player/Project/Src/NES/nes_main.h

//////////////////////////////////////////////////////////////////////////////////
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֲ<EFBFBD><D6B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ye781205<30><35>NESģ<53><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// ALIENTEK STM32F407<30><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// NES<45><53><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2014/7/1
// <20>汾<EFBFBD><E6B1BE>V1.0
//////////////////////////////////////////////////////////////////////////////////

#ifndef __NES_MAIN_H
#define __NES_MAIN_H

#include "stdint.h"

#define NES_SKIP_FRAME 2 // <20><><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD><D6A1>,Ĭ<><C4AC><EFBFBD><EFBFBD>2֡

#define INLINE static inline
#define boolean uint8_t

// nes<65><73>Ϣͷ<CFA2>ṹ<EFBFBD><E1B9B9>
typedef struct {
  unsigned char id[3];  // 'NES'
  unsigned char ctrl_z; // control-z
  unsigned char num_16k_rom_banks;
  unsigned char num_8k_vrom_banks;
  unsigned char flags_1;
  unsigned char flags_2;
  unsigned char reserved[8];
} NES_header;

extern uint8_t nes_frame_cnt; // nes֡<73><D6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
extern int MapperNo;          // map<61><70><EFBFBD><EFBFBD>
extern int NES_scanline;      // ɨ<><C9A8><EFBFBD><EFBFBD>
extern NES_header *RomHeader; // rom<6F>ļ<EFBFBD>ͷ
extern int VROM_1K_SIZE;
extern int VROM_8K_SIZE;
extern uint8_t cpunmi; // cpu<70>жϱ<D0B6>־  <20><> 6502.s<><73><EFBFBD><EFBFBD>
extern uint8_t cpuirq;
extern uint8_t PADdata;     // <20>ֱ<EFBFBD>1<EFBFBD><31>ֵ
extern uint8_t PADdata1;    // <20>ֱ<EFBFBD>1<EFBFBD><31>ֵ
extern uint8_t lianan_biao; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
#define CPU_NMI cpunmi = 1;
#define CPU_IRQ cpuirq = 1;
#define NES_RAM_SPEED 0 // 1:<3A>ڴ<EFBFBD>ռ<EFBFBD><D5BC>С  0:<3A>ٶȿ<D9B6>

// ʹ<><CAB9><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϸ
uint8_t nes_load(uint8_t *pname, void *lcd_addr, int x, int y);

// <20><><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4>е<EFBFBD><D0B5><EFBFBD>Ϸ
uint8_t nes_start(uint8_t *file, int fileSize, void *lcd_addr, int x, int y);

void cpu6502_init(void); // <20><> cart.s
void run6502(uint32_t);  // <20><> 6502.s
uint8_t nes_load_rom(void);
void nes_sram_free(void);
uint8_t nes_sram_malloc(uint32_t romsize);
void nes_set_window(void);
void nes_get_gamepadval(void);
void nes_emulate_frame(void);
void debug_6502(uint16_t reg0, uint8_t reg1);

void nes_i2s_dma_tx_callback(void);
int nes_sound_open(int samples_per_sync, int sample_rate);
void nes_sound_close(void);
void nes_apu_fill_buffer(int samples, uint16_t *wavebuf);

#endif