
plotlp:
xor edx,edx
test byte[edi],8
je nobit
mov edx,0x00ff0000
nobit:
mov eax,13 ; plot 8,4,2,1
mcall
add ecx,12*65536
shl byte[edi],1
inc esi
cmp esi,4
jne plotlp
shr byte[edi],4
mov edx,0x00880040
mov eax,13 ; draw digit box
mcall
pusha
mov edx,ebx
and edx,0xffff0000
shr ecx,16
or edx,ecx
add edx,3*65536+2
mov ebx,0x00010100
mov ecx,[edi]
mov esi,0x00ffffff
mov eax,47 ; display decimal
mcall
popa
sub ebx,12*65536
inc edi
cmp edi,dg1+6
jne digitlp
ret
drawwindow:
mov eax,12
mov ebx,1 ; start redraw
mcall
xor eax,eax ; window
mov ebx,100*65536+107
mov ecx,100*65536+105
mov edx,0x34400088
mov edi,title
mcall
call drawclock
mov eax,12
mov ebx,2 ; end redraw
mcall
ret
title db 'BCD Clock',0
I_END:
dg1: db ?