mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-28 09:19:41 +03:00
255 lines
4.5 KiB
NASM
255 lines
4.5 KiB
NASM
;
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; LIFE.ASM
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;
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; This program displays Conways game of life
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;
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; Compile with FASM v1.49 for DOS;
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;
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; Version 0.1a 20th May 2004
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; Ivan Poddubny
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;
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; Version 0.1 30th March 2004
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; Mike Hibbett
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;
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; This is an experiment to see how small a usefull application can get
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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 0xc1000 ; memory for app
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dd 0xc1000 ; esp
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dd 0x0 , 0x0 ; I_Param , I_Icon
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;include "DEBUG.INC"
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macro setcell x,y { mov [esi + 512*(y)*3 + (x)*3], al }
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START:
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mov al, 0xFF
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mov esi, I_END
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; This is the seed pattern.
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; Life needs a seed pattern, which is 'hardcode' at compile time
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; The grid is 512 wide (x direction) by 512 deep (y direction)
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; setcell take the arguments setcell x,y
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; 0,0 is the top left corner.
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; setcell 200,120
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; setcell 201,120
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; setcell 200,121
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; setcell 199,121
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; setcell 200,122
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; setcell 70,120
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; setcell 71,120
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; setcell 70,121
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; setcell 69,121
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; setcell 70,122
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mov eax, 40
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mov ebx, 100101b
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int 0x40
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call draw_window
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still:
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; mov eax, 23 ; wait here for event
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; mov ebx, 5
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; int 0x40
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mov eax, 11
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int 0x40
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test eax, eax
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je nokey
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cmp eax,1 ; redraw request ?
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je red
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cmp eax,3 ; button in buffer ?
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je button
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cmp eax,6
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je mouse
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jmp still
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mouse:
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mov eax, 37
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mov ebx, 2
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int 0x40
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test eax, eax
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jz still
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mov eax, 37
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mov ebx, 1
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int 0x40
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sub eax, 5*65536+20
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mov ebx, eax
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shr eax, 16
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and ebx, 0xffff
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; WRITE COORDINATES
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; dpd eax
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; dps " "
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; dpd ebx
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; dps <10,13>
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cmp ax, 0
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js still
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cmp bx, 0
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js still
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shl ebx, 9
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add ebx, eax
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imul ebx, 3
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add ebx, I_END
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mov [ebx], dword 0xFFFFFFFF
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jmp draw
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red: ; REDRAW WINDOW
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call draw_window
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jmp still
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nokey:
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; cycle life state
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mov eax,5
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mov ebx,5
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int 0x40
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mov esi, I_END + 512*3
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mov al, 0xFF
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lifeloop:
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mov ah, 0
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cmp [esi - 3], al
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jne t2
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inc ah
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t2:
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cmp [esi + 3], al
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jne t3
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inc ah
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t3:
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cmp [esi - 512*3], al
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jne t4
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inc ah
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t4:
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cmp [esi + 512*3], al
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jne t5
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inc ah
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t5:
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cmp [esi - 512*3 - 3], al
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jne t6
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inc ah
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t6:
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cmp [esi - 512*3 + 3], al
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jne t7
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inc ah
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t7:
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cmp [esi + 512*3 - 3], al
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jne t8
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inc ah
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t8:
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cmp [esi + 512*3 + 3], al
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jne tend
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inc ah
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tend:
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; If cell is empty but has 3 neigbours, birth
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; If cell is occupied and has 2,3 neigbours, live
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; else die
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cmp ah, 3
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jne btest
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mov [esi+1], al
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jmp nextcell
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btest:
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cmp ah, 2
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jne nextcell
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cmp [esi], al
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jne nextcell
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mov [esi+1], al
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nextcell:
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add esi, 3
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cmp esi, I_END + 512*512*3
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jne lifeloop
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; copy new generation across
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mov ecx, 512*512*3
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mov esi, I_END+1
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mov edi, I_END
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rep movsb ; copy the data across
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mov ecx, 512*512
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mov esi, I_END
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nc1:
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mov [esi+2], byte 0
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add esi, 3
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loop nc1
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draw:
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mov ebx, I_END
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mov ecx, 512*65536+512
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mov edx, 5*65536+22
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mov eax,7
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int 0x40
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jmp still
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button: ; BUTTON - only close supported
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or eax,-1
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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,12
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mov ebx,1
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int 0x40
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mov eax,0 ; open window
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mov ebx,50*65536+512+9
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mov ecx,50*65536+512+22+4
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mov edx,0x03000000
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int 0x40
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mov eax,4 ; WINDOW LABEL
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mov ebx,8*65536+8
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mov ecx,0x10ffffff
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mov edx,header
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mov esi,header.size
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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,2 ; 2, end of draw
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int 0x40
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ret
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; DATA AREA
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header db 'Life'
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.size = $ - header
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I_END:
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