X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=picodrive.git;a=blobdiff_plain;f=pico%2Fpico.h;h=527498ee2a358d25237fb867691400cc63f8562c;hp=fb067b8d1b9ed37e488a2d90bf60a2b10054bc2d;hb=e0bcb7a90d06b295b1ca989b6ad70412912cca5b;hpb=1cfc5cc4ce06642b9bc45ca3b9d32793718e9455 diff --git a/pico/pico.h b/pico/pico.h index fb067b8..527498e 100644 --- a/pico/pico.h +++ b/pico/pico.h @@ -1,35 +1,50 @@ - -// -------------------- Pico Library -------------------- - -// Pico Library - Header File - -// (c) Copyright 2004 Dave, All rights reserved. -// (c) Copyright 2006-2008 notaz, All rights reserved. -// Free for non-commercial use. - -// For commercial use, separate licencing terms must be obtained. +/* + * PicoDrive + * (c) Copyright Dave, 2004 + * (C) notaz, 2006-2010 + * + * This work is licensed under the terms of MAME license. + * See COPYING file in the top-level directory. + */ #ifndef PICO_H #define PICO_H -#include - -// port-specific compile-time settings -#include +#include // size_t #ifdef __cplusplus extern "C" { #endif +// message log +extern void lprintf(const char *fmt, ...); + // external funcs for Sega/Mega CD -extern int mp3_get_bitrate(FILE *f, int size); -extern void mp3_start_play(FILE *f, int pos); +extern int mp3_get_bitrate(void *f, int size); +extern void mp3_start_play(void *f, int pos); extern void mp3_update(int *buffer, int length, int stereo); // this function should write-back d-cache and invalidate i-cache // on a mem region [start_addr, end_addr) -// used by SVP dynarec -extern void cache_flush_d_inval_i(const void *start_addr, const void *end_addr); +// used by dynarecs +extern void cache_flush_d_inval_i(void *start_addr, void *end_addr); + +// attempt to alloc mem at specified address. +// alloc anywhere else if that fails (callers should handle that) +extern void *plat_mmap(unsigned long addr, size_t size, int need_exec, int is_fixed); +extern void *plat_mremap(void *ptr, size_t oldsize, size_t newsize); +extern void plat_munmap(void *ptr, size_t size); +extern int plat_mem_set_exec(void *ptr, size_t size); + +// this one should handle display mode changes +extern void emu_video_mode_change(int start_line, int line_count, int is_32cols); + +// this must switch to 16bpp mode +extern void emu_32x_startup(void); + +// optional 32X BIOS, should be left NULL if not used +// must be 256, 2048, 1024 bytes +extern void *p32x_bios_g, *p32x_bios_m, *p32x_bios_s; // Pico.c #define POPT_EN_FM (1<< 0) // 00 000x @@ -37,7 +52,7 @@ extern void cache_flush_d_inval_i(const void *start_addr, const void *end_addr); #define POPT_EN_Z80 (1<< 2) #define POPT_EN_STEREO (1<< 3) #define POPT_ALT_RENDERER (1<< 4) // 00 00x0 -#define POPT_6BTN_PAD (1<< 5) +// unused (1<< 5) // unused (1<< 6) #define POPT_ACC_SPRITES (1<< 7) #define POPT_DIS_32C_BORDER (1<< 8) // 00 0x00 @@ -45,20 +60,27 @@ extern void cache_flush_d_inval_i(const void *start_addr, const void *end_addr); #define POPT_EN_MCD_PCM (1<<10) #define POPT_EN_MCD_CDDA (1<<11) #define POPT_EN_MCD_GFX (1<<12) // 00 x000 -#define POPT_EN_MCD_PSYNC (1<<13) +// unused (1<<13) #define POPT_EN_SOFTSCALE (1<<14) #define POPT_EN_MCD_RAMCART (1<<15) #define POPT_DIS_VDP_FIFO (1<<16) // 0x 0000 -#define POPT_EN_SVP_DRC (1<<17) +#define POPT_EN_DRC (1<<17) #define POPT_DIS_SPRITE_LIM (1<<18) #define POPT_DIS_IDLE_DET (1<<19) +#define POPT_EN_32X (1<<20) +#define POPT_EN_PWM (1<<21) extern int PicoOpt; // bitfield + #define PAHW_MCD (1<<0) #define PAHW_32X (1<<1) #define PAHW_SVP (1<<2) #define PAHW_PICO (1<<3) +#define PAHW_SMS (1<<4) extern int PicoAHW; // Pico active hw -extern int PicoVer; + +#define PQUIRK_FORCE_6BTN (1<<0) +extern int PicoQuirks; + extern int PicoSkipFrame; // skip rendering frame, but still do sound (if enabled) and emulation stuff extern int PicoRegionOverride; // override the region detection 0: auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x148 means this detection order: EUR, USA, JAP @@ -67,21 +89,23 @@ void PicoInit(void); void PicoExit(void); void PicoPower(void); int PicoReset(void); +void PicoLoopPrepare(void); void PicoFrame(void); void PicoFrameDrawOnly(void); extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU -extern void (*PicoWriteSound)(int len); // called once per frame at the best time to send sound buffer (PsndOut) to hardware +extern void (*PicoWriteSound)(int bytes); // called once per frame at the best time to send sound buffer (PsndOut) to hardware extern void (*PicoMessage)(const char *msg); // callback to output text message from emu typedef enum { PI_ROM, PI_ISPAL, PI_IS40_CELL, PI_IS240_LINES } pint_t; typedef union { int vint; void *vptr; } pint_ret_t; void PicoGetInternal(pint_t which, pint_ret_t *ret); -// cd/Pico.c +struct PicoEState; + +// cd/mcd.c extern void (*PicoMCDopenTray)(void); -extern int (*PicoMCDcloseTray)(void); -extern int PicoCDBuffers; +extern void (*PicoMCDcloseTray)(void); -// Pico/Pico.c +// pico.c #define XPCM_BUFFER_SIZE (320+160) typedef struct { @@ -98,31 +122,16 @@ typedef struct } picohw_state; extern picohw_state PicoPicohw; -// Area.c -typedef size_t (arearw)(void *p, size_t _size, size_t _n, void *file); -typedef size_t (areaeof)(void *file); -typedef int (areaseek)(void *file, long offset, int whence); -typedef int (areaclose)(void *file); -// Save or load the state from PmovFile: -int PmovState(int PmovAction, void *PmovFile); // &1=for reading &2=for writing &4=volatile &8=non-volatile -extern arearw *areaRead; // external read and write function pointers for -extern arearw *areaWrite; // gzip save state ability -extern areaeof *areaEof; -extern areaseek *areaSeek; -extern areaclose *areaClose; +// area.c +int PicoState(const char *fname, int is_save); +int PicoStateLoadGfx(const char *fname); +void *PicoTmpStateSave(void); +void PicoTmpStateRestore(void *data); extern void (*PicoStateProgressCB)(const char *str); -// cd/Area.c -int PicoCdLoadStateGfx(void *file); - -// cd/buffering.c -void PicoCDBufferInit(void); -void PicoCDBufferFree(void); -void PicoCDBufferFlush(void); - -// cd/cd_sys.c -int Insert_CD(char *cdimg_name, int type); -void Stop_CD(void); // releases all resources taken when CD game was started. +// cd/cdd.c +int cdd_load(const char *filename, int type); +int cdd_unload(void); // Cart.c typedef enum @@ -137,38 +146,36 @@ typedef struct void *param; /* additional file related field */ unsigned int size; /* size */ pm_type type; + char ext[4]; } pm_file; pm_file *pm_open(const char *path); size_t pm_read(void *ptr, size_t bytes, pm_file *stream); int pm_seek(pm_file *stream, long offset, int whence); int pm_close(pm_file *fp); -int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize); -int PicoCartInsert(unsigned char *rom,unsigned int romsize); -void Byteswap(unsigned char *data,int len); +int PicoCartLoad(pm_file *f,unsigned char **prom,unsigned int *psize,int is_sms); +int PicoCartInsert(unsigned char *rom, unsigned int romsize, const char *carthw_cfg); void PicoCartUnload(void); extern void (*PicoCartLoadProgressCB)(int percent); -extern void (*PicoCDLoadProgressCB)(int percent); +extern void (*PicoCDLoadProgressCB)(const char *fname, int percent); +extern int PicoGameLoaded; // Draw.c -void PicoDrawSetColorFormat(int which); // 0=BGR444, 1=RGB555, 2=8bit(HighPal pal) -extern void *DrawLineDest; -#if OVERRIDE_HIGHCOL -extern unsigned char *HighCol; -#else -extern unsigned char HighCol[8+320+8]; -#endif -extern int (*PicoScanBegin)(unsigned int num); -extern int (*PicoScanEnd)(unsigned int num); +// for line-based renderer, set conversion +// from internal 8 bit representation in 'HighCol' to: +typedef enum +{ + PDF_NONE = 0, // no conversion + PDF_RGB555, // RGB/BGR output, depends on compile options + PDF_8BIT, // 8-bit out (handles shadow/hilight mode, sonic water) +} pdso_t; +void PicoDrawSetOutFormat(pdso_t which, int use_32x_line_mode); +void PicoDrawSetOutBuf(void *dest, int increment); +void PicoDrawSetCallbacks(int (*begin)(unsigned int num), int (*end)(unsigned int num)); // utility #ifdef _ASM_DRAW_C void vidConvCpyRGB565(void *to, void *from, int pixels); #endif -void PicoDoHighPal555(int sh); -extern int PicoDrawMask; -#define PDRAW_LAYERB_ON (1<<2) -#define PDRAW_LAYERA_ON (1<<3) -#define PDRAW_SPRITES_LOW_ON (1<<4) -#define PDRAW_SPRITES_HI_ON (1<<7) +void PicoDoHighPal555(int sh, int line, struct PicoEState *est); // internals #define PDRAW_SPRITES_MOVED (1<<0) // (asm) #define PDRAW_WND_DIFF_PRIO (1<<1) // not all window tiles use same priority @@ -178,27 +185,75 @@ extern int PicoDrawMask; #define PDRAW_SONIC_MODE (1<<5) // mid-frame palette changes for 8bit renderer #define PDRAW_PLANE_HI_PRIO (1<<6) // have layer with all hi prio tiles (mk3) #define PDRAW_SHHI_DONE (1<<7) // layer sh/hi already processed -extern int rendstatus; -extern unsigned short HighPal[0x100]; +#define PDRAW_32_COLS (1<<8) // 32 column mode +extern int rendstatus_old; +extern int rendlines; -// Draw2.c +// draw.c +void PicoDrawUpdateHighPal(void); +void PicoDrawSetInternalBuf(void *dest, int line_increment); + +// draw2.c // stuff below is optional -extern unsigned char *PicoDraw2FB; // buffer for fast renderer in format (8+320)x(8+224+8) (eights for borders) extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), converted to native device color (works only with 16bit for now) extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use +// pico.c (32x) +#ifndef NO_32X + +void Pico32xSetClocks(int msh2_hz, int ssh2_hz); + +#else + +#define Pico32xSetClocks(msh2_khz, ssh2_khz) + +#endif + +// normally 68k clock (7670442) * 3, in reality but much lower +// because of high memory latencies +#define PICO_MSH2_HZ ((int)(7670442.0 * 2.4)) +#define PICO_SSH2_HZ ((int)(7670442.0 * 2.4)) + // sound.c extern int PsndRate,PsndLen; extern short *PsndOut; extern void (*PsndMix_32_to_16l)(short *dest, int *src, int count); void PsndRerate(int preserve_state); -// Utils.c -extern int PicuAnd; -int PicuQuick(unsigned short *dest,unsigned short *src); -int PicuShrink(unsigned short *dest,int destLen,unsigned short *src,int srcLen); -int PicuShrinkReverse(unsigned short *dest,int destLen,unsigned short *src,int srcLen); -int PicuMerge(unsigned short *dest,int destLen,unsigned short *src,int srcLen); +// media.c +enum media_type_e { + PM_BAD_DETECT = -1, + PM_ERROR = -2, + PM_BAD_CD = -3, + PM_BAD_CD_NO_BIOS = -4, + PM_MD_CART = 1, /* also 32x */ + PM_MARK3, + PM_CD, +}; + +enum cd_img_type +{ + CIT_NOT_CD = 0, + CIT_ISO, + CIT_BIN, + CIT_CUE +}; + +enum media_type_e PicoLoadMedia(const char *filename, + const char *carthw_cfg_fname, + const char *(*get_bios_filename)(int *region, const char *cd_fname), + void (*do_region_override)(const char *media_filename)); +int PicoCdCheck(const char *fname_in, int *pregion); + +extern unsigned char media_id_header[0x100]; + +// memory.c +enum input_device { + PICO_INPUT_NOTHING, + PICO_INPUT_PAD_3BTN, + PICO_INPUT_PAD_6BTN, +}; +void PicoSetInputDevice(int port, enum input_device device); #ifdef __cplusplus } // End of extern "C"