WebSVN – Kolibri OS – Diff – /kernel/trunk/kernel.asm



;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

 

include 'macros.inc'

 

$Revision: 753 $

;        mov   [0xF604],byte 1  ;al
	mov	al, [BOOT_VAR+0x901F]	; DMA access
	mov	[allow_dma_access], al
	mov   al,[BOOT_VAR+0x9000]	  ; bpp
	mov   [ScreenBPP],al
 
        xchg bx, bx
 
	movzx eax,word [BOOT_VAR+0x900A]  ; X max
	dec   eax
        mov   [Screen_Max_X],eax
	mov   [screen_workarea.right],eax
	movzx eax,word [BOOT_VAR+0x900C]  ; Y max
	dec   eax
        mov   [Screen_Max_Y],eax
	mov   [screen_workarea.bottom],eax
	movzx eax,word [BOOT_VAR+0x9008]  ; screen mode
	mov   [SCR_MODE],eax
	mov   eax,[BOOT_VAR+0x9014]	  ; Vesa 1.2 bnk sw add
	mov   [BANK_SWITCH],eax

	ret

 
;* mouse centered - start code- Mario79
mouse_centered:
	push  eax
        mov   eax,[Screen_Max_X]
	shr   eax,1
	mov   [MOUSE_X],ax
        mov   eax,[Screen_Max_Y]
	shr   eax,1
	mov   [MOUSE_Y],ax
	pop   eax
	ret

 
force_redraw_background:
    mov   [draw_data+32 + RECT.left],dword 0
    mov   [draw_data+32 + RECT.top],dword 0
    push  eax ebx
    mov   eax,[Screen_Max_X]
    mov   ebx,[Screen_Max_Y]
    mov   [draw_data+32 + RECT.right],eax
    mov   [draw_data+32 + RECT.bottom],ebx
    pop   ebx eax
    mov   byte [REDRAW_BACKGROUND], 1

 
	mov	edx, [TASK_BASE]      ; return whole screen draw area for this app
	add	edx, draw_data - CURRENT_TASK
	mov	[edx + RECT.left], 0
	mov	[edx + RECT.top], 0
        mov     eax, [Screen_Max_X]
	mov	[edx + RECT.right], eax
        mov     eax, [Screen_Max_Y]

	mov	[edx + RECT.bottom], eax
 
	mov	edi, [TASK_BASE]

; check if pixel is allowed to be drawn

 
checkpixel:

	push eax edx
 
        mov  edx,[Screen_Max_X]     ; screen x size
	inc  edx

	imul edx, ebx

    or	  [edi+SLOT_BASE+APPDATA.event_mask], 16
    loop  set_bgr_event
no_set_bgr_event:
;    mov   [draw_data+32 + RECT.left],dword 0
;    mov   [draw_data+32 + RECT.top],dword 0
;    mov   eax,[Screen_Max_X]
;    mov   ebx,[Screen_Max_Y]
;    mov   [draw_data+32 + RECT.right],eax
;    mov   [draw_data+32 + RECT.bottom],ebx
    call  drawbackground
    mov   [REDRAW_BACKGROUND],byte 0
    mov   [MOUSE_BACKGROUND],byte 0

 

sys_gs: 			; direct screen access
 
     cmp  eax,1 		; resolution
     jne  no_gs1
     mov  eax,[Screen_Max_X]
     shl  eax,16
     mov  ax,[Screen_Max_Y]
     add  eax,0x00010001
     mov  [esp+36],eax

.drectr:
	ret

 
align 4
syscall_getscreensize:			; GetScreenSize
        mov     ax, [Screen_Max_X]
	shl	eax, 16
        mov     ax, [Screen_Max_Y]
	mov	[esp + 32], eax

	ret

     ret

 

align 4
 
syscall_getpixel:			; GetPixel
     mov   ecx, [Screen_Max_X]
     inc   ecx
     xor   edx, edx
     mov   eax, ebx

Rev 752	Rev 753
Line 53...	Line 53...
53	;;	53	;;
54	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;	54	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 55...	Line 55...
55		55
Line 56...	Line 56...
56	include 'macros.inc'	56	include 'macros.inc'
Line 57...	Line 57...
57		57
Line 58...	Line 58...
58	$Revision: 752 $	58	$Revision: 753 $
Line 342...	Line 342...
342	; mov [0xF604],byte 1 ;al	342	; mov [0xF604],byte 1 ;al
343	mov al, [BOOT_VAR+0x901F] ; DMA access	343	mov al, [BOOT_VAR+0x901F] ; DMA access
344	mov [allow_dma_access], al	344	mov [allow_dma_access], al
345	mov al,[BOOT_VAR+0x9000] ; bpp	345	mov al,[BOOT_VAR+0x9000] ; bpp
346	mov [ScreenBPP],al	346	mov [ScreenBPP],al
-		347
-		348	xchg bx, bx
-		349
347	movzx eax,word [BOOT_VAR+0x900A] ; X max	350	movzx eax,word [BOOT_VAR+0x900A] ; X max
348	dec eax	351	dec eax
349	mov [ScreenWidth],eax	352	mov [Screen_Max_X],eax
350	mov [screen_workarea.right],eax	353	mov [screen_workarea.right],eax
351	movzx eax,word [BOOT_VAR+0x900C] ; Y max	354	movzx eax,word [BOOT_VAR+0x900C] ; Y max
352	dec eax	355	dec eax
353	mov [ScreenHeight],eax	356	mov [Screen_Max_Y],eax
354	mov [screen_workarea.bottom],eax	357	mov [screen_workarea.bottom],eax
355	movzx eax,word [BOOT_VAR+0x9008] ; screen mode	358	movzx eax,word [BOOT_VAR+0x9008] ; screen mode
356	mov [SCR_MODE],eax	359	mov [SCR_MODE],eax
357	mov eax,[BOOT_VAR+0x9014] ; Vesa 1.2 bnk sw add	360	mov eax,[BOOT_VAR+0x9014] ; Vesa 1.2 bnk sw add
358	mov [BANK_SWITCH],eax	361	mov [BANK_SWITCH],eax
Line 1124...	Line 1127...
1124	ret	1127	ret
Line 1125...	Line 1128...
1125		1128
1126	;* mouse centered - start code- Mario79	1129	;* mouse centered - start code- Mario79
1127	mouse_centered:	1130	mouse_centered:
1128	push eax	1131	push eax
1129	mov eax,[ScreenWidth]	1132	mov eax,[Screen_Max_X]
1130	shr eax,1	1133	shr eax,1
1131	mov [MOUSE_X],ax	1134	mov [MOUSE_X],ax
1132	mov eax,[ScreenHeight]	1135	mov eax,[Screen_Max_Y]
1133	shr eax,1	1136	shr eax,1
1134	mov [MOUSE_Y],ax	1137	mov [MOUSE_Y],ax
1135	pop eax	1138	pop eax
1136	ret	1139	ret
Line 2557...	Line 2560...
2557		2560
2558	force_redraw_background:	2561	force_redraw_background:
2559	mov [draw_data+32 + RECT.left],dword 0	2562	mov [draw_data+32 + RECT.left],dword 0
2560	mov [draw_data+32 + RECT.top],dword 0	2563	mov [draw_data+32 + RECT.top],dword 0
2561	push eax ebx	2564	push eax ebx
2562	mov eax,[ScreenWidth]	2565	mov eax,[Screen_Max_X]
2563	mov ebx,[ScreenHeight]	2566	mov ebx,[Screen_Max_Y]
2564	mov [draw_data+32 + RECT.right],eax	2567	mov [draw_data+32 + RECT.right],eax
2565	mov [draw_data+32 + RECT.bottom],ebx	2568	mov [draw_data+32 + RECT.bottom],ebx
2566	pop ebx eax	2569	pop ebx eax
2567	mov byte [REDRAW_BACKGROUND], 1	2570	mov byte [REDRAW_BACKGROUND], 1
Line 2878...	Line 2881...
2878		2881
2879	mov edx, [TASK_BASE] ; return whole screen draw area for this app	2882	mov edx, [TASK_BASE] ; return whole screen draw area for this app
2880	add edx, draw_data - CURRENT_TASK	2883	add edx, draw_data - CURRENT_TASK
2881	mov [edx + RECT.left], 0	2884	mov [edx + RECT.left], 0
2882	mov [edx + RECT.top], 0	2885	mov [edx + RECT.top], 0
2883	mov eax, [ScreenWidth]	2886	mov eax, [Screen_Max_X]
2884	mov [edx + RECT.right], eax	2887	mov [edx + RECT.right], eax
2885	mov eax, [ScreenHeight]	2888	mov eax, [Screen_Max_Y]
Line 2886...	Line 2889...
2886	mov [edx + RECT.bottom], eax	2889	mov [edx + RECT.bottom], eax
2887		2890
2888	mov edi, [TASK_BASE]	2891	mov edi, [TASK_BASE]
Line 3481...	Line 3484...
3481	; check if pixel is allowed to be drawn	3484	; check if pixel is allowed to be drawn
Line 3482...	Line 3485...
3482		3485
3483	checkpixel:	3486	checkpixel:
Line 3484...	Line 3487...
3484	push eax edx	3487	push eax edx
3485		3488
3486	mov edx,[ScreenWidth] ; screen x size	3489	mov edx,[Screen_Max_X] ; screen x size
3487	inc edx	3490	inc edx
Line 3488...	Line 3491...
3488	imul edx, ebx	3491	imul edx, ebx
Line 3542...	Line 3545...
3542	or [edi+SLOT_BASE+APPDATA.event_mask], 16	3545	or [edi+SLOT_BASE+APPDATA.event_mask], 16
3543	loop set_bgr_event	3546	loop set_bgr_event
3544	no_set_bgr_event:	3547	no_set_bgr_event:
3545	; mov [draw_data+32 + RECT.left],dword 0	3548	; mov [draw_data+32 + RECT.left],dword 0
3546	; mov [draw_data+32 + RECT.top],dword 0	3549	; mov [draw_data+32 + RECT.top],dword 0
3547	; mov eax,[ScreenWidth]	3550	; mov eax,[Screen_Max_X]
3548	; mov ebx,[ScreenHeight]	3551	; mov ebx,[Screen_Max_Y]
3549	; mov [draw_data+32 + RECT.right],eax	3552	; mov [draw_data+32 + RECT.right],eax
3550	; mov [draw_data+32 + RECT.bottom],ebx	3553	; mov [draw_data+32 + RECT.bottom],ebx
3551	call drawbackground	3554	call drawbackground
3552	mov [REDRAW_BACKGROUND],byte 0	3555	mov [REDRAW_BACKGROUND],byte 0
3553	mov [MOUSE_BACKGROUND],byte 0	3556	mov [MOUSE_BACKGROUND],byte 0
Line 4854...	Line 4857...
4854		4857
Line 4855...	Line 4858...
4855	sys_gs: ; direct screen access	4858	sys_gs: ; direct screen access
4856		4859
4857	cmp eax,1 ; resolution	4860	cmp eax,1 ; resolution
4858	jne no_gs1	4861	jne no_gs1
4859	mov eax,[ScreenWidth]	4862	mov eax,[Screen_Max_X]
4860	shl eax,16	4863	shl eax,16
4861	mov ax,[ScreenHeight]	4864	mov ax,[Screen_Max_Y]
4862	add eax,0x00010001	4865	add eax,0x00010001
4863	mov [esp+36],eax	4866	mov [esp+36],eax
Line 4968...	Line 4971...
4968	.drectr:	4971	.drectr:
4969	ret	4972	ret
Line 4970...	Line 4973...
4970		4973
4971	align 4	4974	align 4
4972	syscall_getscreensize: ; GetScreenSize	4975	syscall_getscreensize: ; GetScreenSize
4973	mov ax, [ScreenWidth]	4976	mov ax, [Screen_Max_X]
4974	shl eax, 16	4977	shl eax, 16
4975	mov ax, [ScreenHeight]	4978	mov ax, [Screen_Max_Y]
4976	mov [esp + 32], eax	4979	mov [esp + 32], eax
Line 4977...	Line 4980...
4977	ret	4980	ret
Line 5058...	Line 5061...
5058	ret	5061	ret
Line 5059...	Line 5062...
5059		5062
Line 5060...	Line 5063...
5060	align 4	5063	align 4
5061		5064
5062	syscall_getpixel: ; GetPixel	5065	syscall_getpixel: ; GetPixel
5063	mov ecx, [ScreenWidth]	5066	mov ecx, [Screen_Max_X]
5064	inc ecx	5067	inc ecx
5065	xor edx, edx	5068	xor edx, edx
5066	mov eax, ebx	5069	mov eax, ebx

Subversion Repositories Kolibri OS

(root)/kernel/trunk/kernel.asm – Rev 752 → 753