apps/codecs/libasap/asap_internal.h

   1 /*
   2  * asap_internal.h - private interface of the ASAP engine
   3  *
   4  * Copyright (C) 2005-2008  Piotr Fusik
   5  *
   6  * This file is part of ASAP (Another Slight Atari Player),
   7  * see http://asap.sourceforge.net
   8  *
   9  * ASAP is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as published
  11  * by the Free Software Foundation; either version 2 of the License,
  12  * or (at your option) any later version.
  13  *
  14  * ASAP is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty
  16  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17  * See the GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with ASAP; if not, write to the Free Software Foundation, Inc.,
  21  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  22  */
  23
  24 #ifndef _ASAP_INTERNAL_H_
  25 #define _ASAP_INTERNAL_H_
  26
  27 #if !defined(JAVA) && !defined(CSHARP)
  28
  29 #include "asap.h"
  30
  31 #define CONST_LOOKUP(type, name) \
  32                                 static const type name[]
  33 #define FILE_FUNC               static
  34 #define ASAP_FUNC
  35 #define PTR                     *
  36 #define ADDRESSOF               &
  37 #define ARRAY                   *
  38 #define VOIDPTR                 void *
  39 #define UBYTE(data)             (data)
  40 #define SBYTE(data)             (signed char) (data)
  41 #define STRING                  const char *
  42 #define ZERO_ARRAY(array)       memset(array, 0, sizeof(array))
  43 #define COPY_ARRAY(dest, dest_offset, src, src_offset, len) \
  44                                 memcpy(dest + dest_offset, src + src_offset, len)
  45 #define NEW_ARRAY(type, name, size) \
  46                                 type name[size]
  47 #define INIT_ARRAY(array)       memset(array, 0, sizeof(array))
  48
  49 #define AST                     ast->
  50 #define PST                     pst->
  51 #define MODULE_INFO             module_info->
  52 #define ASAP_OBX                const byte *
  53 #define GET_OBX(name)           name##_obx
  54
  55 int ASAP_GetByte(ASAP_State *ast, int addr);
  56 void ASAP_PutByte(ASAP_State *ast, int addr, int data);
  57
  58 void Cpu_RunScanlines(ASAP_State *ast, int scanlines);
  59
  60 void PokeySound_Initialize(ASAP_State *ast);
  61 void PokeySound_StartFrame(ASAP_State *ast);
  62 void PokeySound_PutByte(ASAP_State *ast, int addr, int data);
  63 int PokeySound_GetRandom(ASAP_State *ast, int addr);
  64 void PokeySound_EndFrame(ASAP_State *ast, int cycle_limit);
  65 int PokeySound_Generate(ASAP_State *ast, byte buffer[], int buffer_offset, int blocks, ASAP_SampleFormat format);
  66 abool PokeySound_IsSilent(const PokeyState *pst);
  67 void PokeySound_Mute(const ASAP_State *ast, PokeyState *pst, int mask);
  68
  69 #ifdef ASAPSCAN
  70 abool call_6502_player(ASAP_State *ast);
  71 extern abool cpu_trace;
  72 void print_cpu_state(const ASAP_State *ast, int pc, int a, int x, int y, int s, int nz, int vdi, int c);
  73 #endif
  74
  75 #endif /* !defined(JAVA) && !defined(CSHARP) */
  76
  77 #define ASAP_MAIN_CLOCK         1773447
  78
  79 #define V_FLAG                  0x40
  80 #define D_FLAG                  0x08
  81 #define I_FLAG                  0x04
  82 #define Z_FLAG                  0x02
  83
  84 #define NEVER                   0x800000
  85
  86 #define dGetByte(addr)          UBYTE(AST memory[addr])
  87 #define dPutByte(addr, data)    AST memory[addr] = (byte) (data)
  88 #define dGetWord(addr)          (dGetByte(addr) + (dGetByte((addr) + 1) << 8))
  89 #define GetByte(addr)           (((addr) & 0xf900) == 0xd000 ? ASAP_GetByte(ast, addr) : dGetByte(addr))
  90 #define PutByte(addr, data)     do { if (((addr) & 0xf900) == 0xd000) ASAP_PutByte(ast, addr, data); else dPutByte(addr, data); } while (FALSE)
  91 #define RMW_GetByte(dest, addr) do { if (((addr) >> 8) == 0xd2) { dest = ASAP_GetByte(ast, addr); AST cycle--; ASAP_PutByte(ast, addr, dest); AST cycle++; } else dest = dGetByte(addr); } while (FALSE)
  92
  93 #endif /* _ASAP_INTERNAL_H_ */