Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | Download | RSS feed

  1. /*
  2.  * DrZ80 Version 1.0
  3.  * Z80 Emulator by Reesy
  4.  * Copyright 2005 Reesy
  5.  *
  6.  * This file is part of DrZ80.
  7.  *
  8.  *     DrZ80 is free software; you can redistribute it and/or modify
  9.  *     it under the terms of the GNU General Public License as published by
  10.  *     the Free Software Foundation; either version 2 of the License, or
  11.  *     (at your option) any later version.
  12.  *
  13.  *     DrZ80 is distributed in the hope that it will be useful,
  14.  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16.  *     GNU General Public License for more details.
  17.  *
  18.  *     You should have received a copy of the GNU General Public License
  19.  *     along with DrZ80; if not, write to the Free Software
  20.  *     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21.  *
  22.  */
  23.  
  24. #ifdef __cplusplus
  25. extern "C" {
  26. #endif
  27.  
  28. #ifndef DRZ80_H
  29. #define DRZ80_H
  30.  
  31. extern int DrZ80Ver; /* Version number of library */
  32.  
  33. struct DrZ80
  34. {
  35.   unsigned int Z80PC;           /*0x00 - PC Program Counter (Memory Base + PC) */
  36.   unsigned int Z80A;            /*0x04 - A Register:   0xAA------ */
  37.   unsigned int Z80F;            /*0x08 - F Register:   0x------FF */
  38.   unsigned int Z80BC;           /*0x0C - BC Registers: 0xBBCC---- */
  39.   unsigned int Z80DE;           /*0x10 - DE Registers: 0xDDEE---- */
  40.   unsigned int Z80HL;           /*0x14 - HL Registers: 0xHHLL---- */
  41.   unsigned int Z80SP;           /*0x18 - SP Stack Pointer (Memory Base + PC) */
  42.   unsigned int Z80PC_BASE;      /*0x1C - PC Program Counter (Memory Base) */
  43.   unsigned int Z80SP_BASE;      /*0x20 - SP Stack Pointer (Memory Base) */
  44.   unsigned int Z80IX;           /*0x24 - IX Index Register 0xIXIX---- */
  45.   unsigned int Z80IY;           /*0x28 - IY Index Register 0xIYIY---- */
  46.   unsigned int Z80I;            /*0x2C - I Interrupt Register */
  47.   unsigned int Z80A2;           /*0x30 - A' Register:    0xAA------ */
  48.   unsigned int Z80F2;           /*0x34 - F' Register:    0xFF------ */
  49.   unsigned int Z80BC2;          /*0x38 - B'C' Registers: 0xBBCC---- */
  50.   unsigned int Z80DE2;          /*0x3C - D'E' Registers: 0xDDEE---- */
  51.   unsigned int Z80HL2;          /*0x40 - H'L' Registers: 0xHHLL---- */    
  52.   int cycles;                       /*0x44 - Cycles pending to be executed yet */
  53.   int previouspc;                   /*0x48 - Previous PC */
  54.   unsigned char Z80_IRQ;        /*0x4C - Set IRQ Number (must be halfword aligned) */  
  55.   unsigned char Z80IF;          /*0x4D - Interrupt Flags:  bit1=_IFF1, bit2=_IFF2, bit3=_HALT */
  56.   unsigned char Z80IM;          /*0x4E - Set IRQ Mode */
  57.   unsigned char Z80R;           /*0x4F - R register */
  58.   unsigned int z80irqvector;    /*0x50 - Set IRQ Vector i.e. 0xFF=RST */
  59.   void (*z80_irq_callback )(void);
  60.   void (*z80_write8 )(unsigned char d,unsigned short a);
  61.   void (*z80_write16 )(unsigned short d,unsigned short a);
  62.   unsigned char (*z80_in)(unsigned short p);
  63.   void (*z80_out )(unsigned short p,unsigned char d);
  64.   unsigned char (*z80_read8)(unsigned short a);
  65.   unsigned short (*z80_read16)(unsigned short a);
  66.   unsigned int (*z80_rebaseSP)(unsigned short new_sp);
  67.   unsigned int (*z80_rebasePC)(unsigned short new_pc);
  68.   unsigned int bla;
  69. };
  70.  
  71. extern int DrZ80Run(struct DrZ80 *pcy,unsigned int cyc);
  72.  
  73. #endif
  74.  
  75. #ifdef __cplusplus
  76. } /* End of extern "C" */
  77. #endif
  78.