#define OSC_NTSC 53693100\r
#define OSC_PAL 53203424\r
\r
+#define PVD_KILL_A (1 << 0)\r
+#define PVD_KILL_B (1 << 1)\r
+#define PVD_KILL_S_LO (1 << 2)\r
+#define PVD_KILL_S_HI (1 << 3)\r
+#define PVD_KILL_32X (1 << 4)\r
+#define PVD_FORCE_A (1 << 5)\r
+#define PVD_FORCE_B (1 << 6)\r
+#define PVD_FORCE_S (1 << 7)\r
+\r
struct PicoVideo\r
{\r
unsigned char reg[0x20];\r
unsigned char pending_ints; // pending interrupts: ??VH????\r
signed char lwrite_cnt; // VDP write count during active display line\r
unsigned short v_counter; // V-counter\r
- unsigned char pad[0x10];\r
+ unsigned short debug; // raw debug register\r
+ unsigned char debug_p; // ... parsed: PVD_*\r
+ unsigned char addr_u;\r
+ unsigned char pad[0x0c];\r
};\r
\r
struct PicoMisc\r
unsigned char pad[0x4e];\r
};\r
\r
+// emu state and data for the asm code\r
+struct PicoEState\r
+{\r
+ int DrawScanline;\r
+ int rendstatus;\r
+ void *DrawLineDest; // draw destination\r
+ unsigned char *HighCol;\r
+ int *HighPreSpr;\r
+ void *Pico_video;\r
+ void *Pico_vram;\r
+ int *PicoOpt;\r
+ unsigned char *Draw2FB;\r
+ unsigned short HighPal[0x100];\r
+};\r
+\r
// some assembly stuff depend on these, do not touch!\r
struct Pico\r
{\r
struct PicoMisc m;\r
struct PicoVideo video;\r
struct PicoMS ms;\r
+ struct PicoEState est;\r
};\r
\r
// sram\r
};\r
\r
// MCD\r
-#include "cd/cd_sys.h"\r
-#include "cd/LC89510.h"\r
-\r
#define PCM_MIXBUF_LEN ((12500000 / 384) / 50 + 1)\r
\r
struct mcd_pcm\r
\r
struct mcd_misc\r
{\r
- unsigned short hint_vector;\r
- unsigned char busreq; // not s68k_regs[1]\r
- unsigned char s68k_pend_ints;\r
- unsigned int state_flags; // 04\r
- unsigned int stopwatch_base_c;\r
- unsigned short m68k_poll_a;\r
- unsigned short m68k_poll_cnt;\r
- unsigned short s68k_poll_a;\r
- unsigned short s68k_poll_cnt;\r
- unsigned int s68k_poll_clk;\r
- unsigned char bcram_reg; // 18: battery-backed RAM cart register\r
- unsigned char dmna_ret_2m;\r
- unsigned short pad3;\r
- int pad4[9];\r
+ unsigned short hint_vector;\r
+ unsigned char busreq; // not s68k_regs[1]\r
+ unsigned char s68k_pend_ints;\r
+ unsigned int state_flags; // 04\r
+ unsigned int stopwatch_base_c;\r
+ unsigned short m68k_poll_a;\r
+ unsigned short m68k_poll_cnt;\r
+ unsigned short s68k_poll_a;\r
+ unsigned short s68k_poll_cnt;\r
+ unsigned int s68k_poll_clk;\r
+ unsigned char bcram_reg; // 18: battery-backed RAM cart register\r
+ unsigned char dmna_ret_2m;\r
+ unsigned char need_sync;\r
+ unsigned char pad3;\r
+ int pad4[9];\r
};\r
\r
typedef struct\r
{\r
- unsigned char bios[0x20000]; // 000000: 128K\r
- union { // 020000: 512K\r
- unsigned char prg_ram[0x80000];\r
- unsigned char prg_ram_b[4][0x20000];\r
- };\r
- union { // 0a0000: 256K\r
- struct {\r
- unsigned char word_ram2M[0x40000];\r
- unsigned char unused0[0x20000];\r
- };\r
- struct {\r
- unsigned char unused1[0x20000];\r
- unsigned char word_ram1M[2][0x20000];\r
- };\r
- };\r
- union { // 100000: 64K\r
- unsigned char pcm_ram[0x10000];\r
- unsigned char pcm_ram_b[0x10][0x1000];\r
- };\r
- // FIXME: should be short\r
- unsigned char s68k_regs[0x200]; // 110000: GA, not CPU regs\r
- unsigned char bram[0x2000]; // 110200: 8K\r
- struct mcd_misc m; // 112200: misc\r
- struct mcd_pcm pcm; // 112240:\r
- _scd_toc TOC; // not to be saved\r
- CDD cdd;\r
- CDC cdc;\r
- _scd scd;\r
- int pcm_mixbuf[PCM_MIXBUF_LEN * 2];\r
- int pcm_mixpos;\r
- char pcm_mixbuf_dirty;\r
- char pcm_regs_dirty;\r
+ unsigned char bios[0x20000]; // 000000: 128K\r
+ union { // 020000: 512K\r
+ unsigned char prg_ram[0x80000];\r
+ unsigned char prg_ram_b[4][0x20000];\r
+ };\r
+ union { // 0a0000: 256K\r
+ struct {\r
+ unsigned char word_ram2M[0x40000];\r
+ unsigned char unused0[0x20000];\r
+ };\r
+ struct {\r
+ unsigned char unused1[0x20000];\r
+ unsigned char word_ram1M[2][0x20000];\r
+ };\r
+ };\r
+ union { // 100000: 64K\r
+ unsigned char pcm_ram[0x10000];\r
+ unsigned char pcm_ram_b[0x10][0x1000];\r
+ };\r
+ unsigned char s68k_regs[0x200]; // 110000: GA, not CPU regs\r
+ unsigned char bram[0x2000]; // 110200: 8K\r
+ struct mcd_misc m; // 112200: misc\r
+ struct mcd_pcm pcm; // 112240:\r
+ void *cdda_stream;\r
+ int cdda_type;\r
+ int pcm_mixbuf[PCM_MIXBUF_LEN * 2];\r
+ int pcm_mixpos;\r
+ char pcm_mixbuf_dirty;\r
+ char pcm_regs_dirty;\r
} mcd_state;\r
\r
// XXX: this will need to be reworked for cart+cd support.\r
int CM_compareRun(int cyc, int is_sub);\r
\r
// draw.c\r
+void PicoDrawInit(void);\r
PICO_INTERNAL void PicoFrameStart(void);\r
void PicoDrawSync(int to, int blank_last_line);\r
-void BackFill(int reg7, int sh);\r
-void FinalizeLine555(int sh, int line);\r
+void BackFill(int reg7, int sh, struct PicoEState *est);\r
+void FinalizeLine555(int sh, int line, struct PicoEState *est);\r
extern int (*PicoScanBegin)(unsigned int num);\r
extern int (*PicoScanEnd)(unsigned int num);\r
-extern int DrawScanline;\r
#define MAX_LINE_SPRITES 29\r
extern unsigned char HighLnSpr[240][3 + MAX_LINE_SPRITES];\r
extern void *DrawLineDestBase;\r
extern int DrawLineDestIncrement;\r
\r
// draw2.c\r
+void PicoDraw2Init(void);\r
PICO_INTERNAL void PicoFrameFull();\r
\r
// mode4.c\r
// pico/memory.c\r
PICO_INTERNAL void PicoMemSetupPico(void);\r
\r
+// cd/cdc.c\r
+void cdc_init(void);\r
+void cdc_reset(void);\r
+int cdc_context_save(unsigned char *state);\r
+int cdc_context_load(unsigned char *state);\r
+int cdc_context_load_old(unsigned char *state);\r
+void cdc_dma_update(void);\r
+int cdc_decoder_update(unsigned char header[4]);\r
+void cdc_reg_w(unsigned char data);\r
+unsigned char cdc_reg_r(void);\r
+unsigned short cdc_host_r(void);\r
+\r
+// cd/cdd.c\r
+void cdd_reset(void);\r
+int cdd_context_save(unsigned char *state);\r
+int cdd_context_load(unsigned char *state);\r
+int cdd_context_load_old(unsigned char *state);\r
+void cdd_read_data(unsigned char *dst);\r
+void cdd_read_audio(unsigned int samples);\r
+void cdd_update(void);\r
+void cdd_process(void);\r
+\r
+// cd/cd_image.c\r
+int load_cd_image(const char *cd_img_name, int *type);\r
+\r
// cd/gfx.c\r
void gfx_init(void);\r
void gfx_start(unsigned int base);\r
PICO_INTERNAL void SekInitS68k(void);\r
PICO_INTERNAL int SekResetS68k(void);\r
PICO_INTERNAL int SekInterruptS68k(int irq);\r
+void SekInterruptClearS68k(int irq);\r
\r
// sound/sound.c\r
-PICO_INTERNAL void cdda_start_play();\r
extern short cdda_out_buffer[2*1152];\r
extern int PsndLen_exc_cnt;\r
extern int PsndLen_exc_add;\r
extern int timer_a_next_oflow, timer_a_step; // in z80 cycles\r
extern int timer_b_next_oflow, timer_b_step;\r
\r
+void cdda_start_play(int lba_base, int lba_offset, int lb_len);\r
+\r
void ym2612_sync_timers(int z80_cycles, int mode_old, int mode_new);\r
void ym2612_pack_state(void);\r
void ym2612_unpack_state(void);\r
PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d);\r
PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a);\r
PICO_INTERNAL_ASM unsigned int PicoVideoRead8(unsigned int a);\r
-extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **srcp, unsigned short **limitp);\r
+extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask);\r
\r
// misc.c\r
PICO_INTERNAL_ASM void memcpy16(unsigned short *dest, unsigned short *src, int count);\r
PICO_INTERNAL_ASM void memcpy16bswap(unsigned short *dest, void *src, int count);\r
-PICO_INTERNAL_ASM void memcpy32(int *dest, int *src, int count); // 32bit word count\r
-PICO_INTERNAL_ASM void memset32(int *dest, int c, int count);\r
+PICO_INTERNAL_ASM void memcpy32(void *dest, const void *src, int count); // 32bit word count\r
+PICO_INTERNAL_ASM void memset32(void *dest, int c, int count);\r
\r
// eeprom.c\r
void EEPROM_write8(unsigned int a, unsigned int d);\r
PICO_INTERNAL_ASM void wram_2M_to_1M(unsigned char *m);\r
PICO_INTERNAL_ASM void wram_1M_to_2M(unsigned char *m);\r
\r
-// cd/buffering.c\r
-PICO_INTERNAL void PicoCDBufferRead(void *dest, int lba);\r
-\r
// sound/sound.c\r
PICO_INTERNAL void PsndReset(void);\r
PICO_INTERNAL void PsndDoDAC(int line_to);\r
\r
// 32x/draw.c\r
void PicoDrawSetOutFormat32x(pdso_t which, int use_32x_line_mode);\r
-void FinalizeLine32xRGB555(int sh, int line);\r
+void FinalizeLine32xRGB555(int sh, int line, struct PicoEState *est);\r
void PicoDraw32xLayer(int offs, int lines, int mdbg);\r
void PicoDraw32xLayerMdOnly(int offs, int lines);\r
extern int (*PicoScan32xBegin)(unsigned int num);\r
notaz.gp2x.de / picodrive.git / blobdiff