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Rev 2423 Rev 2430
Line 15... Line 15...
15 
;;                                                              ;;
 15 
;;                                                              ;;
16 
;;  See file COPYING for details                                ;;
 16 
;;  See file COPYING for details                                ;;
17 
;;                                                              ;;
 17 
;;                                                              ;;
18 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 18 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
Line 19... Line 19...
19 
 
 19 
 
Line 20... Line 20...
20 
$Revision: 2423 $
 20 
$Revision: 2430 $
21 
 
 21 
 
Line 29... Line 29...
29 
;LFBAddress              equ     0xfe80
 29 
;LFBAddress              equ     0xfe80
30 
;ScreenBPP               equ     0xfbf1
 30 
;ScreenBPP               equ     0xfbf1
Line 31... Line 31...
31 
 
 31 
 
32 
 
 32 
 
33 
 
 33 
 
34 
;*************************************************
 34 
;-----------------------------------------------------------------------------
35 
; getpixel
 35 
; getpixel
36 
;
 36 
;
37 
; in:
 37 
; in:
38 
; eax = x coordinate
 38 
; eax = x coordinate
39 
; ebx = y coordinate
 39 
; ebx = y coordinate
- 
 
 40 
;
40 
;
 41 
; ret:
41 
; ret:
 42 
; ecx = 00 RR GG BB
42 
; ecx = 00 RR GG BB
 43 
;-----------------------------------------------------------------------------
43 
 
 44 
align 4
44 
getpixel:
 45 
getpixel:
45 
        push    eax ebx edx edi
 46 
        push    eax ebx edx edi
- 
 
 47 
        call    dword [GETPIXEL]
46 
        call    dword [GETPIXEL]
 48 
        pop     edi edx ebx eax
47 
        pop     edi edx ebx eax
 49 
        ret
48 
        ret
 50 
;-----------------------------------------------------------------------------
49 
 
 51 
align 4
- 
 
 52 
Vesa20_getpixel24:
- 
 
 53 
; eax = x
- 
 
 54 
; ebx = y
- 
 
 55 
;--------------------------------------
- 
 
 56 
; check mouse area for putpixel
- 
 
 57 
        test    ecx, 0x04000000  ; don't load to mouseunder area
- 
 
 58 
        jnz     .no_mouseunder
- 
 
 59 
        call    [_display.check_m_pixel]
- 
 
 60 
        test    ecx, ecx        ;0xff000000
50 
Vesa20_getpixel24:
 61 
        jnz     @f
51 
; eax = x
 62 
.no_mouseunder:
52 
; ebx = y
 63 
;--------------------------------------
53 
        imul    ebx, [BytesPerScanLine] ; ebx = y * y multiplier
 64 
        imul    ebx, [BytesPerScanLine] ; ebx = y * y multiplier
- 
 
 65 
        lea     edi, [eax+eax*2]; edi = x*3
- 
 
 66 
        add     edi, ebx      ; edi = x*3+(y*y multiplier)
- 
 
 67 
        mov     ecx, [LFB_BASE+edi]
54 
        lea     edi, [eax+eax*2]; edi = x*3
 68 
;--------------------------------------
55 
        add     edi, ebx      ; edi = x*3+(y*y multiplier)
 69 
align 4
- 
 
 70 
@@:
56 
        mov     ecx, [LFB_BASE+edi]
 71 
        and     ecx, 0xffffff
57 
        and     ecx, 0xffffff
 72 
        ret
- 
 
 73 
;-----------------------------------------------------------------------------
- 
 
 74 
align 4
- 
 
 75 
Vesa20_getpixel32:
- 
 
 76 
;--------------------------------------
- 
 
 77 
; check mouse area for putpixel
- 
 
 78 
        test    ecx, 0x04000000  ; don't load to mouseunder area
- 
 
 79 
        jnz     .no_mouseunder
- 
 
 80 
        call    [_display.check_m_pixel]
- 
 
 81 
        test    ecx, ecx        ;0xff000000
58 
        ret
 82 
        jnz     @f
59 
 
 83 
.no_mouseunder:
60 
Vesa20_getpixel32:
 84 
;--------------------------------------
- 
 
 85 
        imul    ebx, [BytesPerScanLine] ; ebx = y * y multiplier
- 
 
 86 
        lea     edi, [ebx+eax*4]; edi = x*4+(y*y multiplier)
- 
 
 87 
        mov     ecx, [LFB_BASE+edi]
61 
        imul    ebx, [BytesPerScanLine] ; ebx = y * y multiplier
 88 
;--------------------------------------
62 
        lea     edi, [ebx+eax*4]; edi = x*4+(y*y multiplier)
 89 
align 4
63 
        mov     ecx, [LFB_BASE+edi]
 - 
 
64 
        and     ecx, 0xffffff
 90 
@@:
65 
        ret
 - 
 
66 
 
 91 
        and     ecx, 0xffffff
67 
;*************************************************
 92 
        ret
68 
 
 93 
;-----------------------------------------------------------------------------
69 
virtual at esp
 94 
virtual at esp
70 
 putimg:
 95 
 putimg:
Line 78... Line 103...
78 
   .abs_cx         dd ?
 103 
   .abs_cx         dd ?
79 
   .abs_cy         dd ?
 104 
   .abs_cy         dd ?
80 
   .line_increment dd ?
 105 
   .line_increment dd ?
81 
   .winmap_newline dd ?
 106 
   .winmap_newline dd ?
82 
   .screen_newline dd ?
 107 
   .screen_newline dd ?
- 
 
 108 
   .real_sx_and_abs_cx dd ?
- 
 
 109 
   .real_sy_and_abs_cy dd ?
83 
   .stack_data = 4*12
 110 
   .stack_data = 4*14
84 
   .edi         dd      ?
 111 
   .edi         dd      ?
85 
   .esi         dd      ?
 112 
   .esi         dd      ?
86 
   .ebp         dd      ?
 113 
   .ebp         dd      ?
87 
   .esp         dd      ?
 114 
   .esp         dd      ?
88 
   .ebx         dd      ?
 115 
   .ebx         dd      ?
Line 90... Line 117...
90 
   .ecx         dd      ?
 117 
   .ecx         dd      ?
91 
   .eax         dd      ?
 118 
   .eax         dd      ?
92 
   .ret_addr    dd      ?
 119 
   .ret_addr    dd      ?
93 
   .arg_0       dd      ?
 120 
   .arg_0       dd      ?
94 
end virtual
 121 
end virtual
95 
 
 - 
 
- 
 
 122 
;-----------------------------------------------------------------------------
96 
align 16
 123 
align 16
97 
; ebx = pointer
 124 
; ebx = pointer
98 
; ecx = size [x|y]
 125 
; ecx = size [x|y]
99 
; edx = coordinates [x|y]
 126 
; edx = coordinates [x|y]
100 
; ebp = pointer to 'get' function
 127 
; ebp = pointer to 'get' function
101 
; esi = pointer to 'init' function
 128 
; esi = pointer to 'init' function
102 
; edi = parameter for 'get' function
 129 
; edi = parameter for 'get' function
103 
 
 - 
 
104 
vesa20_putimage:
 130 
vesa20_putimage:
105 
        pushad
 131 
        pushad
106 
        call    [_display.disable_mouse]
 - 
 
107 
        sub     esp, putimg.stack_data
 132 
        sub     esp, putimg.stack_data
108 
; save pointer to image
 133 
; save pointer to image
109 
        mov     [putimg.pti], ebx
 134 
        mov     [putimg.pti], ebx
110 
; unpack the size
 135 
; unpack the size
111 
        mov     eax, ecx
 136 
        mov     eax, ecx
Line 136... Line 161...
136 
        sub     ebx, [putimg.image_cx]
 161 
        sub     ebx, [putimg.image_cx]
137 
        ja      @f
 162 
        ja      @f
138 
        add     esp, putimg.stack_data
 163 
        add     esp, putimg.stack_data
139 
        popad
 164 
        popad
140 
        ret
 165 
        ret
- 
 
 166 
;--------------------------------------
- 
 
 167 
align 4
141 
@@:
 168 
@@:
142 
        cmp     ebx, [putimg.image_sx]
 169 
        cmp     ebx, [putimg.image_sx]
143 
        jbe     .end_x
 170 
        jbe     .end_x
144 
        mov     ebx, [putimg.image_sx]
 171 
        mov     ebx, [putimg.image_sx]
- 
 
 172 
;--------------------------------------
- 
 
 173 
align 4
145 
.end_x:
 174 
.end_x:
146 
        mov     [putimg.real_sx], ebx
 175 
        mov     [putimg.real_sx], ebx
147 
; init real_sy
 176 
; init real_sy
148 
        mov     ebx, [eax-twdw + WDATA.box.height]; ebx = wnd_sy
 177 
        mov     ebx, [eax-twdw + WDATA.box.height]; ebx = wnd_sy
149 
; \begin{diamond}[20.08.2006]
 178 
; \begin{diamond}[20.08.2006]
Line 152... Line 181...
152 
        sub     ebx, [putimg.image_cy]
 181 
        sub     ebx, [putimg.image_cy]
153 
        ja      @f
 182 
        ja      @f
154 
        add     esp, putimg.stack_data
 183 
        add     esp, putimg.stack_data
155 
        popad
 184 
        popad
156 
        ret
 185 
        ret
- 
 
 186 
;--------------------------------------
- 
 
 187 
align 4
157 
@@:
 188 
@@:
158 
        cmp     ebx, [putimg.image_sy]
 189 
        cmp     ebx, [putimg.image_sy]
159 
        jbe     .end_y
 190 
        jbe     .end_y
160 
        mov     ebx, [putimg.image_sy]
 191 
        mov     ebx, [putimg.image_sy]
- 
 
 192 
;--------------------------------------
- 
 
 193 
align 4
161 
.end_y:
 194 
.end_y:
162 
        mov     [putimg.real_sy], ebx
 195 
        mov     [putimg.real_sy], ebx
163 
; line increment
 196 
; line increment
164 
        mov     eax, [putimg.image_sx]
 197 
        mov     eax, [putimg.image_sx]
165 
        mov     ecx, [putimg.real_sx]
 198 
        mov     ecx, [putimg.real_sx]
Line 196... Line 229...
196 
        imul    eax, [Screen_Max_X]
 229 
        imul    eax, [Screen_Max_X]
197 
        add     eax, [putimg.abs_cy]
 230 
        add     eax, [putimg.abs_cy]
198 
        add     eax, [putimg.abs_cx]
 231 
        add     eax, [putimg.abs_cx]
199 
        add     eax, [_WinMapAddress]
 232 
        add     eax, [_WinMapAddress]
200 
        xchg    eax, ebp
 233 
        xchg    eax, ebp
- 
 
 234 
;--------------------------------------
- 
 
 235 
        mov     ecx, [putimg.real_sx]
- 
 
 236 
        add     ecx, [putimg.abs_cx]
- 
 
 237 
        mov     [putimg.real_sx_and_abs_cx], ecx
- 
 
 238 
        mov     ecx, [putimg.real_sy]
- 
 
 239 
        add     ecx, [putimg.abs_cy]
- 
 
 240 
        mov     [putimg.real_sy_and_abs_cy], ecx
- 
 
 241 
;--------------------------------------
201 
; get process number
 242 
; get process number
202 
        mov     ebx, [CURRENT_TASK]
 243 
        mov     ebx, [CURRENT_TASK]
203 
        cmp     byte [ScreenBPP], 32
 244 
        cmp     byte [ScreenBPP], 32
204 
        je      put_image_end_32
 245 
        je      put_image_end_32
205 
;put_image_end_24:
 246 
;put_image_end_24:
206 
        mov     edi, [putimg.real_sy]
 247 
        mov     edi, [putimg.real_sy]
- 
 
 248 
;--------------------------------------
207 
align   4
 249 
align 4
208 
.new_line:
 250 
.new_line:
209 
        mov     ecx, [putimg.real_sx]
 251 
        mov     ecx, [putimg.real_sx]
210 
;     push    ebp edx
 252 
;     push    ebp edx
- 
 
 253 
;--------------------------------------
211 
align   4
 254 
align 4
212 
.new_x:
 255 
.new_x:
213 
        push    [putimg.edi]
 256 
        push    [putimg.edi]
214 
        mov     eax, [putimg.ebp+4]
 257 
        mov     eax, [putimg.ebp+4]
215 
        call    eax
 258 
        call    eax
216 
        cmp     [ebp], bl
 259 
        cmp     [ebp], bl
217 
        jne     .skip
 260 
        jne     .skip
- 
 
 261 
;--------------------------------------
- 
 
 262 
        push    ecx
- 
 
 263 
 
- 
 
 264 
        neg     ecx
218 
;     mov     eax, [esi]        ; eax = RRBBGGRR
 265 
        add     ecx, [putimg.real_sx_and_abs_cx + 4]
- 
 
 266 
        shl     ecx, 16
- 
 
 267 
        add     ecx, [putimg.real_sy_and_abs_cy + 4]
- 
 
 268 
        sub     ecx, edi
- 
 
 269 
 
- 
 
 270 
; check mouse area for putpixel
- 
 
 271 
        call    [_display.check_mouse]
- 
 
 272 
        pop     ecx
- 
 
 273 
; store to real LFB
219 
        mov     [LFB_BASE+edx], ax
 274 
        mov     [LFB_BASE+edx], ax
220 
        shr     eax, 16
 275 
        shr     eax, 16
221 
        mov     [LFB_BASE+edx+2], al
 276 
        mov     [LFB_BASE+edx+2], al
- 
 
 277 
;--------------------------------------
- 
 
 278 
align 4
222 
.skip:
 279 
.skip:
223 
;     add     esi, 3 ;[putimg.source_bpp]
 280 
;     add     esi, 3 ;[putimg.source_bpp]
224 
        add     edx, 3
 281 
        add     edx, 3
225 
        inc     ebp
 282 
        inc     ebp
226 
        dec     ecx
 283 
        dec     ecx
Line 234... Line 291...
234 
        jz      .correct
 291 
        jz      .correct
235 
        cmp     [putimg.ebp], putimage_get2bpp
 292 
        cmp     [putimg.ebp], putimage_get2bpp
236 
        jz      .correct
 293 
        jz      .correct
237 
        cmp     [putimg.ebp], putimage_get4bpp
 294 
        cmp     [putimg.ebp], putimage_get4bpp
238 
        jnz     @f
 295 
        jnz     @f
- 
 
 296 
;--------------------------------------
- 
 
 297 
align 4
239 
.correct:
 298 
.correct:
240 
        mov     eax, [putimg.edi]
 299 
        mov     eax, [putimg.edi]
241 
        mov     byte [eax], 80h
 300 
        mov     byte [eax], 80h
- 
 
 301 
;--------------------------------------
- 
 
 302 
align 4
242 
@@:
 303 
@@:
243 
        dec     edi
 304 
        dec     edi
244 
        jnz     .new_line
 305 
        jnz     .new_line
- 
 
 306 
;--------------------------------------
- 
 
 307 
align 4
245 
.finish:
 308 
.finish:
246 
        add     esp, putimg.stack_data
 309 
        add     esp, putimg.stack_data
247 
        popad
 310 
        popad
248 
        ret
 311 
        ret
- 
 
 312 
;------------------------------------------------------------------------------
249 
 
 313 
align 4
250 
put_image_end_32:
 314 
put_image_end_32:
251 
        mov     edi, [putimg.real_sy]
 315 
        mov     edi, [putimg.real_sy]
- 
 
 316 
;--------------------------------------
252 
align   4
 317 
align 4
253 
.new_line:
 318 
.new_line:
254 
        mov     ecx, [putimg.real_sx]
 319 
        mov     ecx, [putimg.real_sx]
255 
;     push    ebp edx
 320 
;     push    ebp edx
- 
 
 321 
;--------------------------------------
256 
align   4
 322 
align 4
257 
.new_x:
 323 
.new_x:
258 
        push    [putimg.edi]
 324 
        push    [putimg.edi]
259 
        mov     eax, [putimg.ebp+4]
 325 
        mov     eax, [putimg.ebp+4]
260 
        call    eax
 326 
        call    eax
261 
        cmp     [ebp], bl
 327 
        cmp     [ebp], bl
262 
        jne     .skip
 328 
        jne     .skip
- 
 
 329 
;--------------------------------------
- 
 
 330 
        push    ecx
- 
 
 331 
 
- 
 
 332 
        neg     ecx
263 
;     mov     eax, [esi]        ; ecx = RRBBGGRR
 333 
        add     ecx, [putimg.real_sx_and_abs_cx + 4]
- 
 
 334 
        shl     ecx, 16
- 
 
 335 
        add     ecx, [putimg.real_sy_and_abs_cy + 4]
- 
 
 336 
        sub     ecx, edi
- 
 
 337 
 
- 
 
 338 
; check mouse area for putpixel
- 
 
 339 
        call    [_display.check_mouse]
- 
 
 340 
        pop     ecx
- 
 
 341 
; store to real LFB
264 
        mov     [LFB_BASE+edx], eax
 342 
        mov     [LFB_BASE+edx], eax
- 
 
 343 
;--------------------------------------
- 
 
 344 
align 4
265 
.skip:
 345 
.skip:
266 
;     add     esi, [putimg.source_bpp]
 346 
;     add     esi, [putimg.source_bpp]
267 
        add     edx, 4
 347 
        add     edx, 4
268 
        inc     ebp
 348 
        inc     ebp
269 
        dec     ecx
 349 
        dec     ecx
Line 277... Line 357...
277 
        jz      .correct
 357 
        jz      .correct
278 
        cmp     [putimg.ebp], putimage_get2bpp
 358 
        cmp     [putimg.ebp], putimage_get2bpp
279 
        jz      .correct
 359 
        jz      .correct
280 
        cmp     [putimg.ebp], putimage_get4bpp
 360 
        cmp     [putimg.ebp], putimage_get4bpp
281 
        jnz     @f
 361 
        jnz     @f
- 
 
 362 
;--------------------------------------
- 
 
 363 
align 4
282 
.correct:
 364 
.correct:
283 
        mov     eax, [putimg.edi]
 365 
        mov     eax, [putimg.edi]
284 
        mov     byte [eax], 80h
 366 
        mov     byte [eax], 80h
- 
 
 367 
;--------------------------------------
- 
 
 368 
align 4
285 
@@:
 369 
@@:
286 
        dec     edi
 370 
        dec     edi
287 
        jnz     .new_line
 371 
        jnz     .new_line
- 
 
 372 
;--------------------------------------
- 
 
 373 
align 4
288 
.finish:
 374 
.finish:
289 
        add     esp, putimg.stack_data
 375 
        add     esp, putimg.stack_data
290 
        popad
 376 
        popad
291 
        call    VGA__putimage
 377 
        call    VGA__putimage
292 
        mov     [EGA_counter], 1
 378 
        mov     [EGA_counter], 1
293 
        ret
 379 
        ret
294 
 
 - 
 
295 
 
 - 
 
296 
;*************************************************
 380 
;------------------------------------------------------------------------------
297 
align 4
 381 
align 4
298 
__sys_putpixel:
 382 
__sys_putpixel:
Line 299... Line 383...
299 
 
 383 
 
300 
; eax = x coordinate
 384 
; eax = x coordinate
Line 321... Line 405...
321 
        add     eax, [_WinMapAddress]
 405 
        add     eax, [_WinMapAddress]
322 
        movzx   edx, byte [eax+edx]
 406 
        movzx   edx, byte [eax+edx]
323 
        cmp     edx, [CURRENT_TASK]
 407 
        cmp     edx, [CURRENT_TASK]
324 
        pop     eax
 408 
        pop     eax
325 
        jne     .exit
 409 
        jne     .exit
- 
 
 410 
;--------------------------------------
326 
 
 411 
align 4
327 
.forced:
 412 
.forced:
328 
; check if negation
 413 
; check if negation
329 
        test    ecx, 0x01000000
 414 
        test    ecx, 0x01000000
330 
        jz      .noneg
 415 
        jz      .noneg
- 
 
 416 
 
331 
        call    getpixel
 417 
        call    getpixel
332 
        not     ecx
 418 
        not     ecx
- 
 
 419 
 
- 
 
 420 
        rol     ecx, 8
- 
 
 421 
        mov     cl, [esp+32-8+3]
- 
 
 422 
        ror     ecx, 8
333 
        mov     [esp+32-8], ecx
 423 
        mov     [esp+32-8], ecx
- 
 
 424 
;--------------------------------------
- 
 
 425 
align 4
334 
.noneg:
 426 
.noneg:
335 
; OK to set pixel
 427 
; OK to set pixel
336 
        call    dword [PUTPIXEL]; call the real put_pixel function
 428 
        call    dword [PUTPIXEL]; call the real put_pixel function
- 
 
 429 
;--------------------------------------
- 
 
 430 
align 4
337 
.exit:
 431 
.exit:
338 
        popad
 432 
        popad
339 
        ret
 433 
        ret
340 
 
 - 
 
- 
 
 434 
;-----------------------------------------------------------------------------
341 
align 4
 435 
align 4
342 
Vesa20_putpixel24:
 436 
Vesa20_putpixel24:
343 
; eax = x
 437 
; eax = x
344 
; ebx = y
 438 
; ebx = y
- 
 
 439 
        mov     ecx, eax
- 
 
 440 
        shl     ecx, 16
- 
 
 441 
        mov     cx, bx
- 
 
 442 
 
345 
        imul    ebx, [BytesPerScanLine]  ; ebx = y * y multiplier
 443 
        imul    ebx, [BytesPerScanLine]  ; ebx = y * y multiplier
346 
        lea     edi, [eax+eax*2]; edi = x*3
 444 
        lea     edi, [eax+eax*2]; edi = x*3
347 
        mov     eax, [esp+32-8+4]
 445 
        mov     eax, [esp+32-8+4]
- 
 
 446 
;--------------------------------------
- 
 
 447 
; check mouse area for putpixel
- 
 
 448 
        test    eax, 0x04000000
- 
 
 449 
        jnz     @f
- 
 
 450 
        call    [_display.check_mouse]
- 
 
 451 
;--------------------------------------
- 
 
 452 
align 4
- 
 
 453 
@@:
- 
 
 454 
; store to real LFB
348 
        mov     [LFB_BASE+ebx+edi], ax
 455 
        mov     [LFB_BASE+ebx+edi], ax
349 
        shr     eax, 16
 456 
        shr     eax, 16
350 
        mov     [LFB_BASE+ebx+edi+2], al
 457 
        mov     [LFB_BASE+ebx+edi+2], al
- 
 
 458 
;--------------------------------------
351 
        ret
 459 
        ret
352 
 
 - 
 
353 
 
 - 
 
- 
 
 460 
;-----------------------------------------------------------------------------
354 
align 4
 461 
align 4
355 
Vesa20_putpixel32:
 462 
Vesa20_putpixel32:
356 
; eax = x
 463 
; eax = x
357 
; ebx = y
 464 
; ebx = y
- 
 
 465 
        mov     ecx, eax
- 
 
 466 
        shl     ecx, 16
- 
 
 467 
        mov     cx, bx
- 
 
 468 
 
358 
        imul    ebx, [BytesPerScanLine]  ; ebx = y * y multiplier
 469 
        imul    ebx, [BytesPerScanLine]  ; ebx = y * y multiplier
359 
        lea     edi, [ebx+eax*4]; edi = x*4+(y*y multiplier)
 470 
        lea     edi, [ebx+eax*4]; edi = x*4+(y*y multiplier)
360 
        mov     eax, [esp+32-8+4]; eax = color
 471 
        mov     eax, [esp+32-8+4]; eax = color
- 
 
 472 
;--------------------------------------
- 
 
 473 
; check mouse area for putpixel
- 
 
 474 
        test    eax, 0x04000000
- 
 
 475 
        jnz     @f
- 
 
 476 
        call    [_display.check_mouse]
- 
 
 477 
;--------------------------------------
- 
 
 478 
align 4
- 
 
 479 
@@:
- 
 
 480 
        and     eax, 0xffffff
- 
 
 481 
; store to real LFB
361 
        mov     [LFB_BASE+edi], eax
 482 
        mov     [LFB_BASE+edi], eax
- 
 
 483 
;--------------------------------------
362 
        ret
 484 
        ret
363 
 
 - 
 
364 
;*************************************************
 485 
;-----------------------------------------------------------------------------
365 
 
 - 
 
366 
;align 4
 486 
align 4
367 
calculate_edi:
 487 
calculate_edi:
368 
        mov     edi, ebx
 488 
        mov     edi, ebx
369 
        imul    edi, [Screen_Max_X]
 489 
        imul    edi, [Screen_Max_X]
370 
        add     edi, ebx
 490 
        add     edi, ebx
371 
        add     edi, eax
 491 
        add     edi, eax
372 
        ret
 492 
        ret
373 
 
 - 
 
374 
;*************************************************
 493 
;-----------------------------------------------------------------------------
375 
 
 - 
 
376 
; DRAWLINE
 494 
; DRAWLINE
377 
 
 - 
 
- 
 
 495 
;-----------------------------------------------------------------------------
378 
align 4
 496 
align 4
379 
__sys_draw_line:
 497 
__sys_draw_line:
380 
;     inc   [mouse_pause]
 - 
 
381 
        call    [_display.disable_mouse]
 - 
 
382 
 
 - 
 
383 
; draw a line
 498 
; draw a line
384 
; eax = HIWORD = x1
 499 
; eax = HIWORD = x1
385 
;       LOWORD = x2
 500 
;       LOWORD = x2
386 
; ebx = HIWORD = y1
 501 
; ebx = HIWORD = y1
387 
;       LOWORD = y2
 502 
;       LOWORD = y2
Line 414... Line 529...
414 
        jg      .no_vline  ; x1 > x2 ?
 529 
        jg      .no_vline  ; x1 > x2 ?
415 
        mov     edx, ebp   ; else (if x1=x2)
 530 
        mov     edx, ebp   ; else (if x1=x2)
416 
        call    vline
 531 
        call    vline
417 
        push    edx ; necessary to rightly restore stack frame at .exit
 532 
        push    edx ; necessary to rightly restore stack frame at .exit
418 
        jmp     .exit
 533 
        jmp     .exit
- 
 
 534 
;--------------------------------------
- 
 
 535 
align 4
419 
.x2lx1:
 536 
.x2lx1:
420 
        neg     esi         ; get esi absolute value
 537 
        neg     esi         ; get esi absolute value
- 
 
 538 
;--------------------------------------
- 
 
 539 
align 4
421 
.no_vline:
 540 
.no_vline:
422 
; checking y-axis...
 541 
; checking y-axis...
423 
        sub     ebp, ebx    ; ebp = y2-y1
 542 
        sub     ebp, ebx    ; ebp = y2-y1
424 
        push    ebp         ; save y2-y1
 543 
        push    ebp         ; save y2-y1
425 
        jl      .y2ly1      ; is y2 less than y1 ?
 544 
        jl      .y2ly1      ; is y2 less than y1 ?
426 
        jg      .no_hline   ; y1 > y2 ?
 545 
        jg      .no_hline   ; y1 > y2 ?
427 
        mov     edx, [dl_x2]; else (if y1=y2)
 546 
        mov     edx, [dl_x2]; else (if y1=y2)
428 
        call    hline
 547 
        call    hline
429 
        jmp     .exit
 548 
        jmp     .exit
- 
 
 549 
;--------------------------------------
430 
 
 550 
align 4
431 
.y2ly1:
 551 
.y2ly1:
432 
        neg     ebp         ; get ebp absolute value
 552 
        neg     ebp         ; get ebp absolute value
- 
 
 553 
;--------------------------------------
- 
 
 554 
align 4
433 
.no_hline:
 555 
.no_hline:
434 
        cmp     ebp, esi
 556 
        cmp     ebp, esi
435 
        jle     .x_rules    ; |y2-y1| < |x2-x1|  ?
 557 
        jle     .x_rules    ; |y2-y1| < |x2-x1|  ?
436 
        cmp     [dl_y2], ebx; make sure y1 is at the begining
 558 
        cmp     [dl_y2], ebx; make sure y1 is at the begining
437 
        jge     .no_reverse1
 559 
        jge     .no_reverse1
Line 440... Line 562...
440 
        mov     [dl_x2], eax
 562 
        mov     [dl_x2], eax
441 
        mov     [dl_x1], edx
 563 
        mov     [dl_x1], edx
442 
        mov     edx, [dl_y2]
 564 
        mov     edx, [dl_y2]
443 
        mov     [dl_y2], ebx
 565 
        mov     [dl_y2], ebx
444 
        mov     [dl_y1], edx
 566 
        mov     [dl_y1], edx
- 
 
 567 
;--------------------------------------
- 
 
 568 
align 4
445 
.no_reverse1:
 569 
.no_reverse1:
446 
        mov     eax, [dl_dx]
 570 
        mov     eax, [dl_dx]
447 
        cdq                 ; extend eax sing to edx
 571 
        cdq                 ; extend eax sing to edx
448 
        shl     eax, 16     ; using 16bit fix-point maths
 572 
        shl     eax, 16     ; using 16bit fix-point maths
449 
        idiv    ebp         ; eax = ((x2-x1)*65536)/(y2-y1)
 573 
        idiv    ebp         ; eax = ((x2-x1)*65536)/(y2-y1)
Line 451... Line 575...
451 
; correction for the remainder of the division
 575 
; correction for the remainder of the division
452 
        shl     edx, 1
 576 
        shl     edx, 1
453 
        cmp     ebp, edx
 577 
        cmp     ebp, edx
454 
        jb      @f
 578 
        jb      @f
455 
        inc     eax
 579 
        inc     eax
- 
 
 580 
;--------------------------------------
- 
 
 581 
align 4
456 
@@:
 582 
@@:
457 
;--------------------------------------
 583 
;--------------------------------------
458 
        mov     edx, ebp    ; edx = counter (number of pixels to draw)
 584 
        mov     edx, ebp    ; edx = counter (number of pixels to draw)
459 
        mov     ebp, 1 *65536; <<16   ; ebp = dy = 1.0
 585 
        mov     ebp, 1 *65536; <<16   ; ebp = dy = 1.0
460 
        mov     esi, eax    ; esi = dx
 586 
        mov     esi, eax    ; esi = dx
461 
        jmp     .y_rules
 587 
        jmp     .y_rules
- 
 
 588 
;--------------------------------------
462 
 
 589 
align 4
463 
.x_rules:
 590 
.x_rules:
464 
        cmp     [dl_x2], eax ; make sure x1 is at the begining
 591 
        cmp     [dl_x2], eax ; make sure x1 is at the begining
465 
        jge     .no_reverse2
 592 
        jge     .no_reverse2
466 
        neg     dword [dl_dy]
 593 
        neg     dword [dl_dy]
467 
        mov     edx, [dl_x2]
 594 
        mov     edx, [dl_x2]
468 
        mov     [dl_x2], eax
 595 
        mov     [dl_x2], eax
469 
        mov     [dl_x1], edx
 596 
        mov     [dl_x1], edx
470 
        mov     edx, [dl_y2]
 597 
        mov     edx, [dl_y2]
471 
        mov     [dl_y2], ebx
 598 
        mov     [dl_y2], ebx
472 
        mov     [dl_y1], edx
 599 
        mov     [dl_y1], edx
- 
 
 600 
;--------------------------------------
- 
 
 601 
align 4
473 
.no_reverse2:
 602 
.no_reverse2:
474 
        xor     edx, edx
 603 
        xor     edx, edx
475 
        mov     eax, [dl_dy]
 604 
        mov     eax, [dl_dy]
476 
        cdq                 ; extend eax sing to edx
 605 
        cdq                 ; extend eax sing to edx
477 
        shl     eax, 16     ; using 16bit fix-point maths
 606 
        shl     eax, 16     ; using 16bit fix-point maths
Line 480... Line 609...
480 
; correction for the remainder of the division
 609 
; correction for the remainder of the division
481 
        shl     edx, 1
 610 
        shl     edx, 1
482 
        cmp     esi, edx
 611 
        cmp     esi, edx
483 
        jb      @f
 612 
        jb      @f
484 
        inc     eax
 613 
        inc     eax
- 
 
 614 
;--------------------------------------
- 
 
 615 
align 4
485 
@@:
 616 
@@:
486 
;--------------------------------------
 617 
;--------------------------------------
487 
        mov     edx, esi    ; edx = counter (number of pixels to draw)
 618 
        mov     edx, esi    ; edx = counter (number of pixels to draw)
488 
        mov     esi, 1 *65536;<< 16   ; esi = dx = 1.0
 619 
        mov     esi, 1 *65536;<< 16   ; esi = dx = 1.0
489 
        mov     ebp, eax    ; ebp = dy
 620 
        mov     ebp, eax    ; ebp = dy
- 
 
 621 
;--------------------------------------
- 
 
 622 
align 4
490 
.y_rules:
 623 
.y_rules:
491 
        mov     eax, [dl_x1]
 624 
        mov     eax, [dl_x1]
492 
        mov     ebx, [dl_y1]
 625 
        mov     ebx, [dl_y1]
493 
        shl     eax, 16
 626 
        shl     eax, 16
494 
        shl     ebx, 16
 627 
        shl     ebx, 16
Line 499... Line 632...
499 
;--------------------------------------
 632 
;--------------------------------------
500 
; correction for the remainder of the division
 633 
; correction for the remainder of the division
501 
        test    ah, 0x80
 634 
        test    ah, 0x80
502 
        jz      @f
 635 
        jz      @f
503 
        add     eax, 1 shl 16
 636 
        add     eax, 1 shl 16
- 
 
 637 
;--------------------------------------
- 
 
 638 
align 4
504 
@@:
 639 
@@:
505 
;--------------------------------------
 640 
;--------------------------------------
506 
        shr     eax, 16
 641 
        shr     eax, 16
507 
;--------------------------------------
 642 
;--------------------------------------
508 
; correction for the remainder of the division
 643 
; correction for the remainder of the division
509 
        test    bh, 0x80
 644 
        test    bh, 0x80
510 
        jz      @f
 645 
        jz      @f
511 
        add     ebx, 1 shl 16
 646 
        add     ebx, 1 shl 16
- 
 
 647 
;--------------------------------------
- 
 
 648 
align 4
512 
@@:
 649 
@@:
513 
;--------------------------------------
 650 
;--------------------------------------
514 
        shr     ebx, 16
 651 
        shr     ebx, 16
- 
 
 652 
        and     ecx, 0xFBFFFFFF  ;negate 0x04000000 save to mouseunder area
515 
        call    [putpixel]
 653 
        call    [putpixel]
516 
        pop     ebx eax
 654 
        pop     ebx eax
517 
        add     ebx, ebp     ; y = y+dy
 655 
        add     ebx, ebp     ; y = y+dy
518 
        add     eax, esi     ; x = x+dx
 656 
        add     eax, esi     ; x = x+dx
519 
        dec     edx
 657 
        dec     edx
520 
        jnz     .draw
 658 
        jnz     .draw
521 
; force last drawn pixel to be at (x2,y2)
 659 
; force last drawn pixel to be at (x2,y2)
522 
        mov     eax, [dl_x2]
 660 
        mov     eax, [dl_x2]
523 
        mov     ebx, [dl_y2]
 661 
        mov     ebx, [dl_y2]
- 
 
 662 
        and     ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area
524 
        call    [putpixel]
 663 
        call    [putpixel]
- 
 
 664 
;--------------------------------------
- 
 
 665 
align 4
525 
.exit:
 666 
.exit:
526 
        add     esp, 6*4
 667 
        add     esp, 6*4
527 
        popa
 668 
        popa
528 
;     dec   [mouse_pause]
 - 
 
529 
        call    [draw_pointer]
 669 
;        call    [draw_pointer]
530 
        ret
 670 
        ret
531 
 
 - 
 
- 
 
 671 
;------------------------------------------------------------------------------
532 
 
 672 
align 4
533 
hline:
 673 
hline:
534 
; draw an horizontal line
 674 
; draw an horizontal line
535 
; eax = x1
 675 
; eax = x1
536 
; edx = x2
 676 
; edx = x2
537 
; ebx = y
 677 
; ebx = y
Line 539... Line 679...
539 
; edi = force ?
 679 
; edi = force ?
540 
        push    eax edx
 680 
        push    eax edx
541 
        cmp     edx, eax   ; make sure x2 is above x1
 681 
        cmp     edx, eax   ; make sure x2 is above x1
542 
        jge     @f
 682 
        jge     @f
543 
        xchg    eax, edx
 683 
        xchg    eax, edx
- 
 
 684 
;--------------------------------------
544 
align   4
 685 
align 4
545 
@@:
 686 
@@:
- 
 
 687 
        and     ecx, 0xFBFFFFFF  ;negate 0x04000000 save to mouseunder area
546 
        call    [putpixel]
 688 
        call    [putpixel]
547 
        inc     eax
 689 
        inc     eax
548 
        cmp     eax, edx
 690 
        cmp     eax, edx
549 
        jle     @b
 691 
        jle     @b
550 
        pop     edx eax
 692 
        pop     edx eax
551 
        ret
 693 
        ret
552 
 
 - 
 
- 
 
 694 
;------------------------------------------------------------------------------
553 
 
 695 
align 4
554 
vline:
 696 
vline:
555 
; draw a vertical line
 697 
; draw a vertical line
556 
; eax = x
 698 
; eax = x
557 
; ebx = y1
 699 
; ebx = y1
558 
; edx = y2
 700 
; edx = y2
Line 560... Line 702...
560 
; edi = force ?
 702 
; edi = force ?
561 
        push    ebx edx
 703 
        push    ebx edx
562 
        cmp     edx, ebx   ; make sure y2 is above y1
 704 
        cmp     edx, ebx   ; make sure y2 is above y1
563 
        jge     @f
 705 
        jge     @f
564 
        xchg    ebx, edx
 706 
        xchg    ebx, edx
- 
 
 707 
;--------------------------------------
565 
align   4
 708 
align 4
566 
@@:
 709 
@@:
- 
 
 710 
        and     ecx, 0xFBFFFFFF ;negate 0x04000000 save to mouseunder area
567 
        call    [putpixel]
 711 
        call    [putpixel]
568 
        inc     ebx
 712 
        inc     ebx
569 
        cmp     ebx, edx
 713 
        cmp     ebx, edx
570 
        jle     @b
 714 
        jle     @b
571 
        pop     edx ebx
 715 
        pop     edx ebx
572 
        ret
 716 
        ret
573 
 
 - 
 
574 
 
 - 
 
575 
;*************************************************
 717 
;------------------------------------------------------------------------------
576 
 
 - 
 
577 
 
 718 
align 4
578 
virtual at esp
 719 
virtual at esp
579 
drbar:
 720 
drbar:
580 
     .bar_sx       dd ?
 721 
     .bar_sx       dd ?
581 
     .bar_sy       dd ?
 722 
     .bar_sy       dd ?
582 
     .bar_cx       dd ?
 723 
     .bar_cx       dd ?
Line 586... Line 727...
586 
     .real_sx      dd ?
 727 
     .real_sx      dd ?
587 
     .real_sy      dd ?
 728 
     .real_sy      dd ?
588 
     .color        dd ?
 729 
     .color        dd ?
589 
     .line_inc_scr dd ?
 730 
     .line_inc_scr dd ?
590 
     .line_inc_map dd ?
 731 
     .line_inc_map dd ?
- 
 
 732 
     .real_sx_and_abs_cx dd ?
- 
 
 733 
     .real_sy_and_abs_cy dd ?
591 
     .stack_data = 4*11
 734 
     .stack_data = 4*13
592 
end virtual
 735 
end virtual
593 
 
 - 
 
- 
 
 736 
;--------------------------------------
594 
align 4
 737 
align 4
595 
; eax   cx
 738 
; eax   cx
596 
; ebx   cy
 739 
; ebx   cy
597 
; ecx   xe
 740 
; ecx   xe
598 
; edx   ye
 741 
; edx   ye
599 
; edi   color
 742 
; edi   color
600 
vesa20_drawbar:
 743 
vesa20_drawbar:
601 
        pushad
 744 
        pushad
602 
        call    [_display.disable_mouse]
 - 
 
603 
        sub     esp, drbar.stack_data
 745 
        sub     esp, drbar.stack_data
604 
        mov     [drbar.color], edi
 746 
        mov     [drbar.color], edi
605 
        sub     edx, ebx
 747 
        sub     edx, ebx
606 
        jle     .exit       ;// mike.dld, 2005-01-29
 748 
        jle     .exit       ;// mike.dld, 2005-01-29
607 
        sub     ecx, eax
 749 
        sub     ecx, eax
Line 621... Line 763...
621 
; note that WDATA.box.width is one pixel less than real window x-size
 763 
; note that WDATA.box.width is one pixel less than real window x-size
622 
        inc     ebx
 764 
        inc     ebx
623 
; \end{diamond}[20.08.2006]
 765 
; \end{diamond}[20.08.2006]
624 
        sub     ebx, [drbar.bar_cx]
 766 
        sub     ebx, [drbar.bar_cx]
625 
        ja      @f
 767 
        ja      @f
- 
 
 768 
;--------------------------------------
- 
 
 769 
align 4
626 
.exit:                       ;// mike.dld, 2005-01-29
 770 
.exit:                       ;// mike.dld, 2005-01-29
627 
        add     esp, drbar.stack_data
 771 
        add     esp, drbar.stack_data
628 
        popad
 772 
        popad
629 
        xor     eax, eax
 773 
        xor     eax, eax
630 
        inc     eax
 774 
        inc     eax
631 
        ret
 775 
        ret
- 
 
 776 
;--------------------------------------
- 
 
 777 
align 4
632 
@@:
 778 
@@:
633 
        cmp     ebx, [drbar.bar_sx]
 779 
        cmp     ebx, [drbar.bar_sx]
634 
        jbe     .end_x
 780 
        jbe     .end_x
635 
        mov     ebx, [drbar.bar_sx]
 781 
        mov     ebx, [drbar.bar_sx]
- 
 
 782 
;--------------------------------------
- 
 
 783 
align 4
636 
.end_x:
 784 
.end_x:
637 
        mov     [drbar.real_sx], ebx
 785 
        mov     [drbar.real_sx], ebx
638 
; real_sy = MIN(wnd_sy-bar_cy, bar_sy);
 786 
; real_sy = MIN(wnd_sy-bar_cy, bar_sy);
639 
        mov     ebx, [edi-twdw + WDATA.box.height]; ebx = wnd_sy
 787 
        mov     ebx, [edi-twdw + WDATA.box.height]; ebx = wnd_sy
640 
; \begin{diamond}[20.08.2006]
 788 
; \begin{diamond}[20.08.2006]
Line 645... Line 793...
645 
        add     esp, drbar.stack_data
 793 
        add     esp, drbar.stack_data
646 
        popad
 794 
        popad
647 
        xor     eax, eax
 795 
        xor     eax, eax
648 
        inc     eax
 796 
        inc     eax
649 
        ret
 797 
        ret
- 
 
 798 
;--------------------------------------
- 
 
 799 
align 4
650 
@@:
 800 
@@:
651 
        cmp     ebx, [drbar.bar_sy]
 801 
        cmp     ebx, [drbar.bar_sy]
652 
        jbe     .end_y
 802 
        jbe     .end_y
653 
        mov     ebx, [drbar.bar_sy]
 803 
        mov     ebx, [drbar.bar_sy]
- 
 
 804 
;--------------------------------------
- 
 
 805 
align 4
654 
.end_y:
 806 
.end_y:
655 
        mov     [drbar.real_sy], ebx
 807 
        mov     [drbar.real_sy], ebx
656 
; line_inc_map
 808 
; line_inc_map
657 
        mov     eax, [Screen_Max_X]
 809 
        mov     eax, [Screen_Max_X]
658 
        sub     eax, [drbar.real_sx]
 810 
        sub     eax, [drbar.real_sx]
Line 679... Line 831...
679 
        imul    eax, [Screen_Max_X]
 831 
        imul    eax, [Screen_Max_X]
680 
        add     eax, [drbar.abs_cy]
 832 
        add     eax, [drbar.abs_cy]
681 
        add     eax, [drbar.abs_cx]
 833 
        add     eax, [drbar.abs_cx]
682 
        add     eax, [_WinMapAddress]
 834 
        add     eax, [_WinMapAddress]
683 
        xchg    eax, ebp
 835 
        xchg    eax, ebp
- 
 
 836 
;--------------------------------------
- 
 
 837 
        mov     ebx, [drbar.real_sx]
- 
 
 838 
        add     ebx, [drbar.abs_cx]
- 
 
 839 
        mov     [drbar.real_sx_and_abs_cx], ebx
- 
 
 840 
        mov     ebx, [drbar.real_sy]
- 
 
 841 
        add     ebx, [drbar.abs_cy]
- 
 
 842 
        mov     [drbar.real_sy_and_abs_cy], ebx
- 
 
 843 
 
- 
 
 844 
        add     edx, LFB_BASE
- 
 
 845 
;--------------------------------------
684 
; get process number
 846 
; get process number
685 
        mov     ebx, [CURRENT_TASK]
 847 
        mov     ebx, [CURRENT_TASK]
686 
        cmp     byte [ScreenBPP], 24
 848 
        cmp     byte [ScreenBPP], 24
687 
        jne     draw_bar_end_32
 849 
        jne     draw_bar_end_32
- 
 
 850 
;--------------------------------------
- 
 
 851 
align 4
688 
draw_bar_end_24:
 852 
draw_bar_end_24:
689 
        mov     eax, [drbar.color] ;; BBGGRR00
 853 
        mov     eax, [drbar.color] ;; BBGGRR00
690 
        mov     bh, al             ;; bh  = BB
 854 
        mov     bh, al             ;; bh  = BB
691 
        shr     eax, 8             ;; eax = RRGG
 855 
        shr     eax, 8             ;; eax = RRGG
692 
; eax - color high   RRGG
 856 
; eax - color high   RRGG
Line 695... Line 859...
695 
; ecx - temp
 859 
; ecx - temp
696 
; edx - pointer to screen
 860 
; edx - pointer to screen
697 
; esi - counter
 861 
; esi - counter
698 
; edi - counter
 862 
; edi - counter
699 
        mov     esi, [drbar.real_sy]
 863 
        mov     esi, [drbar.real_sy]
- 
 
 864 
        cmp     [_display.select_cursor], 0
- 
 
 865 
        jne     draw_bar_end_24_new
- 
 
 866 
;--------------------------------------
700 
align   4
 867 
align 4
701 
.new_y:
 868 
.new_y:
702 
        mov     edi, [drbar.real_sx]
 869 
        mov     edi, [drbar.real_sx]
- 
 
 870 
;--------------------------------------
703 
align   4
 871 
align 4
704 
.new_x:
 872 
.new_x:
705 
        cmp     byte [ebp], bl
 873 
        cmp     byte [ebp], bl
706 
        jne     .skip
 874 
        jne     .skip
- 
 
 875 
;--------------------------------------
- 
 
 876 
        push    eax
- 
 
 877 
 
- 
 
 878 
        mov     ecx, [drbar.real_sx_and_abs_cx + 4]
- 
 
 879 
        sub     ecx, edi
- 
 
 880 
        shl     ecx, 16
- 
 
 881 
        add     ecx, [drbar.real_sy_and_abs_cy + 4]
- 
 
 882 
        sub     ecx, esi
Line -... Line 883...
- 
 
 883 
 
- 
 
 884 
        shl     eax, 8
- 
 
 885 
        mov     al, bh
- 
 
 886 
; check mouse area for putpixel
- 
 
 887 
        call    check_mouse_area_for_putpixel
707 
 
 888 
; store to real LFB
- 
 
 889 
        mov     [edx], ax
708 
        mov     [LFB_BASE+edx], bh
 890 
        shr     eax, 16
- 
 
 891 
        mov     [edx + 2], al
- 
 
 892 
        pop     eax
- 
 
 893 
;--------------------------------------
709 
        mov     [LFB_BASE+edx + 1], ax
 894 
align 4
710 
.skip:
 895 
.skip:
711 
; add pixel
 896 
; add pixel
712 
        add     edx, 3
 897 
        add     edx, 3
713 
        inc     ebp
 898 
        inc     ebp
Line 720... Line 905...
720 
        test    eax, 0x00800000
 905 
        test    eax, 0x00800000
721 
        jz      @f
 906 
        jz      @f
722 
        test    bh, bh
 907 
        test    bh, bh
723 
        jz      @f
 908 
        jz      @f
724 
        dec     bh
 909 
        dec     bh
- 
 
 910 
;--------------------------------------
- 
 
 911 
align 4
725 
@@:
 912 
@@:
726 
;
913 
;
727 
        dec     esi
 914 
        dec     esi
728 
        jnz     .new_y
 915 
        jnz     .new_y
- 
 
 916 
;--------------------------------------
- 
 
 917 
align 4
- 
 
 918 
.end:
729 
        add     esp, drbar.stack_data
 919 
        add     esp, drbar.stack_data
730 
        popad
 920 
        popad
731 
        xor     eax, eax
 921 
        xor     eax, eax
732 
        ret
 922 
        ret
- 
 
 923 
;--------------------------------------
- 
 
 924 
align 4
- 
 
 925 
draw_bar_end_24_new:
- 
 
 926 
;--------------------------------------
- 
 
 927 
align 4
- 
 
 928 
.new_y:
- 
 
 929 
        mov     edi, [drbar.real_sx]
- 
 
 930 
;--------------------------------------
- 
 
 931 
align 4
- 
 
 932 
.new_x:
- 
 
 933 
        cmp     byte [ebp], bl
- 
 
 934 
        jne     .skip
- 
 
 935 
;--------------------------------------
- 
 
 936 
        mov     ecx, [drbar.real_sy_and_abs_cy]
- 
 
 937 
        sub     ecx, esi
- 
 
 938 
;--------------------------------------
- 
 
 939 
; check for Y
- 
 
 940 
        cmp     cx, [Y_UNDER_subtraction_CUR_hot_y]
- 
 
 941 
        jb      .no_mouse_area
- 
 
 942 
 
- 
 
 943 
        cmp     cx, [Y_UNDER_sub_CUR_hot_y_add_curh]
- 
 
 944 
        jae     .no_mouse_area
- 
 
 945 
 
- 
 
 946 
        rol     ecx, 16
- 
 
 947 
        add     ecx, [drbar.real_sx_and_abs_cx]
- 
 
 948 
        sub     ecx, edi
- 
 
 949 
;--------------------------------------
- 
 
 950 
; check for X
- 
 
 951 
        cmp     cx, [X_UNDER_subtraction_CUR_hot_x]
- 
 
 952 
        jb      .no_mouse_area
- 
 
 953 
 
- 
 
 954 
        cmp     cx, [X_UNDER_sub_CUR_hot_x_add_curh]
- 
 
 955 
        jae     .no_mouse_area
- 
 
 956 
;--------------------------------------
- 
 
 957 
; check mouse area for putpixel
- 
 
 958 
        push    eax
- 
 
 959 
 
- 
 
 960 
        shl     eax, 8
- 
 
 961 
        mov     al, bh
Line -... Line 962...
- 
 
 962 
 
- 
 
 963 
        call    check_mouse_area_for_putpixel_new.1
- 
 
 964 
; store to real LFB
- 
 
 965 
        mov     [edx], ax
- 
 
 966 
        shr     eax, 16
- 
 
 967 
        mov     [edx + 2], al
- 
 
 968 
        pop     eax
- 
 
 969 
        jmp     .skip
- 
 
 970 
; store to real LFB
- 
 
 971 
;--------------------------------------
- 
 
 972 
align 4
- 
 
 973 
.no_mouse_area:
- 
 
 974 
        mov     [edx], bh
- 
 
 975 
        mov     [edx + 1], ax
- 
 
 976 
;--------------------------------------
- 
 
 977 
align 4
- 
 
 978 
.skip:
- 
 
 979 
; add pixel
- 
 
 980 
        add     edx, 3
- 
 
 981 
        inc     ebp
- 
 
 982 
        dec     edi
- 
 
 983 
        jnz     .new_x
- 
 
 984 
; add line
- 
 
 985 
        add     edx, [drbar.line_inc_scr]
- 
 
 986 
        add     ebp, [drbar.line_inc_map]
- 
 
 987 
;  drawing gradient bars
- 
 
 988 
        test    eax, 0x00800000
- 
 
 989 
        jz      @f
- 
 
 990 
        test    bh, bh
- 
 
 991 
        jz      @f
- 
 
 992 
        dec     bh
- 
 
 993 
;--------------------------------------
- 
 
 994 
align 4
- 
 
 995 
@@:
- 
 
 996 
;
- 
 
 997 
        dec     esi
- 
 
 998 
        jnz     .new_y
- 
 
 999 
        jmp     draw_bar_end_24.end
- 
 
 1000 
;--------------------------------------
733 
 
 1001 
align 4
734 
draw_bar_end_32:
 1002 
draw_bar_end_32:
735 
        mov     eax, [drbar.color] ;; BBGGRR00
 1003 
        mov     eax, [drbar.color] ;; BBGGRR00
- 
 
 1004 
        mov     esi, [drbar.real_sy]
- 
 
 1005 
        cmp     [_display.select_cursor], 0
- 
 
 1006 
        jne     draw_bar_end_32_new
736 
        mov     esi, [drbar.real_sy]
 1007 
;--------------------------------------
737 
align   4
 1008 
align 4
738 
.new_y:
 1009 
.new_y:
- 
 
 1010 
        mov     edi, [drbar.real_sx]
739 
        mov     edi, [drbar.real_sx]
 1011 
;--------------------------------------
740 
align   4
 1012 
align 4
741 
.new_x:
 1013 
.new_x:
742 
        cmp     byte [ebp], bl
 1014 
        cmp     byte [ebp], bl
- 
 
 1015 
        jne     .skip
- 
 
 1016 
;--------------------------------------
Line -... Line 1017...
- 
 
 1017 
        push    eax
- 
 
 1018 
 
- 
 
 1019 
        mov     ecx, [drbar.real_sx_and_abs_cx + 4]
- 
 
 1020 
        sub     ecx, edi
- 
 
 1021 
        shl     ecx, 16
- 
 
 1022 
        add     ecx, [drbar.real_sy_and_abs_cy + 4]
- 
 
 1023 
        sub     ecx, esi
- 
 
 1024 
 
- 
 
 1025 
; check mouse area for putpixel
743 
        jne     .skip
 1026 
        call    check_mouse_area_for_putpixel
- 
 
 1027 
; store to real LFB
- 
 
 1028 
        mov     [edx], eax
- 
 
 1029 
        pop     eax
744 
 
 1030 
;--------------------------------------
745 
        mov     [LFB_BASE+edx], eax
 1031 
align 4
746 
.skip:
 1032 
.skip:
747 
; add pixel
 1033 
; add pixel
748 
        add     edx, 4
 1034 
        add     edx, 4
Line 756... Line 1042...
756 
        test    eax, 0x80000000
 1042 
        test    eax, 0x80000000
757 
        jz      @f
 1043 
        jz      @f
758 
        test    al, al
 1044 
        test    al, al
759 
        jz      @f
 1045 
        jz      @f
760 
        dec     al
 1046 
        dec     al
- 
 
 1047 
;--------------------------------------
- 
 
 1048 
align 4
761 
@@:
 1049 
@@:
762 
;
1050 
;
763 
        dec     esi
 1051 
        dec     esi
764 
        jnz     .new_y
 1052 
        jnz     .new_y
- 
 
 1053 
;--------------------------------------
- 
 
 1054 
align 4
- 
 
 1055 
.end:
765 
        add     esp, drbar.stack_data
 1056 
        add     esp, drbar.stack_data
766 
        popad
 1057 
        popad
767 
        call    VGA_draw_bar
 1058 
        call    VGA_draw_bar
768 
        xor     eax, eax
 1059 
        xor     eax, eax
769 
        mov     [EGA_counter], 1
 1060 
        mov     [EGA_counter], 1
770 
        ret
 1061 
        ret
- 
 
 1062 
;--------------------------------------
- 
 
 1063 
align 4
- 
 
 1064 
draw_bar_end_32_new:
- 
 
 1065 
;--------------------------------------
- 
 
 1066 
align 4
- 
 
 1067 
.new_y:
- 
 
 1068 
        mov     edi, [drbar.real_sx]
- 
 
 1069 
;--------------------------------------
- 
 
 1070 
align 4
- 
 
 1071 
.new_x:
- 
 
 1072 
        cmp     byte [ebp], bl
- 
 
 1073 
        jne     .skip
- 
 
 1074 
;--------------------------------------
- 
 
 1075 
        mov     ecx, [drbar.real_sy_and_abs_cy]
- 
 
 1076 
        sub     ecx, esi
- 
 
 1077 
;--------------------------------------
- 
 
 1078 
; check for Y
- 
 
 1079 
        cmp     cx, [Y_UNDER_subtraction_CUR_hot_y]
- 
 
 1080 
        jb      .no_mouse_area
- 
 
 1081 
 
- 
 
 1082 
        cmp     cx, [Y_UNDER_sub_CUR_hot_y_add_curh]
- 
 
 1083 
        jae     .no_mouse_area
- 
 
 1084 
 
- 
 
 1085 
        rol     ecx, 16
- 
 
 1086 
        add     ecx, [drbar.real_sx_and_abs_cx]
- 
 
 1087 
        sub     ecx, edi
- 
 
 1088 
;--------------------------------------
- 
 
 1089 
; check for X
- 
 
 1090 
        cmp     cx, [X_UNDER_subtraction_CUR_hot_x]
- 
 
 1091 
        jb      .no_mouse_area
Line -... Line 1092...
- 
 
 1092 
 
- 
 
 1093 
        cmp     cx, [X_UNDER_sub_CUR_hot_x_add_curh]
- 
 
 1094 
        jae     .no_mouse_area
- 
 
 1095 
;--------------------------------------
- 
 
 1096 
; check mouse area for putpixel
- 
 
 1097 
        push    eax
- 
 
 1098 
        call    check_mouse_area_for_putpixel_new.1
- 
 
 1099 
        mov     [edx], eax
- 
 
 1100 
        pop     eax
- 
 
 1101 
        jmp     .skip
- 
 
 1102 
; store to real LFB
- 
 
 1103 
;--------------------------------------
- 
 
 1104 
align 4
- 
 
 1105 
.no_mouse_area:
- 
 
 1106 
        mov     [edx], eax
- 
 
 1107 
;--------------------------------------
- 
 
 1108 
align 4
- 
 
 1109 
.skip:
- 
 
 1110 
; add pixel
- 
 
 1111 
        add     edx, 4
- 
 
 1112 
        inc     ebp
- 
 
 1113 
        dec     edi
- 
 
 1114 
        jnz     .new_x
- 
 
 1115 
; add line
- 
 
 1116 
        add     edx, [drbar.line_inc_scr]
- 
 
 1117 
        add     ebp, [drbar.line_inc_map]
- 
 
 1118 
;  drawing gradient bars
- 
 
 1119 
        test    eax, 0x80000000
- 
 
 1120 
        jz      @f
- 
 
 1121 
        test    al, al
- 
 
 1122 
        jz      @f
- 
 
 1123 
        dec     al
- 
 
 1124 
;--------------------------------------
- 
 
 1125 
align 4
- 
 
 1126 
@@:
- 
 
 1127 
;
- 
 
 1128 
        dec     esi
- 
 
 1129 
        jnz     .new_y
- 
 
 1130 
        jmp     draw_bar_end_32.end
771 
 
 1131 
;------------------------------------------------------------------------------
772 
align 4
 1132 
align 4
773 
vesa20_drawbackground_tiled:
 - 
 
774 
        call    [_display.disable_mouse]
 1133 
vesa20_drawbackground_tiled:
775 
        pushad
 1134 
        pushad
776 
; External loop for all y from start to end
 1135 
; External loop for all y from start to end
- 
 
 1136 
        mov     ebx, [draw_data+32+RECT.top]    ; y start
- 
 
 1137 
;--------------------------------------
777 
        mov     ebx, [draw_data+32+RECT.top]    ; y start
 1138 
align 4
778 
dp2:
 1139 
dp2:
779 
        mov     ebp, [draw_data+32+RECT.left]   ; x start
 1140 
        mov     ebp, [draw_data+32+RECT.left]   ; x start
780 
; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp]
 1141 
; 1) Calculate pointers in WinMapAddress (does pixel belong to OS thread?) [ebp]
781 
;                       and LFB data (output for our function) [edi]
 1142 
;                       and LFB data (output for our function) [edi]
Line 786... Line 1147...
786 
        add     ebp, eax
 1147 
        add     ebp, eax
787 
        add     ebp, eax
 1148 
        add     ebp, eax
788 
        cmp     [ScreenBPP], byte 24    ; 24 or 32 bpp ? - x size
 1149 
        cmp     [ScreenBPP], byte 24    ; 24 or 32 bpp ? - x size
789 
        jz      @f
 1150 
        jz      @f
790 
        add     ebp, eax
 1151 
        add     ebp, eax
- 
 
 1152 
;--------------------------------------
- 
 
 1153 
align 4
791 
@@:
 1154 
@@:
792 
        add     ebp, LFB_BASE
 1155 
        add     ebp, LFB_BASE
793 
; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB
 1156 
; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB
794 
        call    calculate_edi
 1157 
        call    calculate_edi
795 
        xchg    edi, ebp
 1158 
        xchg    edi, ebp
Line 819... Line 1182...
819 
; eax = x, ebx = y (screen coordinates)
 1182 
; eax = x, ebx = y (screen coordinates)
820 
; ecx = deltax - number of pixels left in current tile block
 1183 
; ecx = deltax - number of pixels left in current tile block
821 
; edx = 1
 1184 
; edx = 1
822 
; esi -> bgr memory, edi -> output
 1185 
; esi -> bgr memory, edi -> output
823 
; ebp = offset in WinMapAddress
 1186 
; ebp = offset in WinMapAddress
- 
 
 1187 
;--------------------------------------
- 
 
 1188 
align 4
824 
dp3:
 1189 
dp3:
825 
        cmp     [ebp], dl
 1190 
        cmp     [ebp], dl
826 
        jnz     nbgp
 1191 
        jnz     nbgp
- 
 
 1192 
;--------------------------------------
- 
 
 1193 
        push    eax ecx
- 
 
 1194 
 
827 
        movsb
 1195 
        mov     ecx, eax
- 
 
 1196 
        shl     ecx, 16
- 
 
 1197 
        add     ecx, ebx
- 
 
 1198 
 
828 
        movsb
 1199 
        mov     eax, [esi]
- 
 
 1200 
        and     eax, 0xffffff
- 
 
 1201 
; check mouse area for putpixel
- 
 
 1202 
        call    [_display.check_mouse]
- 
 
 1203 
; store to real LFB
829 
        movsb
 1204 
        mov     [edi], ax
- 
 
 1205 
        shr     eax, 16
- 
 
 1206 
        mov     [edi+2], al
- 
 
 1207 
 
830 
        jmp     @f
 1208 
        pop     ecx eax
- 
 
 1209 
;--------------------------------------
- 
 
 1210 
align 4
831 
nbgp:
 1211 
nbgp:
832 
        add     esi, 3
 1212 
        add     esi, 3
833 
        add     edi, 3
 1213 
        add     edi, 3
- 
 
 1214 
;--------------------------------------
- 
 
 1215 
align 4
834 
@@:
 1216 
@@:
835 
        cmp     [ScreenBPP], byte 25    ; 24 or 32 bpp?
 1217 
        cmp     [ScreenBPP], byte 25    ; 24 or 32 bpp?
836 
        sbb     edi, -1         ; +1 for 32 bpp
 1218 
        sbb     edi, -1         ; +1 for 32 bpp
837 
; I do not use 'inc eax' because this is slightly slower then 'add eax,1'
 1219 
; I do not use 'inc eax' because this is slightly slower then 'add eax,1'
838 
        add     ebp, edx
 1220 
        add     ebp, edx
Line 845... Line 1227...
845 
        mov     ecx, [BgrDataWidth]
 1227 
        mov     ecx, [BgrDataWidth]
846 
        sub     esi, ecx
 1228 
        sub     esi, ecx
847 
        sub     esi, ecx
 1229 
        sub     esi, ecx
848 
        sub     esi, ecx
 1230 
        sub     esi, ecx
849 
        jmp     dp3
 1231 
        jmp     dp3
- 
 
 1232 
;--------------------------------------
- 
 
 1233 
align 4
850 
dp4:
 1234 
dp4:
851 
; next scan line
 1235 
; next scan line
852 
        inc     ebx
 1236 
        inc     ebx
853 
        cmp     ebx, [draw_data+32+RECT.bottom]
 1237 
        cmp     ebx, [draw_data+32+RECT.bottom]
854 
        jbe     dp2
 1238 
        jbe     dp2
855 
        popad
 1239 
        popad
856 
        mov     [EGA_counter], 1
 1240 
        mov     [EGA_counter], 1
857 
        call    VGA_drawbackground
 1241 
        call    VGA_drawbackground
858 
        ret
 1242 
        ret
859 
 
 - 
 
- 
 
 1243 
;------------------------------------------------------------------------------
860 
; ----------
 1244 
align 4
861 
 
 - 
 
862 
 
 - 
 
863 
vesa20_drawbackground_stretch:
 1245 
vesa20_drawbackground_stretch:
864 
        call    [_display.disable_mouse]
 - 
 
865 
        pushad
 1246 
        pushad
866 
; Helper variables
 1247 
; Helper variables
867 
; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1)
 1248 
; calculate 2^32*(BgrDataWidth-1) mod (ScreenWidth-1)
868 
        mov     eax, [BgrDataWidth]
 1249 
        mov     eax, [BgrDataWidth]
869 
        dec     eax
 1250 
        dec     eax
Line 894... Line 1275...
894 
        add     ebp, eax
 1275 
        add     ebp, eax
895 
        add     ebp, eax
 1276 
        add     ebp, eax
896 
        cmp     [ScreenBPP], byte 24    ; 24 or 32 bpp ? - x size
 1277 
        cmp     [ScreenBPP], byte 24    ; 24 or 32 bpp ? - x size
897 
        jz      @f
 1278 
        jz      @f
898 
        add     ebp, eax
 1279 
        add     ebp, eax
- 
 
 1280 
;--------------------------------------
- 
 
 1281 
align 4
899 
@@:
 1282 
@@:
900 
; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB
 1283 
; ebp:=Y*BytesPerScanLine+X*BytesPerPixel+AddrLFB
901 
        call    calculate_edi
 1284 
        call    calculate_edi
902 
        xchg    edi, ebp
 1285 
        xchg    edi, ebp
903 
; Now eax=x, ebx=y, edi->output, ebp=offset in WinMapAddress
 1286 
; Now eax=x, ebx=y, edi->output, ebp=offset in WinMapAddress
Line 924... Line 1307...
924 
        add     esi, [img_background]
 1307 
        add     esi, [img_background]
925 
        push    eax
 1308 
        push    eax
926 
        push    edx
 1309 
        push    edx
927 
        push    esi
 1310 
        push    esi
928 
; 3) Smooth horizontal
 1311 
; 3) Smooth horizontal
- 
 
 1312 
;--------------------------------------
- 
 
 1313 
align 4
929 
bgr_resmooth0:
 1314 
bgr_resmooth0:
930 
        mov     ecx, [esp+8]
 1315 
        mov     ecx, [esp+8]
931 
        mov     edx, [esp+4]
 1316 
        mov     edx, [esp+4]
932 
        mov     esi, [esp]
 1317 
        mov     esi, [esp]
933 
        push    edi
 1318 
        push    edi
934 
        mov     edi, bgr_cur_line
 1319 
        mov     edi, bgr_cur_line
935 
        call    smooth_line
 1320 
        call    smooth_line
- 
 
 1321 
;--------------------------------------
- 
 
 1322 
align 4
936 
bgr_resmooth1:
 1323 
bgr_resmooth1:
937 
        mov     eax, [esp+16+4]
 1324 
        mov     eax, [esp+16+4]
938 
        inc     eax
 1325 
        inc     eax
939 
        cmp     eax, [BgrDataHeight]
 1326 
        cmp     eax, [BgrDataHeight]
940 
        jae     bgr.no2nd
 1327 
        jae     bgr.no2nd
Line 944... Line 1331...
944 
        add     esi, [BgrDataWidth]
 1331 
        add     esi, [BgrDataWidth]
945 
        add     esi, [BgrDataWidth]
 1332 
        add     esi, [BgrDataWidth]
946 
        add     esi, [BgrDataWidth]
 1333 
        add     esi, [BgrDataWidth]
947 
        mov     edi, bgr_next_line
 1334 
        mov     edi, bgr_next_line
948 
        call    smooth_line
 1335 
        call    smooth_line
- 
 
 1336 
;--------------------------------------
- 
 
 1337 
align 4
949 
bgr.no2nd:
 1338 
bgr.no2nd:
950 
        pop     edi
 1339 
        pop     edi
- 
 
 1340 
;--------------------------------------
- 
 
 1341 
align 4
951 
sdp3:
 1342 
sdp3:
952 
        xor     esi, esi
 1343 
        xor     esi, esi
953 
        mov     ecx, [esp+12]
 1344 
        mov     ecx, [esp+12]
954 
; 4) Loop through redraw rectangle and copy background data
 1345 
; 4) Loop through redraw rectangle and copy background data
955 
; Registers meaning:
 1346 
; Registers meaning:
Line 961... Line 1352...
961 
; dword [esp+20] = x
 1352 
; dword [esp+20] = x
962 
; dword [esp+24] = y
 1353 
; dword [esp+24] = y
963 
; precalculated constants:
 1354 
; precalculated constants:
964 
; qword [esp+28] = 2^32*(BgrDataHeight-1)/(ScreenHeight-1)
 1355 
; qword [esp+28] = 2^32*(BgrDataHeight-1)/(ScreenHeight-1)
965 
; qword [esp+36] = 2^32*(BgrDataWidth-1)/(ScreenWidth-1)
 1356 
; qword [esp+36] = 2^32*(BgrDataWidth-1)/(ScreenWidth-1)
- 
 
 1357 
;--------------------------------------
- 
 
 1358 
align 4
966 
sdp3a:
 1359 
sdp3a:
967 
        mov     eax, [_WinMapAddress]
 1360 
        mov     eax, [_WinMapAddress]
968 
        cmp     [ebp+eax], byte 1
 1361 
        cmp     [ebp+eax], byte 1
969 
        jnz     snbgp
 1362 
        jnz     snbgp
970 
        mov     eax, [bgr_cur_line+esi]
 1363 
        mov     eax, [bgr_cur_line+esi]
971 
        test    ecx, ecx
 1364 
        test    ecx, ecx
972 
        jz      .novert
 1365 
        jz      .novert
973 
        mov     ebx, [bgr_next_line+esi]
 1366 
        mov     ebx, [bgr_next_line+esi]
974 
        call    [overlapping_of_points_ptr]
 1367 
        call    [overlapping_of_points_ptr]
- 
 
 1368 
;--------------------------------------
- 
 
 1369 
align 4
975 
.novert:
 1370 
.novert:
- 
 
 1371 
        push    ecx
- 
 
 1372 
        mov     ecx, [esp+20+4]        ;x
- 
 
 1373 
        shl     ecx, 16
- 
 
 1374 
        add     ecx, [esp+24+4]        ;y
- 
 
 1375 
; check mouse area for putpixel
- 
 
 1376 
        call    [_display.check_mouse]
976 
 
 - 
 
- 
 
 1377 
; store to real LFB
977 
        mov     [LFB_BASE+edi], ax
 1378 
        mov     [LFB_BASE+edi], ax
978 
        shr     eax, 16
 1379 
        shr     eax, 16
979 
 
 - 
 
980 
        mov     [LFB_BASE+edi+2], al
 1380 
        mov     [LFB_BASE+edi+2], al
- 
 
 1381 
        pop     ecx
- 
 
 1382 
;--------------------------------------
- 
 
 1383 
align 4
981 
snbgp:
 1384 
snbgp:
982 
        cmp     [ScreenBPP], byte 25
 1385 
        cmp     [ScreenBPP], byte 25
983 
        sbb     edi, -4
 1386 
        sbb     edi, -4
984 
        add     ebp, 1
 1387 
        add     ebp, 1
985 
        mov     eax, [esp+20]
 1388 
        mov     eax, [esp+20]
986 
        add     eax, 1
 1389 
        add     eax, 1
987 
        mov     [esp+20], eax
 1390 
        mov     [esp+20], eax
988 
        add     esi, 4
 1391 
        add     esi, 4
989 
        cmp     eax, [draw_data+32+RECT.right]
 1392 
        cmp     eax, [draw_data+32+RECT.right]
990 
        jbe     sdp3a
 1393 
        jbe     sdp3a
- 
 
 1394 
;--------------------------------------
- 
 
 1395 
align 4
991 
sdp4:
 1396 
sdp4:
992 
; next y
 1397 
; next y
993 
        mov     ebx, [esp+24]
 1398 
        mov     ebx, [esp+24]
994 
        add     ebx, 1
 1399 
        add     ebx, 1
995 
        mov     [esp+24], ebx
 1400 
        mov     [esp+24], ebx
Line 1004... Line 1409...
1004 
        sub     edi, eax
 1409 
        sub     edi, eax
1005 
        sub     edi, eax
 1410 
        sub     edi, eax
1006 
        cmp     [ScreenBPP], byte 24
 1411 
        cmp     [ScreenBPP], byte 24
1007 
        jz      @f
 1412 
        jz      @f
1008 
        sub     edi, eax
 1413 
        sub     edi, eax
- 
 
 1414 
;--------------------------------------
- 
 
 1415 
align 4
1009 
@@:
 1416 
@@:
1010 
        add     edi, [BytesPerScanLine]
 1417 
        add     edi, [BytesPerScanLine]
1011 
; restore ecx,edx; advance esi to next background line
 1418 
; restore ecx,edx; advance esi to next background line
1012 
        mov     eax, [esp+28]
 1419 
        mov     eax, [esp+28]
1013 
        mov     ebx, [esp+32]
 1420 
        mov     ebx, [esp+32]
Line 1030... Line 1437...
1030 
        mov     edi, bgr_cur_line
 1437 
        mov     edi, bgr_cur_line
1031 
        mov     ecx, [Screen_Max_X]
 1438 
        mov     ecx, [Screen_Max_X]
1032 
        inc     ecx
 1439 
        inc     ecx
1033 
        rep movsd
 1440 
        rep movsd
1034 
        jmp     bgr_resmooth1
 1441 
        jmp     bgr_resmooth1
- 
 
 1442 
;--------------------------------------
- 
 
 1443 
align 4
1035 
sdpdone:
 1444 
sdpdone:
1036 
        add     esp, 44
 1445 
        add     esp, 44
1037 
        popad
 1446 
        popad
1038 
        mov     [EGA_counter], 1
 1447 
        mov     [EGA_counter], 1
1039 
        call    VGA_drawbackground
 1448 
        call    VGA_drawbackground
1040 
        ret
 1449 
        ret
Line 1041... Line 1450...
1041 
 
 1450 
 
- 
 
 1451 
uglobal
1042 
uglobal
 1452 
;--------------------------------------
1043 
align 4
 1453 
align 4
1044 
bgr_cur_line    rd      1920    ; maximum width of screen
 1454 
bgr_cur_line    rd      1920    ; maximum width of screen
- 
 
 1455 
bgr_next_line   rd      1920
1045 
bgr_next_line   rd      1920
 1456 
;--------------------------------------
- 
 
 1457 
endg
1046 
endg
 1458 
;--------------------------------------
1047 
 
 1459 
align 4
1048 
smooth_line:
 1460 
smooth_line:
1049 
        mov     al, [esi+2]
 1461 
        mov     al, [esi+2]
1050 
        shl     eax, 16
 1462 
        shl     eax, 16
1051 
        mov     ax, [esi]
 1463 
        mov     ax, [esi]
1052 
        test    ecx, ecx
 1464 
        test    ecx, ecx
1053 
        jz      @f
 1465 
        jz      @f
1054 
        mov     ebx, [esi+2]
 1466 
        mov     ebx, [esi+2]
1055 
        shr     ebx, 8
 1467 
        shr     ebx, 8
- 
 
 1468 
        call    [overlapping_of_points_ptr]
- 
 
 1469 
;--------------------------------------
1056 
        call    [overlapping_of_points_ptr]
 1470 
align 4
1057 
@@:
 1471 
@@:
1058 
        stosd
 1472 
        stosd
1059 
        mov     eax, [esp+20+8]
 1473 
        mov     eax, [esp+20+8]
1060 
        add     eax, 1
 1474 
        add     eax, 1
Line 1066... Line 1480...
1066 
        adc     edx, [esp+40+8]
 1480 
        adc     edx, [esp+40+8]
1067 
        sub     eax, edx
 1481 
        sub     eax, edx
1068 
        lea     eax, [eax*3]
 1482 
        lea     eax, [eax*3]
1069 
        sub     esi, eax
 1483 
        sub     esi, eax
1070 
        jmp     smooth_line
 1484 
        jmp     smooth_line
- 
 
 1485 
;--------------------------------------
- 
 
 1486 
align 4
1071 
@@:
 1487 
@@:
1072 
        mov     eax, [draw_data+32+RECT.left]
 1488 
        mov     eax, [draw_data+32+RECT.left]
1073 
        mov     [esp+20+8], eax
 1489 
        mov     [esp+20+8], eax
1074 
        ret
 1490 
        ret
1075 
 
 - 
 
- 
 
 1491 
;------------------------------------------------------------------------------
1076 
align 16
 1492 
align 16
1077 
overlapping_of_points:
 1493 
overlapping_of_points:
1078 
if 0
 1494 
if 0
1079 
; this version of procedure works, but is slower than next version
 1495 
; this version of procedure works, but is slower than next version
1080 
        push    ecx edx
 1496 
        push    ecx edx
Line 1135... Line 1551...
1135 
        pop     ecx
 1551 
        pop     ecx
1136 
        ret
 1552 
        ret
1137 
end if
 1553 
end if
Line 1138... Line 1554...
1138 
 
 1554 
 
- 
 
 1555 
iglobal
1139 
iglobal
 1556 
;--------------------------------------
1140 
align 4
 1557 
align 4
- 
 
 1558 
overlapping_of_points_ptr       dd      overlapping_of_points
1141 
overlapping_of_points_ptr       dd      overlapping_of_points
 1559 
;--------------------------------------
- 
 
 1560 
endg
1142 
endg
 1561 
;------------------------------------------------------------------------------
1143 
 
 1562 
align 4
1144 
init_background:
 1563 
init_background:
1145 
        mov     edi, BgrAuxTable
 1564 
        mov     edi, BgrAuxTable
- 
 
 1565 
        xor     edx, edx
- 
 
 1566 
;--------------------------------------
1146 
        xor     edx, edx
 1567 
align 4
1147 
.loop2:
 1568 
.loop2:
1148 
        mov     eax, edx
 1569 
        mov     eax, edx
1149 
        shl     eax, 8
 1570 
        shl     eax, 8
1150 
        neg     eax
 1571 
        neg     eax
- 
 
 1572 
        mov     ecx, 0x200
- 
 
 1573 
;--------------------------------------
1151 
        mov     ecx, 0x200
 1574 
align 4
1152 
.loop1:
 1575 
.loop1:
1153 
        mov     byte [edi], ah
 1576 
        mov     byte [edi], ah
1154 
        inc     edi
 1577 
        inc     edi
1155 
        add     eax, edx
 1578 
        add     eax, edx
1156 
        loop    .loop1
 1579 
        loop    .loop1
1157 
        add     dl, 4
 1580 
        add     dl, 4
1158 
        jnz     .loop2
 1581 
        jnz     .loop2
1159 
        test    byte [cpu_caps+(CAPS_MMX/8)], 1 shl (CAPS_MMX mod 8)
 1582 
        test    byte [cpu_caps+(CAPS_MMX/8)], 1 shl (CAPS_MMX mod 8)
1160 
        jz      @f
 1583 
        jz      @f
- 
 
 1584 
        mov     [overlapping_of_points_ptr], overlapping_of_points_mmx
- 
 
 1585 
;--------------------------------------
1161 
        mov     [overlapping_of_points_ptr], overlapping_of_points_mmx
 1586 
align 4
1162 
@@:
 1587 
@@:
1163 
        ret
 - 
 
- 
 
 1588 
        ret
1164 
 
 1589 
;------------------------------------------------------------------------------
1165 
align 16
 1590 
align 16
1166 
overlapping_of_points_mmx:
 1591 
overlapping_of_points_mmx:
1167 
        movd    mm0, eax
 1592 
        movd    mm0, eax
1168 
        movd    mm4, eax
 1593 
        movd    mm4, eax
Line 1179... Line 1604...
1179 
        psrlw   mm1, 8
 1604 
        psrlw   mm1, 8
1180 
        packuswb mm1, mm2
 1605 
        packuswb mm1, mm2
1181 
        paddb   mm4, mm1
 1606 
        paddb   mm4, mm1
1182 
        movd    eax, mm4
 1607 
        movd    eax, mm4
1183 
        ret
 1608 
        ret
- 
 
 1609 
;------------------------------------------------------------------------------