==160x120 is back==

[16.git] / src / lib / modex16.c

diff --git a/src/lib/modex16.c b/src/lib/modex16.c
index 01cd48ff1d7d0d94f83ffb3196b17522ee3a6c66..f64fe1c18f12b450448181fe54fa39321e4ee378 100755 (executable)
--- a/src/lib/modex16.c
+++ b/src/lib/modex16.c
@@ -93,14 +93,15 @@ modexEnter(sword vq, global_game_variables_t *gv)
        dword far*ptr=(dword far*)VGA;      /* used for faster screen clearing */\r
        int CRTParmCount;\r
        /* common mode X initiation stuff~ */\r
-       modexsetBaseXMode();\r
+       modexsetBaseXMode(gv->video.page);\r
 \r
        switch(vq)\r
        {\r
-               case 0:\r
+               case 1:\r
                        CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);\r
                        /* width and height */\r
-                       //TODO add width and height of screen\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
@@ -113,16 +114,51 @@ modexEnter(sword vq, global_game_variables_t *gv)
                                ptr[i] = 0x0000;\r
                        }\r
                break;\r
-               case 1:\r
+               case 2:\r
                        CRTParmCount = sizeof(ModeX_192x144regs) / sizeof(ModeX_192x144regs[0]);\r
                        /* width and height */\r
-                       //TODO add width and height of screen\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
+                       /* 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
+                       }\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
@@ -130,6 +166,12 @@ modexEnter(sword vq, global_game_variables_t *gv)
                        }\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
@@ -143,7 +185,7 @@ modexLeave() {
 //    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
@@ -170,17 +212,25 @@ modexsetBaseXMode(void)
 }\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
@@ -1145,7 +1195,7 @@ void modexhlin(page_t *page, word xl, word xh, word y, word color)
 \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