X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fmodex16.h;h=f85eb055a2de9b60b47e8d9a0c7faecc4248a4ce;hb=c1d3221afb5fe541d8c886ff66198329c153e48e;hp=d88726243da96a7aeee4deb46c704c92f89aac40;hpb=cc5df35b6ba3d7871eac6734822464c7e176f4b7;p=16.git diff --git a/src/lib/modex16.h b/src/lib/modex16.h old mode 100644 new mode 100755 index d8872624..f85eb055 --- a/src/lib/modex16.h +++ b/src/lib/modex16.h @@ -1,41 +1,128 @@ +/* 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 , 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 -#include "src\lib\types.h" -#include "src\lib\bitmap.h" -#include "src\lib\planar.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 +#include +#include +#include + +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 QUADWH TILEWH/2 /* -========================== 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 struct { - byte far* data; /* the data for the page */ - word dx; /* col we are viewing on the virtual screen */ - word dy; /* row we are viewing on the virtual screen */ - word width; /* virtual width of the page */ - word height; /* virtual height of the page */ -} page_t; +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 modexEnter(); +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(); -page_t modexDefaultPage(); +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 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); -void modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp); -void modexDrawBmpRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp); -void modexDrawPlanarBuf(page_t *page, int x, int y, planar_buf_t *bmp); -void modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp); -void modexDrawSpriteRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp); +/* 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 */ @@ -55,36 +142,45 @@ void modexPalBlack(); void modexPalWhite(); /* utility functions */ -void modexPalUpdate(byte *p, word *i); -void modexPalUpdate2(byte *p); -void modexWaitBorder(); +void modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset); +void modexPalUpdate1(byte *p); +void modexPalUpdate0(byte *p); +void modexPalOverscan(byte *p, 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); -/* -======================= 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 SCREEN_WIDTH 320 -#define SCREEN_HEIGHT 240 -#define PAGE_SIZE (word)(SCREEN_WIDTH/4 * SCREEN_HEIGHT) +#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(); -#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