kolibrios/programs/demos/fire/trunk/fire.asm

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NASM
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;
; FIRE for MENUET - Compile with FASM
;
use32
org 0x0
db 'MENUET01' ; 8 byte id
dd 1 ; header version
dd START ; program start
dd I_END ; image size
dd mem_end ; reguired amount of memory
dd mem_end
dd 0,0 ; no parameters, no path
include '..\..\..\macros.inc'
START:
red:
; ************************************************
; ********* WINDOW DEFINITIONS AND DRAW **********
; ************************************************
draw_window:
mov eax,12 ; tell os about redraw
mov ebx,1
mcall
xor eax,eax ; define and draw window
mov ebx,100*65536+321
mov ecx,70*65536+222
mov edx,0x00000000
mov esi,0x00000000
mov edi,0x00000000
mcall
mov al,4 ; 'FIRE FOR MENUET'
mov ebx,110*65536+8
mov ecx,dword 0x00FFFFFF
mov edx,text
mov esi,textlen-text
mcall
mov al,8
mov ebx,(321-19)*65536+12 ; button start x & size
mov ecx,5*65536+12 ; button start y & size
mov edx,1 ; button number
mov esi,0x009a0000
mcall
mov ebx,ecx ;5*65536+12
inc edx
mcall
mov ebx,18*65536+12
inc edx
mcall
mov ebx,31*65536+12
inc edx
mcall
mov al,12 ; tell os about redraw end
mov ebx,2
mcall
sta: ; calculate fire image
mov esi, FireScreen+0x2300-80
mov ecx, 80
mov eax, [FireSeed]
NEWLINE:
mul [RandSeedConst]
inc eax
mov [esi], dl
inc esi
loop NEWLINE
mov [FireSeed], eax
mov ecx, 0x2300-80
sub esi, ecx
xor edx, edx
xor eax, eax
FIRELOOP:
lodsb
cmp [type], ah
jnz notype1
mov dl, [esi + 1]
add eax, edx
mov dl, [esi]
add eax, edx
mov dl, [esi + 80]
jmp typedone
notype1:
; cmp [type],1
; jnz notype2
mov dl, [esi - 2]
; add eax, edx
; mov dl, [esi - 2]
; add eax, edx
lea eax, [eax + edx*2]
mov dl, [esi + 78]
; notype2:
; type 2 is never used
; cmp [type],2
; jnz notype3
; mov dl, [esi - 2]
; add eax, edx
; mov dl, [esi]
; add eax, edx
; mov dl, [esi + 80]
; notype3:
typedone:
add eax, edx
shr eax, 2
jz ZERO
dec eax
ZERO:
mov [esi - 81], al
loop FIRELOOP
mov al, 5 ; in this moment always high 24 bits of eax are zero!
mov ebx,[delay]
mcall
inc [calc]
cmp [calc], byte 2
jnz nodrw
pdraw:
mov byte [calc],ah ;byte 0
mov edi,ImageData
push edi ; pointer for sysfunction 7, draw image
add edi,[fcolor]
mov esi,FireScreen
xor edx,edx
newc:
xor eax, eax
lodsb
mov ecx,eax
shr eax,1
add cl,al
mov ch,al
mov [edi+0],ecx
mov [edi+3],ecx
mov [edi+6],ecx
mov [edi+9],cx
lea ebx, [edi+320*3]
mov [ebx+0],ecx
mov [ebx+3],ecx
mov [ebx+6],ecx
mov [ebx+9],ecx
add edi,12
inc edx
cmp edx,80
jnz nnl
xor edx,edx
add edi,320*3
nnl:
cmp esi,FireScreen+8000; 0x2000
jnz newc
mov al,7 ; display image
; high 24 bits of eax are zero!
pop ebx
mov ecx,4*80*65536+200
mov edx,1*65536+22
mcall
nodrw:
mov eax,11 ; check if os wants to talk to us
mcall
dec eax
jz red
cmp al, 3-1
jnz nob4
button: ; get button id
mov al,17
mcall
shr eax, 8
dec eax
jnz noclose
or eax,-1 ; close this program
mcall
noclose:
dec eax ; change fire type
jnz nob2
xor [type], 1
nob2:
dec eax ; change delay
jnz nob3
xor [delay], 1
nob3:
dec eax ; change color
jnz nob4
mov eax,[fcolor]
inc eax
; cmp al,2
; jbe fcok
jnp fcok
xor eax,eax
fcok:
mov [fcolor],eax
mov edi,ImageData
mov ecx,(320*600)/4
xor eax,eax
rep stosd
nob4:
jmp sta
; DATA SECTION
RandSeedConst dd 0x8405
fcolor dd 2
xx db 'x'
type db 0
calc db 0
delay dd 0
FireSeed dd 0x1234
text: db 'FIRE FOR MENUET'
textlen:
I_END:
FireScreen:
rb 0x2300
ImageData:
rb 320*200*3
; stack
align 512
rb 512
mem_end: