X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fpico_int.h;h=f356d40d6c5ee5327888686d4619f627f571399b;hb=12f23dac6f91eb707f985ef00a5d48e9e5ef8838;hp=41dc59dc8358842791c67d8f56c10307df3f4f9b;hpb=021e47b37557361ec880c92620c7cc1292d2f2c6;p=picodrive.git diff --git a/pico/pico_int.h b/pico/pico_int.h index 41dc59d..f356d40 100644 --- a/pico/pico_int.h +++ b/pico/pico_int.h @@ -13,6 +13,7 @@ #include #include #include +#include "pico_port.h" #include "pico.h" #include "carthw/carthw.h" @@ -80,7 +81,7 @@ extern M68K_CONTEXT PicoCpuFM68k, PicoCpuFS68k; } #define SekIsStoppedM68k() (PicoCpuFM68k.execinfo&FM68K_HALTED) #define SekIsStoppedS68k() (PicoCpuFS68k.execinfo&FM68K_HALTED) -#define SekShouldInterrupt() fm68k_would_interrupt() +#define SekShouldInterrupt() fm68k_would_interrupt(&PicoCpuFM68k) #define SekNotPolling PicoCpuFM68k.not_polling #define SekNotPollingS68k PicoCpuFS68k.not_polling @@ -117,37 +118,25 @@ extern m68ki_cpu_core PicoCpuMM68k, PicoCpuMS68k; #define SekNotPolling PicoCpuMM68k.not_polling #define SekNotPollingS68k PicoCpuMS68k.not_polling -#define SekInterrupt(irq) { \ - void *oldcontext = m68ki_cpu_p; \ - m68k_set_context(&PicoCpuMM68k); \ - m68k_set_irq(irq); \ - m68k_set_context(oldcontext); \ -} -#define SekIrqLevel (PicoCpuMM68k.int_level >> 8) +// avoid m68k_set_irq() for delaying to work +#define SekInterrupt(irq) PicoCpuMM68k.int_level = (irq) << 8 +#define SekIrqLevel (PicoCpuMM68k.int_level >> 8) #endif #endif // EMU_M68K -// while running, cnt represents target of current timeslice -// while not in SekRun(), it's actual cycles done -// (but always use SekCyclesDone() if you need current position) -// cnt may change if timeslice is ended prematurely or extended, -// so we use SekCycleAim for the actual target -extern unsigned int SekCycleCnt; -extern unsigned int SekCycleAim; - // number of cycles done (can be checked anywhere) -#define SekCyclesDone() (SekCycleCnt - SekCyclesLeft) +#define SekCyclesDone() (Pico.t.m68c_cnt - SekCyclesLeft) // burn cycles while not in SekRun() and while in -#define SekCyclesBurn(c) SekCycleCnt += c +#define SekCyclesBurn(c) Pico.t.m68c_cnt += c #define SekCyclesBurnRun(c) { \ SekCyclesLeft -= c; \ } // note: sometimes may extend timeslice to delay an irq #define SekEndRun(after) { \ - SekCycleCnt -= SekCyclesLeft - (after); \ + Pico.t.m68c_cnt -= SekCyclesLeft - (after); \ SekCyclesLeft = after; \ } @@ -185,6 +174,7 @@ extern struct DrZ80 drZ80; #define z80_nmi() drZ80.Z80IF |= 8 #define z80_cyclesLeft drZ80.cycles +#define z80_subCLeft(c) drZ80.cycles -= c #define z80_pc() (drZ80.Z80PC - drZ80.Z80PC_BASE) #elif defined(_USE_CZ80) @@ -196,6 +186,7 @@ extern struct DrZ80 drZ80; #define z80_nmi() Cz80_Set_IRQ(&CZ80, IRQ_LINE_NMI, 0) #define z80_cyclesLeft (CZ80.ICount - CZ80.ExtraCycles) +#define z80_subCLeft(c) CZ80.ICount -= c #define z80_pc() Cz80_Get_Reg(&CZ80, CZ80_PC) #else @@ -209,20 +200,13 @@ extern struct DrZ80 drZ80; #define Z80_STATE_SIZE 0x60 -extern unsigned int last_z80_sync; -extern int z80_cycle_cnt; /* 'done' z80 cycles before z80_run() */ -extern int z80_cycle_aim; -extern int z80_scanline; -extern int z80_scanline_cycles; /* cycles done until z80_scanline */ - #define z80_resetCycles() \ - last_z80_sync = SekCyclesDone(); \ - z80_cycle_cnt = z80_cycle_aim = z80_scanline = z80_scanline_cycles = 0; + Pico.t.z80c_cnt = Pico.t.z80c_aim = Pico.t.z80_scanline = 0 #define z80_cyclesDone() \ - (z80_cycle_aim - z80_cyclesLeft) + (Pico.t.z80c_aim - z80_cyclesLeft) -#define cycles_68k_to_z80(x) ((x)*957 >> 11) +#define cycles_68k_to_z80(x) ((x) * 3823 >> 13) // ----------------------- SH2 CPU ----------------------- @@ -281,6 +265,31 @@ extern SH2 sh2s[2]; #define OSC_NTSC 53693100 #define OSC_PAL 53203424 +// PicoVideo.debug_p +#define PVD_KILL_A (1 << 0) +#define PVD_KILL_B (1 << 1) +#define PVD_KILL_S_LO (1 << 2) +#define PVD_KILL_S_HI (1 << 3) +#define PVD_KILL_32X (1 << 4) +#define PVD_FORCE_A (1 << 5) +#define PVD_FORCE_B (1 << 6) +#define PVD_FORCE_S (1 << 7) + +// PicoVideo.status, not part of real SR +#define SR_PAL (1 << 0) +#define SR_DMA (1 << 1) +#define SR_HB (1 << 2) +#define SR_VB (1 << 3) +#define SR_ODD (1 << 4) +#define SR_C (1 << 5) +#define SR_SOVR (1 << 6) +#define SR_F (1 << 7) +#define SR_FULL (1 << 8) +#define SR_EMPT (1 << 9) +// not part of real SR +#define PVS_ACTIVE (1 << 16) +#define PVS_VB2 (1 << 17) // ignores forced blanking + struct PicoVideo { unsigned char reg[0x20]; @@ -288,11 +297,15 @@ struct PicoVideo unsigned char pending; // 1 if waiting for second half of 32-bit command unsigned char type; // Command type (v/c/vsram read/write) unsigned short addr; // Read/Write address - int status; // Status bits + unsigned int status; // Status bits (SR) and extra flags unsigned char pending_ints; // pending interrupts: ??VH???? signed char lwrite_cnt; // VDP write count during active display line unsigned short v_counter; // V-counter - unsigned char pad[0x10]; + unsigned short debug; // raw debug register + unsigned char debug_p; // ... parsed: PVD_* + unsigned char addr_u; // bit16 of .addr + unsigned char hint_cnt; + unsigned char pad[0x0b]; }; struct PicoMisc @@ -328,8 +341,23 @@ struct PicoMS unsigned char pad[0x4e]; }; -// some assembly stuff depend on these, do not touch! -struct Pico +// emu state and data for the asm code +struct PicoEState +{ + int DrawScanline; + int rendstatus; + void *DrawLineDest; // draw destination + unsigned char *HighCol; + int *HighPreSpr; + struct Pico *Pico; + void *PicoMem_vram; + void *PicoMem_cram; + int *PicoOpt; + unsigned char *Draw2FB; + unsigned short HighPal[0x100]; +}; + +struct PicoMem { unsigned char ram[0x10000]; // 0x00000 scratch ram union { // vram is byteswapped for easier reads when drawing @@ -338,16 +366,9 @@ struct Pico }; unsigned char zram[0x2000]; // 0x20000 Z80 ram unsigned char ioports[0x10]; // XXX: fix asm and mv - unsigned char pad[0xf0]; // unused - unsigned short cram[0x40]; // 0x22100 - unsigned short vsram[0x40]; // 0x22180 - - unsigned char *rom; // 0x22200 - unsigned int romsize; // 0x22204 (on 32bits) - - struct PicoMisc m; - struct PicoVideo video; - struct PicoMS ms; + unsigned short cram[0x40]; // 0x22010 + unsigned char pad[0x70]; // 0x22050 DrawStripVSRam reads 0 from here + unsigned short vsram[0x40]; // 0x22100 }; // sram @@ -357,7 +378,7 @@ struct Pico #define SRF_ENABLED (1 << 0) #define SRF_EEPROM (1 << 1) -struct PicoSRAM +struct PicoCartSave { unsigned char *data; // actual data unsigned int start; // start address in 68k address space @@ -373,10 +394,39 @@ struct PicoSRAM unsigned int size; }; -// MCD -#include "cd/cd_sys.h" -#include "cd/LC89510.h" +struct PicoTiming +{ + // while running, cnt represents target of current timeslice + // while not in SekRun(), it's actual cycles done + // (but always use SekCyclesDone() if you need current position) + // _cnt may change if timeslice is ended prematurely or extended, + // so we use _aim for the actual target + unsigned int m68c_cnt; + unsigned int m68c_aim; + unsigned int m68c_frame_start; // m68k cycles + unsigned int m68c_line_start; + + unsigned int z80c_cnt; // z80 cycles done (this frame) + unsigned int z80c_aim; + int z80_scanline; +}; + +// run tools/mkoffsets pico/pico_int_o32.h if you change these +// careful with savestate compat +struct Pico +{ + struct PicoVideo video; + struct PicoMisc m; + struct PicoTiming t; + struct PicoCartSave sv; + struct PicoEState est; + struct PicoMS ms; + unsigned char *rom; + unsigned int romsize; +}; + +// MCD #define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1) struct mcd_pcm @@ -399,56 +449,54 @@ struct mcd_pcm struct mcd_misc { - unsigned short hint_vector; - unsigned char busreq; // not s68k_regs[1] - unsigned char s68k_pend_ints; - unsigned int state_flags; // 04 - unsigned int stopwatch_base_c; - unsigned short m68k_poll_a; - unsigned short m68k_poll_cnt; - unsigned short s68k_poll_a; - unsigned short s68k_poll_cnt; - unsigned int s68k_poll_clk; - unsigned char bcram_reg; // 18: battery-backed RAM cart register - unsigned char dmna_ret_2m; - unsigned short pad3; - int pad4[9]; + unsigned short hint_vector; + unsigned char busreq; // not s68k_regs[1] + unsigned char s68k_pend_ints; + unsigned int state_flags; // 04 + unsigned int stopwatch_base_c; + unsigned short m68k_poll_a; + unsigned short m68k_poll_cnt; + unsigned short s68k_poll_a; + unsigned short s68k_poll_cnt; + unsigned int s68k_poll_clk; + unsigned char bcram_reg; // 18: battery-backed RAM cart register + unsigned char dmna_ret_2m; + unsigned char need_sync; + unsigned char pad3; + int pad4[9]; }; typedef struct { - unsigned char bios[0x20000]; // 000000: 128K - union { // 020000: 512K - unsigned char prg_ram[0x80000]; - unsigned char prg_ram_b[4][0x20000]; - }; - union { // 0a0000: 256K - struct { - unsigned char word_ram2M[0x40000]; - unsigned char unused0[0x20000]; - }; - struct { - unsigned char unused1[0x20000]; - unsigned char word_ram1M[2][0x20000]; - }; - }; - union { // 100000: 64K - unsigned char pcm_ram[0x10000]; - unsigned char pcm_ram_b[0x10][0x1000]; - }; - // FIXME: should be short - unsigned char s68k_regs[0x200]; // 110000: GA, not CPU regs - unsigned char bram[0x2000]; // 110200: 8K - struct mcd_misc m; // 112200: misc - struct mcd_pcm pcm; // 112240: - _scd_toc TOC; // not to be saved - CDD cdd; - CDC cdc; - _scd scd; - int pcm_mixbuf[PCM_MIXBUF_LEN * 2]; - int pcm_mixpos; - char pcm_mixbuf_dirty; - char pcm_regs_dirty; + unsigned char bios[0x20000]; // 000000: 128K + union { // 020000: 512K + unsigned char prg_ram[0x80000]; + unsigned char prg_ram_b[4][0x20000]; + }; + union { // 0a0000: 256K + struct { + unsigned char word_ram2M[0x40000]; + unsigned char unused0[0x20000]; + }; + struct { + unsigned char unused1[0x20000]; + unsigned char word_ram1M[2][0x20000]; + }; + }; + union { // 100000: 64K + unsigned char pcm_ram[0x10000]; + unsigned char pcm_ram_b[0x10][0x1000]; + }; + unsigned char s68k_regs[0x200]; // 110000: GA, not CPU regs + unsigned char bram[0x2000]; // 110200: 8K + struct mcd_misc m; // 112200: misc + struct mcd_pcm pcm; // 112240: + void *cdda_stream; + int cdda_type; + int pcm_mixbuf[PCM_MIXBUF_LEN * 2]; + int pcm_mixpos; + char pcm_mixbuf_dirty; + char pcm_regs_dirty; } mcd_state; // XXX: this will need to be reworked for cart+cd support. @@ -579,19 +627,20 @@ extern void (*PicoCartUnloadHook)(void); int CM_compareRun(int cyc, int is_sub); // draw.c +void PicoDrawInit(void); PICO_INTERNAL void PicoFrameStart(void); void PicoDrawSync(int to, int blank_last_line); -void BackFill(int reg7, int sh); -void FinalizeLine555(int sh, int line); +void BackFill(int reg7, int sh, struct PicoEState *est); +void FinalizeLine555(int sh, int line, struct PicoEState *est); extern int (*PicoScanBegin)(unsigned int num); extern int (*PicoScanEnd)(unsigned int num); -extern int DrawScanline; #define MAX_LINE_SPRITES 29 extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES]; extern void *DrawLineDestBase; extern int DrawLineDestIncrement; // draw2.c +void PicoDraw2Init(void); PICO_INTERNAL void PicoFrameFull(); // mode4.c @@ -610,6 +659,31 @@ void PicoWrite16_io(unsigned int a, unsigned int d); // pico/memory.c PICO_INTERNAL void PicoMemSetupPico(void); +// cd/cdc.c +void cdc_init(void); +void cdc_reset(void); +int cdc_context_save(unsigned char *state); +int cdc_context_load(unsigned char *state); +int cdc_context_load_old(unsigned char *state); +void cdc_dma_update(void); +int cdc_decoder_update(unsigned char header[4]); +void cdc_reg_w(unsigned char data); +unsigned char cdc_reg_r(void); +unsigned short cdc_host_r(void); + +// cd/cdd.c +void cdd_reset(void); +int cdd_context_save(unsigned char *state); +int cdd_context_load(unsigned char *state); +int cdd_context_load_old(unsigned char *state); +void cdd_read_data(unsigned char *dst); +void cdd_read_audio(unsigned int samples); +void cdd_update(void); +void cdd_process(void); + +// cd/cd_image.c +int load_cd_image(const char *cd_img_name, int *type); + // cd/gfx.c void gfx_init(void); void gfx_start(unsigned int base); @@ -630,10 +704,9 @@ void pcd_state_loaded_mem(void); // pico.c extern struct Pico Pico; -extern struct PicoSRAM SRam; +extern struct PicoMem PicoMem; extern int PicoPadInt[2]; extern int emustatus; -extern int scanlines_total; extern void (*PicoResetHook)(void); extern void (*PicoLineHook)(void); PICO_INTERNAL int CheckDMA(void); @@ -664,6 +737,7 @@ enum pcd_event { extern unsigned int pcd_event_times[PCD_EVENT_COUNT]; void pcd_event_schedule(unsigned int now, enum pcd_event event, int after); void pcd_event_schedule_s68k(enum pcd_event event, int after); +void pcd_prepare_frame(void); unsigned int pcd_cycles_m68k_to_s68k(unsigned int c); int pcd_sync_s68k(unsigned int m68k_target, int m68k_poll_sync); void pcd_run_cpus(int m68k_cycles); @@ -705,15 +779,17 @@ void SekTrace(int is_s68k); PICO_INTERNAL void SekInitS68k(void); PICO_INTERNAL int SekResetS68k(void); PICO_INTERNAL int SekInterruptS68k(int irq); +void SekInterruptClearS68k(int irq); // sound/sound.c -PICO_INTERNAL void cdda_start_play(); extern short cdda_out_buffer[2*1152]; extern int PsndLen_exc_cnt; extern int PsndLen_exc_add; extern int timer_a_next_oflow, timer_a_step; // in z80 cycles extern int timer_b_next_oflow, timer_b_step; +void cdda_start_play(int lba_base, int lba_offset, int lb_len); + void ym2612_sync_timers(int z80_cycles, int mode_old, int mode_new); void ym2612_pack_state(void); void ym2612_unpack_state(void); @@ -738,17 +814,19 @@ void ym2612_unpack_state(void); // videoport.c -extern int line_base_cycles; PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d); PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a); -PICO_INTERNAL_ASM unsigned int PicoVideoRead8(unsigned int a); -extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **srcp, unsigned short **limitp); +unsigned char PicoVideoRead8DataH(void); +unsigned char PicoVideoRead8DataL(void); +unsigned char PicoVideoRead8CtlH(void); +unsigned char PicoVideoRead8CtlL(void); +unsigned char PicoVideoRead8HV_H(void); +unsigned char PicoVideoRead8HV_L(void); +extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask); // misc.c -PICO_INTERNAL_ASM void memcpy16(unsigned short *dest, unsigned short *src, int count); PICO_INTERNAL_ASM void memcpy16bswap(unsigned short *dest, void *src, int count); -PICO_INTERNAL_ASM void memcpy32(int *dest, int *src, int count); // 32bit word count -PICO_INTERNAL_ASM void memset32(int *dest, int c, int count); +PICO_INTERNAL_ASM void memset32(void *dest, int c, int count); // eeprom.c void EEPROM_write8(unsigned int a, unsigned int d); @@ -766,16 +844,15 @@ PICO_INTERNAL void z80_exit(void); PICO_INTERNAL_ASM void wram_2M_to_1M(unsigned char *m); PICO_INTERNAL_ASM void wram_1M_to_2M(unsigned char *m); -// cd/buffering.c -PICO_INTERNAL void PicoCDBufferRead(void *dest, int lba); - // sound/sound.c PICO_INTERNAL void PsndReset(void); +PICO_INTERNAL void PsndStartFrame(void); PICO_INTERNAL void PsndDoDAC(int line_to); +PICO_INTERNAL void PsndDoPSG(int line_to); PICO_INTERNAL void PsndClear(void); PICO_INTERNAL void PsndGetSamples(int y); PICO_INTERNAL void PsndGetSamplesMS(void); -extern int PsndDacLine; +extern int PsndDacLine, PsndPsgLine; // sms.c #ifndef NO_SMS @@ -823,7 +900,7 @@ void p32x_event_schedule_sh2(SH2 *sh2, enum p32x_event event, int after); void p32x_schedule_hint(SH2 *sh2, int m68k_cycles); // 32x/memory.c -struct Pico32xMem *Pico32xMem; +extern struct Pico32xMem *Pico32xMem; unsigned int PicoRead8_32x(unsigned int a); unsigned int PicoRead16_32x(unsigned int a); void PicoWrite8_32x(unsigned int a, unsigned int d); @@ -836,7 +913,7 @@ void p32x_sh2_poll_event(SH2 *sh2, unsigned int flags, unsigned int m68k_cycles) // 32x/draw.c void PicoDrawSetOutFormat32x(pdso_t which, int use_32x_line_mode); -void FinalizeLine32xRGB555(int sh, int line); +void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est); void PicoDraw32xLayer(int offs, int lines, int mdbg); void PicoDraw32xLayerMdOnly(int offs, int lines); extern int (*PicoScan32xBegin)(unsigned int num); @@ -994,28 +1071,10 @@ void pevt_dump(void); #define pevt_dump() #endif -// misc -#ifdef _MSC_VER -#define cdprintf -#else -#define cdprintf(x...) -#endif - -#if defined(__GNUC__) && defined(__i386__) -#define REGPARM(x) __attribute__((regparm(x))) -#else -#define REGPARM(x) -#endif - -#ifdef __GNUC__ -#define NOINLINE __attribute__((noinline)) -#else -#define NOINLINE -#endif - #ifdef __cplusplus } // End of extern "C" #endif #endif // PICO_INTERNAL_INCLUDED +// vim:shiftwidth=2:ts=2:expandtab