mirror of https://github.com/nmlgc/ReC98.git
377 lines
10 KiB
C++
377 lines
10 KiB
C++
/* ReC98
|
|
* -----
|
|
* C++ redeclarations and ReC98-specific extensions for master.lib.
|
|
* Definitions that require types from `pc98.h` are guarded via `#ifdef`,
|
|
* allowing this header to be used on its own if those aren't required.
|
|
*/
|
|
|
|
/// Types
|
|
/// -----
|
|
|
|
// A version of master.lib's Point without the constructor, even in C++
|
|
struct point_t {
|
|
int x, y;
|
|
};
|
|
|
|
#ifdef PC98_H
|
|
struct screen_point_t {
|
|
screen_x_t x;
|
|
screen_y_t y;
|
|
};
|
|
|
|
#if defined(__cplusplus)
|
|
// master.lib palettes use twice the bits per RGB component for more
|
|
// toning precision
|
|
typedef RGB<uint8_t, 256> RGB8;
|
|
typedef Palette<RGB8> Palette8;
|
|
#endif
|
|
#endif
|
|
/// -----
|
|
|
|
/// Memory model definitions (adapted from master.h)
|
|
/// ------------------------------------------------
|
|
#if !defined(MASTER_NEAR) && !defined(MASTER_FAR) && !defined(MASTER_COMPACT) && !defined(MASTER_MEDIUM)
|
|
#if defined(__SMALL__) || defined(__TINY__) || defined(M_I86SM) || defined(M_I86TM)
|
|
#define MASTER_NEAR
|
|
#elif defined(__COMPACT__) || defined(M_I86CM)
|
|
#define MASTER_COMPACT
|
|
#elif defined(__MEDIUM__) || defined(M_I86MM)
|
|
#define MASTER_MEDIUM
|
|
#elif defined(__LARGE__) || defined(__HUGE__) || defined(M_I86LM) || defined(M_I86HM)
|
|
#define MASTER_FAR
|
|
#endif
|
|
#endif
|
|
|
|
#if defined(MASTER_NEAR)
|
|
#define MASTER_RET near pascal
|
|
#define MASTER_CRET near cdecl
|
|
#define MASTER_PTR near
|
|
#elif defined(MASTER_FAR)
|
|
#define MASTER_RET far pascal
|
|
#define MASTER_CRET far cdecl
|
|
#define MASTER_PTR far
|
|
#elif defined(MASTER_COMPACT)
|
|
#define MASTER_RET near pascal
|
|
#define MASTER_CRET near cdecl
|
|
#define MASTER_PTR far
|
|
#elif defined(MASTER_MEDIUM)
|
|
#define MASTER_RET far pascal
|
|
#define MASTER_CRET far cdecl
|
|
#define MASTER_PTR near
|
|
#endif
|
|
|
|
#ifndef MASTER_RET
|
|
#error Memory model for master.lib could not be determined?
|
|
#endif
|
|
/// ------------------------------------------------
|
|
|
|
/// Original functions (only contains those actually called from ZUN code)
|
|
/// ----------------------------------------------------------------------
|
|
/// TODO: Remove the `!defined(__MASTER_H)` branches once we've gotten rid of
|
|
/// of master.h.
|
|
|
|
// EGC
|
|
// ---
|
|
|
|
#if !defined(__MASTER_H)
|
|
#define EGC_ACTIVEPLANEREG 0x04a0
|
|
#define EGC_READPLANEREG 0x04a2
|
|
#define EGC_MODE_ROP_REG 0x04a4
|
|
#define EGC_FGCOLORREG 0x04a6
|
|
#define EGC_MASKREG 0x04a8
|
|
#define EGC_BGCOLORREG 0x04aa
|
|
#define EGC_ADDRRESSREG 0x04ac
|
|
#define EGC_BITLENGTHREG 0x04ae
|
|
|
|
#define EGC_COMPAREREAD 0x2000
|
|
#define EGC_WS_PATREG 0x1000 /* WS = write source */
|
|
#define EGC_WS_ROP 0x0800 /* parren reg, ans of rop, cpu data */
|
|
#define EGC_WS_CPU 0x0000
|
|
#define EGC_SHIFT_CPU 0x0400 /* input to shifter */
|
|
#define EGC_SHIFT_VRAM 0x0000 /* cpu write, vram read */
|
|
#define EGC_RL_MEMWRITE 0x0200 /* RL = pattern Register Load */
|
|
#define EGC_RL_MEMREAD 0x0100 /* ^at mem write, <-at mem read */
|
|
#define EGC_RL_NONE 0x0000 /* no touch */
|
|
#endif
|
|
|
|
void MASTER_RET egc_on(void);
|
|
void MASTER_RET egc_off(void);
|
|
void MASTER_RET egc_start(void);
|
|
|
|
#if !defined(__MASTER_H)
|
|
#define egc_selectpat() \
|
|
outport(EGC_READPLANEREG, 0x00ff)
|
|
|
|
// TODO: Document and add helpful macros for the EGC raster ops
|
|
#define egc_setrop(mode_rop) \
|
|
outport(EGC_MODE_ROP_REG, mode_rop)
|
|
#endif
|
|
// ---
|
|
|
|
// Graphics
|
|
// --------
|
|
|
|
#if !defined(__MASTER_H)
|
|
#define graph_showpage(p) \
|
|
outportb(0xA4, p)
|
|
|
|
#define graph_accesspage(p) \
|
|
outportb(0xA6, p)
|
|
#endif
|
|
|
|
extern unsigned graph_VramZoom;
|
|
|
|
void MASTER_RET graph_400line(void);
|
|
void MASTER_RET graph_200line(int tail);
|
|
void MASTER_RET graph_clear(void);
|
|
void MASTER_RET graph_show(void);
|
|
void MASTER_RET graph_hide(void);
|
|
void MASTER_RET graph_start(void);
|
|
int MASTER_RET graph_copy_page(int to_page);
|
|
|
|
#if !defined(__MASTER_H) && defined(PC98_H) && defined(__cplusplus)
|
|
void MASTER_RET graph_gaiji_putc(int x, int y, int c, int color);
|
|
void MASTER_RET graph_gaiji_puts(
|
|
int x, int y, int step, const char MASTER_PTR *str, int color
|
|
);
|
|
|
|
// Clipping
|
|
int MASTER_RET grc_setclip(int xl, int yt, int xr, int yb);
|
|
int MASTER_RET grc_clip_polygon_n(
|
|
screen_point_t MASTER_PTR *dest,
|
|
int ndest,
|
|
const screen_point_t MASTER_PTR *src,
|
|
int nsrc
|
|
);
|
|
#endif
|
|
// --------
|
|
|
|
// GRCG-accelerated graphics
|
|
// -------------------------
|
|
|
|
#if !defined(__MASTER_H)
|
|
/* grcg_setcolor()や vgc_setcolor()に指定するアクセスプレーン指定 */
|
|
#define GC_B 0x0e /* 青プレーンをアクセスする */
|
|
#define GC_R 0x0d
|
|
#define GC_BR 0x0c /* : */
|
|
#define GC_G 0x0b /* : */
|
|
#define GC_BG 0x0a /* : */
|
|
#define GC_RG 0x09
|
|
#define GC_BRG 0x08 /* : */
|
|
#define GC_I 0x07
|
|
#define GC_BI 0x06
|
|
#define GC_RI 0x05
|
|
#define GC_BRI 0x04
|
|
#define GC_GI 0x03
|
|
#define GC_BGI 0x02
|
|
#define GC_RGI 0x01 /* : */
|
|
#define GC_BRGI 0x00 /* 全プレーンをアクセスする */
|
|
|
|
/* grcg_setcolor()の modeに設定する値 */
|
|
#define GC_OFF 0
|
|
#define GC_TDW 0x80 /* 書き込みﾃﾞｰﾀは無視して、ﾀｲﾙﾚｼﾞｽﾀの内容を書く */
|
|
#define GC_TCR 0x80 /* ﾀｲﾙﾚｼﾞｽﾀと同じ色のﾋﾞｯﾄが立って読み込まれる */
|
|
#define GC_RMW 0xc0 /* 書き込みﾋﾞｯﾄが立っているﾄﾞｯﾄにﾀｲﾙﾚｼﾞｽﾀから書く */
|
|
|
|
void MASTER_RET grcg_setcolor(int mode, int color);
|
|
void MASTER_RET grcg_settile_1line(int mode, long tile);
|
|
void MASTER_RET grcg_off(void);
|
|
|
|
#define grcg_setmode(mode) \
|
|
outportb(0x7C, mode)
|
|
#define grcg_off() \
|
|
outportb(0x7C, 0)
|
|
#endif
|
|
|
|
#if defined(PC98_H) && defined(__cplusplus)
|
|
// Trapezoids
|
|
void MASTER_RET grcg_trapezoid(
|
|
int y1, int x11, int x12, int y2, int x21, int x22
|
|
);
|
|
|
|
// Polygons
|
|
void MASTER_RET grcg_polygon_c(
|
|
const struct Point MASTER_PTR *pts, int npoint
|
|
);
|
|
void MASTER_RET grcg_polygon_cx(
|
|
const struct Point MASTER_PTR *pts, int npoint
|
|
);
|
|
|
|
// Triangles
|
|
void MASTER_RET grcg_triangle(
|
|
int x1, int y1, int x2, int y2, int x3, int y3
|
|
);
|
|
|
|
// Straight lines
|
|
void MASTER_RET grcg_hline(int x1, int x2, int y);
|
|
void MASTER_RET grcg_vline(int x, int y1, int y2);
|
|
void MASTER_RET grcg_line(int x1, int y1, int x2, int y2);
|
|
|
|
// Rectangles
|
|
void MASTER_RET grcg_boxfill(int x1, int y1, int x2, int y2);
|
|
void MASTER_RET grcg_pset(int x, int y);
|
|
void MASTER_RET grcg_fill(void);
|
|
void MASTER_RET grcg_round_boxfill(
|
|
int x1, int y1, int x2, int y2, unsigned r
|
|
);
|
|
void MASTER_RET grcg_byteboxfill_x(
|
|
vram_x_t left, vram_y_t top, vram_x_t right, vram_y_t bottom
|
|
);
|
|
|
|
// Circles
|
|
void MASTER_RET grcg_circle(int x, int y, unsigned r);
|
|
void MASTER_RET grcg_circlefill(int x, int y, unsigned r);
|
|
#endif
|
|
// -------------------------
|
|
|
|
// Heap
|
|
// ----
|
|
|
|
void MASTER_RET mem_assign(unsigned top_seg, unsigned parasize);
|
|
void MASTER_RET mem_assign_all(void);
|
|
int MASTER_RET mem_unassign(void);
|
|
int MASTER_RET mem_assign_dos(unsigned parasize);
|
|
|
|
// Regular
|
|
unsigned MASTER_RET hmem_allocbyte(unsigned bytesize);
|
|
void MASTER_RET hmem_free(unsigned memseg);
|
|
// Fast
|
|
unsigned MASTER_RET smem_wget(unsigned bytesize);
|
|
void MASTER_RET smem_release(unsigned memseg);
|
|
// ----
|
|
|
|
// Palette
|
|
// -------
|
|
|
|
void MASTER_RET palette_show(void);
|
|
|
|
#if !defined(__MASTER_H)
|
|
#define palette_settone(tone) \
|
|
(PaletteTone = (tone), palette_show())
|
|
|
|
#define palette_100() \
|
|
palette_settone(100)
|
|
|
|
#define palette_black() \
|
|
palette_settone(0)
|
|
|
|
#define palette_white() \
|
|
palette_settone(200)
|
|
#endif
|
|
|
|
#if !defined(__MASTER_H) && defined(PC98_H) && defined(__cplusplus)
|
|
#define palette_set(col, r, g, b) (\
|
|
Palettes[col].v[0] = (uint8_t)(r), \
|
|
Palettes[col].v[1] = (uint8_t)(g), \
|
|
Palettes[col].v[2] = (uint8_t)(b) \
|
|
)
|
|
|
|
#define palette_set_all(m) \
|
|
memcpy(Palettes, (m), sizeof(Palette8))
|
|
|
|
extern Palette8 Palettes;
|
|
#endif
|
|
|
|
extern unsigned int PaletteTone;
|
|
|
|
int MASTER_RET palette_entry_rgb(const char MASTER_PTR *);
|
|
void MASTER_RET palette_black_in(unsigned speed);
|
|
void MASTER_RET palette_black_out(unsigned speed);
|
|
void MASTER_RET palette_white_in(unsigned speed);
|
|
void MASTER_RET palette_white_out(unsigned speed);
|
|
// -------
|
|
|
|
// .PI
|
|
// ---
|
|
|
|
#if defined(__cplusplus) && !defined(__MASTER_H) && defined(PC98_H)
|
|
struct PiHeader {
|
|
char far *comment; // graph_pi_load.*() sets this to NULL
|
|
uint16_t commentlen; //
|
|
uint8_t mode; //
|
|
uint8_t n; // aspect
|
|
uint8_t m; // aspect
|
|
uint8_t plane; // usually 4
|
|
char machine[4]; //
|
|
uint16_t maexlen; // machine extend data length
|
|
void far * maex; // machine extend data
|
|
uint16_t xsize;
|
|
uint16_t ysize;
|
|
Palette4 palette;
|
|
};
|
|
|
|
int MASTER_RET graph_pi_load_pack(
|
|
const char MASTER_PTR *filename,
|
|
struct PiHeader MASTER_PTR *header,
|
|
void far *MASTER_PTR *bufptr
|
|
);
|
|
void MASTER_RET graph_pi_free(
|
|
struct PiHeader MASTER_PTR *header, const void far* image
|
|
);
|
|
void MASTER_RET graph_pack_put_8(
|
|
int x, int y, const void far *linepat, int len
|
|
);
|
|
#endif
|
|
// ---
|
|
|
|
// Text RAM
|
|
// --------
|
|
|
|
#define text_width() 80
|
|
void MASTER_RET text_boxfilla(
|
|
unsigned x1, unsigned y1, unsigned x2, unsigned y2, unsigned atrb
|
|
);
|
|
void MASTER_RET text_clear(void);
|
|
void MASTER_RET text_fillca(unsigned ch, unsigned atrb);
|
|
void MASTER_RET text_putca(unsigned x, unsigned y, unsigned ch, unsigned atrb);
|
|
void MASTER_RET text_puts(unsigned x, unsigned y, const char MASTER_PTR *str);
|
|
void MASTER_RET text_putsa(
|
|
unsigned x, unsigned y, const char MASTER_PTR *str, unsigned atrb
|
|
);
|
|
|
|
void MASTER_RET text_cursor_hide(void);
|
|
void MASTER_RET text_cursor_show(void);
|
|
void MASTER_RET text_systemline_hide(void);
|
|
void MASTER_RET text_systemline_show(void);
|
|
void MASTER_RET text_show(void);
|
|
void MASTER_RET text_hide(void);
|
|
|
|
// Attributes
|
|
#define TX_BLACK 0x01
|
|
#define TX_BLUE 0x21
|
|
#define TX_RED 0x41
|
|
#define TX_MAGENTA 0x61
|
|
#define TX_GREEN 0x81
|
|
#define TX_CYAN 0xa1
|
|
#define TX_YELLOW 0xc1
|
|
#define TX_WHITE 0xe1
|
|
#define TX_BLINK 2
|
|
#define TX_REVERSE 4
|
|
#define TX_UNDERLINE 8
|
|
// --------
|
|
|
|
// VSync
|
|
// -----
|
|
|
|
extern unsigned volatile int vsync_Count1, vsync_Count2;
|
|
|
|
#define vsync_reset1() (vsync_Count1 = 0)
|
|
#define vsync_reset2() (vsync_Count2 = 0)
|
|
|
|
void MASTER_RET vsync_start(void);
|
|
void MASTER_RET vsync_end(void);
|
|
// -----
|
|
/// ----------------------------------------------------------------------
|
|
|
|
/// Inlined extensions
|
|
/// ------------------
|
|
#define grcg_boxfill_8(left, top, right, bottom) \
|
|
grcg_byteboxfill_x( \
|
|
((left) / BYTE_DOTS), top, ((right) / BYTE_DOTS), bottom \
|
|
)
|
|
|
|
#define palette_entry_rgb_show(fn) \
|
|
palette_entry_rgb(fn); \
|
|
palette_show();
|
|
/// ------------------
|