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;********************************

;*                              *

;*     DESKTOP ICON MANAGER     *

;*                              *

;*  Compile with flat assembler *

;*                              *

;********************************

; version:	3.10

; last update:  03/04/2012

; changed by:   Marat Zakiyanov aka Mario79, aka Mario

; changes:      Drawing selection rectangle.

;               Using new kernel function: 15.9

;---------------------------------------------------------------------

; version:	3.01

; last update:  02/04/2012

; changed by:   Marat Zakiyanov aka Mario79, aka Mario

; changes:      Fix for previous revision - not drawed icons after

;               startup in certain cases.

;---------------------------------------------------------------------

; version:	3.00

; last update:  02/04/2012

; changed by:   Marat Zakiyanov aka Mario79, aka Mario

; changes:      Program use only 2 threads: draw and mouse

;               Using new kernel functions: 25, 34, 15.8, 4 (redirect).

;               Using PNG icons with transparent.

;---------------------------------------------------------------------

; version:	2.11

; last update:  19/03/2012

; changed by:   Marat Zakiyanov aka Mario79, aka Mario

; changes:      The program uses only 140 Kb memory is now.

;               Some speedup.

;---------------------------------------------------------------------

; version:	2.1

; last update:  17/03/2012

; changed by:   Marat Zakiyanov aka Mario79, aka Mario

; changes:      Global optimization! The program uses

;               only 161 KB of memory instead of 603 kb is now.

;---------------------------------------------------------------------

; version:	2.02

; last update:  15/03/2012

; changed by:   Marat Zakiyanov aka Mario79, aka Mario

; changes:      some optimisations and code refactoring

;---------------------------------------------------------------------

; version:	2.01

; last update:  27/09/2011

; changed by:   Marat Zakiyanov aka Mario79, aka Mario

; changes:      deactivate the window after click

;              (working to kernel r.2244 and above)

;---------------------------------------------------------------------

; Many fix's and changes created by:

;               Halyavin, Diamond, Heavyiron,

;               SPraid, Dunkaist

;---------------------------------------------------------------------

; version:	2.00

; last update:  22/02/2005

; changed by:   Willow and Mario79

; changes:      modified for work with new multi-thread ICON.

;******************************************************************************

ICON_SIZE equ 32*32*4

REC_SIZE equ 80

ICONS_DAT equ '/sys/icons.dat'

ICON_APP equ '/sys/ICON'

ICON_STRIP equ '/rd/1/iconstrp.png'

;------------------------------------------------------------------------------

	use32

	org 0x0

	db 'MENUET01'	; 8 byte id

	dd 0x01		; header version

	dd START	; start of code

	dd IM_END	; size of image

	dd I_END	; memory for app

	dd stack_area	; esp

	dd I_Param	; boot parameters

	dd path		; path

;------------------------------------------------------------------------------

include 'lang.inc'

include '../../../macros.inc'

include '../../../develop/libraries/box_lib/load_lib.mac'

;include 'debug.inc'

;------------------------------------------------------------------------------

        @use_library    ;use load lib macros

;------------------------------------------------------------------------------

START:		; start of execution

	mcall	68,11

;---------------------------------------------------------------------

load_libraries l_libs_start,end_l_libs

	test	eax,eax

	jnz	close

; unpack deflate

	mov	eax,[unpack_DeflateUnpack2]

	mov	[deflate_unpack],eax

;---------------------------------------------------------------------

; get size of file ICONSTRP.GIF

	mcall	70,finfo

	test	eax,eax

	jnz	close

; get memory for ICONSTRP.GIF

	mov	ecx,[procinfo+32]

	mov	[finfo.size],ecx

	mov	[img_size],ecx

	mcall	68,12

	mov	[finfo.point],eax

	mov	[image_file],eax

; load ICONSTRP.GIF

	mov	[finfo],dword 0

	mcall	70,finfo

	test	eax,eax

	jnz	close

; convert PNG to RAW

	xor	eax,eax

	mov	[return_code],eax

	push	image_file

	call	[cnv_png_import.Start]

	mov	eax,[raw_pointer]

	mov	eax,[eax+28]

	add	eax,[raw_pointer]

	mov	[strip_file],eax

; back memeory to system

	mcall	68,13,[finfo.point]

	mov	eax,[raw_pointer]

	mov	eax,[eax+8]

	shr	eax,5

	mov	[icon_count],eax

; load ICON.DAT

	call	load_ic

boot_str:

	cmp	[I_Param],dword 'BOOT'

	je	START2

;------------------------------------------------------------------------------

; ICON EDITOR MODE - START1 entering label

;------------------------------------------------------------------------------

START1:

	call	load_icon_list

;------------------------------------------------------------------------------

align 4

red:

	call	draw_window	; at first, draw the window

	mov	esi,[current_icon]

	jmp	band

;------------------------------------------------------------------------------

align 4

still:

	mcall	10	; wait here for event

	dec	eax	; redraw request ?

	jz	red

	dec	eax	; key in buffer ?

	jz	key

;------------------------------------------------------------------------------

align 4

button:

	mcall	17	; get id

	shr	eax,8

	cmp	eax,1	; button id=1 ?

	je	close

	mov	esi,[current_icon]

	add	esi,12

	mov	ebx,[cur_band]

	cmp	eax,11

	jb	@f

	cmp	eax,13

	ja	@f

	call	read_string

	jmp	still

;--------------------------------------

align 4

@@:

	cmp	eax,21	; apply changes

	je	apply

	cmp	eax,22		; user pressed the 'add icon' button

	je	add_icon

	cmp	eax,23	; user pressed the remove icon button

	je	remove_icon

	cmp	eax,30	; left arrow to icons bar

	je	arrow.left

	cmp	eax,31	; right arrow to icons bar

	je	arrow.right

	cmp	eax,32

	je	ico

	cmp	eax,40	; user pressed button for icon position

	jae	press_button_for_icon_position

	jmp	still

;------------------------------------------------------------------------------

align 4

arrow:

.right:

	mov	eax,[icon_count]

	sub	eax,8

	cmp	ebx,eax

	jae	still	;.drwic2

	add	ebx,1

	jmp	.drwic2

;--------------------------------------

align 4

.left:

	test	ebx,ebx

	jz	still

	sub	ebx,1

;--------------------------------------

align 4

.drwic2:

	mov	[cur_band],ebx

;--------------------------------------

align 4

.drwic1:

	call	draw_icon

	jmp	still

;------------------------------------------------------------------------------

align 4

ico:

	push	ebx

	mcall	37,1

	pop	ebx

	shr	eax,16

	sub	eax,33-19

	mov	edi,34

	xor	edx,edx

	div	edi

	lea	ecx,[ebx+eax]

	cmp	ecx,[icon_count]

	jae	still

	mov	ecx,eax

	add	eax,ebx

	call	itoa

	jmp	arrow.drwic1

;------------------------------------------------------------------------------

align 4

apply:

	; (1) save list

	mov	ebx,finfo

	mov	dword[ebx],2

	mov	edx,REC_SIZE

	imul	edx,dword [icons]

	mov	[ebx+12],edx

	mov	esi,iconlst

	call	lst_path

	mcall	70

	; (2) terminate all icons

	or	ecx,-1

	mcall	9,procinfo

	mov	edi,[ebx+30]

;--------------------------------------

align 4

newread2:

	mov	esi,1

;--------------------------------------

align 4

newread:

	inc	esi

	mov	ecx,esi

	mcall	9,procinfo

	cmp	edi,[ebx+30]

	je	newread

	cmp	esi,eax

	jg	.apply_changes

	mov	eax,[ebx+10]

	and	eax,not 20202020h

	cmp	eax,'@ICO'

	jz	@f

	cmp	eax,'ICON'

	jne	newread

;--------------------------------------

align 4

@@:

	xor	eax,eax

	cmp	eax,[ebx+42]

	jne	newread

	cmp	eax,[ebx+46]

	jne	newread

	mov	ecx,esi

	mcall	18,2

	jmp	newread2

;--------------------------------------

align 4

.apply_changes:

	mov	ebx, finfo_start

	mov	dword [ebx+8], boot_str+6

	mov	esi, iconname

	call	lst_path

	mcall	70

	mcall	68,1

	mcall	15,3

	jmp	still

;------------------------------------------------------------------------------

align 4

add_icon:

	mov	ebx,24*65536+250+8*14

	mcall	4,,0xc0ff0000,add_text,,0xffffff

	mcall	10

	cmp	eax,3

	jne	still

	mcall	17

	shr	eax,8

	cmp	eax,40

	jb	no_f

	mov	edi,eax

	sub	eax,40

	xor	edx,edx		; bcd -> 10

	mov	ebx,16

	div	ebx

; multiply x10

	shl	eax,1		; multiply x2

	lea	eax,[eax+eax*4] ; multiply x5

	add	eax,edx

	mov	ebx,eax

	add	ebx,icons_reserved

	cmp	[ebx],byte 'x'

	je	no_f

	mov	[ebx],byte 'x'

	mov	[cur_btn],edi

	xor	edx,edx

	mov	ebx,10

	div	ebx

	add	eax,65

	add	edx,65

	mov	[icon_default+0],dl

	mov	[icon_default+1],al

	inc	dword [icons]

	mov	edi,[icons]

	dec	edi

	imul	edi,REC_SIZE

	add	edi,icon_data

	mov	[current_icon],edi

	mov	esi,icon_default

	mov	ecx,REC_SIZE

	cld

	rep	movsb

	mov	esi,[current_icon]

	jmp	band

;--------------------------------------

align 4

no_f:

	call	draw_btns	;draw_window

	jmp	still

;------------------------------------------------------------------------------

align 4

remove_icon:

	mov	ebx,24*65536+250+8*14

	mcall	4,,0xc0ff0000,rem_text,,0xffffff

	mcall	10

	cmp	eax,3

	jne	no_f

	mcall	17

	shr	eax,8

	cmp	eax,40

	jb	red

	sub	eax,40

	xor	edx,edx

	mov	ebx,16

	div	ebx

; multiply x10

	shl	eax,1		; multiply x2

	lea	eax,[eax+eax*4] ; multiply x5

	add	eax,edx

	mov	ebx,eax

	add	ebx,icons_reserved

	cmp	[ebx],byte 'x'

	jne	red

	mov	[ebx],byte ' '

	xor	edx,edx

	mov	ebx,10

	div	ebx

	shl	eax,8

	mov	al,dl

	add	eax,65*256+65

	mov	esi,icon_data

	mov	edi,REC_SIZE

	imul	edi,[icons]

	add	edi,icon_data

;--------------------------------------

align 4

news:

	cmp	word [esi],ax

	je	foundi

	add	esi,REC_SIZE

	cmp	esi,edi

	jb	news

	jmp	red

;--------------------------------------

align 4

foundi:

	mov	ecx,edi

	sub	ecx,esi

	mov	edi,esi

	add	esi,REC_SIZE

	cld

	rep	movsb

	dec	[icons]

	mov	eax,icon_data

	mov	[current_icon],eax

	movzx	ebx,word[eax]

	sub	bx,'AA'

	shl	bl,4

	shr	ebx,4

	add	ebx,40

	mov	[cur_btn],ebx

	jmp	red

;------------------------------------------------------------------------------

align 4

press_button_for_icon_position:

	mov	edi,eax

	sub	eax,40

	mov	edx,eax

	shl	eax,4

	and	edx,0xf

	mov	dh,ah

	add	edx,65*256+65

	mov	esi,icon_data

	mov	ecx,[icons]

	cld

;--------------------------------------

align 4

findl1:

	cmp	dx,[esi]

	je	foundl1

	add	esi,REC_SIZE

	loop	findl1

	jmp	still

;--------------------------------------

align 4

foundl1:

	mov	[current_icon],esi

	mov	[cur_btn],edi

;--------------------------------------

align 4

band:

	add	esi,12

	call	ASCII_to_icon_number

	and	eax,0xfffff8

	mov	[cur_band],eax

	call	draw_btns

	jmp	still

;------------------------------------------------------------------------------

align 4

print_strings:

	pusha

	mcall	13,<100,180>,<278+12,40>,0xffffff	; clear text area

	xor	edi,edi

	mov	eax,4		; icon text

	mov	ebx,100*65536+278+14

	mov	ecx,3

;--------------------------------------

align 4

.ll:

	push	ecx

	mov	ecx,0x000000

	mov	edx,[current_icon]

	add	edx,[positions+edi*4]

	movzx	esi,byte[str_lens+edi]

	inc	edi

	mcall

	add	ebx,14

	pop	ecx

	loop	.ll

	popa

	ret

;------------------------------------------------------------------------------

align 4

load_icon_list:

	mov	edi,icons_reserved	; clear reserved area

	mov	eax,32

	mov	ecx,10*9

	cld

	rep	stosb

	mov	ecx,[icons]	; set used icons to reserved area

	mov	esi,icon_data

;--------------------------------------

align 4

ldl1:

	movzx	ebx,byte [esi+1]

	sub	ebx,65

; multiply x10

	shl	ebx,1		; multiply x2

	lea	ebx,[ebx+ebx*4] ; multiply x5

	movzx	eax,byte [esi]

	add	ebx,eax

	sub	ebx,65

	add	ebx,icons_reserved

	mov	[ebx],byte 'x'

	add	esi,REC_SIZE

	loop	ldl1

	ret

;------------------------------------------------------------------------------

align 4

lst_path:

	mov	ecx,30

	mov	edi,finfo.path

	rep	movsb

	ret

;------------------------------------------------------------------------------

align 4

load_ic:

	mov	ebx,finfo

	mov	dword[ebx+12],48*REC_SIZE

	mov	dword[ebx+16],icon_data

	mov	esi,iconlst

	call	lst_path

	mcall	70

	lea	eax,[ebx+10]

	xor	edx,edx

	mov	ebx,REC_SIZE

	div	ebx

	mov	[icons],eax

	ret

;------------------------------------------------------------------------------

align 4

read_string:

	pusha

	sub	eax,11

	movzx	ecx,byte[str_lens+eax]

	mov	[cur_str],ecx

	mov	eax,[positions+eax*4]

	mov	edi,[current_icon]

	add	edi,eax

	mov	[addr],edi

	add	edi,ecx

;--------------------------------------

align 4

.l1:

	dec	edi

	cmp	byte[edi],' '

	jne	.found

	mov	byte[edi],'_'

	loop	.l1

	dec	edi

;--------------------------------------

align 4

.found:

	inc	edi

	push	edi

	call	print_strings

	pop	edi

;--------------------------------------

align 4

f11:

	mcall	10

	cmp	eax,2

	jz	fbu

	jmp	rs_done

;--------------------------------------

align 4

fbu:

	mcall	2

	shr	eax,8

	cmp	eax,13

	je	rs_done

	cmp	eax,8

	jnz	nobsl

	cmp	edi,[addr]

	jz	f11

	dec	edi

	mov	[edi],byte '_'

	call	print_strings

	jmp	f11

;--------------------------------------

align 4

nobsl:

	cmp	eax,31

	jbe	f11

	mov	[edi],al

	call	print_strings

	inc	edi

	mov	esi,[addr]

	add	esi,[cur_str]

	cmp	esi,edi

	jnz	f11

;--------------------------------------

align 4

rs_done:

	mov	ecx,[addr]

	add	ecx,[cur_str]

	sub	ecx,edi

	mov	eax,32

	cld

	rep	stosb

	call	print_strings

	popa

	ret

;------------------------------------------------------------------------------

align 4

key:

	mcall	2	; just read it and ignore

	jmp	still

;------------------------------------------------------------------------------

;   *********************************************

;   *******  WINDOW DEFINITIONS AND DRAW ********

;   *********************************************

align 4

draw_window:

	mcall	12,1

	; DRAW WINDOW

	xor	eax,eax

	xor	esi,esi

	mcall	,<210,300>,<30,(390-14)>,0x14ffffff,,title

	mcall	13,<20,260>,<35,200>,0x3366cc	; WINDOW AREA

	mcall	38,<150,150>,<35,235>,0xffffff	; VERTICAL LINE ON WINDOW AREA

	mcall	,<20,280>,<135,135>	; HOROZONTAL LINE ON WINDOW AREA

	mcall	8,<20,72>,<(275+1+14),(13-2)>,11,[bcolor]	;id 11 TEXT ENTER BUTTONS

	inc	edx

	add	ecx,14*65536

	mcall			; id 12

	inc	edx

	add	ecx,14*65536

	mcall			; id 13

	mcall	,<20,259>,<(329+2),(15-4)>,21	; id 21 APPLY AND SAVE CHANGES BUTTON

	add	ecx,14*65536

	inc	edx

	mcall	,<20,(129-2)>	; id 22 ADD ICON BUTTON

	add	ebx,(130+2)*65536

	inc	edx

	mcall			; id 23 REMOVE ICON BUTTON

	mcall	,<(20-14),8>,<(260-23),32>,30 + 1 shl 30	; id 30 IMAGE BUTTON

	inc	edx

	add	ebx,(36*7+26) shl 16

	mcall		; id 31

	add	edx,1 + 1 shl 29

	mcall	,<(33-19),(34*8)>	; id 32

	mcall	4,<(23-15),(273-24)>,0,arrows,1

	add	ebx,(36*7+27)shl 16

	add	edx,2

	mcall

	dec	edx

	mcall	,<120,250>

	lea	edx,[ebx+8 shl 16]

	mcall	47,0x30000,[icon_count],,0

	mov	eax,4

	mov	ebx,24 shl 16+(250+14+14+14)

	mov	ecx,0xffffff

	mov	edx,text

	mov	esi,47

;--------------------------------------

align 4

.newline:

	mov	ecx,[edx]

	add	edx,4

	mcall

	add	ebx,14

	add	edx,47

	cmp	[edx],byte 'x'

	jne	.newline

;--------------------------------------

align 4

draw_btns:

	mov	eax,0	; DRAW BUTTONS ON WINDOW AREA

	mov	ebx,20 shl 16+25

	mov	ecx,35 shl 16+19

	mov	edi,icon_table

	mov	edx,40

;--------------------------------------

align 4

newbline:

	cmp	[edi],byte 'x'

	jne	no_button

	mov	esi,0x5577cc

	cmp	[edi+90],byte 'x'

	jne	nores

	mov	esi,0xcc5555

	cmp	edx,[cur_btn]

	jne	nores

	mov	esi,0xe7e05a

;--------------------------------------

align 4

nores:

	push	eax

	mcall	8

	pop	eax

;--------------------------------------

align 4

no_button:

	add	ebx,26 shl 16

	inc	edi

	inc	edx

	inc	al

	cmp	al,9

	jbe	newbline

	mov	al,0

	add	edx,6

	ror	ebx,16

	mov	bx,20

	ror	ebx,16

	add	ecx,20 shl 16

	inc	ah

	cmp	ah,8

	jbe	newbline

	call	print_strings

	call	draw_icon

	mcall	12,2

	ret

;------------------------------------------------------------------------------

align 4

draw_icon:

	mcall	13,<(33-20),(34*8+2)>,<(260-24),(37+15-2)>,0xffffff

	mov	esi,[current_icon]

	add	esi,12

	call	ASCII_to_icon_number

	push	eax

	cmp	eax,[cur_band]

	jb	.nou

	sub	eax,[cur_band]

	cmp	eax,7

	ja	.nou

	imul	eax,34 shl 16

	lea	ebx,[eax+(33-19) shl 16]

	mov	bx,34

	mcall	13,,<(236+35),3>,0xff0000

	mov	eax,[esp]

;--------------------------------------

align 4

.nou:

	mov	eax,[cur_band]

	push	eax

	imul	eax,ICON_SIZE

	mov	ebx,[strip_file]

	add	ebx,eax

	mov	ecx,8

	mov	edx,(33-18) shl 16+238

;--------------------------------------

align 4

.nxt:

	push	ecx

	pusha

	mov	ebp,0

	mcall	65,,<32,32>,,32

	popa

	pop	ecx

	add	ebx,ICON_SIZE

	add	edx,34 shl 16

	loop	.nxt

	mcall	4,<45,280-2>,0,rep_text,rep_text_len-rep_text

	lea	edx,[ebx+(8*5)shl 16]

	pop	ecx

	mcall	47,0x30000,,,0xff

	add	ecx,7

	add	edx,(3*8+4)shl 16

	mcall

	add	edx,(5*8+4)shl 16

	mcall	,,[icon_count]

	pop	ecx

	add	edx,(10*8+4)shl 16

	mcall	,,,,0xff0000

	ret

;------------------------------------------------------------------------------

align 4

close:

	or	eax,-1

	mcall

;------------------------------------------------------------------------------

; ICON PROCESSING MODE - START2 entering label

;------------------------------------------------------------------------------

align 4

START2:

	mcall	40,10000b	; only Event 5 - draw background

	mcall	48,5

	mov	[warea.by_x],eax

	mov	[warea.by_y],ebx

	mcall	51,1,START_mouse_thread,stack_mouse_thread

	xor	eax,eax

	mov	[x_left],eax

	mov	[y_top],eax

	mcall	14

	mov	ebx,eax

	shr	eax,16

	and	ebx,0xffff

	mov	[x_right],eax

	mov	[y_bottom],ebx

	jmp	still2.1

;------------------------------------------------------------------------------

align 4

still2:

	mcall	10

	mcall	15,8

	mov	ecx,eax

	shr	ecx,16

	mov	[x_left],ecx

	and	eax,0xffff

	mov	[x_right],eax

	mov	ecx,ebx

	shr	ecx,16

	mov	[y_top],ecx

	and	ebx,0xffff

	mov	[y_bottom],ebx

	mcall	48,5

	mov	[warea.by_x],eax

	mov	[warea.by_y],ebx

.1:

	mov	ecx,[icons]

	mov	ebx,icon_data

;--------------------------------------

align 4

.start_new:

	push	ebx ecx

	mov	[adress_of_icon_data],ebx

	mov	eax,[ebx]

	call	calc_icon_pos

	mov	[current_X],ebx

	mov	[current_Y],eax

	call	draw_picture

	pop	ecx ebx

	add	ebx,REC_SIZE

	dec	ecx

	jnz	.start_new

	jmp	still2

;------------------------------------------------------------------------------

align 4

draw_picture:

	mov	eax,[current_X]

	cmp	eax,[x_right]

	ja	.exit

	add	eax,52

	cmp	eax,[x_left]

	jb	.exit

	mov	eax,[current_Y]

	cmp	eax,[y_bottom]

	ja	.exit

	add	eax,52

	cmp	eax,[y_top]

	jb	.exit

;--------------------------------------

align 4

@@:

	mov	edi,[adress_of_icon_data]

	lea	esi,[edi+12]

	call	ASCII_to_icon_number

; protect for icon area RAW size limit

	cmp	eax,[icon_count]

	jbe	@f

;--------------------------------------

align 4

.exit:

	ret

;--------------------------------------

align 4

@@:

	push	eax

	mcall	68,12,52*52*4+8

	mov	[draw_area],eax

	mov	ebx,52

	mov	[eax],ebx

	mov	[eax+4],ebx

	pop	eax

	shl	eax,12		; multiply x4096

	add	eax,[strip_file]

	mov	esi,eax

	mov	edi,[draw_area]

	add	edi,(52-32)/2*4+8

	mov	ebx,32

	cld

;--------------------------------------

align 4

.y:

	mov	ecx,32

	rep	movsd

	add	edi,(52-32)*4

	dec	ebx

	jnz	.y

	call	draw_text

	mov	edx,[current_X]

	shl	edx,16

	add	edx,[current_Y]

	mov	ebx,[draw_area]

	add	ebx,8

	mcall	25,,<52,52>

	mcall	68,13,[draw_area]

	ret

;------------------------------------------------------------------------------

align 4

draw_text:

	mov	esi,[adress_of_icon_data]

	add	esi,3

	push	edi

	mov	edi,title

	mov	ecx,8/4

	cld

	rep	movsd

	pop	edi

	mov	eax,title

;--------------------------------------

align 4

news2:

	cmp	[eax],byte 33

	jb	founde

	inc	eax

	cmp	eax,title+8	;11

	jb	news2

;--------------------------------------

align 4

founde:

	sub	eax,title

	mov	[tl],eax

	mov	eax,[tl]

	lea	eax,[eax+eax*2]		; eax *= char_width/2

	shl	eax,16

	mov	ebx,27 shl 16+40

	sub	ebx,eax

	xor	ecx,ecx		; black shade of text

	or	ecx,0x08000000	; redirect the output to the user area

	add	ebx,1 shl 16	;*65536+1

	mov	edi,[draw_area]

	mcall	4,,,title,[tl]

	inc	ebx

	mcall

	add	ebx,1 shl 16

	mcall

	inc	ebx

	mcall

	sub	ebx,1 shl 16

	mcall

	dec	ebx

	sub	ebx,1 shl 16

	mcall

	sub	ebx,1 shl 16

	dec	ebx

	mcall

	dec	ebx

	add	ebx,1 shl 16

	mcall

	inc	ebx

	mov	ecx,0xffffff		; white text

	or	ecx,0x08000000	; redirect the output to the user area

	mcall

	ret

;------------------------------------------------------------------------------

align 4

ASCII_to_icon_number:

;

; in:

; esi - adress of icon ASCII text number (line start + 12)

;

; out:

; eax - number of icon

;

	push	esi

	xor	eax,eax

	xor	ebx,ebx

;--------------------------------------

align 4

.next:

	lodsb

	cmp	al,'0'

	jb	.done

	cmp	al,'9'

	ja	.done

	sub	eax,'0'

; multiply x10

	shl	ebx,1		; multiply x2

	lea	ebx,[ebx+ebx*4] ; multiply x5

	add	ebx,eax

	jmp	.next

;--------------------------------------

align 4

.done:

	pop	esi

	mov	eax,ebx

	ret

;------------------------------------------------------------------------------

align 4

itoa:

	add	esi,2

	mov	ebx,10

	mov	ecx,3

;--------------------------------------

align 4

.l0:

	xor	edx,edx

	div	ebx

	add	dl,'0'

	mov	[esi],dl

	dec	esi

	loop	.l0

	ret

;------------------------------------------------------------------------------

align 4

calc_icon_pos:

; in:

; eax - dword [icon_position]

; out:

; eax - current Y

; ebx - current X

	push	eax

	movzx	eax,al