mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-02 13:36:57 +03:00
156 lines
2.4 KiB
NASM
156 lines
2.4 KiB
NASM
; Originally written by Jarek Pelczar
|
|
include "lang.inc"
|
|
include "..\..\..\macros.inc"
|
|
|
|
WND_SIZE_X = 320
|
|
WND_SIZE_Y = 200
|
|
|
|
MEOS_APP_START
|
|
CODE
|
|
fninit
|
|
mcall 40,101b
|
|
call init_palette
|
|
call init_texture
|
|
jmp .paint_window
|
|
.event_loop:
|
|
mcall 23,1
|
|
test eax,eax
|
|
je .draw_screen
|
|
dec eax
|
|
je .paint_window
|
|
|
|
or eax,-1
|
|
mcall
|
|
|
|
.draw_screen:
|
|
xor ebp,ebp
|
|
mcall 65,virtual_screen_8,<WND_SIZE_X,WND_SIZE_Y>,0,8,_palette
|
|
call rotate_pal
|
|
jmp .event_loop
|
|
|
|
.paint_window:
|
|
mcall 12,1
|
|
|
|
mcall 48,4 ; get skin height
|
|
lea ecx,[eax + (110 shl 16) + WND_SIZE_Y + 4]
|
|
mov edi,title
|
|
mcall 0,<110,WND_SIZE_X+9>,,0x74000000
|
|
|
|
xor ebp,ebp
|
|
mcall 65,virtual_screen_8,<WND_SIZE_X,WND_SIZE_Y>,0,8,_palette
|
|
|
|
mcall 12,2
|
|
|
|
jmp .event_loop
|
|
|
|
init_palette:
|
|
mov edi,_palette
|
|
mov ecx,64
|
|
xor eax,eax
|
|
.color1:
|
|
inc ah
|
|
mov al,ah
|
|
stosb
|
|
xor al,al
|
|
stosb
|
|
stosb
|
|
stosb
|
|
loop .color1
|
|
mov ecx,64
|
|
push ecx
|
|
xor eax,eax
|
|
.color2:
|
|
mov al,63
|
|
stosb
|
|
mov al,ah
|
|
stosb
|
|
xor al,al
|
|
stosb
|
|
stosb
|
|
inc ah
|
|
loop .color2
|
|
pop ecx
|
|
push ecx
|
|
xor eax,eax
|
|
.color3:
|
|
mov al,63
|
|
stosb
|
|
stosb
|
|
mov al,ah
|
|
stosb
|
|
mov al,0
|
|
stosb
|
|
inc ah
|
|
loop .color3
|
|
pop ecx
|
|
mov eax,0x003f3f3f
|
|
rep stosd
|
|
ret
|
|
|
|
init_texture:
|
|
fldpi
|
|
mov [_fpom16],180
|
|
fidiv [_fpom16]
|
|
fstp [_st_rad]
|
|
mov edi,virtual_screen_8
|
|
cdq
|
|
.itex_vertical:
|
|
xor ecx,ecx
|
|
fld [_st_rad]
|
|
mov [_fpom16],5
|
|
fimul [_fpom16]
|
|
mov [_fpom16],dx
|
|
fimul [_fpom16]
|
|
fsin
|
|
fmul [_multiplier]
|
|
fstp [_fpom32]
|
|
.itex_horizontal:
|
|
fld [_st_rad]
|
|
mov [_fpom16],3
|
|
fimul [_fpom16]
|
|
mov [_fpom16],cx
|
|
fimul [_fpom16]
|
|
fsin
|
|
fmul [_multiplier]
|
|
fadd [_fpom32]
|
|
mov [_fpom16],127
|
|
fiadd [_fpom16]
|
|
fistp [_fpom16]
|
|
mov ax,[_fpom16]
|
|
inc eax
|
|
stosb
|
|
inc ecx
|
|
cmp ecx,WND_SIZE_X
|
|
jne .itex_horizontal
|
|
inc edx
|
|
cmp edx,WND_SIZE_Y
|
|
jne .itex_vertical
|
|
ret
|
|
|
|
rotate_pal:
|
|
mov ebx,[_palette+4]
|
|
mov edi,_palette+4
|
|
mov esi,_palette+8
|
|
xor ecx,ecx
|
|
mov cl,255
|
|
; cld
|
|
rep movsd
|
|
mov [_palette+1020],ebx
|
|
ret
|
|
|
|
DATA
|
|
_multiplier dd 63.5
|
|
|
|
title db 'Plasma',0
|
|
|
|
UDATA
|
|
_fpom32 rd 1
|
|
_fpom16 rw 1
|
|
_st_rad rd 1
|
|
_palette: rd 256
|
|
|
|
virtual_screen_8:
|
|
rb WND_SIZE_X*WND_SIZE_Y
|
|
|
|
MEOS_APP_END
|