X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fmodex16.h;h=55e0be87641900ea7e91c800237043cb00423d1b;hb=848c772e64209441c696de3d8101f7b3b81f1354;hp=3c47ee074a949a9e359bbeb43ae14bc7fc4a789a;hpb=92c617f0987b290f1e8032ec97004478944f192e;p=16.git diff --git a/src/lib/modex16.h b/src/lib/modex16.h index 3c47ee07..55e0be87 100755 --- a/src/lib/modex16.h +++ b/src/lib/modex16.h @@ -32,13 +32,17 @@ #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/modex16/320x200.h" +// #include "src/lib/modex16/256x192.h" +// #include "src/lib/modex16/192x144_.h" +// #include "src/lib/modex16/160x120.h" -//TODO dos lib vga implementation ^^ -//#define DOSLIBVGA +#ifdef __WATCOMC__ +#include +#include +#include +#include +#endif static struct pcxHeader { byte id; @@ -64,12 +68,13 @@ static struct pcxHeader { //192x144 = 12x9 //temp defines -#define TILEWH 16 +#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 PLANE(x) (1 << ((x) & 3)) #define SELECT_ALL_PLANES() outpw(0x03c4, 0xff02) #define PALSIZE 768 @@ -80,16 +85,44 @@ 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 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); @@ -117,40 +150,42 @@ void modexPalWhite(); 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 chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/); +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); -void modexhlin(page_t *page, word xl, word xh, word y, word color); -void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str, boolean q); + +#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 modexpdump(page_t *pee); +void modexcls(page_t *page, byte color, byte *Where); void modexWaitBorder(); +void modexprintmeminfo(video_t *v); -/* -======================= 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) #endif