cyclone.h

这个是延伸mame的在wince平台下的游戏模拟器的代码

/* Cyclone 68000 Emulator - Header File

// Most code (c) Copyright 2004 Dave, All rights reserved.
// Some coding/bugfixing was done by notaz
// Cyclone 68000 is free for non-commercial use.

// For commercial use, separate licencing terms must be obtained. */

#ifdef __cplusplus
extern "C" {
#endif

extern int CycloneVer; /* Version number of library */

struct Cyclone
{
  unsigned int d[8];   /* [r7,#0x00] */
  unsigned int a[8];   /* [r7,#0x20] */
  unsigned int pc;     /* [r7,#0x40] Memory Base+PC */
  unsigned char srh;   /* [r7,#0x44] Status Register high (T_S__III) */
  unsigned char xc;    /* [r7,#0x45] Extend flag (____??X?) */
  unsigned char flags; /* [r7,#0x46] Flags (ARM order: ____NZCV) [68k order is XNZVC] */
  unsigned char irq;   /* [r7,#0x47] IRQ level */
  unsigned int osp;    /* [r7,#0x48] Other Stack Pointer (USP/SSP) */
  unsigned int vector; /* [r7,#0x4c] IRQ vector (temporary) */
  int pad1[2];
  int stopped;         /* [r7,#0x58] 1 == processor is in stopped state */
  int cycles;          /* [r7,#0x5c] */
  int membase;         /* [r7,#0x60] Memory Base (ARM address minus 68000 address) */
  unsigned int   (*checkpc)(unsigned int pc); /* [r7,#0x64] - Called to recalc Memory Base+pc */
  unsigned char  (*read8  )(unsigned int a);  /* [r7,#0x68] */
  unsigned short (*read16 )(unsigned int a);  /* [r7,#0x6c] */
  unsigned int   (*read32 )(unsigned int a);  /* [r7,#0x70] */
  void (*write8 )(unsigned int a,unsigned char  d); /* [r7,#0x74] */
  void (*write16)(unsigned int a,unsigned short d); /* [r7,#0x78] */
  void (*write32)(unsigned int a,unsigned int   d); /* [r7,#0x7c] */
  unsigned char  (*fetch8 )(unsigned int a);  /* [r7,#0x80] */
  unsigned short (*fetch16)(unsigned int a);  /* [r7,#0x84] */
  unsigned int   (*fetch32)(unsigned int a);  /* [r7,#0x88] */
  int (*IrqCallback)(int int_level);          /* [r7,#0x8c] - optional irq callback function */
};

void CycloneRun(struct Cyclone *pcy);

#ifdef __cplusplus
} /* End of extern "C" */
#endif