X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fpico_int.h;h=76c4812eabeb75f0f5ee288c5ea2c4040534aeb5;hb=274fcc35aa20e9777a8e09630a94088757384329;hp=41dc59dc8358842791c67d8f56c10307df3f4f9b;hpb=021e47b37557361ec880c92620c7cc1292d2f2c6;p=picodrive.git diff --git a/pico/pico_int.h b/pico/pico_int.h index 41dc59d..76c4812 100644 --- a/pico/pico_int.h +++ b/pico/pico_int.h @@ -374,9 +374,6 @@ struct PicoSRAM }; // MCD -#include "cd/cd_sys.h" -#include "cd/LC89510.h" - #define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1) struct mcd_pcm @@ -417,38 +414,43 @@ struct mcd_misc 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]; + }; + union { + unsigned char s68k_regs[0x200]; // 110000: GA, not CPU regs + union { + struct { + unsigned char h; + unsigned char l; + } byte; + } regs[0x200/2]; + }; + 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. @@ -610,6 +612,31 @@ 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); @@ -664,6 +691,7 @@ 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 +733,17 @@ 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); @@ -766,9 +796,6 @@ 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 PsndDoDAC(int line_to);