apps/codecs/libasap/asap_internal.h

   1 /*
   2  * asap_internal.h - private interface of ASAP
   3  *
   4  * Copyright (C) 2005-2010  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 #include "anylang.h"
  28
  29 #ifndef C
  30
  31 #define ASAP_SONGS_MAX          32
  32 #define ASAP_SAMPLE_RATE        44100
  33
  34 #endif
  35
  36 #ifdef JAVA
  37
  38 #define ASAP_FORMAT_U8          8
  39 #define ASAP_FORMAT_S16_LE      16
  40 #define ASAP_FORMAT_S16_BE      -16
  41 #define ASAP_SampleFormat       int
  42
  43 #elif defined(CSHARP) || defined(JAVASCRIPT)
  44
  45 #define ASAP_FORMAT_U8          ASAP_SampleFormat.U8
  46 #define ASAP_FORMAT_S16_LE      ASAP_SampleFormat.S16LE
  47 #define ASAP_FORMAT_S16_BE      ASAP_SampleFormat.S16BE
  48
  49 #elif defined(ACTIONSCRIPT)
  50
  51 #define ASAP_SampleFormat       int
  52
  53 #else /* C */
  54
  55 #include "asap.h"
  56
  57 int ASAP_GetByte(ASAP_State *ast, int addr);
  58 void ASAP_PutByte(ASAP_State *ast, int addr, int data);
  59
  60 void Cpu_RunScanlines(ASAP_State *ast, int scanlines);
  61
  62 void PokeySound_Initialize(ASAP_State *ast);
  63 void PokeySound_StartFrame(ASAP_State *ast);
  64 void PokeySound_PutByte(ASAP_State *ast, int addr, int data);
  65 int PokeySound_GetRandom(ASAP_State *ast, int addr, int cycle);
  66 void PokeySound_EndFrame(ASAP_State *ast, int cycle_limit);
  67 int PokeySound_Generate(ASAP_State *ast, byte buffer[], int buffer_offset, int blocks, ASAP_SampleFormat format);
  68 abool PokeySound_IsSilent(const PokeyState *pst);
  69 void PokeySound_Mute(const ASAP_State *ast, PokeyState *pst, int mask);
  70
  71 #ifdef ASAPSCAN
  72 abool call_6502_player(ASAP_State *ast);
  73 extern int cpu_trace;
  74 void trace_cpu(const ASAP_State *ast, int pc, int a, int x, int y, int s, int nz, int vdi, int c);
  75 #endif
  76
  77 #endif /* C */
  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 DELTA_SHIFT_POKEY       20
  87 #define DELTA_SHIFT_GTIA        20
  88 #define DELTA_SHIFT_COVOX       17
  89
  90 /* 6502 player types */
  91 #define ASAP_TYPE_SAP_B         1
  92 #define ASAP_TYPE_SAP_C         2
  93 #define ASAP_TYPE_SAP_D         3
  94 #define ASAP_TYPE_SAP_S         4
  95 #define ASAP_TYPE_CMC           5
  96 #define ASAP_TYPE_CM3           6
  97 #define ASAP_TYPE_CMR           7
  98 #define ASAP_TYPE_CMS           8
  99 #define ASAP_TYPE_DLT           9
 100 #define ASAP_TYPE_MPT           10
 101 #define ASAP_TYPE_RMT           11
 102 #define ASAP_TYPE_TMC           12
 103 #define ASAP_TYPE_TM2           13
 104
 105 #define dGetByte(addr)          UBYTE(ast _ memory[addr])
 106 #define dPutByte(addr, data)    ast _ memory[addr] = CAST(byte) (data)
 107 #define dGetWord(addr)          (dGetByte(addr) + (dGetByte((addr) + 1) << 8))
 108 #define GetByte(addr)           (((addr) & 0xf900) == 0xd000 ? ASAP_GetByte(ast, addr) : dGetByte(addr))
 109 #define PutByte(addr, data)     do { if (((addr) & 0xf900) == 0xd000) ASAP_PutByte(ast, addr, data); else dPutByte(addr, data); } while (FALSE)
 110 #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)
 111
 112 #define ASAP_MAIN_CLOCK(ast)    ((ast) _ module_info->ntsc ? 1789772 : 1773447)
 113 #define CYCLE_TO_SAMPLE(cycle)  TO_INT(((cycle) * ASAP_SAMPLE_RATE + ast _ sample_offset) / ASAP_MAIN_CLOCK(ast))
 114
 115 #endif /* _ASAP_INTERNAL_H_ */