\r
static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette);\r
static byte tmppal[PAL_SIZE];\r
-//int old_mode;\r
\r
/////////////////////////////////////////////////////////////////////////////\r
// //\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->old_mode;\r
+ in.h.al = gv->video.old_mode;\r
int86(0x10, &in, &out);\r
break;\r
- case 1: // init the video\r
+ default: // init the video\r
// get old video mode\r
- in.h.ah = 0xf;\r
- int86(0x10, &in, &out);\r
- gv->old_mode = out.h.al;\r
- // enter mode\r
- modex__320x240_256__Enter(gv);\r
- break;\r
- case 2: // init the video\r
- // get old video mode\r
- in.h.ah = 0xf;\r
- int86(0x10, &in, &out);\r
- gv->old_mode = out.h.al;\r
+ //in.h.ah = 0xf;\r
+ //int86(0x10, &in, &out);\r
+ gv->video.old_mode = vgaGetMode();//out.h.al;\r
// enter mode\r
- modex__192x144_256__Enter(gv);\r
+ modexEnter(vq, gv);\r
break;\r
}\r
}\r
int86(VIDEO_INT, ®s, ®s);\r
}\r
\r
-/* -========================= Entry Points ==========================- */\r
-void\r
-modex__320x240_256__Enter(global_game_variables_t *gv)\r
-{\r
- word i;\r
- dword far*ptr=(dword far*)VGA; /* used for faster screen clearing */\r
-\r
- int CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);\r
- /* width and height */\r
- //TODO WWWW\r
+//---------------------------------------------------\r
+//\r
+// Use the bios to get the current video mode\r
+//\r
\r
- /* common mode X initiation stuff~ */\r
- modexsetBaseXMode();\r
+long\r
+vgaGetMode()\r
+{\r
+ union REGS rg;\r
\r
- /* send the CRTParms */\r
- for(i=0; i<CRTParmCount; i++) {\r
- outpw(CRTC_INDEX, ModeX_320x240regs[i]);\r
- }\r
+ rg.h.ah = 0x0f;\r
+ int86(VIDEO_INT, &rg, &rg);\r
\r
- /* clear video memory */\r
- outpw(SC_INDEX, 0x0f02);\r
- for(i=0; i<0x8000; i++) {\r
- ptr[i] = 0x0000;\r
- }\r
+ return rg.h.al;\r
}\r
\r
+/* -========================= Entry Points ==========================- */\r
void\r
-modex__192x144_256__Enter(global_game_variables_t *gv)\r
+modexEnter(sword vq, global_game_variables_t *gv)\r
{\r
word i;\r
dword far*ptr=(dword far*)VGA; /* used for faster screen clearing */\r
+ int CRTParmCount;\r
+ /* common mode X initiation stuff~ */\r
+ modexsetBaseXMode(gv->video.page);\r
\r
- int CRTParmCount = sizeof(ModeX_192x144regs) / sizeof(ModeX_192x144regs[0]);\r
- /* width and height */\r
- //TODO WWWW\r
+ switch(vq)\r
+ {\r
+ case 1:\r
+ CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=320;\r
+ gv->video.page[0].sh=240;\r
+\r
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_320x240regs[i]);\r
+ }\r
\r
- /* common mode X initiation stuff~ */\r
- modexsetBaseXMode();\r
+ /* clear video memory */\r
+ outpw(SC_INDEX, 0x0f02);\r
+ for(i=0; i<0x8000; i++) {\r
+ ptr[i] = 0x0000;\r
+ }\r
+ break;\r
+ case 2:\r
+ CRTParmCount = sizeof(ModeX_192x144regs) / sizeof(ModeX_192x144regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=192;\r
+ gv->video.page[0].sh=144;\r
+\r
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_192x144regs[i]);\r
+ }\r
\r
- /* send the CRTParms */\r
- for(i=0; i<CRTParmCount; i++) {\r
- outpw(CRTC_INDEX, ModeX_192x144regs[i]);\r
- }\r
+ /* clear video memory */\r
+ outpw(SC_INDEX, 0x0f02);\r
+ for(i=0; i<0x8000; i++) {\r
+ ptr[i] = 0x0000;\r
+ }\r
+ break;\r
+ case 3:\r
+ CRTParmCount = sizeof(ModeX_320x200regs) / sizeof(ModeX_320x200regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=320;\r
+ gv->video.page[0].sh=200;\r
+\r
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_320x200regs[i]);\r
+ }\r
\r
- /* clear video memory */\r
- outpw(SC_INDEX, 0x0f02);\r
- for(i=0; i<0x8000; i++) {\r
- ptr[i] = 0x0000;\r
+ /* clear video memory */\r
+ outpw(SC_INDEX, 0x0f02);\r
+ for(i=0; i<0x8000; i++) {\r
+ ptr[i] = 0x0000;\r
+ }\r
+ break;\r
+ case 5:\r
+ CRTParmCount = sizeof(ModeX_256x192regs) / sizeof(ModeX_256x192regs[0]);\r
+ /* width and height */\r
+ gv->video.page[0].sw=256;\r
+ gv->video.page[0].sh=192;\r
+\r
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_256x192regs[i]);\r
+ }\r
+\r
+ /* clear video memory */\r
+ outpw(SC_INDEX, 0x0f02);\r
+ for(i=0; i<0x8000; i++) {\r
+ ptr[i] = 0x0000;\r
+ }\r
+ break;\r
}\r
+ gv->video.page[0].tilesw = gv->video.page[0].sw/TILEWH;\r
+ gv->video.page[0].tilesh = gv->video.page[0].sh/TILEWH;\r
+ //TODO MAKE FLEXIBLE~\r
+ gv->video.page[0].tilemidposscreenx = gv->video.page[0].tilesw;\r
+ gv->video.page[0].tilemidposscreeny = (gv->video.page[0].tilesh/2)+1;\r
+ #define PAGE_SIZE (word)(gv->video.page[0].sw/4 * gv->video.page[0].sh)\r
}\r
\r
void\r
// involves enabling writes to index 0 to 7 of the CRT controller (port\r
// 0x3D4), by clearing the most significant bit (bit 7) of index 0x11.\r
void\r
-modexsetBaseXMode(void)\r
+modexsetBaseXMode(page_t *page)\r
{\r
word temp;\r
/* TODO save current video mode and palette */\r
}\r
\r
page_t\r
-modexDefaultPage() {\r
+modexDefaultPage(page_t *p)\r
+{\r
page_t page;\r
\r
/* default page values */\r
page.data = VGA;\r
page.dx = 0;\r
page.dy = 0;\r
- page.width = SCREEN_WIDTH;\r
- page.height = SCREEN_HEIGHT;\r
- page.tw = page.width/TILEWH;\r
- page.th = page.height/TILEWH;\r
+ page.sw = p->sw;\r
+ page.sh = p->sh;\r
+ page.width = p->sw;\r
+ page.height = p->sh;\r
+ page.tw = page.sw/TILEWH;\r
+ page.th = page.sh/TILEWH;\r
+ page.tilemidposscreenx = page.tw/2;\r
+ page.tilemidposscreeny = (page.th/2)+1;\r
+ page.tilesw=p->tilesw;\r
+ page.tilesh=p->tilesh;\r
+ //pageSize = p->sw*p->sh;\r
page.id = 0;\r
\r
return page;\r
\r
for(x=0;x<xh*4;x+=4)\r
{\r
- if(x+4>=SCREEN_WIDTH-1){ x=0; yy+=4; }\r
+ if(x+4>=page[0].sw-1){ x=0; yy+=4; }\r
modexClearRegion(page, x+xl, y+yy, 4, 4, color);\r
}\r
//modexputPixel(page, x+xl, y, color);\r
}\r
}\r
\r
+/* palette dump on display! */\r
+void pdump(page_t *pee)\r
+{\r
+ int mult=(QUADWH);\r
+ int palq=(mult)*TILEWH;\r
+ int palcol=0;\r
+ int palx, paly;\r
+ for(paly=0; paly<palq; paly+=mult){\r
+ for(palx=0; palx<palq; palx+=mult){\r
+ modexClearRegion(pee, palx+TILEWH, paly+TILEWH, mult, mult, palcol);\r
+ palcol++;\r
+ }\r
+ }\r
+}\r
+\r
/////////////////////////////////////////////////////////////////////////////\r
// //\r
// cls() - This clears the screen to the specified color, on the VGA or on //\r