WebSVN – Kolibri OS – Diff – /kernel/branches/gfx_kernel/video/vga.inc



     palvgalbl3:
       out dx,al  ; green 0,31 or 63
       add ah,1
       loop palvganew
;       mov    dx, 3ceh
;       mov    ax, 0005h
;       out    dx, ax
       ret

 

palette320x200:

 
uglobal
  novesachecksum dd 0x0
  EGA_counter    db  0
  VGA_drawing_screen db 0
  VGA_8_pixels:
     rb 16
  temp:
     .cx dd 0

endg

 
checkVga_N13:

 
        cmp    [SCR_MODE],dword 0x13
        jne   @f
 
;      cnvl:
        pushad
        cmp   [EGA_counter],1
        je   novesal
        mov    ecx,[MOUSE_X]
        cmp    ecx,[novesachecksum]

        mov    eax,480-100
      m13l4:
        sub    eax,100
        imul   eax,640*4
        add    ecx,eax
        movzx  eax,word [MOUSE_X]
        cmp    eax,160
        jge    m13l1
        mov    eax,160
      m13l1:
        cmp    eax,640-160

        mov    eax,640-160
      m13l2:
        sub    eax,160
        shl    eax,2
        add    ecx,eax
        mov    esi,[LFBAddress]
        add    esi,ecx
        mov    edi,VGABasePtr
        mov    edx,200
        mov    ecx,320
        cld
     m13pix:
        lodsd

        mov    [EGA_counter],0
        popad
        ret

 
VGA_drawbackground:
; draw all
        cmp    [SCR_MODE],dword 0x12
        jne     .end
        pushad
        mov    esi,[LFBAddress]
        mov    edi,VGABasePtr
        mov    ebx,640/32  ; 640*480/(8*4)
        mov    edx,480
     @@:
        push   ebx edx esi edi
        shl    edx,9
        lea    edx,[edx+edx*4]
        add    esi,edx
        shr    edx,5
        add    edi,edx

 
VGA_draw_long_line:
        mov    dx,3ceh
        mov    ax,0ff08h
        cli
        out    dx, ax
        mov    ax,0005h
        out    dx, ax
    m12pix:
        call   VGA_draw_32_pixels

VGA_putpixel:
 ; eax = x
 ; ebx = y
        mov     ecx,eax
        mov     eax, [esp+32-8+4] ; color
        shl        ebx,9
        lea        ebx,[ebx+ebx*4] ; óìíîæåíèå íà 5
        lea     edx, [ebx+ecx*4]  ; + x*BytesPerPixel (Vesa2.0 32)
        mov     edi,edx
        add     edi, [LFBAddress]     ; + LFB address
        mov     [edi], eax        ; write to LFB for Vesa2.0
        shr     edx,5             ; change BytesPerPixel to 1/8
        mov     edi,edx
        add     edi, VGABasePtr     ; address of pixel in VGA area
        and     ecx,0x07          ; bit no. (modulo 8)
        pushfd
        ; edi = address, eax = 24bit colour, ecx = bit no. (modulo 8)
        xor    edx,edx
        cmp    eax,0

        jbe    .p13red
        or     dl,0x02
        cmp    ah,170
        jbe    .p13red
        or     dl,0x08
.p13red:
        shr    eax,8
        cmp    ah,85
        jbe    .p13cont
        or     dl,0x04
        cmp    ah,170

        rol    edx,8
        mov    [edi],dl
        popfd
;.end:
        ret
 
VGA__putimage:
; ecx = size [x|y]
; edx = coordinates [x|y]
        cmp    [SCR_MODE],dword 0x12
        jne     @f
         pushad
         rol  edx,16
         movzx eax,dx
         rol  edx,16

VGA_draw_bar:
; eax   cx
; ebx   cy
; ecx   xe
; edx   ye
        cmp    [SCR_MODE],dword 0x12
        jne     @f
         pushad
         sub   ecx,eax
         sub   edx,ebx
         and   eax,0xffff

@@:
         ret

 
VGA_draw_bar_1:
        mov     [temp.cx],eax
        mov     eax, [TASK_BASE]
        add     ebx, [eax-twdw + 4]
        mov     eax, [eax-twdw + 0]
        add     eax, [temp.cx]
        and     eax,0xfff8
        shl     ebx,9
        lea     ebx,[ebx+ebx*4] ; óìíîæåíèå íà 5
        lea     ebx, [ebx+eax*4]  ; + x*BytesPerPixel (Vesa2.0 32)
        mov     esi,ebx
        add     esi, [LFBAddress]     ; + LFB address
        shr     ebx,5             ; change BytesPerPixel to 1/8
        mov     edi,ebx
        add     edi, VGABasePtr   ; address of pixel in VGA area
        mov     ebx,ecx
        shr     ebx,5
        inc     ebx
.main_loop:

        call   VGA_draw_long_line_1
        ret

 
VGA_draw_long_line_1:
        push   ebx edx esi edi
        shl    edx,9
        lea    edx,[edx+edx*4]
        add    esi,edx
        shr    edx,5
        add    edi,edx

Rev 129	Rev 384
Line 51...	Line 51...
51	palvgalbl3:	51	palvgalbl3:
52	out dx,al ; green 0,31 or 63	52	out dx,al ; green 0,31 or 63
53	add ah,1	53	add ah,1
54	loop palvganew	54	loop palvganew
55	; mov dx, 3ceh	55	; mov dx, 3ceh
56	; mov ax, 0005h	56	; mov ax, 0005h
57	; out dx, ax	57	; out dx, ax
58	ret	58	ret
Line 59...	Line 59...
59		59
Line 60...	Line 60...
60	palette320x200:	60	palette320x200:
Line 112...	Line 112...
112		112
113	uglobal	113	uglobal
114	novesachecksum dd 0x0	114	novesachecksum dd 0x0
115	EGA_counter db 0	115	EGA_counter db 0
116	VGA_drawing_screen db 0	116	VGA_drawing_screen db 0
117	VGA_8_pixels:	117	VGA_8_pixels:
118	rb 16	118	rb 16
119	temp:	119	temp:
120	.cx dd 0	120	.cx dd 0
Line 121...	Line 121...
121	endg	121	endg
Line 122...	Line 122...
122		122
123	checkVga_N13:	123	checkVga_N13:
Line 124...	Line 124...
124		124
125	cmp [0xfe0c],dword 0x13	125	cmp [SCR_MODE],dword 0x13
126	jne @f	126	jne @f
127		127
128	; cnvl:	128	; cnvl:
129	pushad	129	pushad
130	cmp [EGA_counter],1	130	cmp [EGA_counter],1
131	je novesal	131	je novesal
132	mov ecx,[0xfb0a]	132	mov ecx,[MOUSE_X]
133	cmp ecx,[novesachecksum]	133	cmp ecx,[novesachecksum]
Line 149...	Line 149...
149	mov eax,480-100	149	mov eax,480-100
150	m13l4:	150	m13l4:
151	sub eax,100	151	sub eax,100
152	imul eax,640*4	152	imul eax,640*4
153	add ecx,eax	153	add ecx,eax
154	movzx eax,word [0xfb0a]	154	movzx eax,word [MOUSE_X]
155	cmp eax,160	155	cmp eax,160
156	jge m13l1	156	jge m13l1
157	mov eax,160	157	mov eax,160
158	m13l1:	158	m13l1:
159	cmp eax,640-160	159	cmp eax,640-160
Line 161...	Line 161...
161	mov eax,640-160	161	mov eax,640-160
162	m13l2:	162	m13l2:
163	sub eax,160	163	sub eax,160
164	shl eax,2	164	shl eax,2
165	add ecx,eax	165	add ecx,eax
166	mov esi,[0xfe80]	166	mov esi,[LFBAddress]
167	add esi,ecx	167	add esi,ecx
168	mov edi,0xa0000	168	mov edi,VGABasePtr
169	mov edx,200	169	mov edx,200
170	mov ecx,320	170	mov ecx,320
171	cld	171	cld
172	m13pix:	172	m13pix:
173	lodsd	173	lodsd
Line 194...	Line 194...
194	mov [EGA_counter],0	194	mov [EGA_counter],0
195	popad	195	popad
196	ret	196	ret
Line 197...	Line 197...
197		197
198	VGA_drawbackground:	198	VGA_drawbackground:
199	; draw all	199	; draw all
200	cmp [0xfe0c],dword 0x12	200	cmp [SCR_MODE],dword 0x12
201	jne .end	201	jne .end
202	pushad	202	pushad
203	mov esi,[0xfe80]	203	mov esi,[LFBAddress]
204	mov edi,0xa0000	204	mov edi,VGABasePtr
205	mov ebx,640/32 ; 640480/(84)	205	mov ebx,640/32 ; 640480/(84)
206	mov edx,480	206	mov edx,480
207	@@:	207	@@:
208	push ebx edx esi edi	208	push ebx edx esi edi
209	shl edx,9	209	shl edx,9
210	lea edx,[edx+edx*4]	210	lea edx,[edx+edx*4]
211	add esi,edx	211	add esi,edx
212	shr edx,5	212	shr edx,5
213	add edi,edx	213	add edi,edx
Line 222...	Line 222...
222		222
223	VGA_draw_long_line:	223	VGA_draw_long_line:
224	mov dx,3ceh	224	mov dx,3ceh
225	mov ax,0ff08h	225	mov ax,0ff08h
226	cli	226	cli
227	out dx, ax	227	out dx, ax
228	mov ax,0005h	228	mov ax,0005h
229	out dx, ax	229	out dx, ax
230	m12pix:	230	m12pix:
231	call VGA_draw_32_pixels	231	call VGA_draw_32_pixels
Line 316...	Line 316...
316	VGA_putpixel:	316	VGA_putpixel:
317	; eax = x	317	; eax = x
318	; ebx = y	318	; ebx = y
319	mov ecx,eax	319	mov ecx,eax
320	mov eax, [esp+32-8+4] ; color	320	mov eax, [esp+32-8+4] ; color
321	shl ebx,9	321	shl ebx,9
322	lea ebx,[ebx+ebx*4] ; óìíîæåíèå íà 5	322	lea ebx,[ebx+ebx*4] ; óìíîæåíèå íà 5
323	lea edx, [ebx+ecx4] ; + xBytesPerPixel (Vesa2.0 32)	323	lea edx, [ebx+ecx4] ; + xBytesPerPixel (Vesa2.0 32)
324	mov edi,edx	324	mov edi,edx
325	add edi, [0xfe80] ; + LFB address	325	add edi, [LFBAddress] ; + LFB address
326	mov [edi], eax ; write to LFB for Vesa2.0	326	mov [edi], eax ; write to LFB for Vesa2.0
327	shr edx,5 ; change BytesPerPixel to 1/8	327	shr edx,5 ; change BytesPerPixel to 1/8
328	mov edi,edx	328	mov edi,edx
329	add edi, 0x0a0000 ; address of pixel in VGA area	329	add edi, VGABasePtr ; address of pixel in VGA area
330	and ecx,0x07 ; bit no. (modulo 8)	330	and ecx,0x07 ; bit no. (modulo 8)
331	pushfd	331	pushfd
332	; edi = address, eax = 24bit colour, ecx = bit no. (modulo 8)	332	; edi = address, eax = 24bit colour, ecx = bit no. (modulo 8)
333	xor edx,edx	333	xor edx,edx
334	cmp eax,0	334	cmp eax,0
Line 344...	Line 344...
344	jbe .p13red	344	jbe .p13red
345	or dl,0x02	345	or dl,0x02
346	cmp ah,170	346	cmp ah,170
347	jbe .p13red	347	jbe .p13red
348	or dl,0x08	348	or dl,0x08
349	.p13red:	349	.p13red:
350	shr eax,8	350	shr eax,8
351	cmp ah,85	351	cmp ah,85
352	jbe .p13cont	352	jbe .p13cont
353	or dl,0x04	353	or dl,0x04
354	cmp ah,170	354	cmp ah,170
Line 367...	Line 367...
367	rol edx,8	367	rol edx,8
368	mov [edi],dl	368	mov [edi],dl
369	popfd	369	popfd
370	;.end:	370	;.end:
371	ret	371	ret
372		372
373	VGA__putimage:	373	VGA__putimage:
374	; ecx = size [x\|y]	374	; ecx = size [x\|y]
375	; edx = coordinates [x\|y]	375	; edx = coordinates [x\|y]
376	cmp [0xfe0c],dword 0x12	376	cmp [SCR_MODE],dword 0x12
377	jne @f	377	jne @f
378	pushad	378	pushad
379	rol edx,16	379	rol edx,16
380	movzx eax,dx	380	movzx eax,dx
381	rol edx,16	381	rol edx,16
Line 391...	Line 391...
391	VGA_draw_bar:	391	VGA_draw_bar:
392	; eax cx	392	; eax cx
393	; ebx cy	393	; ebx cy
394	; ecx xe	394	; ecx xe
395	; edx ye	395	; edx ye
396	cmp [0xfe0c],dword 0x12	396	cmp [SCR_MODE],dword 0x12
397	jne @f	397	jne @f
398	pushad	398	pushad
399	sub ecx,eax	399	sub ecx,eax
400	sub edx,ebx	400	sub edx,ebx
401	and eax,0xffff	401	and eax,0xffff
Line 407...	Line 407...
407	@@:	407	@@:
408	ret	408	ret
Line 409...	Line 409...
409		409
410	VGA_draw_bar_1:	410	VGA_draw_bar_1:
411	mov [temp.cx],eax	411	mov [temp.cx],eax
412	mov eax, [0x3010]	412	mov eax, [TASK_BASE]
413	add ebx, [eax-twdw + 4]	413	add ebx, [eax-twdw + 4]
414	mov eax, [eax-twdw + 0]	414	mov eax, [eax-twdw + 0]
415	add eax, [temp.cx]	415	add eax, [temp.cx]
416	and eax,0xfff8	416	and eax,0xfff8
417	shl ebx,9	417	shl ebx,9
418	lea ebx,[ebx+ebx*4] ; óìíîæåíèå íà 5	418	lea ebx,[ebx+ebx*4] ; óìíîæåíèå íà 5
419	lea ebx, [ebx+eax4] ; + xBytesPerPixel (Vesa2.0 32)	419	lea ebx, [ebx+eax4] ; + xBytesPerPixel (Vesa2.0 32)
420	mov esi,ebx	420	mov esi,ebx
421	add esi, [0xfe80] ; + LFB address	421	add esi, [LFBAddress] ; + LFB address
422	shr ebx,5 ; change BytesPerPixel to 1/8	422	shr ebx,5 ; change BytesPerPixel to 1/8
423	mov edi,ebx	423	mov edi,ebx
424	add edi, 0x0a0000 ; address of pixel in VGA area	424	add edi, VGABasePtr ; address of pixel in VGA area
425	mov ebx,ecx	425	mov ebx,ecx
426	shr ebx,5	426	shr ebx,5
427	inc ebx	427	inc ebx
428	.main_loop:	428	.main_loop:
Line 432...	Line 432...
432	call VGA_draw_long_line_1	432	call VGA_draw_long_line_1
433	ret	433	ret
Line 434...	Line 434...
434		434
435	VGA_draw_long_line_1:	435	VGA_draw_long_line_1:
436	push ebx edx esi edi	436	push ebx edx esi edi
437	shl edx,9	437	shl edx,9
438	lea edx,[edx+edx*4]	438	lea edx,[edx+edx*4]
439	add esi,edx	439	add esi,edx
440	shr edx,5	440	shr edx,5
441	add edi,edx	441	add edi,edx

Subversion Repositories Kolibri OS

(root)/kernel/branches/gfx_kernel/video/vga.inc – Rev 129 → 384