2012-05-13 00:04:03 +02:00
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; App written by randall ported to Kolibri and MenuetOS64 by macgub (www.macgub.hekko.pl).
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; Now it use static memory, it is mixed 32bit code and SSE instructions.
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include '../../../macros.inc'
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2021-12-30 02:57:38 +01:00
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include '../../../KOSfuncs.inc'
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2012-05-13 00:04:03 +02:00
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use32
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2021-12-30 02:57:38 +01:00
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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 IMG_END ; size of image
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dd I_END ;0x100000 ; memory for app
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dd I_END ;0xbffff ; esp
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dd 0x0 , 0x0 ; I_Param , I_Icon
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; start of execution
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START:
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call draw_window
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call draw_from_buffer
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call Main
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call draw_from_buffer
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mcall SF_SET_CAPTION,1,wintitle2
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2012-05-13 00:04:03 +02:00
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still:
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2021-12-30 02:57:38 +01:00
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mcall SF_WAIT_EVENT
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cmp eax,EV_REDRAW
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je .redraw
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cmp eax,EV_KEY
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je .key
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cmp eax,EV_BUTTON
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je .button
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jmp still
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.redraw:
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call draw_window
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call draw_from_buffer
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jmp still
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.key:
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mcall SF_GET_KEY
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shr eax,16 ; get scancode in 'al'
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cmp al,1
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je .exit
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cmp al,66
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je set_as_wallpaper
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jmp still
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.button:
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mcall SF_GET_BUTTON
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cmp ah,1 ; button id=1 ?
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jne still
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.exit:
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mcall SF_TERMINATE_PROCESS
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set_as_wallpaper:
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mcall SF_BACKGROUND_SET,SSF_MODE_BG,2
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mcall SF_BACKGROUND_SET,SSF_SIZE_BG,IMG_SIZE,IMG_SIZE
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mcall SF_BACKGROUND_SET,SSF_IMAGE_BG,screen,0,3*IMG_SIZE*IMG_SIZE
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mcall SF_BACKGROUND_SET,SSF_REDRAW_BG
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jmp still
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2012-05-13 00:04:03 +02:00
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draw_from_buffer:
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2021-12-30 02:57:38 +01:00
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pusha
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mcall SF_PUT_IMAGE,screen,IMG_SIZE*65536+IMG_SIZE,0
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popa
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2012-05-13 00:04:03 +02:00
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ret
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;-------------------------------------------------------------------------------
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; NAME: XORWOW
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; DESC: Pseudo random number generator.
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; OUT: eax [0;2^32-1]
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;-------------------------------------------------------------------------------
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macro XORWOW {
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mov edx,[g_xorwow_x] ; edx = x
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shr edx,2 ; edx = x >> 2
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xor edx,[g_xorwow_x] ; t = x ^ (x >> 2)
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mov eax,[g_xorwow_y] ; eax = y
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mov [g_xorwow_x],eax ; x = y
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mov eax,[g_xorwow_z] ; eax = z
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mov [g_xorwow_y],eax ; y = z
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mov eax,[g_xorwow_w] ; eax = w
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mov [g_xorwow_z],eax ; z = w
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mov eax,[g_xorwow_v] ; eax = v
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mov [g_xorwow_w],eax ; w = v
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mov edi,eax ; edi = v
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shl edi,4 ; edi = v << 4
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xor edi,eax ; edi = (v ^ (v << 4))
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mov eax,edx ; eax = t
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shl eax,1 ; eax = t << 1
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xor eax,edx ; eax = (t ^ (t << 1))
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xor eax,edi ; eax = (v ^ (v << 4)) ^ (t ^ (t << 1))
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mov [g_xorwow_v],eax ; v = eax
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add [g_xorwow_d],362437 ; d += 362437
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mov eax,[g_xorwow_d] ; eax = d
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add eax,[g_xorwow_v] ; eax = d + v
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}
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;-------------------------------------------------------------------------------
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; NAME: RANDOM
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; DESC: Returns pseudo random number in the range [-0.5;0.5).
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; OUT: xmm0.x [-0.5;0.5)
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;-------------------------------------------------------------------------------
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macro RANDOM {
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XORWOW
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cvtsi2ss xmm0,eax
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mulss xmm0,[g_rand_scale]
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}
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;-------------------------------------------------------------------------------
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;-------------------------------------------------------------------------------
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; NAME: GenerateSequence
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; IN: xmm0.x re (c0.x)
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; IN: xmm1.x im (c0.y)
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; IN: edi array size
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; IN/OUT: esi pointer to the allocated array
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; OUT: eax generated sequence size
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;-------------------------------------------------------------------------------
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align 16
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GenerateSequence:
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xor eax,eax ; eax is index loop
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xorps xmm4,xmm4 ; xmm4 is c.x
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xorps xmm5,xmm5 ; xmm5 is c.y
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.Loop:
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; cn.x = c.x * c.x - c.y * c.y + c0.x
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movaps xmm2,xmm4
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movaps xmm3,xmm5
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mulss xmm2,xmm4
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mulss xmm3,xmm5
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subss xmm2,xmm3
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addss xmm2,xmm0
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movaps xmm6,xmm2 ; xmm6 is cn.x
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; cn.y = 2.0 * c.x * c.y + c0.y
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movaps xmm7,xmm4
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mulss xmm7,xmm5
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addss xmm7,xmm7
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addss xmm7,xmm1 ; xmm7 is cn.y
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; store cn
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movd dword [esi+eax*8],xmm6
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movd dword [esi+eax*8+4],xmm7
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; if (cn.x * cn.x + cn.y * cn.y > 10.0) return eax;
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movaps xmm2,xmm6
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movaps xmm3,xmm7
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mulss xmm2,xmm6
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mulss xmm3,xmm7
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addss xmm2,xmm3
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ucomiss xmm2,[g_max_dist]
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ja .EndLoop
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movaps xmm4,xmm6 ; c.x = cn.x
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movaps xmm5,xmm7 ; c.y = cn.y
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; continue loop
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inc eax
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cmp eax,edi
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jb .Loop
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; return 0
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xor eax,eax
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.EndLoop:
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ret
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;-------------------------------------------------------------------------------
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; NAME: main
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; DESC: Program main function.
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;-------------------------------------------------------------------------------
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align 16
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Main:
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img_ptr equ ebp-8
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seq_ptr equ ebp-16
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pixel equ ebp-24
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r13dd equ ebp-64
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r12dd equ ebp-68
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r15dd equ ebp-72
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push ebp
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mov ebp,esp
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sub esp,128
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; mem for the sequence
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lea eax,[sequence]
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mov [seq_ptr],eax
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; mem for the image
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lea eax,[screen]
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mov [img_ptr],eax
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; begin loops
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mov dword[r13dd],0 ; .LoopIterations counter
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.LoopIterations:
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mov dword[r12dd],0 ; .LoopOneMillion counter
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.LoopOneMillion:
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RANDOM
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mulss xmm0,[g_range]
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movaps xmm1,xmm0
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RANDOM
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mulss xmm0,[g_range]
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mov edi,SEQ_SIZE
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mov esi,[seq_ptr]
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call GenerateSequence ; eax = n sequence size
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test eax,eax
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jz .LoopSequenceEnd
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xor ecx,ecx ; ecx = i = 0 loop counter
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; mov r9dd,[seq_ptr] ; r9 = sequence base address
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; mov r8dd,[img_ptr] ; r8 = image base address
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movss xmm2,[g_img_size]
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movaps xmm3,xmm2
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mulss xmm3,[g_0_5] ; xmm3 = (g_img_size)/2
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movss xmm4,[g_zoom]
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mulss xmm4,xmm2 ; xmm4 = g_zoom * g_img_size
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movss xmm5,[g_offsetx] ; xmm5 = g_offsetx
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movss xmm6,[g_offsety] ; xmm6 = g_offsety
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.LoopSequence:
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cmp ecx,eax ; i < n
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je .LoopSequenceEnd
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movd xmm0,[sequence+ecx*8] ; load re
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movd xmm1,[sequence+ecx*8+4] ; load im
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addss xmm0,xmm5 ; xmm0 = re+g_offsetx
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addss xmm1,xmm6 ; xmm1 = im+g_offsety
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mulss xmm0,xmm4 ; xmm0 = (re+g_offsetx)*g_img_size*g_zoom
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mulss xmm1,xmm4 ; xmm1 = (im+g_offsety)*g_img_size*g_zoom
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addss xmm0,xmm3 ; xmm0 = (re+g_offsetx)*g_img_size*g_zoom+g_img_size/2
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addss xmm1,xmm3 ; xmm1 = (im+g_offsety)*g_img_size*g_zoom+g_img_size/2
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cvtss2si edi,xmm0 ; edi = x = int(xmm0.x)
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cvtss2si esi,xmm1 ; esi = y = int(xmm1.x)
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cmp edi,0
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jl @f
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cmp edi,IMG_SIZE
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jge @f
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cmp esi,0
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jl @f
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cmp esi,IMG_SIZE
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jge @f
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imul esi,esi,IMG_SIZE
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add esi,edi
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add dword [screen+esi*4],1
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@@:
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inc ecx
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jmp .LoopSequence
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.LoopSequenceEnd:
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; continue .LoopOneMillion
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add dword[r12dd],1
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cmp dword[r12dd],1000000
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jb .LoopOneMillion
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; continue .LoopIterations
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add dword[r13dd],1
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cmp dword[r13dd],ITERATIONS
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jb .LoopIterations
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; find max value
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mov dword[r12dd],0
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xor eax,eax ; eax = i = loop counter
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.LoopMax:
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push ecx
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mov ecx,[r12dd]
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cmp dword [screen+eax*4],ecx
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cmova ecx,dword [screen+eax*4]
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mov [r12dd],ecx
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pop ecx
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inc eax
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cmp eax,IMG_SIZE*IMG_SIZE
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jb .LoopMax
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; find min value
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; mov r13d,r12d ; r13d = min_val = max_val
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push dword[r12dd]
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pop dword[r13dd]
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xor eax,eax ; eax = i = loop counter
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.LoopMin:
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push ecx
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mov ecx,[r13dd]
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cmp dword [screen+eax*4],ecx
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cmovb ecx,dword [screen+eax*4]
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mov [r13dd],ecx
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pop ecx
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inc eax
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cmp eax,IMG_SIZE*IMG_SIZE
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jb .LoopMin
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; write image pixels
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mov byte [pixel+3],255
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; mov r14,[img_ptr] ; r14 = image base address
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; xor r15d,r15d ; r15d = i = loop counter
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mov dword[r15dd],0
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cvtsi2ss xmm0,[r12dd] ; load max_value
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cvtsi2ss xmm1,[r13dd] ; load min_value
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movaps xmm2,xmm0
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subss xmm2,xmm1 ; xmm2 = r = max_value - min_value
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xor ecx,ecx
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.LoopWrite:
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mov eax,[screen+ecx*4] ; eax = image_value
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sub eax,[r13dd] ; eax = image_value - min_value
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cvtsi2ss xmm0,eax ; xmm0 = float(image_value - min_value)
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addss xmm0,xmm0 ; xmm0 = 2.0f * float(image_value - min_value)
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divss xmm0,xmm2 ; xmm0 = 2.0f * float(image_value - min_value) / r
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minss xmm0,[g_1_0] ; clamp to 1.0
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maxss xmm0,[g_0_0] ; clamp to 0.0
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mulss xmm0,[g_255_0] ; convert to 0 - 255
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cvtss2si eax,xmm0
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; write pixel data
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mov [screen+ecx*3],eax
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inc ecx
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cmp ecx,IMG_SIZE*IMG_SIZE
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jb .LoopWrite
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mov esp,ebp
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pop ebp
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ret
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; restore img_ptr,seq_ptr,pixel
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;-------------------------------------------------------------------------------
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; *********************************************
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; ******* WINDOW DEFINITIONS AND DRAW ********
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; *********************************************
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draw_window:
|
|
|
|
|
|
2021-12-30 02:57:38 +01:00
|
|
|
mcall SF_REDRAW, SSF_BEGIN_DRAW
|
2012-05-13 00:04:03 +02:00
|
|
|
|
2021-12-30 02:57:38 +01:00
|
|
|
mcall SF_STYLE_SETTINGS, SSF_GET_SKIN_HEIGHT
|
|
|
|
|
lea ecx, [50*65536+IMG_SIZE+4+eax] ; [y start] *65536 + [y size] + [skin_height]
|
|
|
|
|
mcall SF_CREATE_WINDOW,<50,IMG_SIZE+9>,,0x74000000,,wintitle1
|
2012-05-13 00:04:03 +02:00
|
|
|
|
2021-12-30 02:57:38 +01:00
|
|
|
mcall SF_REDRAW, SSF_END_DRAW
|
|
|
|
|
ret
|
2012-05-13 00:04:03 +02:00
|
|
|
|
|
|
|
|
|
|
|
|
|
;-------------------------------------------------------------------------------
|
|
|
|
|
align 1
|
2021-12-30 02:57:38 +01:00
|
|
|
wintitle1 db 'Buddhabrot - Calculating, please wait...',0
|
|
|
|
|
wintitle2 db 'Buddhabrot - Press F8 to set image as wallpaper',0
|
2012-05-13 00:04:03 +02:00
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
g_xorwow_x dd 123456789
|
|
|
|
|
g_xorwow_y dd 362436069
|
|
|
|
|
g_xorwow_z dd 521288629
|
|
|
|
|
g_xorwow_w dd 88675123
|
|
|
|
|
g_xorwow_v dd 5783321
|
|
|
|
|
g_xorwow_d dd 6615241
|
|
|
|
|
g_rand_scale dd 2.3283064e-10 ; 1.0 / 2^32
|
|
|
|
|
|
2021-12-30 02:57:38 +01:00
|
|
|
IMG_SIZE = 600
|
|
|
|
|
SEQ_SIZE = 50
|
|
|
|
|
ITERATIONS = 100
|
|
|
|
|
|
2012-05-13 00:04:03 +02:00
|
|
|
g_img_size dd 600.0
|
|
|
|
|
g_offsetx dd 0.5
|
|
|
|
|
g_offsety dd 0.0
|
|
|
|
|
g_zoom dd 0.4
|
|
|
|
|
|
|
|
|
|
g_max_dist dd 10.0
|
|
|
|
|
g_range dd 4.2
|
|
|
|
|
g_0_5 dd 0.5
|
|
|
|
|
g_0_0 dd 0.0
|
|
|
|
|
g_1_0 dd 1.0
|
|
|
|
|
g_255_0 dd 255.0
|
|
|
|
|
|
|
|
|
|
IMG_END:
|
|
|
|
|
;--------------------
|
2021-12-30 02:57:38 +01:00
|
|
|
sequence: rb SEQ_SIZE*8
|
|
|
|
|
screen: rb IMG_SIZE*IMG_SIZE*4
|
|
|
|
|
memStack: rd 1024
|
2012-05-13 00:04:03 +02:00
|
|
|
I_END:
|
