{\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
- // get old video mode\r
- //in.h.ah = 0xf;\r
- //int86(0x10, &in, &out);\r
- gv->video.old_mode = vgaGetMode();//out.h.al;\r
+ if(gv->video.VL_Started)\r
+ return;\r
// enter mode\r
modexEnter(vq, cmem, gv);\r
break;\r
}\r
break;\r
}\r
+ VL_SetLineWidth (cm.offset, &gv->video.ofs);\r
+ gv->video.VL_Started=1;\r
}\r
\r
void\r
vgaSetMode(TEXT_MODE);\r
}\r
\r
+/*\r
+====================\r
+=\r
+= VL_SetLineWidth\r
+=\r
+= Line witdh is in WORDS, 40 words is normal width for vgaplanegr\r
+=\r
+====================\r
+*/\r
+\r
+void VL_SetLineWidth (unsigned width, ofs_t *ofs)\r
+{\r
+ int i,offset;\r
+\r
+//\r
+// set wide virtual screen\r
+//\r
+ outport (CRTC_INDEX,CRTC_OFFSET+width*256);\r
+\r
+//\r
+// set up lookup tables\r
+//\r
+ ofs->linewidth = width*2;\r
+\r
+ offset = 0;\r
+\r
+ for (i=0;i<MAXSCANLINES;i++)\r
+ {\r
+ ofs->ylookup[i]=offset;\r
+ offset += ofs->linewidth;\r
+ }\r
+}\r
+\r
page_t\r
modexDefaultPage(page_t *p)\r
{\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
- 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[x&0x03];\r
byte right = rclip[(x+w)&0x03];\r
\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
}\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