{\r
case 0: // deinit the video\r
// change to the video mode we were in before we switched to mode 13h\r
- modexLeave();\r
- in.h.ah = 0x00;\r
- in.h.al = gv->video.old_mode;\r
- int86(0x10, &in, &out);\r
+ if(gv->video.VL_Started)\r
+ {\r
+ modexLeave();\r
+ in.h.ah = 0x00;\r
+ in.h.al = gv->video.old_mode;\r
+ int86(0x10, &in, &out);\r
+ }\r
+ gv->video.VL_Started=0;\r
break;\r
default: // init the video\r
+ if(gv->video.VL_Started)\r
+ return;\r
// get old video mode\r
//in.h.ah = 0xf;\r
//int86(0x10, &in, &out);\r
}\r
break;\r
}\r
+// VL_SetLineWidth (cm.offset, &gv->video.ofs);\r
+ gv->video.VL_Started=1;\r
}\r
\r
void\r
\r
void VL_Initofs(video_t *video)\r
{\r
- if(!video->bgps)\r
+ if(!video->vga_state.bgps)\r
{\r
video->ofs.offscreen_ofs = video->page[0].pagesize+video->page[1].pagesize;//(vga_state.vga_stride * vga_state.vga_height);\r
video->ofs.pattern_ofs = (uint16_t)video->page[2].data;\r
\r
VL_Initofs(video);\r
//doslib origi var\r
- video->omemptr= vga_state.vga_graphics_ram;\r
- video->vga_draw_stride= vga_state.vga_draw_stride;\r
- video->vga_draw_stride_limit= vga_state.vga_draw_stride_limit;\r
+ video->vga_state.omemptr= vga_state.vga_graphics_ram;\r
+ video->vga_state.vga_draw_stride= vga_state.vga_draw_stride;\r
+ video->vga_state.vga_draw_stride_limit= vga_state.vga_draw_stride_limit;\r
//sprite render switch and bgpreservation switch\r
- video->rss= 1;\r
- video->bgps= 1;\r
+ video->vga_state.rss= 1;\r
+ video->vga_state.bgps= 1;\r
\r
//setup the buffersize\r
video->page[0].dx=video->page[0].dy=\r
}\r
\r
void\r
-modexClearRegion(page_t *page, int x, int y, int w, int h, byte color) {\r
+modexClearRegion(page_t *page, int x, int y, int w, int h, byte color)\r
+{\r
word pageOff = (word) page->data;\r
- word xoff=x/4; /* xoffset that begins each row */\r
- word scanCount=w/4; /* number of iterations per row (excluding right clip)*/\r
- word poffset = pageOff + y*(page->stridew) + xoff; /* starting offset */\r
- word nextRow = page->stridew-scanCount-1; /* loc of next row */\r
- byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */\r
- byte rclip[] = {0x00, 0x01, 0x03, 0x07};\r
+ word xoff=(x>>2); // xoffset that begins each row\r
+ word poffset = pageOff + y*(page->stridew) + xoff; // starting offset\r
+ word scanCount=w>>2; // number of iterations per row (excluding right clip)\r
+ word nextRow = page->stridew-scanCount-1; // loc of next row\r
+ LRCLIPDEF\r
byte left = lclip[x&0x03];\r
byte right = rclip[(x+w)&0x03];\r
\r
- /* handle the case which requires an extra group */\r
+ // handle the case which requires an extra group\r
if((x & 0x03) && !((x+w) & 0x03)) {\r
- right=0x0f;\r
+ right=0x0f;\r
}\r
\r
//printf("modexClearRegion(x=%u, y=%u, w=%u, h=%u, left=%u, right=%u)\n", x, y, w, h, left, right);\r
word dx, word dy,\r
word width, word height)\r
{\r
- word doffset = (word)dest->data + dy*(dest->stridew) + dx/4;\r
- word soffset = (word)src->data + sy*(src->stridew) + sx/4;\r
- word scans = vga_state.vga_stride; //++++0000 the quick and dirty fix of the major issue with p16 video display wwww\r
+ word doffset = (word)dest->data + dy*(dest->stridew) + (dx>>2);\r
+ word soffset = (word)src->data + sy*(src->stridew) + (sx>>2);\r
+ word scans = vga_state.vga_stride+8; //++++0000 the quick and dirty fix of the major issue with p16 video display wwww\r
word nextSrcRow = src->stridew - scans - 1;\r
word nextDestRow = dest->stridew - scans - 1;\r
- byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */\r
- byte rclip[] = {0x00, 0x01, 0x03, 0x07};\r
+ LRCLIPDEF\r
byte left = lclip[sx&0x03];\r
byte right = rclip[(sx+width)&0x03];\r
\r
- /* handle the case which requires an extra group */\r
+ // handle the case which requires an extra group\r
if((sx & 0x03) && !((sx+width) & 0x03)) {\r
right=0x0f;\r
}\r
}\r
}\r
\r
+//check 16_vl_1.c\r
\r
/* fade and flash */\r
void\r
}\r
}\r
\r
-void\r
+word\r
modexPalOverscan(word col)\r
{\r
//modexWaitBorder();\r
vga_wait_for_vsync();\r
outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
outp(PAL_DATA_REG, col);\r
+ return col;\r
}\r
+//check 16_vl_1.c\r
\r
void modexputPixel(page_t *page, int x, int y, byte color)\r
{\r
}\r
}\r
\r
-void modexprint(page_t *page, sword x, sword y, word t, boolean tlsw, word col, word bgcol, const byte *str)\r
+void modexprint(page_t *page, sword x, sword y, word t, boolean tlsw, word col, word bgcol, boolean sw, const byte *str)\r
{\r
word s, o, w;\r
word x_draw;\r
word addrr;\r
byte c;\r
\r
- if(tlsw){ x-=page->tlx; y-=page->tly; }\r
- x_draw = x/4;\r
- addrq = (page->stridew) * y + (word)(x_draw) +\r
- ((word)page->data);\r
- addrr = addrq;\r
- s=romFonts[t].seg;\r
- o=romFonts[t].off;\r
- w=romFonts[t].charSize;\r
- romFontsData.chw=0;\r
-\r
- for(; *str != '\0'; str++)\r
+ switch(sw)\r
{\r
- c = (*str);\r
- if(c=='\n')\r
- {\r
- x = x_draw;\r
- romFontsData.chw = 0;\r
- addrq += (page->stridew) * 8;\r
+ case 0:\r
+ printf("%s\n", str);\r
+ break;\r
+ case 1:\r
+ if(tlsw){ x-=page->tlx; y-=page->tly; }\r
+ x_draw = x/4;\r
+ addrq = (page->stridew) * y + (word)(x_draw) +\r
+ ((word)page->data);\r
addrr = addrq;\r
- y += 8;\r
- continue;\r
- }\r
+ s=romFonts[t].seg;\r
+ o=romFonts[t].off;\r
+ w=romFonts[t].charSize;\r
+ romFontsData.chw=0;\r
\r
- // load the character into romFontsData.l\r
- // no need for inline assembly!\r
- // NTS: It might even be faster to just let the modexDrawChar point directly at ROM font than to copy per char! --J.C.\r
- _fmemcpy(romFontsData.l,MK_FP(s,o+(w*c))/*ROM font location*/,w/*char size*/);\r
- modexDrawChar(page, x_draw/*for mode X planar use*/, t, col, bgcol, addrr);\r
- x_draw += 8; /* track X for edge of screen */\r
- addrr += 2; /* move 8 pixels over (2 x 4 planar pixels per byte) */\r
+ for(; *str != '\0'; str++)\r
+ {\r
+ c = (*str);\r
+ if(c=='\n')\r
+ {\r
+ x = x_draw;\r
+ romFontsData.chw = 0;\r
+ addrq += (page->stridew) * 8;\r
+ addrr = addrq;\r
+ y += 8;\r
+ continue;\r
+ }\r
+\r
+ // load the character into romFontsData.l\r
+ // no need for inline assembly!\r
+ // NTS: It might even be faster to just let the modexDrawChar point directly at ROM font than to copy per char! --J.C.\r
+ _fmemcpy(romFontsData.l,MK_FP(s,o+(w*c))/*ROM font location*/,w/*char size*/);\r
+ modexDrawChar(page, x_draw/*for mode X planar use*/, t, col, bgcol, addrr);\r
+ x_draw += 8; /* track X for edge of screen */\r
+ addrr += 2; /* move 8 pixels over (2 x 4 planar pixels per byte) */\r
+ }\r
+ //printf("print xy:%dx%d tlxy:%dx%d\n", x, y, page->tlx, page->tly);\r
+ break;\r
}\r
- //printf("print xy:%dx%d tlxy:%dx%d\n", x, y, page->tlx, page->tly);\r
}\r
\r
void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)\r
\r
}\r
\r
+//===========================================================================\r
+\r
//\r
// printings of video memory information\r
//\r
projects / 16.git / blobdiff