/* Project 16 Source Code~
- * Copyright (C) 2012-2015 sparky4 & pngwen & andrius4669
+ * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669
*
* This file is part of Project 16.
*
*/
#ifndef MODEX16_H
#define MODEX16_H
-//#include <conio.h>
-#include "src/lib/types.h"
+#include "src/lib/16_head.h"
#include "src/lib/bitmap.h"
#include "src/lib/planar.h"
-#include "src/lib/16_head.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 "src/lib/modex16/planar16.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
/* -========================== Types & Macros ==========================- */
#define PAGE_OFFSET(x,y) (((y)<<6)+((y)<<4)+((x)>>2))
-#define PLANE(x) (1<< (x&3))
+#define PLANE(x) (1 << ((x) & 3))
#define SELECT_ALL_PLANES() outpw(0x03c4, 0xff02)
+#define PALSIZE 768
typedef union
{
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, global_game_variables_t *gv);
-void modexEnter(sword vq, global_game_variables_t *gv);
-long vgaGetMode();
+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 *page);
+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 modexPalUpdate1(byte *p);
void modexPalUpdate0(byte *p);
void modexPalOverscan(byte *p, word col);
-void chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/);
+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);
-void modexhlin(page_t *page, word xl, word xh, word y, word color);
+
+#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 pdump(page_t *pee);
-void cls(page_t *page, byte color, byte *Where);
-void modexWaitBorder();
+void modexpdump(page_t *pee);
+void modexcls(page_t *page, byte color, byte *Where);
+//void modexWaitBorder();
+void bios_cls();
-/* -======================= Constants & Vars ==========================- */
-extern byte far* VGA; /* The VGA Memory */
-//extern int old_mode;
-#define SCREEN_SEG 0xa000
-#define VIDEO_INT 0x10
-#define SET_MODE 0x00
-#define VGA_256_COLOR_MODE 0x13
-#define TEXT_MODE 0x03
-//#define SCREEN_WIDTH 320
-//#define SCREEN_HEIGHT 240
-//#define PAGE_SIZE (word)(SCREEN_WIDTH/4 * SCREEN_HEIGHT)
-
-#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
-#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)
#endif
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