-/*\r
- * Functions for handling modex and doing other basic graphics stuff.\r
- */\r
-#ifndef MODEX16_H\r
-#define MODEX16_H\r
-#include <conio.h>\r
-#include "src\lib\types.h"\r
-#include "src\lib\bitmap.h"\r
-#include "src\lib\planar.h"\r
-\r
-/* -========================== Types & Macros ==========================- */\r
-#define PAGE_OFFSET(x,y) (((y)<<6)+((y)<<4)+((x)>>2))\r
-#define PLANE(x) (1<< (x&3))\r
-#define SELECT_ALL_PLANES() outpw(0x03c4, 0xff02)\r
-\r
-typedef struct {\r
- byte far* data; /* the data for the page */\r
- word dx; /* col we are viewing on the virtual screen */\r
- word dy; /* row we are viewing on the virtual screen */\r
- word width; /* virtual width of the page */\r
- word height; /* virtual height of the page */\r
-} page_t;\r
-\r
-/* -============================ Functions =============================- */\r
-/* mode switching, page, and plane functions */\r
-void modexEnter();\r
-void modexLeave();\r
-page_t modexDefaultPage();\r
-page_t modexNextPage(page_t *p);\r
-void modexShowPage(page_t *page);\r
-void modexPanPage(page_t *page, int dx, int dy);\r
-void modexSelectPlane(byte plane);\r
-void modexClearRegion(page_t *page, int x, int y, int w, int h, byte color);\r
-void modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp);\r
-void modexDrawBmpRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp);\r
-void modexDrawPlanarBuf(page_t *page, int x, int y, planar_buf_t *bmp);\r
-void modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp);\r
-void modexDrawSpriteRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp);\r
-void modexCopyPageRegion(page_t *dest, page_t *src, word sx, word sy, word dx, word dy, word width, word height);\r
-\r
-/* Palette fade and flash effects */\r
-void modexFadeOn(word fade, byte *palette);\r
-void modexFadeOff(word fade, byte *palette);\r
-void modexFlashOn(word fade, byte *palette);\r
-void modexFlashOff(word fade, byte *palette);\r
-\r
-/* palette loading and saving */\r
-void modexPalSave(byte *palette);\r
-byte *modexNewPal();\r
-void modexLoadPalFile(char *filename, byte **palette);\r
-void modexSavePalFile(char *filename, byte *palette);\r
-\r
-/* fixed palette functions */\r
-void modexPalBlack();\r
-void modexPalWhite();\r
-\r
-/* utility functions */\r
-void modexPalUpdate(byte *p);\r
-void modexWaitBorder();\r
-\r
-/* -======================= Constants & Vars ==========================- */\r
-extern byte far* VGA; /* The VGA Memory */\r
-#define SCREEN_SEG 0xa000\r
-#define VIDEO_INT 0x10\r
-#define SET_MODE 0x00\r
-#define VGA_256_COLOR_MODE 0x13\r
-#define TEXT_MODE 0x03\r
-#define SCREEN_WIDTH 320\r
-#define SCREEN_HEIGHT 240\r
-#define PAGE_SIZE (word)(SCREEN_WIDTH/4 * SCREEN_HEIGHT)\r
-\r
-#define AC_INDEX 0x03c0\r
-#define SC_INDEX 0x03c4\r
-#define SC_DATA 0x03c5\r
-#define CRTC_INDEX 0x03d4\r
-#define CRTC_DATA 0x03d5\r
-#define GC_INDEX 0x03ce\r
-#define MISC_OUTPUT 0x03c2\r
-#define HIGH_ADDRESS 0x0C\r
-#define LOW_ADDRESS 0x0D\r
-#define VRETRACE 0x08\r
-#define INPUT_STATUS_1 0x03da\r
-#define DISPLAY_ENABLE 0x01\r
-#define MAP_MASK 0x02\r
-#define PAL_READ_REG 0x03C7 /* Color register, read address */\r
-#define PAL_WRITE_REG 0x03C8 /* Color register, write address */\r
-#define PAL_DATA_REG 0x03C9 /* Color register, data port */\r
-#define PAL_SIZE (256 * 3)\r
-#endif\r
+/* Project 16 Source Code~
+ * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669
+ *
+ * This file is part of Project 16.
+ *
+ * Project 16 is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Project 16 is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>, or
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,
+ * Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+/*
+ * Functions for handling modex and doing other basic graphics stuff.
+ */
+#ifndef MODEX16_H
+#define MODEX16_H
+
+#include "src/lib/16_head.h"
+#include "src/lib/bitmap.h"
+#include "src/lib/planar.h"
+#include "src/lib/modex16/16planar.h"
+#include "src/lib/16text.h"
+#include "src/lib/modex16/16render.h"
+#include "src/lib/modex16/320x240.h"
+// #include "src/lib/modex16/320x200.h"
+// #include "src/lib/modex16/256x192.h"
+// #include "src/lib/modex16/192x144_.h"
+// #include "src/lib/modex16/160x120.h"
+
+#include <hw/cpu/cpu.h>
+#include <hw/dos/dos.h>
+#include <hw/vga/vga.h>
+#include <hw/vga/vrl.h>
+
+static struct pcxHeader {
+ byte id;
+ byte version;
+ byte encoding;
+ byte bpp;
+ word xmin;
+ word ymin;
+ word xmax;
+ word ymax;
+ word hres;
+ word vres;
+ byte pal16[48];
+ byte res1;
+ word bpplane;
+ word palType;
+ word hScreenSize;
+ word vScreenSize;
+ byte padding[54];
+} head;
+
+//320x240 = 20x15
+//192x144 = 12x9
+
+//temp defines
+#define TILEWH 16
+#define TILEWHD TILEWH*2
+#define QUADWH TILEWH/2
+
+/* -========================== Types & Macros ==========================- */
+#define PAGE_OFFSET(x,y) (((y)<<6)+((y)<<4)+((x)>>2))
+#define PLANE(x) (1 << ((x) & 3))
+#define SELECT_ALL_PLANES() outpw(0x03c4, 0xff02)
+#define PALSIZE 768
+
+typedef union
+{
+ byte red;
+ byte green;
+ byte blue;
+} rgb_t;
+
+/* -======================= Constants & Vars ==========================- */
+extern byte far* VGA; /* The VGA Memory */
+#define SCREEN_SEG 0xa000
+#define VIDEO_INT 0x10
+#define SET_MODE 0x00
+#define VGA_256_COLOR_MODE 0x13
+#define TEXT_MODE 0x03
+
+#define AC_INDEX 0x03c0
+#define SC_INDEX 0x03c4
+#define SC_DATA 0x03c5
+#define CRTC_INDEX 0x03d4
+#define CRTC_DATA 0x03d5
+#define GC_INDEX 0x03ce
+#define MISC_OUTPUT 0x03c2
+#define HIGH_ADDRESS 0x0C
+#define LOW_ADDRESS 0x0D
+#define VRETRACE 0x08
+//#define INPUT_STATUS_1 0x03da defined in 16_head
+#define DISPLAY_ENABLE 0x01
+#define MAP_MASK 0x02
+#define PAL_READ_REG 0x03C7 /* Color register, read address */
+#define PAL_WRITE_REG 0x03C8 /* Color register, write address */
+#define PAL_DATA_REG 0x03C9 /* Color register, data port */
+#define PAL_SIZE (256 * 3)
+
+/* -============================ Functions =============================- */
+/* mode switching, page, and plane functions */
+void VGAmodeX(sword vq, boolean cmem, global_game_variables_t *gv);
+void modexEnter(sword vq, boolean cmem, global_game_variables_t *gv);
+byte vgaGetMode();
+void modexLeave();
+void modexsetBaseXMode();
+page_t modexDefaultPage(page_t *p);
+page_t modexNextPage(page_t *p);
+page_t modexNextPageFlexibleSize(page_t *p, word x, word y);
+void modexCalcVmemRemain(video_t *video);
+void modexHiganbanaPageSetup(video_t *video);
+void modexShowPage(page_t *page);
+void modexPanPage(page_t *page, int dx, int dy);
+void modexSelectPlane(byte plane);
+void modexClearRegion(page_t *page, int x, int y, int w, int h, byte color);
+/* moved to src/lib/modex16/16render.c */
+void modexCopyPageRegion(page_t *dest, page_t *src, word sx, word sy, word dx, word dy, word width, word height);
+
+/* Palette fade and flash effects */
+void modexFadeOn(word fade, byte *palette);
+void modexFadeOff(word fade, byte *palette);
+void modexFlashOn(word fade, byte *palette);
+void modexFlashOff(word fade, byte *palette);
+
+/* palette loading and saving */
+void modexPalSave(byte *palette);
+byte *modexNewPal();
+void modexLoadPalFile(char *filename, byte **palette);
+void modexSavePalFile(char *filename, byte *palette);
+
+/* fixed palette functions */
+void modexPalBlack();
+void modexPalWhite();
+
+/* utility functions */
+void modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset);
+void modexPalUpdate1(byte *p);
+void modexPalUpdate0(byte *p);
+void modexPalOverscan(word col);
+void modexchkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/);
+void modexputPixel(page_t *page, int x, int y, byte color);
+byte modexgetPixel(page_t *page, int x, int y);
+
+#if 0 // not needed anymore. maybe good for reference purposes though.
+static inline void modexwritepixel(page_t *page, int x, int y, word addr, byte color)
+{
+ /* Each address accesses four neighboring pixels, so set
+ Write Plane Enable according to which pixel we want
+ to modify. The plane is determined by the two least
+ significant bits of the x-coordinate: */
+ modexSelectPlane(PLANE(x));
+ //outp(SC_INDEX, 0x02);
+ //outp(SC_DATA, 0x01 << (x & 3));
+
+ /* The offset of the pixel into the video segment is
+ offset = (width * y + x) / 4, and write the given
+ color to the plane we selected above. Heed the active
+ page start selection. */
+ vga_state.vga_graphics_ram[addr] = color;
+}
+static inline byte modexreadPixel(page_t *page, int x, int y, word addr)
+{
+ /* Select the plane from which we must read the pixel color: */
+ outpw(GC_INDEX, 0x04);
+ outpw(GC_INDEX+1, x & 3);
+ return vga_state.vga_graphics_ram[addr];
+}
+#endif
+
+void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str);
+void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str);
+void modexpdump(page_t *pee);
+void modexcls(page_t *page, byte color, byte *Where);
+void modexWaitBorder();
+void bios_cls();
+void modexprintmeminfo(video_t *v);
+
+#endif