]> 4ch.mooo.com Git - 16.git/blobdiff - src/lib/modex16.c
cleanup and consolidate some mode-X code modesetting.
[16.git] / src / lib / modex16.c
old mode 100644 (file)
new mode 100755 (executable)
index 0137b62..5c0cab2
@@ -1,17 +1,64 @@
-#include <dos.h>\r
-#include <string.h>\r
-#include <mem.h>\r
+/* Project 16 Source Code~\r
+ * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669\r
+ *\r
+ * This file is part of Project 16.\r
+ *\r
+ * Project 16 is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either verson 3 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Project 16 is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>, or\r
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
+ * Fifth Floor, Boston, MA 02110-1301 USA.\r
+ *\r
+ */\r
+\r
 #include <conio.h>\r
 #include <stdio.h>\r
 #include <stdlib.h>\r
-#include "src\lib\modex16.h"\r
-\r
+#include "src/lib/modex16.h"\r
 \r
-byte far* VGA=(byte far*) 0xA0000000;  /* this points to video memory. */\r
+byte far* VGA=(byte far*) 0xA0000000;   /* this points to video memory. */\r
 \r
 static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette);\r
 static byte tmppal[PAL_SIZE];\r
 \r
+/////////////////////////////////////////////////////////////////////////////\r
+//                                                                                                                                                                                                                                             //\r
+// setvideo() - This function Manages the video modes                                                                                          //\r
+//                                                                                                                                                                                                                                             //\r
+/////////////////////////////////////////////////////////////////////////////\r
+void VGAmodeX(sword vq, boolean cmem, global_game_variables_t *gv)\r
+{\r
+       union REGS in, out;\r
+\r
+       switch (vq)\r
+       {\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
+               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
+                       // enter mode\r
+                       modexEnter(vq, cmem, gv);\r
+               break;\r
+       }\r
+}\r
+\r
 static void\r
 vgaSetMode(byte mode)\r
 {\r
@@ -22,75 +69,120 @@ vgaSetMode(byte mode)
   int86(VIDEO_INT, &regs, &regs);\r
 }\r
 \r
+//---------------------------------------------------\r
+//\r
+// Use the bios to get the current video mode\r
+//\r
 \r
-/* -========================= Entry  Points ==========================- */\r
-void\r
-modexEnter() {\r
-    word i;\r
-    dword far*ptr=(dword far*)VGA;      /* used for faster screen clearing */\r
-    word CRTParms[] = {\r
-       0x0d06,         /* vertical total */\r
-       0x3e07,         /* overflow (bit 8 of vertical counts) */\r
-       0x4109,         /* cell height (2 to double-scan */\r
-       0xea10,         /* v sync start */\r
-       0xac11,         /* v sync end and protect cr0-cr7 */\r
-       0xdf12,         /* vertical displayed */\r
-       0x0014,         /* turn off dword mode */\r
-       0xe715,         /* v blank start */\r
-       0x0616,         /* v blank end */\r
-       0xe317          /* turn on byte mode */\r
-    };\r
-    int CRTParmCount = sizeof(CRTParms) / sizeof(CRTParms[0]);\r
-\r
-    /* TODO save current video mode and palette */\r
-    vgaSetMode(VGA_256_COLOR_MODE);\r
-\r
-    /* disable chain4 mode */\r
-    outpw(SC_INDEX, 0x0604);\r
-\r
-    /* synchronous reset while setting Misc Output */\r
-    outpw(SC_INDEX, 0x0100);\r
-\r
-    /* select 25 MHz dot clock & 60 Hz scanning rate */\r
-    outp(MISC_OUTPUT, 0xe3);\r
-\r
-    /* undo reset (restart sequencer) */\r
-    outpw(SC_INDEX, 0x0300);\r
-\r
-    /* reprogram the CRT controller */\r
-    outp(CRTC_INDEX, 0x11); /* VSync End reg contains register write prot */\r
-    outp(CRTC_DATA, 0x7f);  /* get current write protect on varios regs */\r
-\r
-    /* send the CRTParms */\r
-    for(i=0; i<CRTParmCount; i++) {\r
-       outpw(CRTC_INDEX, CRTParms[i]);\r
-    }\r
+long\r
+vgaGetMode()\r
+{\r
+    union REGS rg;\r
 \r
-    /* clear video memory */\r
-    outpw(SC_INDEX, 0x0f02);\r
-    for(i=0; i<0x8000; i++) {\r
-       ptr[i] = 0x0000;\r
-    }\r
+    rg.h.ah = 0x0f;\r
+    int86(VIDEO_INT, &rg, &rg);\r
+\r
+    return rg.h.al;\r
 }\r
 \r
+/* -========================= Entry  Points ==========================- */\r
+void modexEnter(sword vq, boolean cmem, global_game_variables_t *gv)\r
+{\r
+       word i;\r
+       dword far*ptr=(dword far*)VGA;      /* used for faster screen clearing */\r
+       struct vga_mode_params cm;\r
+       int CRTParmCount;\r
+\r
+       vgaSetMode(VGA_256_COLOR_MODE);\r
+       vga_enable_256color_modex();\r
+       update_state_from_vga();\r
+       vga_read_crtc_mode(&cm);\r
+\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=vga_state.vga_width = 320; // VGA lib currently does not update this\r
+                       gv->video.page[0].sh=vga_state.vga_height = 240; // VGA lib currently does not update this\r
+\r
+                       // 320x240 mode 60Hz\r
+                       cm.horizontal_total=0x5f + 5; /* CRTC[0]             -5 */\r
+                       cm.horizontal_display_end=0x4f + 1; /* CRTC[1]       -1 */\r
+                       cm.horizontal_blank_start=0x50 + 1; /* CRTC[2] */\r
+                       cm.horizontal_blank_end=0x82 + 1;   /* CRTC[3] bit 0-4 & CRTC[5] bit 7 */\r
+                       cm.horizontal_start_retrace=0x54;/* CRTC[4] */\r
+                       cm.horizontal_end_retrace=0x80; /* CRTC[5] bit 0-4 */\r
+                       //cm.horizontal_start_delay_after_total=0x3e; /* CRTC[3] bit 5-6 */\r
+                       //cm.horizontal_start_delay_after_retrace=0x41; /* CRTC[5] bit 5-6 */\r
+                       cm.vertical_total = 0x20D + 2;\r
+                       cm.vertical_start_retrace = 0x1EA;\r
+                       cm.vertical_end_retrace = 0x1EC;\r
+                       cm.vertical_display_end = 480;\r
+                       cm.vertical_blank_start = 0x1E7 + 1;\r
+                       cm.vertical_blank_end = 0x206 + 1;\r
+                       cm.clock_select = 0; /* misc register = 0xE3  25MHz */\r
+                       cm.vsync_neg = 1;\r
+                       cm.hsync_neg = 1;\r
+                       break;\r
+               case 2: // TODO: 160x120 according to ModeX_160x120regs\r
+                       return;\r
+               case 3: // TODO: 160x120 according to ModeX_320x200regs\r
+                       return;\r
+               case 4: // TODO: 160x120 according to ModeX_192x144regs\r
+                       return;\r
+               case 5: // TODO: 160x120 according to ModeX_256x192regs\r
+                       return;\r
+               default:\r
+                       return;\r
+       }\r
+\r
+       vga_write_crtc_mode(&cm,0);\r
+\r
+       /* clear video memory */\r
+       switch (cmem)\r
+       {\r
+               case 1:\r
+               /* clear video memory */\r
+               vga_write_sequencer(2/*map mask register*/,0xf/*all 4 planes*/);\r
+               for(i=0; i<0x8000; i++) ptr[i] = 0x0000;\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
 modexLeave() {\r
-    /* TODO restore original mode and palette */\r
-    vgaSetMode(TEXT_MODE);\r
+       /* TODO restore original mode and palette */\r
+       vgaSetMode(TEXT_MODE);\r
 }\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.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
@@ -102,13 +194,35 @@ page_t
 modexNextPage(page_t *p) {\r
     page_t result;\r
 \r
-    result.data = p->data + (p->width/4)*p->height;  /* compute the offset */\r
+    result.data = p->data + (p->width/4)*p->height;\r
     result.dx = 0;\r
     result.dy = 0;\r
     result.width = p->width;\r
     result.height = p->height;\r
+       result.tw = p->width/TILEWH;\r
+       result.th = p->height/TILEWH;\r
+       result.id = p->id+1;\r
+\r
+       return result;\r
+//     return modexNextPageFlexibleSize(&p, p->width, p->height);\r
+}\r
 \r
-    return result;\r
+//next page with defined dimentions~\r
+page_t\r
+modexNextPageFlexibleSize(page_t *p, word x, word y)\r
+{\r
+       page_t result;\r
+\r
+       result.data = p->data + (p->width/4)*p->height;  /* compute the offset */\r
+       result.dx = 0;\r
+       result.dy = 0;\r
+       result.width = x;\r
+       result.height = y;\r
+       result.tw = p->width/TILEWH;\r
+       result.th = p->height/TILEWH;\r
+       result.id = p->id+1;\r
+\r
+       return result;\r
 }\r
 \r
 \r
@@ -138,7 +252,7 @@ modexShowPage(page_t *page) {
     outp(CRTC_DATA, crtcOffset);\r
 \r
     /*  wait for one retrace */\r
-    while (!(inp(INPUT_STATUS_1) & VRETRACE)); \r
+    while (!(inp(INPUT_STATUS_1) & VRETRACE));\r
 \r
     /* do PEL panning here */\r
     outp(AC_INDEX, 0x33);\r
@@ -155,7 +269,7 @@ modexPanPage(page_t *page, int dx, int dy) {
 \r
 void\r
 modexSelectPlane(byte plane) {\r
-    outp(SC_INDEX, MAP_MASK);          /* select plane */\r
+    outp(SC_INDEX, MAP_MASK);    /* select plane */\r
     outp(SC_DATA,  plane);\r
 }\r
 \r
@@ -180,196 +294,41 @@ modexClearRegion(page_t *page, int x, int y, int w, int h, byte  color) {
     __asm {\r
                MOV AX, SCREEN_SEG      ; go to the VGA memory\r
                MOV ES, AX\r
-               MOV DI, poffset         ; go to the first pixel\r
+               MOV DI, poffset  ; go to the first pixel\r
                MOV DX, SC_INDEX        ; point to the map mask\r
                MOV AL, MAP_MASK\r
                OUT DX, AL\r
                INC DX\r
-               MOV AL, color           ; get ready to write colors\r
+               MOV AL, color      ; get ready to write colors\r
        SCAN_START:\r
-               MOV CX, scanCount       ; count the line\r
-               MOV BL, AL              ; remember color\r
-               MOV AL, left            ; do the left clip\r
-               OUT DX, AL              ; set the left clip\r
-               MOV AL, BL              ; restore color\r
-               STOSB                   ; write the color\r
+               MOV CX, scanCount       ; count the line\r
+               MOV BL, AL            ; remember color\r
+               MOV AL, left        ; do the left clip\r
+               OUT DX, AL            ; set the left clip\r
+               MOV AL, BL            ; restore color\r
+               STOSB              ; write the color\r
                DEC CX\r
-               JZ SCAN_DONE            ; handle 1 group stuff\r
+               JZ SCAN_DONE        ; handle 1 group stuff\r
 \r
                ;-- write the main body of the scanline\r
-               MOV BL, AL              ; remember color\r
-               MOV AL, 0x0f            ; write to all pixels\r
+               MOV BL, AL            ; remember color\r
+               MOV AL, 0x0f        ; write to all pixels\r
                OUT DX, AL\r
-               MOV AL, BL              ; restore color\r
-               REP STOSB               ; write the color\r
+               MOV AL, BL            ; restore color\r
+               REP STOSB              ; write the color\r
        SCAN_DONE:\r
-               MOV BL, AL              ; remeber color\r
+               MOV BL, AL            ; remeber color\r
                MOV AL, right\r
-               OUT DX, AL              ; do the right clip\r
-               MOV AL, BL              ; restore color\r
-               STOSB                   ; write pixel\r
-               ADD DI, nextRow         ; go to the next row\r
+               OUT DX, AL            ; do the right clip\r
+               MOV AL, BL            ; restore color\r
+               STOSB              ; write pixel\r
+               ADD DI, nextRow  ; go to the next row\r
                DEC h\r
                JNZ SCAN_START\r
     }\r
 }\r
 \r
-\r
-void\r
-modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp) {\r
-    /* draw the region (the entire freakin bitmap) */\r
-    modexDrawBmpRegion(page, x, y, 0, 0, bmp->width, bmp->height, bmp);\r
-}\r
-\r
-\r
-void\r
-modexDrawBmpRegion(page_t *page, int x, int y,\r
-                   int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
-    word poffset = (word) page->data  + y*(page->width/4) + x/4;\r
-    byte *data = bmp->data;\r
-    word bmpOffset = (word) data + ry * bmp->width + rx;\r
-    word width = rw;\r
-    word height = rh;\r
-    byte plane = 1 << ((byte) x & 0x03);\r
-    word scanCount = width/4 + (width%4 ? 1 :0);\r
-    word nextPageRow = page->width/4 - scanCount;\r
-    word nextBmpRow = (word) bmp->width - width;\r
-    word rowCounter;\r
-    byte planeCounter = 4;\r
-\r
-       //code is a bit slow here\r
-    __asm {\r
-               MOV AX, SCREEN_SEG      ; go to the VGA memory\r
-               MOV ES, AX\r
-\r
-               MOV DX, SC_INDEX        ; point at the map mask register\r
-               MOV AL, MAP_MASK        ;\r
-               OUT DX, AL              ;\r
-\r
-       PLANE_LOOP:\r
-               MOV DX, SC_DATA         ; select the current plane\r
-               MOV AL, plane           ;\r
-               OUT DX, AL              ;\r
-\r
-               ;-- begin plane painting\r
-               MOV AX, height          ; start the row counter\r
-               MOV rowCounter, AX      ; \r
-               MOV DI, poffset         ; go to the first pixel\r
-               MOV SI, bmpOffset       ; go to the bmp pixel\r
-       ROW_LOOP:\r
-               MOV CX, width           ; count the columns\r
-       SCAN_LOOP:\r
-               MOVSB                   ; copy the pixel\r
-               SUB CX, 3               ; we skip the next 3\r
-               ADD SI, 3               ; skip the bmp pixels\r
-               LOOP SCAN_LOOP          ; finish the scan\r
-\r
-               MOV AX, nextPageRow\r
-               ADD DI, AX              ; go to the next row on screen\r
-               MOV AX, nextBmpRow\r
-               ADD SI, AX              ; go to the next row on bmp\r
-\r
-               DEC rowCounter\r
-               JNZ ROW_LOOP            ; do all the rows\r
-               ;-- end plane painting\r
-\r
-               MOV AL, plane           ; advance to the next plane\r
-               SHL AL, 1               ;\r
-               AND AL, 0x0f            ; mask the plane properly\r
-               MOV plane, AL           ; store the plane\r
-\r
-               INC bmpOffset           ; start bmp at the right spot\r
-\r
-               DEC planeCounter\r
-               JNZ PLANE_LOOP          ; do all 4 planes\r
-    }\r
-}\r
-\r
-\r
-void\r
-modexDrawPlanarBuf(page_t *page, int x, int y, planar_buf_t *bmp) {\r
-    /* TODO - adapt from test code */\r
-}\r
-\r
-\r
-void\r
-modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp) {\r
-    /* draw the whole sprite */\r
-    modexDrawSpriteRegion(page, x, y, 0, 0, bmp->width, bmp->height, bmp);\r
-}\r
-\r
-void\r
-modexDrawSpriteRegion(page_t *page, int x, int y,\r
-                     int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
-    word poffset = (word)page->data + y*(page->width/4) + x/4;\r
-    byte *data = bmp->data;\r
-    word bmpOffset = (word) data + ry * bmp->width + rx;\r
-    word width = rw;\r
-    word height = rh;\r
-    byte plane = 1 << ((byte) x & 0x03);\r
-    word scanCount = width/4 + (width%4 ? 1 :0);\r
-    word nextPageRow = page->width/4 - scanCount;\r
-    word nextBmpRow = (word) bmp->width - width;\r
-    word rowCounter;\r
-    byte planeCounter = 4;\r
-\r
-    __asm {\r
-               MOV AX, SCREEN_SEG      ; go to the VGA memory\r
-               MOV ES, AX\r
-\r
-               MOV DX, SC_INDEX        ; point at the map mask register\r
-               MOV AL, MAP_MASK        ;\r
-               OUT DX, AL              ;\r
-\r
-       PLANE_LOOP:\r
-               MOV DX, SC_DATA         ; select the current plane\r
-               MOV AL, plane           ;\r
-               OUT DX, AL              ;\r
-\r
-               ;-- begin plane painting\r
-               MOV AX, height          ; start the row counter\r
-               MOV rowCounter, AX      ; \r
-               MOV DI, poffset         ; go to the first pixel\r
-               MOV SI, bmpOffset       ; go to the bmp pixel\r
-       ROW_LOOP:\r
-               MOV CX, width           ; count the columns\r
-       SCAN_LOOP:\r
-               LODSB\r
-               DEC SI\r
-               CMP AL, 0\r
-               JNE DRAW_PIXEL          ; draw non-zero pixels\r
-\r
-               INC DI                  ; skip the transparent pixel\r
-               ADD SI, 1\r
-               JMP NEXT_PIXEL\r
-       DRAW_PIXEL:\r
-               MOVSB                   ; copy the pixel\r
-       NEXT_PIXEL:\r
-               SUB CX, 3               ; we skip the next 3\r
-               ADD SI, 3               ; skip the bmp pixels\r
-               LOOP SCAN_LOOP          ; finish the scan\r
-\r
-               MOV AX, nextPageRow\r
-               ADD DI, AX              ; go to the next row on screen\r
-               MOV AX, nextBmpRow\r
-               ADD SI, AX              ; go to the next row on bmp\r
-\r
-               DEC rowCounter\r
-               JNZ ROW_LOOP            ; do all the rows\r
-               ;-- end plane painting\r
-\r
-               MOV AL, plane           ; advance to the next plane\r
-               SHL AL, 1               ;\r
-               AND AL, 0x0f            ; mask the plane properly\r
-               MOV plane, AL           ; store the plane\r
-\r
-               INC bmpOffset           ; start bmp at the right spot\r
-\r
-               DEC planeCounter\r
-               JNZ PLANE_LOOP          ; do all 4 planes\r
-    }\r
-}\r
-\r
+/* moved to src/lib/modex16/16render.c */\r
 \r
 /* copy a region of video memory from one page to another.\r
  * It assumes that the left edge of the tile is the same on both\r
@@ -392,54 +351,54 @@ modexCopyPageRegion(page_t *dest, page_t *src,
     byte right = rclip[(sx+width)&0x03];\r
 \r
     __asm {\r
-               MOV AX, SCREEN_SEG      ; work in the vga space\r
-               MOV ES, AX              ;\r
-               MOV DI, doffset         ;\r
-               MOV SI, soffset         ;\r
+               MOV AX, SCREEN_SEG      ; work in the vga space\r
+               MOV ES, AX            ;\r
+               MOV DI, doffset  ;\r
+               MOV SI, soffset  ;\r
 \r
                MOV DX, GC_INDEX        ; turn off cpu bits\r
-               MOV AX, 0008h           ;\r
+               MOV AX, 0008h      ;\r
                OUT DX, AX\r
 \r
                MOV AX, SC_INDEX        ; point to the mask register\r
-               MOV DX, AX              ;\r
+               MOV DX, AX            ;\r
                MOV AL, MAP_MASK        ;\r
-               OUT DX, AL              ;\r
-               INC DX                  ;\r
+               OUT DX, AL            ;\r
+               INC DX            ;\r
 \r
        ROW_START:\r
                PUSH DS\r
                MOV AX, ES\r
                MOV DS, AX\r
-               MOV CX, scans           ; the number of latches\r
+               MOV CX, scans      ; the number of latches\r
 \r
-               MOV AL, left            ; do the left column\r
-               OUT DX, AL              ;\r
-               MOVSB                   ;\r
-               DEC CX                  ;\r
+               MOV AL, left        ; do the left column\r
+               OUT DX, AL            ;\r
+               MOVSB              ;\r
+               DEC CX            ;\r
 \r
-               MOV AL, 0fh             ; do the inner columns\r
+               MOV AL, 0fh          ; do the inner columns\r
                OUT DX, AL\r
-               REP MOVSB               ; copy the pixels\r
+               REP MOVSB              ; copy the pixels\r
 \r
-               MOV AL, right           ; do the right column\r
+               MOV AL, right      ; do the right column\r
                OUT DX, AL\r
                MOVSB\r
                POP DS\r
 \r
-               MOV AX, SI              ; go the start of the next row\r
-               ADD AX, nextSrcRow      ;\r
-               MOV SI, AX              ;\r
-               MOV AX, DI              ;\r
-               ADD AX, nextDestRow     ;\r
-               MOV DI, AX              ;\r
+               MOV AX, SI            ; go the start of the next row\r
+               ADD AX, nextSrcRow      ;\r
+               MOV SI, AX            ;\r
+               MOV AX, DI            ;\r
+               ADD AX, nextDestRow     ;\r
+               MOV DI, AX            ;\r
 \r
-               DEC height              ; do the rest of the actions\r
-               JNZ ROW_START           ;\r
+               DEC height            ; do the rest of the actions\r
+               JNZ ROW_START      ;\r
 \r
-               MOV DX, GC_INDEX+1      ; go back to CPU data\r
-               MOV AL, 0ffh            ; none from latches\r
-               OUT DX, AL              ;\r
+               MOV DX, GC_INDEX+1      ; go back to CPU data\r
+               MOV AL, 0ffh        ; none from latches\r
+               OUT DX, AL            ;\r
     }\r
 }\r
 \r
@@ -476,7 +435,7 @@ fadePalette(sbyte fade, sbyte start, word iter, byte *palette) {
 \r
     /* handle the case where we just update */\r
     if(iter == 0) {\r
-       modexPalUpdate(palette);\r
+       modexPalUpdate1(palette);\r
        return;\r
     }\r
 \r
@@ -489,7 +448,7 @@ fadePalette(sbyte fade, sbyte start, word iter, byte *palette) {
                tmppal[i] = 63;\r
            }\r
        }\r
-        modexPalUpdate(tmppal);\r
+       modexPalUpdate1(tmppal);\r
        iter--;\r
        dim += fade;\r
     }\r
@@ -501,7 +460,7 @@ void
 modexPalSave(byte *palette) {\r
     int  i;\r
 \r
-    outp(PAL_READ_REG, 0);     /* start at palette entry 0 */\r
+    outp(PAL_READ_REG, 0);      /* start at palette entry 0 */\r
     for(i=0; i<PAL_SIZE; i++) {\r
        palette[i] = inp(PAL_DATA_REG); /* read the palette data */\r
     }\r
@@ -586,19 +545,497 @@ modexPalWhite() {
 \r
 /* utility */\r
 void\r
-modexPalUpdate(byte *p) {\r
-    int i;\r
-    modexWaitBorder();\r
-    outp(PAL_WRITE_REG, 0);  /* start at the beginning of palette */\r
-    for(i=0; i<PAL_SIZE/2; i++) {\r
-       outp(PAL_DATA_REG, p[i]);\r
-    }\r
-    modexWaitBorder();     /* waits one retrace -- less flicker */\r
-    for(i=PAL_SIZE/2; i<PAL_SIZE; i++) {\r
-       outp(PAL_DATA_REG, p[i]);\r
-    }\r
+modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset)\r
+{\r
+       byte *p = bmp->palette;\r
+       word w=0;\r
+       word q=0;\r
+       word qq=0;\r
+       static word a[PAL_SIZE];        //palette array of change values!\r
+       word z=0, aq=0, aa=0, pp=0;\r
+\r
+       modexWaitBorder();\r
+       if((*i)==0)\r
+       {\r
+               memset(a, -1, sizeof(a));\r
+               outp(PAL_WRITE_REG, 0);  /* start at the beginning of palette */\r
+       }\r
+       else if(qp==0)\r
+       {\r
+               q=(*i);\r
+       }\r
+       else\r
+       {\r
+               q=(*i);\r
+               qq=(*i)/3;\r
+//           printf("q: %02d\n", (q));\r
+//           printf("qq: %02d\n", (qq));\r
+               //printf("      (*i)-q=%02d\n", (*i)-q);\r
+               outp(PAL_WRITE_REG, qq);  /* start at the beginning of palette */\r
+       }\r
+       if((*i)<PAL_SIZE/2 && w==0)\r
+       {\r
+               for(; (*i)<PAL_SIZE/2; (*i)++)\r
+               {\r
+                       //if(i%3==0 && (p[i+5]==p[i+4] && p[i+4]==p[i+3] && p[i+3]==p[i+2] && p[i+2]==p[i+1] && p[i+1]==p[i] && p[i+5]==p[i]))\r
+//____           if((qp>0)&&((*i)-q)%3==0 && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5])) outp(PAL_DATA_REG, p[(*i)-q]); else\r
+                       if(((((*i)-q)%3==0)) && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5]))\r
+                       {\r
+                               w++;\r
+                               break;\r
+                       }\r
+                       else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))\r
+                       {\r
+                               //printf("qp=%d\n", qp);\r
+                               //printf("            (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);\r
+                               printf("                %d's color=%d\n", (*i), (a[qp])-(bmp->offset*3)+qp);\r
+                               //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!\r
+                               if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }\r
+                       }\r
+                       else\r
+                       {\r
+                               if(bmp->offset==0 && (*i)<3 && q==0) outp(PAL_DATA_REG, 0);\r
+                               else\r
+                               if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);\r
+                               else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);\r
+                               printf("p[]=%d  qp=%d   p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }\r
+                       }\r
+               }\r
+               //if(qp>0) printf("qp=%d\n", qp);\r
+               //if(qp>0) printf("                                          (*i)=%d\n", (*i)/3);\r
+       }\r
+       modexWaitBorder();        /* waits one retrace -- less flicker */\r
+       if((*i)>=PAL_SIZE/2 && w==0)\r
+       {\r
+               for(; (*i)<PAL_SIZE; (*i)++)\r
+               {\r
+//____           if((qp>0)&&((*i)-q)%3==0 && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5])) outp(PAL_DATA_REG, p[(*i)-q]); else\r
+                       if(((((*i)-q)%3==0)) && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5]))\r
+                       {\r
+                               w++;\r
+                               break;\r
+                       }\r
+                       else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))\r
+                       {\r
+                               //printf("qp=%d\n", qp);\r
+                               //printf("            (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);\r
+                               printf("                %d's color=%d\n", (*i), (a[qp]-(bmp->offset*3)+qp));\r
+                               //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!\r
+                               if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }\r
+                       }\r
+                       else\r
+                       {\r
+                               if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);\r
+                               else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);\r
+                               printf("p[]=%d  qp=%d   p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }\r
+                       }\r
+               }\r
+               //printf("                                            (*i)=%d\n", (*i)/3);\r
+       }\r
+\r
+printf("\nqqqqqqqq\n\n");\r
+\r
+       //palette checker~\r
+       if(q>0 && qp==0)\r
+       {\r
+               long lq;\r
+               long bufSize = (bmp->width * bmp->height);\r
+               pp = q;\r
+               //printf("1(*i)=%02d\n", (*i)/3);\r
+               //printf("1z=%02d\n", z/3);\r
+               chkcolor(bmp, &q, &a, &aa, &z, i);\r
+               //printf("2(*i)=%02d\n", (*i)/3);\r
+               //printf("2z=%02d\n", z/3);\r
+               aq=0;\r
+aqpee:\r
+               while(aq<=aa)\r
+               {\r
+//                   printf("a[%02d]=(%d)\n", aq, a[aq]);\r
+                       if(a[aq]==-1) aq++;\r
+                       else { aqoffset++; break; }\r
+               }\r
+//update the image data here!\r
+       for(lq=0; lq<bufSize; lq++)\r
+       {\r
+                               /*\r
+                                                                       note to self\r
+                                                                       use a[qp] instead of bmp->offset for this spot!\r
+                                                                       NO! wwww\r
+                               */\r
+\r
+                               /*\r
+                               Facking bloody point the values of the changed palette to correct values.... major confusion! wwww\r
+                               */\r
+\r
+               //(offset/bmp->offset)*bmp->offset\r
+\r
+\r
+               //printf("%02d ",bmp->data[lq]+bmp->offset);\r
+               //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
+               //printf("%02d_", bmp->data[lq]+bmp->offset);\r
+               /*if(bmp->data[lq]+bmp->offset==aq)\r
+               {\r
+                       //printf("%02d", bmp->data[lq]);\r
+                       //printf("\n%02d\n", bmp->offset);\r
+                       printf("aq=%02d ", aq);\r
+                       printf("a[aq]=%02d      ", a[aq]);\r
+                       printf("a[aq]+aqpp=%02d ", a[aq]+aqpp);\r
+                       printf("a[aq]-aqpp=%02d\n", a[aq]-aqpp);\r
+                       //bmp->data[lq]=((bmp->data[lq]+bmp->offset)-a[aq]);\r
+//++++           bmp->data[lq]=a[aq]-aqpp;\r
+//                   printf("_%d ", bmp->data[lq]);\r
+                       //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
+               }\r
+               else if(bmp->data[lq]+bmp->offset < ((*i)/3)-aqpp)\r
+               {\r
+                       if(bmp->data[lq]+bmp->offset >= aq)\r
+                       {\r
+                               bmp->data[lq]=(bmp->data[lq]+bmp->offset)-aqpp;//-((z-(*i))/3);\r
+                               //printf("_%d ", bmp->data[lq]+bmp->offset)-aqpp-((z-(*i))/3);\r
+                       }\r
+                       else bmp->data[lq]+=(bmp->offset-aqpp);\r
+               }*/\r
+\r
+               //printf("%02d`", bmp->data[lq]);\r
+               //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
+       }\r
+\r
+//printf("           aq=%02d\n", aq);\r
+//printf("           aa=%02d\n", aa);\r
+\r
+       //update the palette~\r
+       modexPalUpdate(bmp, &pp, aq, aqoffset);\r
+       (*i)=pp;\r
+\r
+       if(aq<aa){ pp=q; aq++; goto aqpee; }\r
+       }\r
 }\r
 \r
+void\r
+modexPalUpdate1(byte *p)\r
+{\r
+       int i;\r
+       modexWaitBorder();\r
+       outp(PAL_WRITE_REG, 0);  /* start at the beginning of palette */\r
+       for(i=0; i<PAL_SIZE/2; i++)\r
+       {\r
+               outp(PAL_DATA_REG, p[i]);\r
+       }\r
+       modexWaitBorder();        /* waits one retrace -- less flicker */\r
+       for(; i<PAL_SIZE; i++)\r
+       {\r
+               outp(PAL_DATA_REG, p[(i)]);\r
+       }\r
+}\r
+\r
+void\r
+modexPalUpdate0(byte *p)\r
+{\r
+       int i;\r
+       modexWaitBorder();\r
+       outp(PAL_WRITE_REG, 0);  /* start at the beginning of palette */\r
+       for(i=0; i<PAL_SIZE/2; i++)\r
+       {\r
+               outp(PAL_DATA_REG, rand());\r
+       }\r
+       modexWaitBorder();        /* waits one retrace -- less flicker */\r
+       for(; i<PAL_SIZE; i++)\r
+       {\r
+               outp(PAL_DATA_REG, rand());\r
+       }\r
+}\r
+\r
+void\r
+modexPalOverscan(byte *p, word col)\r
+{\r
+       modexWaitBorder();\r
+       outp(PAL_WRITE_REG, 0);  /* start at the beginning of palette */\r
+       outp(PAL_DATA_REG, col);\r
+}\r
+\r
+//color checker~\r
+//i want to make another vesion that checks the palette when the palette is being appened~\r
+void chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/)\r
+{\r
+               byte *pal;\r
+               word zz=0;\r
+               pal = modexNewPal();\r
+               modexPalSave(pal);\r
+               //printf("q: %02d\n", (*q));\r
+               printf("chkcolor start~\n");\r
+               printf("1                              (*z): %d\n", (*z)/3);\r
+               printf("1                              (*i): %d\n", (*i)/3);\r
+//           printf("1 offset of color in palette    (*q): %d\n", (*q)/3);\r
+               printf("wwwwwwwwwwwwwwww\n");\r
+               //check palette for dups\r
+               for(; (*z)<PAL_SIZE; (*z)+=3)\r
+               {\r
+                       //printf("\n        z: %d\n", (*z));\r
+                       //printf("            q: %d\n", (*q));\r
+                       //printf("            z+q: %d\n\n", ((*z)+(*q)));\r
+                       //if((*z)%3==0)\r
+                       //{\r
+//----                   if(pal[(*z)]==pal[(*z)+3] && pal[(*z)+1]==pal[(*z)+4] && pal[(*z)+2]==pal[(*z)+5])\r
+                               if((*z)==(*i))\r
+                               {\r
+//                                   printf("\n%d    [%02d][%02d][%02d]\n", (*z), pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
+//                                   printf("%d      [%02d][%02d][%02d]\n\n", (*z)+3, pal[(*z)+3], pal[(*z)+4], pal[(*z)+5]);\r
+//0000                           (*z)-=3;\r
+                                       break;\r
+                               }\r
+                               else for(zz=0; zz<(*q); zz+=3)\r
+                               {\r
+                                       //printf("zz: %02d\n", zz/3);\r
+                                       if(zz%3==0)\r
+                                       {\r
+                                               if(pal[((*z)+(*q))]==pal[((*z)+(*q))+3] && pal[((*z)+(*q))+1]==pal[((*z)+(*q))+4] && pal[((*z)+(*q))+2]==pal[((*z)+(*q))+5])    //break if duplicate colors found in palette because it have reached the end of the current data of the palette\r
+                                               {\r
+//                                                   (*z)-=3;\r
+//                                                   (*i)-=3;\r
+//                                                   printf("\nzq1:%d[%02d][%02d][%02d]\n", (zz+q), pal[(zz+q)], pal[(zz+q)+1], pal[(zz+q)+2]);\r
+//                                                   printf("zq2:%d[%02d][%02d][%02d]\n\n", (zz+q)+3, pal[(zz+q)+3], pal[(zz+q)+4], pal[(zz+q)+5]);\r
+                                                       break;\r
+                                               }\r
+                                               else if(pal[zz]==pal[((*z)+(*q))] && pal[zz+1]==pal[((*z)+(*q))+1] && pal[zz+2]==pal[((*z)+(*q))+2])\r
+                                               {\r
+//                                                   printf("\n\nwwwwwwwwwwwwwwww\n");\r
+//                                                   printf("  zq: %d  [%02d][%02d][%02d] value that is needing to be changed~\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);\r
+//                                                   printf("  zz: %d  [%02d][%02d][%02d] value that the previous value is going to change to~\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);\r
+//                                                   //printf("      zv: %d  [%02d][%02d][%02d] wwww\n", (zz-z+q)/3, pal[(zz-z+q)], pal[(zz-z+q)+1], pal[(zz-z+q)+2]);\r
+//                                                   printf("  z : %d  [%02d][%02d][%02d] offset value~\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
+//++++                                           (*i)--;\r
+//                                                   (*z)--;\r
+                                                       //expand dong here\r
+/*\r
+planned features that i plan to implement~\r
+image that has values on the pallete list!\r
+wwww\r
+no... wait.... no wwww\r
+*/\r
+                                                       //for(zzii=0; zzii<3; zzii++)\r
+                                                       //{\r
+                                                               //printf("z+q: %d\n\n", ((*z)+(*q)));\r
+                                                               a[(((*z)+(*q)))]=zz;\r
+                                                       //}\r
+                                                       (*aa)=(((*z)+(*q)));\r
+                                                       printf("!!                                    a[%02d]: %d\n", (((*z)+(*q))/3), zz/3);\r
+//                                                   printf("\n              aa: %d\n\n", (*aa));\r
+//                                                   printf("  a[%02d]=(%02d) offset array i think the palette should be updated again~\n", ((*z)+(*q))/3, a[((*z)+(*q))/3]);\r
+//                                                   printf("wwwwwwwwwwwwwwww\n\n");\r
+                                               }\r
+                                               /*else\r
+                                               {\r
+                                                       printf("================\n");\r
+                                                       printf("zq: %d  [%02d][%02d][%02d]\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);\r
+                                                       printf("zz: %d  [%02d][%02d][%02d]\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);\r
+                                                       printf("z : %d  [%02d][%02d][%02d]\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
+                                                       printf("================\n");\r
+                                               }*/\r
+                                               //printf("[%d]", (zz+q));\r
+                                       }\r
+                               }\r
+               }\r
+               printf("wwwwwwwwwwwwwwww\n");\r
+               printf("2                              (*z): %d\n", (*z)/3);\r
+               printf("2                              (*i): %d\n", (*i)/3);\r
+//           printf("2 offset of color in palette    (*q): %d\n", (*q)/3);\r
+               printf("chkcolor end~\n");\r
+               free(pal);\r
+}\r
+\r
+void modexputPixel(page_t *page, int x, int y, byte color)\r
+{\r
+       word pageOff = (word) page->data;\r
+       /* Each address accesses four neighboring pixels, so set\r
+          Write Plane Enable according to which pixel we want\r
+          to modify.  The plane is determined by the two least\r
+          significant bits of the x-coordinate: */\r
+       modexSelectPlane(PLANE(x));\r
+       //outp(SC_INDEX, 0x02);\r
+       //outp(SC_DATA, 0x01 << (x & 3));\r
+\r
+       /* The offset of the pixel into the video segment is\r
+          offset = (width * y + x) / 4, and write the given\r
+          color to the plane we selected above.  Heed the active\r
+          page start selection. */\r
+       VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff] = color;\r
+\r
+}\r
+\r
+byte modexgetPixel(page_t *page, int x, int y)\r
+{\r
+       word pageOff = (word) page->data;\r
+       /* Select the plane from which we must read the pixel color: */\r
+       outpw(GC_INDEX, 0x04);\r
+       outpw(GC_INDEX+1, x & 3);\r
+\r
+       return VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff];\r
+\r
+}\r
+\r
+void modexhlin(page_t *page, word xl, word xh, word y, word color)\r
+{\r
+       word x;\r
+       word yy=0;\r
+\r
+       for(x=0;x<xh*4;x+=4)\r
+       {\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
+void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str, boolean q)\r
+{\r
+       word s, o, w;\r
+       word addr = (word) romFontsData.l;\r
+       byte c;\r
+\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
+       {\r
+       c = (*str);\r
+       if((c=='\n'/* || c=="\\r
+"*/) || romFontsData.chw\r
+>=page->width)\r
+       {\r
+               romFontsData.chw=0;\r
+               y+=romFonts[t].charSize;\r
+               continue;\r
+       }\r
+       //load the letter 'A'\r
+       __asm {\r
+               MOV DI, addr\r
+               MOV SI, o\r
+               MOV ES, s\r
+               SUB AH, AH\r
+               MOV AL, c       ; the letter\r
+               MOV CX, w\r
+               MUL CX\r
+               ADD SI, AX      ;the address of charcter\r
+       L1:     MOV AX, ES:SI\r
+               MOV DS:DI, AX\r
+               INC SI\r
+               INC DI\r
+               DEC CX\r
+               JNZ L1\r
+       }\r
+//TODO: OPTIMIZE THIS!!!!\r
+               modexDrawCharPBuf(page, x, y, t, col, bgcol, q);\r
+\r
+               //if(!q) getch();\r
+       }\r
+}\r
+\r
+void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)\r
+{\r
+       word i, s, o, w, j, xp;\r
+       byte l[1024];\r
+       word addr = (word) l;\r
+       word chw=0;\r
+       byte c;\r
+\r
+       switch(t)\r
+       {\r
+               case 0:\r
+                       w=14;\r
+               break;\r
+               case 1:\r
+                       w=8;\r
+               break;\r
+               case 2:\r
+                       w=8;\r
+               break;\r
+               case 3:\r
+                       w=16;\r
+               break;\r
+               default:\r
+                       t=3;\r
+                       w=16;\r
+               break;\r
+       }\r
+\r
+       s=romFonts[t].seg;\r
+       o=romFonts[t].off;\r
+\r
+       for(; *str != '\0'; str++)\r
+       {\r
+       c = (*str);\r
+       if((c=='\n'/* || c=="\\r
+"*/)/* || chw>=page->width*/)\r
+       {\r
+               chw=0;\r
+               y+=w;\r
+               continue;\r
+       }\r
+       //load the letter 'A'\r
+       __asm {\r
+               MOV DI, addr\r
+               MOV SI, o\r
+               MOV ES, s\r
+               SUB AH, AH\r
+               MOV AL, c       ; the letter\r
+               MOV CX, w\r
+               MUL CX\r
+               ADD SI, AX      ;the address of charcter\r
+       L1:     MOV AX, ES:SI\r
+               MOV DS:DI, AX\r
+               INC SI\r
+               INC DI\r
+               DEC CX\r
+               JNZ L1\r
+       }\r
+\r
+               for(i=0; i<w; i++)\r
+               {\r
+                       j=1<<8;\r
+                       xp=0;\r
+                       while(j)\r
+                       {\r
+                               //modexputPixel(page, x+xp+chw, y+i, l[i] & j ? col:bgcol);\r
+                               modexClearRegion(page, (x+xp+chw)*8, (y+i)*8, 8, 8, l[i] & j ? col:bgcol);\r
+                               xp++;\r
+                               j>>=1;\r
+                       }\r
+               }\r
+               chw += xp;\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
+//              the Virtual screen.                                                                                     //\r
+//                                                                                                                                              //\r
+/////////////////////////////////////////////////////////////////////////////\r
+void cls(page_t *page, byte color, byte *Where)\r
+{\r
+       //modexClearRegion(page, 0, 0, page->width, page->height, color);\r
+       /* set map mask to all 4 planes */\r
+       outpw(SC_INDEX, 0xff02);\r
+       //_fmemset(VGA, color, 16000);\r
+       _fmemset(Where, color, page->width*(page->height)/4);\r
+}\r
 \r
 void\r
 modexWaitBorder() {\r