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- /*
- * PicoDrive - Internal Header File
- * (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_INTERNAL_INCLUDED
- #define PICO_INTERNAL_INCLUDED
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "pico.h"
- #include "carthw/carthw.h"
- //
- #define USE_POLL_DETECT
- #ifndef PICO_INTERNAL
- #define PICO_INTERNAL
- #endif
- #ifndef PICO_INTERNAL_ASM
- #define PICO_INTERNAL_ASM
- #endif
- // to select core, define EMU_C68K, EMU_M68K or EMU_F68K in your makefile or project
- #ifdef __cplusplus
- extern "C" {
- #endif
- // ----------------------- 68000 CPU -----------------------
- #ifdef EMU_C68K
- #include "../cpu/cyclone/Cyclone.h"
- extern struct Cyclone PicoCpuCM68k, PicoCpuCS68k;
- #define SekCyclesLeftNoMCD PicoCpuCM68k.cycles // cycles left for this run
- #define SekCyclesLeft \
- (((PicoAHW&1) && (PicoOpt & POPT_EN_MCD_PSYNC)) ? (SekCycleAim-SekCycleCnt) : SekCyclesLeftNoMCD)
- #define SekCyclesLeftS68k \
- ((PicoOpt & POPT_EN_MCD_PSYNC) ? (SekCycleAimS68k-SekCycleCntS68k) : PicoCpuCS68k.cycles)
- #define SekEndTimeslice(after) PicoCpuCM68k.cycles=after
- #define SekEndTimesliceS68k(after) PicoCpuCS68k.cycles=after
- #define SekPc (PicoCpuCM68k.pc-PicoCpuCM68k.membase)
- #define SekPcS68k (PicoCpuCS68k.pc-PicoCpuCS68k.membase)
- #define SekDar(x) (x < 8 ? PicoCpuCM68k.d[x] : PicoCpuCM68k.a[x - 8])
- #define SekDarS68k(x) (x < 8 ? PicoCpuCS68k.d[x] : PicoCpuCS68k.a[x - 8])
- #define SekSr CycloneGetSr(&PicoCpuCM68k)
- #define SekSrS68k CycloneGetSr(&PicoCpuCS68k)
- #define SekSetStop(x) { PicoCpuCM68k.state_flags&=~1; if (x) { PicoCpuCM68k.state_flags|=1; PicoCpuCM68k.cycles=0; } }
- #define SekSetStopS68k(x) { PicoCpuCS68k.state_flags&=~1; if (x) { PicoCpuCS68k.state_flags|=1; PicoCpuCS68k.cycles=0; } }
- #define SekIsStoppedM68k() (PicoCpuCM68k.state_flags&1)
- #define SekIsStoppedS68k() (PicoCpuCS68k.state_flags&1)
- #define SekShouldInterrupt (PicoCpuCM68k.irq > (PicoCpuCM68k.srh&7))
- #define SekInterrupt(i) PicoCpuCM68k.irq=i
- #define SekIrqLevel PicoCpuCM68k.irq
- #ifdef EMU_M68K
- #define EMU_CORE_DEBUG
- #endif
- #endif
- #ifdef EMU_F68K
- #include "../cpu/fame/fame.h"
- extern M68K_CONTEXT PicoCpuFM68k, PicoCpuFS68k;
- #define SekCyclesLeftNoMCD PicoCpuFM68k.io_cycle_counter
- #define SekCyclesLeft \
- (((PicoAHW&1) && (PicoOpt & POPT_EN_MCD_PSYNC)) ? (SekCycleAim-SekCycleCnt) : SekCyclesLeftNoMCD)
- #define SekCyclesLeftS68k \
- ((PicoOpt & POPT_EN_MCD_PSYNC) ? (SekCycleAimS68k-SekCycleCntS68k) : PicoCpuFS68k.io_cycle_counter)
- #define SekEndTimeslice(after) PicoCpuFM68k.io_cycle_counter=after
- #define SekEndTimesliceS68k(after) PicoCpuFS68k.io_cycle_counter=after
- #define SekPc fm68k_get_pc(&PicoCpuFM68k)
- #define SekPcS68k fm68k_get_pc(&PicoCpuFS68k)
- #define SekDar(x) (x < 8 ? PicoCpuFM68k.dreg[x].D : PicoCpuFM68k.areg[x - 8].D)
- #define SekDarS68k(x) (x < 8 ? PicoCpuFS68k.dreg[x].D : PicoCpuFS68k.areg[x - 8].D)
- #define SekSr PicoCpuFM68k.sr
- #define SekSrS68k PicoCpuFS68k.sr
- #define SekSetStop(x) { \
- PicoCpuFM68k.execinfo &= ~FM68K_HALTED; \
- if (x) { PicoCpuFM68k.execinfo |= FM68K_HALTED; PicoCpuFM68k.io_cycle_counter = 0; } \
- }
- #define SekSetStopS68k(x) { \
- PicoCpuFS68k.execinfo &= ~FM68K_HALTED; \
- if (x) { PicoCpuFS68k.execinfo |= FM68K_HALTED; PicoCpuFS68k.io_cycle_counter = 0; } \
- }
- #define SekIsStoppedM68k() (PicoCpuFM68k.execinfo&FM68K_HALTED)
- #define SekIsStoppedS68k() (PicoCpuFS68k.execinfo&FM68K_HALTED)
- #define SekShouldInterrupt fm68k_would_interrupt()
- #define SekInterrupt(irq) PicoCpuFM68k.interrupts[0]=irq
- #define SekIrqLevel PicoCpuFM68k.interrupts[0]
- #ifdef EMU_M68K
- #define EMU_CORE_DEBUG
- #endif
- #endif
- #ifdef EMU_M68K
- #include "../cpu/musashi/m68kcpu.h"
- extern m68ki_cpu_core PicoCpuMM68k, PicoCpuMS68k;
- #ifndef SekCyclesLeft
- #define SekCyclesLeftNoMCD PicoCpuMM68k.cyc_remaining_cycles
- #define SekCyclesLeft \
- (((PicoAHW&1) && (PicoOpt & POPT_EN_MCD_PSYNC)) ? (SekCycleAim-SekCycleCnt) : SekCyclesLeftNoMCD)
- #define SekCyclesLeftS68k \
- ((PicoOpt & POPT_EN_MCD_PSYNC) ? (SekCycleAimS68k-SekCycleCntS68k) : PicoCpuMS68k.cyc_remaining_cycles)
- #define SekEndTimeslice(after) SET_CYCLES(after)
- #define SekEndTimesliceS68k(after) PicoCpuMS68k.cyc_remaining_cycles=after
- #define SekPc m68k_get_reg(&PicoCpuMM68k, M68K_REG_PC)
- #define SekPcS68k m68k_get_reg(&PicoCpuMS68k, M68K_REG_PC)
- #define SekDar(x) PicoCpuMM68k.dar[x]
- #define SekDarS68k(x) PicoCpuMS68k.dar[x]
- #define SekSr m68k_get_reg(&PicoCpuMM68k, M68K_REG_SR)
- #define SekSrS68k m68k_get_reg(&PicoCpuMS68k, M68K_REG_SR)
- #define SekSetStop(x) { \
- if(x) { SET_CYCLES(0); PicoCpuMM68k.stopped=STOP_LEVEL_STOP; } \
- else PicoCpuMM68k.stopped=0; \
- }
- #define SekSetStopS68k(x) { \
- if(x) { SET_CYCLES(0); PicoCpuMS68k.stopped=STOP_LEVEL_STOP; } \
- else PicoCpuMS68k.stopped=0; \
- }
- #define SekIsStoppedM68k() (PicoCpuMM68k.stopped==STOP_LEVEL_STOP)
- #define SekIsStoppedS68k() (PicoCpuMS68k.stopped==STOP_LEVEL_STOP)
- #define SekShouldInterrupt (CPU_INT_LEVEL > FLAG_INT_MASK)
- #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)
- #endif
- #endif // EMU_M68K
- extern int SekCycleCnt; // cycles done in this frame
- extern int SekCycleAim; // cycle aim
- extern unsigned int SekCycleCntT; // total cycle counter, updated once per frame
- #define SekCyclesReset() { \
- SekCycleCntT+=SekCycleAim; \
- SekCycleCnt-=SekCycleAim; \
- SekCycleAim=0; \
- }
- #define SekCyclesBurn(c) SekCycleCnt+=c
- #define SekCyclesDone() (SekCycleAim-SekCyclesLeft) // number of cycles done in this frame (can be checked anywhere)
- #define SekCyclesDoneT() (SekCycleCntT+SekCyclesDone()) // total nuber of cycles done for this rom
- #define SekCyclesDoneT2() (SekCycleCntT + SekCycleCnt) // same as above but not from memhandlers
- #define SekEndRun(after) { \
- SekCycleCnt -= SekCyclesLeft - (after); \
- if (SekCycleCnt < 0) SekCycleCnt = 0; \
- SekEndTimeslice(after); \
- }
- #define SekEndRunS68k(after) { \
- SekCycleCntS68k -= SekCyclesLeftS68k - (after); \
- if (SekCycleCntS68k < 0) SekCycleCntS68k = 0; \
- SekEndTimesliceS68k(after); \
- }
- extern int SekCycleCntS68k;
- extern int SekCycleAimS68k;
- #define SekCyclesResetS68k() { \
- SekCycleCntS68k-=SekCycleAimS68k; \
- SekCycleAimS68k=0; \
- }
- #define SekCyclesDoneS68k() (SekCycleAimS68k-SekCyclesLeftS68k)
- #ifdef EMU_CORE_DEBUG
- extern int dbg_irq_level;
- #undef SekEndTimeslice
- #undef SekCyclesBurn
- #undef SekEndRun
- #undef SekInterrupt
- #define SekEndTimeslice(c)
- #define SekCyclesBurn(c) c
- #define SekEndRun(c)
- #define SekInterrupt(irq) dbg_irq_level=irq
- #endif
- // ----------------------- Z80 CPU -----------------------
- #if defined(_USE_DRZ80)
- #include "../cpu/DrZ80/drz80.h"
- extern struct DrZ80 drZ80;
- #define z80_run(cycles) ((cycles) - DrZ80Run(&drZ80, cycles))
- #define z80_run_nr(cycles) DrZ80Run(&drZ80, cycles)
- #define z80_int() drZ80.Z80_IRQ = 1
- #define z80_cyclesLeft drZ80.cycles
- #define z80_pc() (drZ80.Z80PC - drZ80.Z80PC_BASE)
- #elif defined(_USE_CZ80)
- #include "../cpu/cz80/cz80.h"
- #define z80_run(cycles) Cz80_Exec(&CZ80, cycles)
- #define z80_run_nr(cycles) Cz80_Exec(&CZ80, cycles)
- #define z80_int() Cz80_Set_IRQ(&CZ80, 0, HOLD_LINE)
- #define z80_cyclesLeft (CZ80.ICount - CZ80.ExtraCycles)
- #define z80_pc() Cz80_Get_Reg(&CZ80, CZ80_PC)
- #else
- #define z80_run(cycles) (cycles)
- #define z80_run_nr(cycles)
- #define z80_int()
- #endif
- #define Z80_STATE_SIZE 0x60
- extern int z80stopCycle; /* in 68k cycles */
- 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() \
- z80_cycle_cnt = z80_cycle_aim = z80_scanline = z80_scanline_cycles = 0;
- #define z80_cyclesDone() \
- (z80_cycle_aim - z80_cyclesLeft)
- #define cycles_68k_to_z80(x) ((x)*957 >> 11)
- // ----------------------- SH2 CPU -----------------------
- #include "cpu/sh2/sh2.h"
- extern SH2 sh2s[2];
- #define msh2 sh2s[0]
- #define ssh2 sh2s[1]
- #ifndef DRC_SH2
- # define sh2_end_run(sh2, after_) do { \
- if ((sh2)->icount > (after_)) { \
- (sh2)->cycles_timeslice -= (sh2)->icount - (after_); \
- (sh2)->icount = after_; \
- } \
- } while (0)
- # define sh2_cycles_left(sh2) (sh2)->icount
- # define sh2_pc(sh2) (sh2)->ppc
- #else
- # define sh2_end_run(sh2, after_) do { \
- int left_ = (signed int)(sh2)->sr >> 12; \
- if (left_ > (after_)) { \
- (sh2)->cycles_timeslice -= left_ - (after_); \
- (sh2)->sr &= 0xfff; \
- (sh2)->sr |= (after_) << 12; \
- } \
- } while (0)
- # define sh2_cycles_left(sh2) ((signed int)(sh2)->sr >> 12)
- # define sh2_pc(sh2) (sh2)->pc
- #endif
- #define sh2_cycles_done(sh2) ((int)(sh2)->cycles_timeslice - sh2_cycles_left(sh2))
- #define sh2_cycles_done_t(sh2) \
- ((sh2)->m68krcycles_done * 3 + sh2_cycles_done(sh2))
- #define sh2_cycles_done_m68k(sh2) \
- ((sh2)->m68krcycles_done + (sh2_cycles_done(sh2) / 3))
- #define sh2_reg(c, x) (c) ? ssh2.r[x] : msh2.r[x]
- #define sh2_gbr(c) (c) ? ssh2.gbr : msh2.gbr
- #define sh2_vbr(c) (c) ? ssh2.vbr : msh2.vbr
- #define sh2_sr(c) (((c) ? ssh2.sr : msh2.sr) & 0xfff)
- #define sh2_set_gbr(c, v) \
- { if (c) ssh2.gbr = v; else msh2.gbr = v; }
- #define sh2_set_vbr(c, v) \
- { if (c) ssh2.vbr = v; else msh2.vbr = v; }
- // ---------------------------------------------------------
- // main oscillator clock which controls timing
- #define OSC_NTSC 53693100
- #define OSC_PAL 53203424
- struct PicoVideo
- {
- unsigned char reg[0x20];
- unsigned int command; // 32-bit Command
- 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 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];
- };
- struct PicoMisc
- {
- unsigned char rotate;
- unsigned char z80Run;
- unsigned char padTHPhase[2]; // 02 phase of gamepad TH switches
- unsigned short scanline; // 04 0 to 261||311
- char dirtyPal; // 06 Is the palette dirty (1 - change @ this frame, 2 - some time before)
- unsigned char hardware; // 07 Hardware value for country
- unsigned char pal; // 08 1=PAL 0=NTSC
- unsigned char sram_reg; // 09 SRAM reg. See SRR_* below
- unsigned short z80_bank68k; // 0a
- unsigned short pad0;
- unsigned char pad1;
- unsigned char z80_reset; // 0f z80 reset held
- unsigned char padDelay[2]; // 10 gamepad phase time outs, so we count a delay
- unsigned short eeprom_addr; // EEPROM address register
- unsigned char eeprom_cycle; // EEPROM cycle number
- unsigned char eeprom_slave; // EEPROM slave word for X24C02 and better SRAMs
- unsigned char eeprom_status;
- unsigned char pad2;
- unsigned short dma_xfers; // 18
- unsigned char eeprom_wb[2]; // EEPROM latch/write buffer
- unsigned int frame_count; // 1c for movies and idle det
- };
- struct PicoMS
- {
- unsigned char carthw[0x10];
- unsigned char io_ctl;
- unsigned char pad[0x4f];
- };
- // some assembly stuff depend on these, do not touch!
- struct Pico
- {
- unsigned char ram[0x10000]; // 0x00000 scratch ram
- union { // vram is byteswapped for easier reads when drawing
- unsigned short vram[0x8000]; // 0x10000
- unsigned char vramb[0x4000]; // VRAM in SMS mode
- };
- 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
- struct PicoMisc m;
- struct PicoVideo video;
- struct PicoMS ms;
- };
- // sram
- #define SRR_MAPPED (1 << 0)
- #define SRR_READONLY (1 << 1)
- #define SRF_ENABLED (1 << 0)
- #define SRF_EEPROM (1 << 1)
- struct PicoSRAM
- {
- unsigned char *data; // actual data
- unsigned int start; // start address in 68k address space
- unsigned int end;
- unsigned char flags; // 0c: SRF_*
- unsigned char unused2;
- unsigned char changed;
- unsigned char eeprom_type; // eeprom type: 0: 7bit (24C01), 2: 2 addr words (X24C02+), 3: 3 addr words
- unsigned char unused3;
- unsigned char eeprom_bit_cl; // bit number for cl
- unsigned char eeprom_bit_in; // bit number for in
- unsigned char eeprom_bit_out; // bit number for out
- unsigned int size;
- };
- // MCD
- #include "cd/cd_sys.h"
- #include "cd/LC89510.h"
- #include "cd/gfx_cd.h"
- struct mcd_pcm
- {
- unsigned char control; // reg7
- unsigned char enabled; // reg8
- unsigned char cur_ch;
- unsigned char bank;
- int pad1;
- struct pcm_chan // 08, size 0x10
- {
- unsigned char regs[8];
- unsigned int addr; // .08: played sample address
- int pad;
- } ch[8];
- };
- struct mcd_misc
- {
- unsigned short hint_vector;
- unsigned char busreq;
- unsigned char s68k_pend_ints;
- unsigned int state_flags; // 04: emu state: reset_pending
- unsigned int counter75hz;
- unsigned int pad0;
- int timer_int3; // 10
- unsigned int timer_stopwatch;
- unsigned char bcram_reg; // 18: battery-backed RAM cart register
- unsigned char pad2;
- unsigned short pad3;
- int pad[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];
- };
- 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;
- Rot_Comp rot_comp;
- } mcd_state;
- // XXX: this will need to be reworked for cart+cd support.
- #define Pico_mcd ((mcd_state *)Pico.rom)
- // 32X
- #define P32XS_FM (1<<15)
- #define P32XS_REN (1<< 7)
- #define P32XS_nRES (1<< 1)
- #define P32XS_ADEN (1<< 0)
- #define P32XS2_ADEN (1<< 9)
- #define P32XS_FULL (1<< 7) // DREQ FIFO full
- #define P32XS_68S (1<< 2)
- #define P32XS_DMA (1<< 1)
- #define P32XS_RV (1<< 0)
- #define P32XV_nPAL (1<<15) // VDP
- #define P32XV_PRI (1<< 7)
- #define P32XV_Mx (3<< 0) // display mode mask
- #define P32XV_SFT (1<< 0)
- #define P32XV_VBLK (1<<15)
- #define P32XV_HBLK (1<<14)
- #define P32XV_PEN (1<<13)
- #define P32XV_nFEN (1<< 1)
- #define P32XV_FS (1<< 0)
- #define P32XP_RTP (1<<7) // PWM control
- #define P32XP_FULL (1<<15) // PWM pulse
- #define P32XP_EMPTY (1<<14)
- #define P32XF_68KCPOLL (1 << 0)
- #define P32XF_68KVPOLL (1 << 1)
- #define P32XI_VRES (1 << 14/2) // IRL/2
- #define P32XI_VINT (1 << 12/2)
- #define P32XI_HINT (1 << 10/2)
- #define P32XI_CMD (1 << 8/2)
- #define P32XI_PWM (1 << 6/2)
- // peripheral reg access
- #define PREG8(regs,offs) ((unsigned char *)regs)[offs ^ 3]
- // real one is 4*2, but we use more because we don't lockstep
- #define DMAC_FIFO_LEN (4*4)
- #define PWM_BUFF_LEN 1024 // in one channel samples
- #define SH2_DRCBLK_RAM_SHIFT 1
- #define SH2_DRCBLK_DA_SHIFT 1
- #define SH2_READ_SHIFT 25
- #define SH2_WRITE_SHIFT 25
- struct Pico32x
- {
- unsigned short regs[0x20];
- unsigned short vdp_regs[0x10]; // 0x40
- unsigned short sh2_regs[3]; // 0x60
- unsigned char pending_fb;
- unsigned char dirty_pal;
- unsigned int emu_flags;
- unsigned char sh2irq_mask[2];
- unsigned char sh2irqi[2]; // individual
- unsigned int sh2irqs; // common irqs
- unsigned short dmac_fifo[DMAC_FIFO_LEN];
- unsigned int dmac0_fifo_ptr;
- unsigned int pad;
- unsigned char comm_dirty_68k;
- unsigned char comm_dirty_sh2;
- unsigned char pwm_irq_cnt;
- unsigned char pad1;
- unsigned short pwm_p[2]; // pwm pos in fifo
- unsigned int pwm_cycle_p; // pwm play cursor (32x cycles)
- unsigned int reserved[6];
- };
- struct Pico32xMem
- {
- unsigned char sdram[0x40000];
- #ifdef DRC_SH2
- unsigned short drcblk_ram[1 << (18 - SH2_DRCBLK_RAM_SHIFT)];
- #endif
- unsigned short dram[2][0x20000/2]; // AKA fb
- union {
- unsigned char m68k_rom[0x100];
- unsigned char m68k_rom_bank[0x10000]; // M68K_BANK_SIZE
- };
- #ifdef DRC_SH2
- unsigned short drcblk_da[2][1 << (12 - SH2_DRCBLK_DA_SHIFT)];
- #endif
- unsigned char sh2_rom_m[0x800];
- unsigned char sh2_rom_s[0x400];
- unsigned short pal[0x100];
- unsigned short pal_native[0x100]; // converted to native (for renderer)
- signed short pwm[2*PWM_BUFF_LEN]; // PWM buffer for current frame
- signed short pwm_fifo[2][4]; // [0] - current, others - fifo entries
- };
- // area.c
- extern void (*PicoLoadStateHook)(void);
- typedef struct {
- int chunk;
- int size;
- void *ptr;
- } carthw_state_chunk;
- extern carthw_state_chunk *carthw_chunks;
- #define CHUNK_CARTHW 64
- // cart.c
- extern int PicoCartResize(int newsize);
- extern void Byteswap(void *dst, const void *src, int len);
- extern void (*PicoCartMemSetup)(void);
- extern void (*PicoCartUnloadHook)(void);
- // debug.c
- int CM_compareRun(int cyc, int is_sub);
- // draw.c
- 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);
- 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
- PICO_INTERNAL void PicoFrameFull();
- // mode4.c
- void PicoFrameStartMode4(void);
- void PicoLineMode4(int line);
- void PicoDoHighPal555M4(void);
- void PicoDrawSetOutputMode4(pdso_t which);
- // memory.c
- PICO_INTERNAL void PicoMemSetup(void);
- unsigned int PicoRead8_io(unsigned int a);
- unsigned int PicoRead16_io(unsigned int a);
- void PicoWrite8_io(unsigned int a, unsigned int d);
- void PicoWrite16_io(unsigned int a, unsigned int d);
- void p32x_dreq1_trigger(void);
- // pico/memory.c
- PICO_INTERNAL void PicoMemSetupPico(void);
- // cd/memory.c
- PICO_INTERNAL void PicoMemSetupCD(void);
- void PicoMemStateLoaded(void);
- // pico.c
- extern struct Pico Pico;
- extern struct PicoSRAM SRam;
- extern int PicoPadInt[2];
- extern int emustatus;
- extern int scanlines_total;
- extern void (*PicoResetHook)(void);
- extern void (*PicoLineHook)(void);
- PICO_INTERNAL int CheckDMA(void);
- PICO_INTERNAL void PicoDetectRegion(void);
- PICO_INTERNAL void PicoSyncZ80(int m68k_cycles_done);
- // cd/pico.c
- PICO_INTERNAL void PicoInitMCD(void);
- PICO_INTERNAL void PicoExitMCD(void);
- PICO_INTERNAL void PicoPowerMCD(void);
- PICO_INTERNAL int PicoResetMCD(void);
- PICO_INTERNAL void PicoFrameMCD(void);
- // pico/pico.c
- PICO_INTERNAL void PicoInitPico(void);
- PICO_INTERNAL void PicoReratePico(void);
- // pico/xpcm.c
- PICO_INTERNAL void PicoPicoPCMUpdate(short *buffer, int length, int stereo);
- PICO_INTERNAL void PicoPicoPCMReset(void);
- PICO_INTERNAL void PicoPicoPCMRerate(int xpcm_rate);
- // sek.c
- PICO_INTERNAL void SekInit(void);
- PICO_INTERNAL int SekReset(void);
- PICO_INTERNAL void SekState(int *data);
- PICO_INTERNAL void SekSetRealTAS(int use_real);
- PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub);
- PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub);
- void SekStepM68k(void);
- void SekInitIdleDet(void);
- void SekFinishIdleDet(void);
- #if defined(CPU_CMP_R) || defined(CPU_CMP_W)
- void SekTrace(int is_s68k);
- #else
- #define SekTrace(x)
- #endif
- // cd/sek.c
- PICO_INTERNAL void SekInitS68k(void);
- PICO_INTERNAL int SekResetS68k(void);
- PICO_INTERNAL int SekInterruptS68k(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 ym2612_sync_timers(int z80_cycles, int mode_old, int mode_new);
- void ym2612_pack_state(void);
- void ym2612_unpack_state(void);
- #define TIMER_NO_OFLOW 0x70000000
- // tA = 72 * (1024 - NA) / M
- #define TIMER_A_TICK_ZCYCLES 17203
- // tB = 1152 * (256 - NA) / M
- #define TIMER_B_TICK_ZCYCLES 262800 // 275251 broken, see Dai Makaimura
- #define timers_cycle() \
- if (timer_a_next_oflow > 0 && timer_a_next_oflow < TIMER_NO_OFLOW) \
- timer_a_next_oflow -= Pico.m.pal ? 70938*256 : 59659*256; \
- if (timer_b_next_oflow > 0 && timer_b_next_oflow < TIMER_NO_OFLOW) \
- timer_b_next_oflow -= Pico.m.pal ? 70938*256 : 59659*256; \
- ym2612_sync_timers(0, ym2612.OPN.ST.mode, ym2612.OPN.ST.mode);
- #define timers_reset() \
- timer_a_next_oflow = timer_b_next_oflow = TIMER_NO_OFLOW; \
- timer_a_step = TIMER_A_TICK_ZCYCLES * 1024; \
- timer_b_step = TIMER_B_TICK_ZCYCLES * 256;
- // videoport.c
- 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);
- // 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);
- // eeprom.c
- void EEPROM_write8(unsigned int a, unsigned int d);
- void EEPROM_write16(unsigned int d);
- unsigned int EEPROM_read(void);
- // z80 functionality wrappers
- PICO_INTERNAL void z80_init(void);
- PICO_INTERNAL void z80_pack(void *data);
- PICO_INTERNAL int z80_unpack(const void *data);
- PICO_INTERNAL void z80_reset(void);
- PICO_INTERNAL void z80_exit(void);
- // cd/misc.c
- 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);
- PICO_INTERNAL void PsndClear(void);
- PICO_INTERNAL void PsndGetSamples(int y);
- PICO_INTERNAL void PsndGetSamplesMS(void);
- extern int PsndDacLine;
- // sms.c
- #ifndef NO_SMS
- void PicoPowerMS(void);
- void PicoResetMS(void);
- void PicoMemSetupMS(void);
- void PicoStateLoadedMS(void);
- void PicoFrameMS(void);
- void PicoFrameDrawOnlyMS(void);
- #else
- #define PicoPowerMS()
- #define PicoResetMS()
- #define PicoMemSetupMS()
- #define PicoStateLoadedMS()
- #define PicoFrameMS()
- #define PicoFrameDrawOnlyMS()
- #endif
- // 32x/32x.c
- #ifndef NO_32X
- extern struct Pico32x Pico32x;
- enum p32x_event {
- P32X_EVENT_PWM,
- P32X_EVENT_FILLEND,
- P32X_EVENT_COUNT,
- };
- extern unsigned int event_times[P32X_EVENT_COUNT];
- void Pico32xInit(void);
- void PicoPower32x(void);
- void PicoReset32x(void);
- void Pico32xStartup(void);
- void PicoUnload32x(void);
- void PicoFrame32x(void);
- void Pico32xStateLoaded(int is_early);
- void p32x_sync_sh2s(unsigned int m68k_target);
- void p32x_sync_other_sh2(SH2 *sh2, unsigned int m68k_target);
- void p32x_update_irls(SH2 *active_sh2, int m68k_cycles);
- void p32x_reset_sh2s(void);
- void p32x_event_schedule(unsigned int now, enum p32x_event event, int after);
- void p32x_event_schedule_sh2(SH2 *sh2, enum p32x_event event, int after);
- // 32x/memory.c
- 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);
- void PicoWrite16_32x(unsigned int a, unsigned int d);
- void PicoMemSetup32x(void);
- void Pico32xSwapDRAM(int b);
- void Pico32xMemStateLoaded(void);
- void p32x_m68k_poll_event(unsigned int flags);
- 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 PicoDraw32xLayer(int offs, int lines, int mdbg);
- void PicoDraw32xLayerMdOnly(int offs, int lines);
- extern int (*PicoScan32xBegin)(unsigned int num);
- extern int (*PicoScan32xEnd)(unsigned int num);
- enum {
- PDM32X_OFF,
- PDM32X_32X_ONLY,
- PDM32X_BOTH,
- };
- extern int Pico32xDrawMode;
- // 32x/pwm.c
- unsigned int p32x_pwm_read16(unsigned int a, SH2 *sh2,
- unsigned int m68k_cycles);
- void p32x_pwm_write16(unsigned int a, unsigned int d,
- SH2 *sh2, unsigned int m68k_cycles);
- void p32x_pwm_update(int *buf32, int length, int stereo);
- void p32x_pwm_ctl_changed(void);
- void p32x_pwm_schedule(unsigned int m68k_now);
- void p32x_pwm_schedule_sh2(SH2 *sh2);
- void p32x_pwm_irq_event(unsigned int m68k_now);
- void p32x_pwm_state_loaded(void);
- // 32x/sh2soc.c
- void p32x_dreq0_trigger(void);
- void p32x_dreq1_trigger(void);
- void p32x_timers_recalc(void);
- void p32x_timers_do(unsigned int m68k_slice);
- unsigned int sh2_peripheral_read8(unsigned int a, SH2 *sh2);
- unsigned int sh2_peripheral_read16(unsigned int a, SH2 *sh2);
- unsigned int sh2_peripheral_read32(unsigned int a, SH2 *sh2);
- void sh2_peripheral_write8(unsigned int a, unsigned int d, SH2 *sh2);
- void sh2_peripheral_write16(unsigned int a, unsigned int d, SH2 *sh2);
- void sh2_peripheral_write32(unsigned int a, unsigned int d, SH2 *sh2);
- #else
- #define Pico32xInit()
- #define PicoPower32x()
- #define PicoReset32x()
- #define PicoFrame32x()
- #define PicoUnload32x()
- #define Pico32xStateLoaded()
- #define FinalizeLine32xRGB555 NULL
- #define p32x_pwm_update(...)
- #define p32x_timers_recalc()
- #endif
- /* avoid dependency on newer glibc */
- static __inline int isspace_(int c)
- {
- return (0x09 <= c && c <= 0x0d) || c == ' ';
- }
- #ifndef ARRAY_SIZE
- #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
- #endif
- // emulation event logging
- #ifndef EL_LOGMASK
- # ifdef __x86_64__ // HACK
- # define EL_LOGMASK (EL_STATUS|EL_IDLE|EL_ANOMALY)
- # else
- # define EL_LOGMASK (EL_STATUS)
- # endif
- #endif
- #define EL_HVCNT 0x00000001 /* hv counter reads */
- #define EL_SR 0x00000002 /* SR reads */
- #define EL_INTS 0x00000004 /* ints and acks */
- #define EL_YMTIMER 0x00000008 /* ym2612 timer stuff */
- #define EL_INTSW 0x00000010 /* log irq switching on/off */
- #define EL_ASVDP 0x00000020 /* VDP accesses during active scan */
- #define EL_VDPDMA 0x00000040 /* VDP DMA transfers and their timing */
- #define EL_BUSREQ 0x00000080 /* z80 busreq r/w or reset w */
- #define EL_Z80BNK 0x00000100 /* z80 i/o through bank area */
- #define EL_SRAMIO 0x00000200 /* sram i/o */
- #define EL_EEPROM 0x00000400 /* eeprom debug */
- #define EL_UIO 0x00000800 /* unmapped i/o */
- #define EL_IO 0x00001000 /* all i/o */
- #define EL_CDPOLL 0x00002000 /* MCD: log poll detection */
- #define EL_SVP 0x00004000 /* SVP stuff */
- #define EL_PICOHW 0x00008000 /* Pico stuff */
- #define EL_IDLE 0x00010000 /* idle loop det. */
- #define EL_CDREGS 0x00020000 /* MCD: register access */
- #define EL_CDREG3 0x00040000 /* MCD: register 3 only */
- #define EL_32X 0x00080000
- #define EL_PWM 0x00100000 /* 32X PWM stuff (LOTS of output) */
- #define EL_32XP 0x00200000 /* 32X peripherals */
- #define EL_STATUS 0x40000000 /* status messages */
- #define EL_ANOMALY 0x80000000 /* some unexpected conditions (during emulation) */
- #if EL_LOGMASK
- #define elprintf(w,f,...) \
- do { \
- if ((w) & EL_LOGMASK) \
- lprintf("%05i:%03i: " f "\n",Pico.m.frame_count,Pico.m.scanline,##__VA_ARGS__); \
- } while (0)
- #elif defined(_MSC_VER)
- #define elprintf
- #else
- #define elprintf(w,f,...)
- #endif
- // profiling
- #ifdef PPROF
- #include <platform/linux/pprof.h>
- #else
- #define pprof_init()
- #define pprof_finish()
- #define pprof_start(x)
- #define pprof_end(...)
- #define pprof_end_sub(...)
- #endif
- #ifdef EVT_LOG
- enum evt {
- EVT_FRAME_START,
- EVT_NEXT_LINE,
- EVT_RUN_START,
- EVT_RUN_END,
- EVT_POLL_START,
- EVT_POLL_END,
- EVT_CNT
- };
- enum evt_cpu {
- EVT_M68K,
- EVT_S68K,
- EVT_MSH2,
- EVT_SSH2,
- EVT_CPU_CNT
- };
- void pevt_log(unsigned int cycles, enum evt_cpu c, enum evt e);
- void pevt_dump(void);
- #define pevt_log_m68k(e) \
- pevt_log(SekCyclesDoneT(), EVT_M68K, e)
- #define pevt_log_m68k_o(e) \
- pevt_log(SekCyclesDoneT2(), EVT_M68K, e)
- #define pevt_log_sh2(sh2, e) \
- pevt_log(sh2_cycles_done_m68k(sh2), EVT_MSH2 + (sh2)->is_slave, e)
- #define pevt_log_sh2_o(sh2, e) \
- pevt_log((sh2)->m68krcycles_done, EVT_MSH2 + (sh2)->is_slave, e)
- #else
- #define pevt_log(c, e)
- #define pevt_log_m68k(e)
- #define pevt_log_m68k_o(e)
- #define pevt_log_sh2(sh2, e)
- #define pevt_log_sh2_o(sh2, e)
- #define pevt_dump()
- #endif
- // misc
- #ifdef _MSC_VER
- #define cdprintf
- #else
- #define cdprintf(x...)
- #endif
- #ifdef __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
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