45bd7e0246
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19018 a1c6a512-1295-4272-9138-f99709370657
2010 lines
55 KiB
C
2010 lines
55 KiB
C
/*
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* asap.c - ASAP engine
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*
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* Copyright (C) 2005-2008 Piotr Fusik
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*
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* This file is part of ASAP (Another Slight Atari Player),
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* see http://asap.sourceforge.net
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*
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* ASAP is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* ASAP is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ASAP; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "codeclib.h"
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#if !defined(JAVA) && !defined(CSHARP)
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#include <string.h>
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#endif
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#include "asap_internal.h"
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#if !defined(JAVA) && !defined(CSHARP)
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#include "players.h"
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#endif
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#define memcpy ci->memcpy
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#define memcmp ci->memcmp
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#define memset ci->memset
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#define strcpy ci->strcpy
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#define strcmp ci->strcmp
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#define strstr ci->strcasestr
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#define CMR_BASS_TABLE_OFFSET 0x70f
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CONST_LOOKUP(byte, cmr_bass_table) = {
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0x5C, 0x56, 0x50, 0x4D, 0x47, 0x44, 0x41, 0x3E,
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0x38, 0x35, (byte) 0x88, 0x7F, 0x79, 0x73, 0x6C, 0x67,
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0x60, 0x5A, 0x55, 0x51, 0x4C, 0x48, 0x43, 0x3F,
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0x3D, 0x39, 0x34, 0x33, 0x30, 0x2D, 0x2A, 0x28,
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0x25, 0x24, 0x21, 0x1F, 0x1E
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};
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ASAP_FUNC int ASAP_GetByte(ASAP_State PTR ast, int addr)
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{
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switch (addr & 0xff0f) {
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case 0xd20a:
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return PokeySound_GetRandom(ast, addr);
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case 0xd20e:
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if ((addr & AST extra_pokey_mask) != 0)
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return 0xff;
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return AST irqst;
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case 0xd20f:
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return 0xff;
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case 0xd40b:
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return AST scanline_number >> 1;
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default:
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return dGetByte(addr);
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}
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}
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ASAP_FUNC void ASAP_PutByte(ASAP_State PTR ast, int addr, int data)
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{
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if ((addr >> 8) == 0xd2) {
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if ((addr & (AST extra_pokey_mask + 0xf)) == 0xe) {
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AST irqst |= data ^ 0xff;
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#define SET_TIMER_IRQ(ch) \
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if ((data & AST irqst & ch) != 0) { \
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if (AST timer##ch##_cycle == NEVER) { \
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int t = AST base_pokey.tick_cycle##ch; \
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while (t < AST cycle) \
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t += AST base_pokey.period_cycles##ch; \
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AST timer##ch##_cycle = t; \
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if (AST nearest_event_cycle > t) \
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AST nearest_event_cycle = t; \
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} \
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} \
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else \
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AST timer##ch##_cycle = NEVER;
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SET_TIMER_IRQ(1);
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SET_TIMER_IRQ(2);
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SET_TIMER_IRQ(4);
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}
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else
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PokeySound_PutByte(ast, addr, data);
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}
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else if ((addr & 0xff0f) == 0xd40a) {
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if (AST cycle <= AST next_scanline_cycle - 8)
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AST cycle = AST next_scanline_cycle - 8;
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else
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AST cycle = AST next_scanline_cycle + 106;
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}
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else
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dPutByte(addr, data);
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}
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#define MAX_SONGS 32
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CONST_LOOKUP(int, perframe2fastplay) = { 312, 312 / 2, 312 / 3, 312 / 4 };
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FILE_FUNC abool load_native(ASAP_State PTR ast, ASAP_ModuleInfo PTR module_info,
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const byte ARRAY module, int module_len, ASAP_OBX player)
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{
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#if defined(JAVA) || defined(CSHARP)
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try
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#endif
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{
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int player_last_byte;
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int block_len;
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if (UBYTE(module[0]) != 0xff || UBYTE(module[1]) != 0xff)
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return FALSE;
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#ifdef JAVA
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try {
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player.read();
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player.read();
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MODULE_INFO player = player.read();
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MODULE_INFO player += player.read() << 8;
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player_last_byte = player.read();
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player_last_byte += player.read() << 8;
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} catch (IOException e) {
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throw new RuntimeException();
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}
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#elif defined(CSHARP)
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player.ReadByte();
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player.ReadByte();
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MODULE_INFO player = player.ReadByte();
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MODULE_INFO player += player.ReadByte() << 8;
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player_last_byte = player.ReadByte();
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player_last_byte += player.ReadByte() << 8;
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#else
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MODULE_INFO player = UBYTE(player[2]) + (UBYTE(player[3]) << 8);
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player_last_byte = UBYTE(player[4]) + (UBYTE(player[5]) << 8);
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#endif
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MODULE_INFO music = UBYTE(module[2]) + (UBYTE(module[3]) << 8);
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if (MODULE_INFO music <= player_last_byte)
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return FALSE;
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block_len = UBYTE(module[4]) + (UBYTE(module[5]) << 8) + 1 - MODULE_INFO music;
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if (6 + block_len != module_len) {
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int info_addr;
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int info_len;
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if (MODULE_INFO type != 'r' || 11 + block_len > module_len)
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return FALSE;
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/* allow optional info for Raster Music Tracker */
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info_addr = UBYTE(module[6 + block_len]) + (UBYTE(module[7 + block_len]) << 8);
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if (info_addr != MODULE_INFO music + block_len)
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return FALSE;
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info_len = UBYTE(module[8 + block_len]) + (UBYTE(module[9 + block_len]) << 8) + 1 - info_addr;
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if (10 + block_len + info_len != module_len)
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return FALSE;
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}
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if (ast != NULL) {
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COPY_ARRAY(AST memory, MODULE_INFO music, module, 6, block_len);
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#ifdef JAVA
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int addr = MODULE_INFO player;
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do {
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int i;
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try {
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i = player.read(AST memory, addr, player_last_byte + 1 - addr);
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} catch (IOException e) {
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throw new RuntimeException();
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}
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if (i <= 0)
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throw new RuntimeException();
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addr += i;
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} while (addr <= player_last_byte);
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#elif defined(CSHARP)
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int addr = MODULE_INFO player;
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do {
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int i = player.Read(AST memory, addr, player_last_byte + 1 - addr);
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if (i <= 0)
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throw new Exception();
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addr += i;
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} while (addr <= player_last_byte);
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#else
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COPY_ARRAY(AST memory, MODULE_INFO player, player, 6, player_last_byte + 1 - MODULE_INFO player);
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#endif
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}
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return TRUE;
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}
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#ifdef JAVA
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finally {
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try {
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player.close();
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} catch (IOException e) {
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throw new RuntimeException();
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}
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}
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#elif defined(CSHARP)
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finally {
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player.Close();
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}
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#endif
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}
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FILE_FUNC void set_song_duration(ASAP_ModuleInfo PTR module_info, int player_calls)
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{
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MODULE_INFO durations[MODULE_INFO songs] = (int) (player_calls * MODULE_INFO fastplay * 114000.0 / 1773447);
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MODULE_INFO songs++;
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}
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#define SEEN_THIS_CALL 1
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#define SEEN_BEFORE 2
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#define SEEN_REPEAT 3
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FILE_FUNC void parse_cmc_song(ASAP_ModuleInfo PTR module_info, const byte ARRAY module, int pos)
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{
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int tempo = UBYTE(module[0x19]);
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int player_calls = 0;
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int rep_start_pos = 0;
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int rep_end_pos = 0;
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int rep_times = 0;
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NEW_ARRAY(byte, seen, 0x55);
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INIT_ARRAY(seen);
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while (pos >= 0 && pos < 0x55) {
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int p1;
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int p2;
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int p3;
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if (pos == rep_end_pos && rep_times > 0) {
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for (p1 = 0; p1 < 0x55; p1++)
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if (seen[p1] == SEEN_THIS_CALL || seen[p1] == SEEN_REPEAT)
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seen[p1] = 0;
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rep_times--;
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pos = rep_start_pos;
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}
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if (seen[pos] != 0) {
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if (seen[pos] != SEEN_THIS_CALL)
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MODULE_INFO loops[MODULE_INFO songs] = TRUE;
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break;
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}
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seen[pos] = SEEN_THIS_CALL;
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p1 = UBYTE(module[0x206 + pos]);
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p2 = UBYTE(module[0x25b + pos]);
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p3 = UBYTE(module[0x2b0 + pos]);
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if (p1 == 0xfe || p2 == 0xfe || p3 == 0xfe) {
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pos++;
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continue;
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}
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p1 >>= 4;
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if (p1 == 8)
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break;
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if (p1 == 9) {
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pos = p2;
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continue;
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}
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if (p1 == 0xa) {
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pos -= p2;
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continue;
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}
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if (p1 == 0xb) {
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pos += p2;
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continue;
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}
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if (p1 == 0xc) {
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tempo = p2;
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pos++;
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continue;
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}
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if (p1 == 0xd) {
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pos++;
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rep_start_pos = pos;
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rep_end_pos = pos + p2;
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rep_times = p3 - 1;
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continue;
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}
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if (p1 == 0xe) {
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MODULE_INFO loops[MODULE_INFO songs] = TRUE;
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break;
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}
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p2 = rep_times > 0 ? SEEN_REPEAT : SEEN_BEFORE;
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for (p1 = 0; p1 < 0x55; p1++)
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if (seen[p1] == SEEN_THIS_CALL)
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seen[p1] = (byte) p2;
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player_calls += tempo << 6;
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pos++;
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}
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set_song_duration(module_info, player_calls);
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}
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FILE_FUNC abool parse_cmc(ASAP_State PTR ast, ASAP_ModuleInfo PTR module_info,
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const byte ARRAY module, int module_len, abool cmr)
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{
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int last_pos;
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int pos;
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if (module_len < 0x306)
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return FALSE;
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MODULE_INFO type = cmr ? 'z' : 'c';
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if (!load_native(ast, module_info, module, module_len, GET_OBX(cmc)))
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return FALSE;
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if (ast != NULL && cmr)
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COPY_ARRAY(AST memory, 0x500 + CMR_BASS_TABLE_OFFSET, cmr_bass_table, 0, sizeof(cmr_bass_table));
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/* auto-detect number of subsongs */
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last_pos = 0x54;
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while (--last_pos >= 0) {
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if (UBYTE(module[0x206 + last_pos]) < 0xb0
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|| UBYTE(module[0x25b + last_pos]) < 0x40
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|| UBYTE(module[0x2b0 + last_pos]) < 0x40)
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break;
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}
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MODULE_INFO songs = 0;
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parse_cmc_song(module_info, module, 0);
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for (pos = 0; pos < last_pos && MODULE_INFO songs < MAX_SONGS; pos++)
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if (UBYTE(module[0x206 + pos]) == 0x8f || UBYTE(module[0x206 + pos]) == 0xef)
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parse_cmc_song(module_info, module, pos + 1);
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return TRUE;
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}
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FILE_FUNC void parse_mpt_song(ASAP_ModuleInfo PTR module_info, const byte ARRAY module,
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abool ARRAY global_seen, int song_len, int pos)
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{
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int addr_to_offset = UBYTE(module[2]) + (UBYTE(module[3]) << 8) - 6;
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int tempo = UBYTE(module[0x1cf]);
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int player_calls = 0;
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NEW_ARRAY(byte, seen, 256);
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NEW_ARRAY(int, pattern_offset, 4);
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NEW_ARRAY(int, blank_rows, 4);
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NEW_ARRAY(int, blank_rows_counter, 4);
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INIT_ARRAY(seen);
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INIT_ARRAY(blank_rows);
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while (pos < song_len) {
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int i;
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int ch;
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int pattern_rows;
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if (seen[pos] != 0) {
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if (seen[pos] != SEEN_THIS_CALL)
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MODULE_INFO loops[MODULE_INFO songs] = TRUE;
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break;
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}
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seen[pos] = SEEN_THIS_CALL;
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global_seen[pos] = TRUE;
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i = UBYTE(module[0x1d0 + pos * 2]);
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if (i == 0xff) {
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pos = UBYTE(module[0x1d1 + pos * 2]);
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continue;
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}
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for (ch = 3; ch >= 0; ch--) {
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i = UBYTE(module[0x1c6 + ch]) + (UBYTE(module[0x1ca + ch]) << 8) - addr_to_offset;
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i = UBYTE(module[i + pos * 2]);
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if (i >= 0x40)
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break;
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i <<= 1;
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i = UBYTE(module[0x46 + i]) + (UBYTE(module[0x47 + i]) << 8);
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pattern_offset[ch] = i == 0 ? 0 : i - addr_to_offset;
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blank_rows_counter[ch] = 0;
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}
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if (ch >= 0)
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break;
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for (i = 0; i < song_len; i++)
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if (seen[i] == SEEN_THIS_CALL)
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seen[i] = SEEN_BEFORE;
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for (pattern_rows = UBYTE(module[0x1ce]); --pattern_rows >= 0; ) {
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for (ch = 3; ch >= 0; ch--) {
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if (pattern_offset[ch] == 0 || --blank_rows_counter[ch] >= 0)
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continue;
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for (;;) {
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i = UBYTE(module[pattern_offset[ch]++]);
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if (i < 0x40 || i == 0xfe)
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break;
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if (i < 0x80)
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continue;
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if (i < 0xc0) {
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blank_rows[ch] = i - 0x80;
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continue;
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}
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if (i < 0xd0)
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continue;
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if (i < 0xe0) {
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tempo = i - 0xcf;
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continue;
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}
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pattern_rows = 0;
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}
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blank_rows_counter[ch] = blank_rows[ch];
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}
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player_calls += tempo;
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}
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pos++;
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}
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if (player_calls > 0)
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set_song_duration(module_info, player_calls);
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}
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FILE_FUNC abool parse_mpt(ASAP_State PTR ast, ASAP_ModuleInfo PTR module_info,
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const byte ARRAY module, int module_len)
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{
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int track0_addr;
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int pos;
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int song_len;
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/* seen[i] == TRUE if the track position i has been processed */
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NEW_ARRAY(abool, global_seen, 256);
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if (module_len < 0x1d0)
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return FALSE;
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MODULE_INFO type = 'm';
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if (!load_native(ast, module_info, module, module_len, GET_OBX(mpt)))
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return FALSE;
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track0_addr = UBYTE(module[2]) + (UBYTE(module[3]) << 8) + 0x1ca;
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if (UBYTE(module[0x1c6]) + (UBYTE(module[0x1ca]) << 8) != track0_addr)
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return FALSE;
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/* Calculate the length of the first track. Address of the second track minus
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address of the first track equals the length of the first track in bytes.
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Divide by two to get number of track positions. */
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song_len = (UBYTE(module[0x1c7]) + (UBYTE(module[0x1cb]) << 8) - track0_addr) >> 1;
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if (song_len > 0xfe)
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return FALSE;
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INIT_ARRAY(global_seen);
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MODULE_INFO songs = 0;
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for (pos = 0; pos < song_len && MODULE_INFO songs < MAX_SONGS; pos++) {
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if (!global_seen[pos]) {
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MODULE_INFO song_pos[MODULE_INFO songs] = (byte) pos;
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parse_mpt_song(module_info, module, global_seen, song_len, pos);
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}
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}
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return MODULE_INFO songs != 0;
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}
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CONST_LOOKUP(byte, rmt_volume_silent) = { 16, 8, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1 };
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FILE_FUNC int rmt_instrument_frames(const byte ARRAY module, int instrument, int volume, int volume_frame, abool extra_pokey)
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{
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int addr_to_offset = UBYTE(module[2]) + (UBYTE(module[3]) << 8) - 6;
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int per_frame = module[0xc];
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int player_call;
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int player_calls;
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int index;
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int index_end;
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int index_loop;
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int volume_slide_depth;
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int volume_min;
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abool looping;
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int volume_slide;
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abool silent_loop;
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instrument = UBYTE(module[0xe]) + (UBYTE(module[0xf]) << 8) - addr_to_offset + (instrument << 1);
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if (module[instrument + 1] == 0)
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return 0;
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instrument = UBYTE(module[instrument]) + (UBYTE(module[instrument + 1]) << 8) - addr_to_offset;
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player_calls = player_call = volume_frame * per_frame;
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index = UBYTE(module[instrument]) + 1 + player_call * 3;
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index_end = UBYTE(module[instrument + 2]) + 3;
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index_loop = UBYTE(module[instrument + 3]);
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if (index_loop >= index_end)
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return 0; /* error */
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volume_slide_depth = UBYTE(module[instrument + 6]);
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volume_min = UBYTE(module[instrument + 7]);
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looping = index >= index_end;
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if (looping)
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index = (index - index_end) % (index_end - index_loop) + index_loop;
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else {
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do {
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int vol = module[instrument + index];
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if (extra_pokey)
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vol >>= 4;
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if ((vol & 0xf) >= rmt_volume_silent[volume])
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player_calls = player_call + 1;
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player_call++;
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index += 3;
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} while (index < index_end);
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}
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if (volume_slide_depth == 0)
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return player_calls / per_frame;
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volume_slide = 128;
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|
silent_loop = FALSE;
|
|
for (;;) {
|
|
int vol;
|
|
if (index >= index_end) {
|
|
if (silent_loop)
|
|
break;
|
|
silent_loop = TRUE;
|
|
index = index_loop;
|
|
}
|
|
vol = module[instrument + index];
|
|
if (extra_pokey)
|
|
vol >>= 4;
|
|
if ((vol & 0xf) >= rmt_volume_silent[volume]) {
|
|
player_calls = player_call + 1;
|
|
silent_loop = FALSE;
|
|
}
|
|
player_call++;
|
|
index += 3;
|
|
volume_slide -= volume_slide_depth;
|
|
if (volume_slide < 0) {
|
|
volume_slide += 256;
|
|
if (--volume <= volume_min)
|
|
break;
|
|
}
|
|
}
|
|
return player_calls / per_frame;
|
|
}
|
|
|
|
FILE_FUNC void parse_rmt_song(ASAP_ModuleInfo PTR module_info, const byte ARRAY module,
|
|
abool ARRAY global_seen, int song_len, int pos_shift, int pos)
|
|
{
|
|
int ch;
|
|
int addr_to_offset = UBYTE(module[2]) + (UBYTE(module[3]) << 8) - 6;
|
|
int tempo = UBYTE(module[0xb]);
|
|
int frames = 0;
|
|
int song_offset = UBYTE(module[0x14]) + (UBYTE(module[0x15]) << 8) - addr_to_offset;
|
|
int pattern_lo_offset = UBYTE(module[0x10]) + (UBYTE(module[0x11]) << 8) - addr_to_offset;
|
|
int pattern_hi_offset = UBYTE(module[0x12]) + (UBYTE(module[0x13]) << 8) - addr_to_offset;
|
|
int instrument_frames;
|
|
NEW_ARRAY(byte, seen, 256);
|
|
NEW_ARRAY(int, pattern_begin, 8);
|
|
NEW_ARRAY(int, pattern_offset, 8);
|
|
NEW_ARRAY(int, blank_rows, 8);
|
|
NEW_ARRAY(int, instrument_no, 8);
|
|
NEW_ARRAY(int, instrument_frame, 8);
|
|
NEW_ARRAY(int, volume_value, 8);
|
|
NEW_ARRAY(int, volume_frame, 8);
|
|
INIT_ARRAY(seen);
|
|
INIT_ARRAY(instrument_no);
|
|
INIT_ARRAY(instrument_frame);
|
|
INIT_ARRAY(volume_value);
|
|
INIT_ARRAY(volume_frame);
|
|
while (pos < song_len) {
|
|
int i;
|
|
int pattern_rows;
|
|
if (seen[pos] != 0) {
|
|
if (seen[pos] != SEEN_THIS_CALL)
|
|
MODULE_INFO loops[MODULE_INFO songs] = TRUE;
|
|
break;
|
|
}
|
|
seen[pos] = SEEN_THIS_CALL;
|
|
global_seen[pos] = TRUE;
|
|
if (UBYTE(module[song_offset + (pos << pos_shift)]) == 0xfe) {
|
|
pos = UBYTE(module[song_offset + (pos << pos_shift) + 1]);
|
|
continue;
|
|
}
|
|
for (ch = 0; ch < 1 << pos_shift; ch++) {
|
|
i = UBYTE(module[song_offset + (pos << pos_shift) + ch]);
|
|
if (i == 0xff)
|
|
blank_rows[ch] = 256;
|
|
else {
|
|
pattern_offset[ch] = pattern_begin[ch] = UBYTE(module[pattern_lo_offset + i])
|
|
+ (UBYTE(module[pattern_hi_offset + i]) << 8) - addr_to_offset;
|
|
blank_rows[ch] = 0;
|
|
}
|
|
}
|
|
for (i = 0; i < song_len; i++)
|
|
if (seen[i] == SEEN_THIS_CALL)
|
|
seen[i] = SEEN_BEFORE;
|
|
for (pattern_rows = UBYTE(module[0xa]); --pattern_rows >= 0; ) {
|
|
for (ch = 0; ch < 1 << pos_shift; ch++) {
|
|
if (--blank_rows[ch] > 0)
|
|
continue;
|
|
for (;;) {
|
|
i = UBYTE(module[pattern_offset[ch]++]);
|
|
if ((i & 0x3f) < 62) {
|
|
i += UBYTE(module[pattern_offset[ch]++]) << 8;
|
|
if ((i & 0x3f) != 61) {
|
|
instrument_no[ch] = i >> 10;
|
|
instrument_frame[ch] = frames;
|
|
}
|
|
volume_value[ch] = (i >> 6) & 0xf;
|
|
volume_frame[ch] = frames;
|
|
break;
|
|
}
|
|
if (i == 62) {
|
|
blank_rows[ch] = UBYTE(module[pattern_offset[ch]++]);
|
|
break;
|
|
}
|
|
if ((i & 0x3f) == 62) {
|
|
blank_rows[ch] = i >> 6;
|
|
break;
|
|
}
|
|
if ((i & 0xbf) == 63) {
|
|
tempo = UBYTE(module[pattern_offset[ch]++]);
|
|
continue;
|
|
}
|
|
if (i == 0xbf) {
|
|
pattern_offset[ch] = pattern_begin[ch] + UBYTE(module[pattern_offset[ch]]);
|
|
continue;
|
|
}
|
|
/* assert(i == 0xff); */
|
|
pattern_rows = -1;
|
|
break;
|
|
}
|
|
if (pattern_rows < 0)
|
|
break;
|
|
}
|
|
if (pattern_rows >= 0)
|
|
frames += tempo;
|
|
}
|
|
pos++;
|
|
}
|
|
instrument_frames = 0;
|
|
for (ch = 0; ch < 1 << pos_shift; ch++) {
|
|
int frame = instrument_frame[ch];
|
|
frame += rmt_instrument_frames(module, instrument_no[ch], volume_value[ch], volume_frame[ch] - frame, ch >= 4);
|
|
if (instrument_frames < frame)
|
|
instrument_frames = frame;
|
|
}
|
|
if (frames > instrument_frames) {
|
|
if (frames - instrument_frames > 100)
|
|
MODULE_INFO loops[MODULE_INFO songs] = FALSE;
|
|
frames = instrument_frames;
|
|
}
|
|
if (frames > 0)
|
|
set_song_duration(module_info, frames);
|
|
}
|
|
|
|
FILE_FUNC abool parse_rmt(ASAP_State PTR ast, ASAP_ModuleInfo PTR module_info,
|
|
const byte ARRAY module, int module_len)
|
|
{
|
|
int per_frame;
|
|
int pos_shift;
|
|
int song_len;
|
|
int pos;
|
|
NEW_ARRAY(abool, global_seen, 256);
|
|
if (module_len < 0x30 || module[6] != 'R' || module[7] != 'M'
|
|
|| module[8] != 'T' || module[0xd] != 1)
|
|
return FALSE;
|
|
switch ((char) module[9]) {
|
|
case '4':
|
|
pos_shift = 2;
|
|
break;
|
|
case '8':
|
|
MODULE_INFO channels = 2;
|
|
pos_shift = 3;
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
per_frame = module[0xc];
|
|
if (per_frame < 1 || per_frame > 4)
|
|
return FALSE;
|
|
MODULE_INFO type = 'r';
|
|
if (!load_native(ast, module_info, module, module_len,
|
|
MODULE_INFO channels == 2 ? GET_OBX(rmt8) : GET_OBX(rmt4)))
|
|
return FALSE;
|
|
song_len = UBYTE(module[4]) + (UBYTE(module[5]) << 8) + 1
|
|
- UBYTE(module[0x14]) - (UBYTE(module[0x15]) << 8);
|
|
if (pos_shift == 3 && (song_len & 4) != 0
|
|
&& UBYTE(module[6 + UBYTE(module[4]) + (UBYTE(module[5]) << 8)
|
|
- UBYTE(module[2]) - (UBYTE(module[3]) << 8) - 3]) == 0xfe)
|
|
song_len += 4;
|
|
song_len >>= pos_shift;
|
|
if (song_len >= 0x100)
|
|
return FALSE;
|
|
INIT_ARRAY(global_seen);
|
|
MODULE_INFO songs = 0;
|
|
for (pos = 0; pos < song_len && MODULE_INFO songs < MAX_SONGS; pos++) {
|
|
if (!global_seen[pos]) {
|
|
MODULE_INFO song_pos[MODULE_INFO songs] = (byte) pos;
|
|
parse_rmt_song(module_info, module, global_seen, song_len, pos_shift, pos);
|
|
}
|
|
}
|
|
/* must set fastplay after song durations calculations, so they assume 312 */
|
|
MODULE_INFO fastplay = perframe2fastplay[per_frame - 1];
|
|
MODULE_INFO player = 0x600;
|
|
return MODULE_INFO songs != 0;
|
|
}
|
|
|
|
FILE_FUNC void parse_tmc_song(ASAP_ModuleInfo PTR module_info, const byte ARRAY module, int pos)
|
|
{
|
|
int addr_to_offset = UBYTE(module[2]) + (UBYTE(module[3]) << 8) - 6;
|
|
int tempo = UBYTE(module[0x24]) + 1;
|
|
int frames = 0;
|
|
NEW_ARRAY(int, pattern_offset, 8);
|
|
NEW_ARRAY(int, blank_rows, 8);
|
|
while (UBYTE(module[0x1a6 + 15 + pos]) < 0x80) {
|
|
int ch;
|
|
int pattern_rows;
|
|
for (ch = 7; ch >= 0; ch--) {
|
|
int pat = UBYTE(module[0x1a6 + 15 + pos - 2 * ch]);
|
|
pattern_offset[ch] = UBYTE(module[0xa6 + pat]) + (UBYTE(module[0x126 + pat]) << 8) - addr_to_offset;
|
|
blank_rows[ch] = 0;
|
|
}
|
|
for (pattern_rows = 64; --pattern_rows >= 0; ) {
|
|
for (ch = 7; ch >= 0; ch--) {
|
|
if (--blank_rows[ch] >= 0)
|
|
continue;
|
|
for (;;) {
|
|
int i = UBYTE(module[pattern_offset[ch]++]);
|
|
if (i < 0x40) {
|
|
pattern_offset[ch]++;
|
|
break;
|
|
}
|
|
if (i == 0x40) {
|
|
i = UBYTE(module[pattern_offset[ch]++]);
|
|
if ((i & 0x7f) == 0)
|
|
pattern_rows = 0;
|
|
else
|
|
tempo = (i & 0x7f) + 1;
|
|
if (i >= 0x80)
|
|
pattern_offset[ch]++;
|
|
break;
|
|
}
|
|
if (i < 0x80) {
|
|
i = module[pattern_offset[ch]++] & 0x7f;
|
|
if (i == 0)
|
|
pattern_rows = 0;
|
|
else
|
|
tempo = i + 1;
|
|
pattern_offset[ch]++;
|
|
break;
|
|
}
|
|
if (i < 0xc0)
|
|
continue;
|
|
blank_rows[ch] = i - 0xbf;
|
|
break;
|
|
}
|
|
}
|
|
frames += tempo;
|
|
}
|
|
pos += 16;
|
|
}
|
|
if (UBYTE(module[0x1a6 + 14 + pos]) < 0x80)
|
|
MODULE_INFO loops[MODULE_INFO songs] = TRUE;
|
|
set_song_duration(module_info, frames);
|
|
}
|
|
|
|
FILE_FUNC abool parse_tmc(ASAP_State PTR ast, ASAP_ModuleInfo PTR module_info,
|
|
const byte ARRAY module, int module_len)
|
|
{
|
|
int i;
|
|
int last_pos;
|
|
if (module_len < 0x1d0)
|
|
return FALSE;
|
|
MODULE_INFO type = 't';
|
|
if (!load_native(ast, module_info, module, module_len, GET_OBX(tmc)))
|
|
return FALSE;
|
|
MODULE_INFO channels = 2;
|
|
i = 0;
|
|
/* find first instrument */
|
|
while (module[0x66 + i] == 0) {
|
|
if (++i >= 64)
|
|
return FALSE; /* no instrument */
|
|
}
|
|
last_pos = (UBYTE(module[0x66 + i]) << 8) + UBYTE(module[0x26 + i])
|
|
- UBYTE(module[2]) - (UBYTE(module[3]) << 8) - 0x1b0;
|
|
if (0x1b5 + last_pos >= module_len)
|
|
return FALSE;
|
|
/* skip trailing jumps */
|
|
do {
|
|
if (last_pos <= 0)
|
|
return FALSE; /* no pattern to play */
|
|
last_pos -= 16;
|
|
} while (UBYTE(module[0x1b5 + last_pos]) >= 0x80);
|
|
MODULE_INFO songs = 0;
|
|
parse_tmc_song(module_info, module, 0);
|
|
for (i = 0; i < last_pos && MODULE_INFO songs < MAX_SONGS; i += 16)
|
|
if (UBYTE(module[0x1b5 + i]) >= 0x80)
|
|
parse_tmc_song(module_info, module, i + 16);
|
|
/* must set fastplay after song durations calculations, so they assume 312 */
|
|
i = module[0x25];
|
|
if (i < 1 || i > 4)
|
|
return FALSE;
|
|
if (ast != NULL)
|
|
AST tmc_per_frame = module[0x25];
|
|
MODULE_INFO fastplay = perframe2fastplay[i - 1];
|
|
return TRUE;
|
|
}
|
|
|
|
FILE_FUNC void parse_tm2_song(ASAP_ModuleInfo PTR module_info, const byte ARRAY module, int pos)
|
|
{
|
|
int addr_to_offset = UBYTE(module[2]) + (UBYTE(module[3]) << 8) - 6;
|
|
int tempo = UBYTE(module[0x24]) + 1;
|
|
int player_calls = 0;
|
|
NEW_ARRAY(int, pattern_offset, 8);
|
|
NEW_ARRAY(int, blank_rows, 8);
|
|
for (;;) {
|
|
int ch;
|
|
int pattern_rows = UBYTE(module[0x386 + 16 + pos]);
|
|
if (pattern_rows == 0)
|
|
break;
|
|
if (pattern_rows >= 0x80) {
|
|
MODULE_INFO loops[MODULE_INFO songs] = TRUE;
|
|
break;
|
|
}
|
|
for (ch = 7; ch >= 0; ch--) {
|
|
int pat = UBYTE(module[0x386 + 15 + pos - 2 * ch]);
|
|
pattern_offset[ch] = UBYTE(module[0x106 + pat]) + (UBYTE(module[0x206 + pat]) << 8) - addr_to_offset;
|
|
blank_rows[ch] = 0;
|
|
}
|
|
while (--pattern_rows >= 0) {
|
|
for (ch = 7; ch >= 0; ch--) {
|
|
if (--blank_rows[ch] >= 0)
|
|
continue;
|
|
for (;;) {
|
|
int i = UBYTE(module[pattern_offset[ch]++]);
|
|
if (i == 0) {
|
|
pattern_offset[ch]++;
|
|
break;
|
|
}
|
|
if (i < 0x40) {
|
|
if (UBYTE(module[pattern_offset[ch]++]) >= 0x80)
|
|
pattern_offset[ch]++;
|
|
break;
|
|
}
|
|
if (i < 0x80) {
|
|
pattern_offset[ch]++;
|
|
break;
|
|
}
|
|
if (i == 0x80) {
|
|
blank_rows[ch] = UBYTE(module[pattern_offset[ch]++]);
|
|
break;
|
|
}
|
|
if (i < 0xc0)
|
|
break;
|
|
if (i < 0xd0) {
|
|
tempo = i - 0xbf;
|
|
continue;
|
|
}
|
|
if (i < 0xe0) {
|
|
pattern_offset[ch]++;
|
|
break;
|
|
}
|
|
if (i < 0xf0) {
|
|
pattern_offset[ch] += 2;
|
|
break;
|
|
}
|
|
if (i < 0xff) {
|
|
blank_rows[ch] = i - 0xf0;
|
|
break;
|
|
}
|
|
blank_rows[ch] = 64;
|
|
break;
|
|
}
|
|
}
|
|
player_calls += tempo;
|
|
}
|
|
pos += 17;
|
|
}
|
|
set_song_duration(module_info, player_calls);
|
|
}
|
|
|
|
FILE_FUNC abool parse_tm2(ASAP_State PTR ast, ASAP_ModuleInfo PTR module_info,
|
|
const byte ARRAY module, int module_len)
|
|
{
|
|
int i;
|
|
int last_pos;
|
|
int c;
|
|
if (module_len < 0x3a4)
|
|
return FALSE;
|
|
MODULE_INFO type = 'T';
|
|
if (!load_native(ast, module_info, module, module_len, GET_OBX(tm2)))
|
|
return FALSE;
|
|
i = module[0x25];
|
|
if (i < 1 || i > 4)
|
|
return FALSE;
|
|
MODULE_INFO fastplay = perframe2fastplay[i - 1];
|
|
MODULE_INFO player = 0x500;
|
|
if (module[0x1f] != 0)
|
|
MODULE_INFO channels = 2;
|
|
last_pos = 0xffff;
|
|
for (i = 0; i < 0x80; i++) {
|
|
int instr_addr = UBYTE(module[0x86 + i]) + (UBYTE(module[0x306 + i]) << 8);
|
|
if (instr_addr != 0 && instr_addr < last_pos)
|
|
last_pos = instr_addr;
|
|
}
|
|
for (i = 0; i < 0x100; i++) {
|
|
int pattern_addr = UBYTE(module[0x106 + i]) + (UBYTE(module[0x206 + i]) << 8);
|
|
if (pattern_addr != 0 && pattern_addr < last_pos)
|
|
last_pos = pattern_addr;
|
|
}
|
|
last_pos -= UBYTE(module[2]) + (UBYTE(module[3]) << 8) + 0x380;
|
|
if (0x386 + last_pos >= module_len)
|
|
return FALSE;
|
|
/* skip trailing stop/jump commands */
|
|
do {
|
|
if (last_pos <= 0)
|
|
return FALSE;
|
|
last_pos -= 17;
|
|
c = UBYTE(module[0x386 + 16 + last_pos]);
|
|
} while (c == 0 || c >= 0x80);
|
|
MODULE_INFO songs = 0;
|
|
parse_tm2_song(module_info, module, 0);
|
|
for (i = 0; i < last_pos && MODULE_INFO songs < MAX_SONGS; i += 17) {
|
|
c = UBYTE(module[0x386 + 16 + i]);
|
|
if (c == 0 || c >= 0x80)
|
|
parse_tm2_song(module_info, module, i + 17);
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
#if !defined(JAVA) && !defined(CSHARP)
|
|
|
|
static abool parse_hex(int *retval, const char *p)
|
|
{
|
|
int r = 0;
|
|
do {
|
|
char c = *p;
|
|
if (r > 0xfff)
|
|
return FALSE;
|
|
r <<= 4;
|
|
if (c >= '0' && c <= '9')
|
|
r += c - '0';
|
|
else if (c >= 'A' && c <= 'F')
|
|
r += c - 'A' + 10;
|
|
else if (c >= 'a' && c <= 'f')
|
|
r += c - 'a' + 10;
|
|
else
|
|
return FALSE;
|
|
} while (*++p != '\0');
|
|
*retval = r;
|
|
return TRUE;
|
|
}
|
|
|
|
static abool parse_dec(int *retval, const char *p, int minval, int maxval)
|
|
{
|
|
int r = 0;
|
|
do {
|
|
char c = *p;
|
|
if (c >= '0' && c <= '9')
|
|
r = 10 * r + c - '0';
|
|
else
|
|
return FALSE;
|
|
if (r > maxval)
|
|
return FALSE;
|
|
} while (*++p != '\0');
|
|
if (r < minval)
|
|
return FALSE;
|
|
*retval = r;
|
|
return TRUE;
|
|
}
|
|
|
|
static abool parse_text(char *retval, const char *p)
|
|
{
|
|
int i;
|
|
if (*p != '"')
|
|
return FALSE;
|
|
p++;
|
|
if (p[0] == '<' && p[1] == '?' && p[2] == '>' && p[3] == '"')
|
|
return TRUE;
|
|
i = 0;
|
|
while (*p != '"') {
|
|
if (i >= 127)
|
|
return FALSE;
|
|
if (*p == '\0')
|
|
return FALSE;
|
|
retval[i++] = *p++;
|
|
}
|
|
retval[i] = '\0';
|
|
return TRUE;
|
|
}
|
|
|
|
int ASAP_ParseDuration(const char *s)
|
|
{
|
|
int r;
|
|
if (*s < '0' || *s > '9')
|
|
return -1;
|
|
r = *s++ - '0';
|
|
if (*s >= '0' && *s <= '9')
|
|
r = 10 * r + *s++ - '0';
|
|
if (*s == ':') {
|
|
s++;
|
|
if (*s < '0' || *s > '5')
|
|
return -1;
|
|
r = 60 * r + (*s++ - '0') * 10;
|
|
if (*s < '0' || *s > '9')
|
|
return -1;
|
|
r += *s++ - '0';
|
|
}
|
|
r *= 1000;
|
|
if (*s != '.')
|
|
return r;
|
|
s++;
|
|
if (*s < '0' || *s > '9')
|
|
return r;
|
|
r += 100 * (*s++ - '0');
|
|
if (*s < '0' || *s > '9')
|
|
return r;
|
|
r += 10 * (*s++ - '0');
|
|
if (*s < '0' || *s > '9')
|
|
return r;
|
|
r += *s - '0';
|
|
return r;
|
|
}
|
|
|
|
static char *two_digits(char *s, int x)
|
|
{
|
|
s[0] = '0' + x / 10;
|
|
s[1] = '0' + x % 10;
|
|
return s + 2;
|
|
}
|
|
|
|
void ASAP_DurationToString(char *s, int duration)
|
|
{
|
|
if (duration >= 0) {
|
|
int seconds = duration / 1000;
|
|
int minutes = seconds / 60;
|
|
s = two_digits(s, minutes);
|
|
*s++ = ':';
|
|
s = two_digits(s, seconds % 60);
|
|
duration %= 1000;
|
|
if (duration != 0) {
|
|
*s++ = '.';
|
|
s = two_digits(s, duration / 10);
|
|
duration %= 10;
|
|
if (duration != 0)
|
|
*s++ = '0' + duration;
|
|
}
|
|
}
|
|
*s = '\0';
|
|
}
|
|
|
|
#endif /* !defined(JAVA) && !defined(CSHARP) */
|
|
|
|
FILE_FUNC abool parse_sap_header(ASAP_ModuleInfo PTR module_info,
|
|
const byte ARRAY module, int module_len)
|
|
{
|
|
int module_index = 0;
|
|
abool sap_signature = FALSE;
|
|
int duration_index = 0;
|
|
for (;;) {
|
|
NEW_ARRAY(char, line, 256);
|
|
int i;
|
|
#if !defined(JAVA) && !defined(CSHARP)
|
|
char *p;
|
|
#endif
|
|
if (module_index + 8 >= module_len)
|
|
return FALSE;
|
|
if (UBYTE(module[module_index]) == 0xff)
|
|
break;
|
|
i = 0;
|
|
while (module[module_index] != 0x0d) {
|
|
line[i++] = (char) module[module_index++];
|
|
if (module_index >= module_len || (unsigned)i >= sizeof(line) - 1)
|
|
return FALSE;
|
|
}
|
|
if (++module_index >= module_len || module[module_index++] != 0x0a)
|
|
return FALSE;
|
|
|
|
#ifdef JAVA
|
|
String tag = new String(line, 0, i);
|
|
String arg = null;
|
|
i = tag.indexOf(' ');
|
|
if (i >= 0) {
|
|
arg = tag.substring(i + 1);
|
|
tag = tag.substring(0, i);
|
|
}
|
|
#define TAG_IS(t) tag.equals(t)
|
|
#define CHAR_ARG arg.charAt(0)
|
|
#define SET_HEX(v) v = Integer.parseInt(arg, 16)
|
|
#define SET_DEC(v, min, max) do { v = Integer.parseInt(arg); if (v < min || v > max) return FALSE; } while (FALSE)
|
|
#define SET_TEXT(v) v = arg.substring(1, arg.length() - 1)
|
|
#define DURATION_ARG parseDuration(arg)
|
|
#define ARG_CONTAINS(t) (arg.indexOf(t) >= 0)
|
|
#elif defined(CSHARP)
|
|
string tag = new string(line, 0, i);
|
|
string arg = null;
|
|
i = tag.IndexOf(' ');
|
|
if (i >= 0) {
|
|
arg = tag.Substring(i + 1);
|
|
tag = tag.Substring(0, i);
|
|
}
|
|
#define TAG_IS(t) tag == t
|
|
#define CHAR_ARG arg[0]
|
|
#define SET_HEX(v) v = int.Parse(arg, System.Globalization.NumberStyles.HexNumber)
|
|
#define SET_DEC(v, min, max) do { v = int.Parse(arg); if (v < min || v > max) return FALSE; } while (FALSE)
|
|
#define SET_TEXT(v) v = arg.Substring(1, arg.Length - 1)
|
|
#define DURATION_ARG ParseDuration(arg)
|
|
#define ARG_CONTAINS(t) (arg.IndexOf(t) >= 0)
|
|
#else
|
|
line[i] = '\0';
|
|
for (p = line; *p != '\0'; p++) {
|
|
if (*p == ' ') {
|
|
*p++ = '\0';
|
|
break;
|
|
}
|
|
}
|
|
#define TAG_IS(t) (strcmp(line, t) == 0)
|
|
#define CHAR_ARG *p
|
|
#define SET_HEX(v) do { if (!parse_hex(&v, p)) return FALSE; } while (FALSE)
|
|
#define SET_DEC(v, min, max) do { if (!parse_dec(&v, p, min, max)) return FALSE; } while (FALSE)
|
|
#define SET_TEXT(v) do { if (!parse_text(v, p)) return FALSE; } while (FALSE)
|
|
#define DURATION_ARG ASAP_ParseDuration(p)
|
|
#define ARG_CONTAINS(t) (strstr(p, t) != NULL)
|
|
#endif
|
|
|
|
if (TAG_IS("SAP"))
|
|
sap_signature = TRUE;
|
|
if (!sap_signature)
|
|
return FALSE;
|
|
if (TAG_IS("AUTHOR"))
|
|
SET_TEXT(MODULE_INFO author);
|
|
else if (TAG_IS("NAME"))
|
|
SET_TEXT(MODULE_INFO name);
|
|
else if (TAG_IS("DATE"))
|
|
SET_TEXT(MODULE_INFO date);
|
|
else if (TAG_IS("SONGS"))
|
|
SET_DEC(MODULE_INFO songs, 1, MAX_SONGS);
|
|
else if (TAG_IS("DEFSONG"))
|
|
SET_DEC(MODULE_INFO default_song, 0, MAX_SONGS - 1);
|
|
else if (TAG_IS("STEREO"))
|
|
MODULE_INFO channels = 2;
|
|
else if (TAG_IS("TIME")) {
|
|
int duration = DURATION_ARG;
|
|
if (duration < 0 || duration_index >= MAX_SONGS)
|
|
return FALSE;
|
|
MODULE_INFO durations[duration_index] = duration;
|
|
if (ARG_CONTAINS("LOOP"))
|
|
MODULE_INFO loops[duration_index] = TRUE;
|
|
duration_index++;
|
|
}
|
|
else if (TAG_IS("TYPE"))
|
|
MODULE_INFO type = CHAR_ARG;
|
|
else if (TAG_IS("FASTPLAY"))
|
|
SET_DEC(MODULE_INFO fastplay, 1, 312);
|
|
else if (TAG_IS("MUSIC"))
|
|
SET_HEX(MODULE_INFO music);
|
|
else if (TAG_IS("INIT"))
|
|
SET_HEX(MODULE_INFO init);
|
|
else if (TAG_IS("PLAYER"))
|
|
SET_HEX(MODULE_INFO player);
|
|
}
|
|
if (MODULE_INFO default_song >= MODULE_INFO songs)
|
|
return FALSE;
|
|
switch (MODULE_INFO type) {
|
|
case 'B':
|
|
case 'D':
|
|
if (MODULE_INFO player < 0 || MODULE_INFO init < 0)
|
|
return FALSE;
|
|
break;
|
|
case 'C':
|
|
if (MODULE_INFO player < 0 || MODULE_INFO music < 0)
|
|
return FALSE;
|
|
break;
|
|
case 'S':
|
|
if (MODULE_INFO init < 0)
|
|
return FALSE;
|
|
MODULE_INFO fastplay = 78;
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
if (UBYTE(module[module_index + 1]) != 0xff)
|
|
return FALSE;
|
|
MODULE_INFO header_len = module_index;
|
|
return TRUE;
|
|
}
|
|
|
|
FILE_FUNC abool parse_sap(ASAP_State PTR ast, ASAP_ModuleInfo PTR module_info,
|
|
const byte ARRAY module, int module_len)
|
|
{
|
|
int module_index;
|
|
if (!parse_sap_header(module_info, module, module_len))
|
|
return FALSE;
|
|
if (ast == NULL)
|
|
return TRUE;
|
|
ZERO_ARRAY(AST memory);
|
|
module_index = MODULE_INFO header_len + 2;
|
|
while (module_index + 5 <= module_len) {
|
|
int start_addr = UBYTE(module[module_index]) + (UBYTE(module[module_index + 1]) << 8);
|
|
int block_len = UBYTE(module[module_index + 2]) + (UBYTE(module[module_index + 3]) << 8) + 1 - start_addr;
|
|
if (block_len <= 0 || module_index + block_len > module_len)
|
|
return FALSE;
|
|
module_index += 4;
|
|
COPY_ARRAY(AST memory, start_addr, module, module_index, block_len);
|
|
module_index += block_len;
|
|
if (module_index == module_len)
|
|
return TRUE;
|
|
if (module_index + 7 <= module_len
|
|
&& UBYTE(module[module_index]) == 0xff && UBYTE(module[module_index + 1]) == 0xff)
|
|
module_index += 2;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
#define ASAP_EXT(c1, c2, c3) (((c1) + ((c2) << 8) + ((c3) << 16)) | 0x202020)
|
|
|
|
FILE_FUNC int get_packed_ext(STRING filename)
|
|
{
|
|
#ifdef JAVA
|
|
int i = filename.length();
|
|
int ext = 0;
|
|
while (--i > 0) {
|
|
if (filename.charAt(i) == '.')
|
|
return ext | 0x202020;
|
|
ext = (ext << 8) + filename.charAt(i);
|
|
}
|
|
return 0;
|
|
#elif defined(CSHARP)
|
|
int i = filename.Length;
|
|
int ext = 0;
|
|
while (--i > 0) {
|
|
if (filename[i] == '.')
|
|
return ext | 0x202020;
|
|
ext = (ext << 8) + filename[i];
|
|
}
|
|
return 0;
|
|
#else
|
|
const char *p;
|
|
int ext;
|
|
for (p = filename; *p != '\0'; p++);
|
|
ext = 0;
|
|
for (;;) {
|
|
if (--p <= filename || *p <= ' ')
|
|
return 0; /* no filename extension or invalid character */
|
|
if (*p == '.')
|
|
return ext | 0x202020;
|
|
ext = (ext << 8) + (*p & 0xff);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
FILE_FUNC abool is_our_ext(int ext)
|
|
{
|
|
switch (ext) {
|
|
case ASAP_EXT('C', 'M', 'C'):
|
|
case ASAP_EXT('C', 'M', 'R'):
|
|
case ASAP_EXT('D', 'M', 'C'):
|
|
case ASAP_EXT('M', 'P', 'D'):
|
|
case ASAP_EXT('M', 'P', 'T'):
|
|
case ASAP_EXT('R', 'M', 'T'):
|
|
case ASAP_EXT('S', 'A', 'P'):
|
|
case ASAP_EXT('T', 'M', '2'):
|
|
case ASAP_EXT('T', 'M', '8'):
|
|
case ASAP_EXT('T', 'M', 'C'):
|
|
return TRUE;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
ASAP_FUNC abool ASAP_IsOurFile(STRING filename)
|
|
{
|
|
int ext = get_packed_ext(filename);
|
|
return is_our_ext(ext);
|
|
}
|
|
|
|
ASAP_FUNC abool ASAP_IsOurExt(STRING ext)
|
|
{
|
|
#ifdef JAVA
|
|
return ext.length() == 3
|
|
&& is_our_ext(ASAP_EXT(ext.charAt(0), ext.charAt(1), ext.charAt(2)));
|
|
#else
|
|
return ext[0] > ' ' && ext[1] > ' ' && ext[2] > ' ' && ext[3] == '\0'
|
|
&& is_our_ext(ASAP_EXT(ext[0], ext[1], ext[2]));
|
|
#endif
|
|
}
|
|
|
|
FILE_FUNC abool parse_file(ASAP_State PTR ast, ASAP_ModuleInfo PTR module_info,
|
|
STRING filename, const byte ARRAY module, int module_len)
|
|
{
|
|
int i;
|
|
#ifdef JAVA
|
|
int basename = 0;
|
|
int ext = -1;
|
|
for (i = 0; i < filename.length(); i++) {
|
|
int c = filename.charAt(i);
|
|
if (c == '/' || c == '\\')
|
|
basename = i + 1;
|
|
else if (c == '.')
|
|
ext = i;
|
|
}
|
|
if (ext < 0)
|
|
ext = i;
|
|
module_info.author = "";
|
|
module_info.name = filename.substring(basename, ext);
|
|
module_info.date = "";
|
|
#elif defined(CSHARP)
|
|
int basename = 0;
|
|
int ext = -1;
|
|
for (i = 0; i < filename.Length; i++) {
|
|
int c = filename[i];
|
|
if (c == '/' || c == '\\')
|
|
basename = i + 1;
|
|
else if (c == '.')
|
|
ext = i;
|
|
}
|
|
if (ext < 0)
|
|
ext = i;
|
|
module_info.author = string.Empty;
|
|
module_info.name = filename.Substring(basename, ext - basename);
|
|
module_info.date = string.Empty;
|
|
#else
|
|
const char *p;
|
|
const char *basename = filename;
|
|
const char *ext = NULL;
|
|
for (p = filename; *p != '\0'; p++) {
|
|
if (*p == '/' || *p == '\\')
|
|
basename = p + 1;
|
|
else if (*p == '.')
|
|
ext = p;
|
|
}
|
|
if (ext == NULL)
|
|
ext = p;
|
|
module_info->author[0] = '\0';
|
|
i = ext - basename;
|
|
memcpy(module_info->name, basename, i);
|
|
module_info->name[i] = '\0';
|
|
module_info->date[0] = '\0';
|
|
#endif
|
|
MODULE_INFO channels = 1;
|
|
MODULE_INFO songs = 1;
|
|
MODULE_INFO default_song = 0;
|
|
for (i = 0; i < MAX_SONGS; i++) {
|
|
MODULE_INFO durations[i] = -1;
|
|
MODULE_INFO loops[i] = FALSE;
|
|
}
|
|
MODULE_INFO type = '?';
|
|
MODULE_INFO fastplay = 312;
|
|
MODULE_INFO music = -1;
|
|
MODULE_INFO init = -1;
|
|
MODULE_INFO player = -1;
|
|
switch (get_packed_ext(filename)) {
|
|
case ASAP_EXT('C', 'M', 'C'):
|
|
return parse_cmc(ast, module_info, module, module_len, FALSE);
|
|
case ASAP_EXT('C', 'M', 'R'):
|
|
return parse_cmc(ast, module_info, module, module_len, TRUE);
|
|
case ASAP_EXT('D', 'M', 'C'):
|
|
MODULE_INFO fastplay = 156;
|
|
return parse_cmc(ast, module_info, module, module_len, FALSE);
|
|
case ASAP_EXT('M', 'P', 'D'):
|
|
MODULE_INFO fastplay = 156;
|
|
return parse_mpt(ast, module_info, module, module_len);
|
|
case ASAP_EXT('M', 'P', 'T'):
|
|
return parse_mpt(ast, module_info, module, module_len);
|
|
case ASAP_EXT('R', 'M', 'T'):
|
|
return parse_rmt(ast, module_info, module, module_len);
|
|
case ASAP_EXT('S', 'A', 'P'):
|
|
return parse_sap(ast, module_info, module, module_len);
|
|
case ASAP_EXT('T', 'M', '2'):
|
|
return parse_tm2(ast, module_info, module, module_len);
|
|
case ASAP_EXT('T', 'M', '8'):
|
|
case ASAP_EXT('T', 'M', 'C'):
|
|
return parse_tmc(ast, module_info, module, module_len);
|
|
default:
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
ASAP_FUNC abool ASAP_GetModuleInfo(ASAP_ModuleInfo PTR module_info, STRING filename,
|
|
const byte ARRAY module, int module_len)
|
|
{
|
|
return parse_file(NULL, module_info, filename, module, module_len);
|
|
}
|
|
|
|
ASAP_FUNC abool ASAP_Load(ASAP_State PTR ast, STRING filename,
|
|
const byte ARRAY module, int module_len)
|
|
{
|
|
AST silence_cycles = 0;
|
|
return parse_file(ast, ADDRESSOF AST module_info, filename, module, module_len);
|
|
}
|
|
|
|
ASAP_FUNC void ASAP_DetectSilence(ASAP_State PTR ast, int seconds)
|
|
{
|
|
AST silence_cycles = seconds * ASAP_MAIN_CLOCK;
|
|
}
|
|
|
|
FILE_FUNC void call_6502(ASAP_State PTR ast, int addr, int max_scanlines)
|
|
{
|
|
AST cpu_pc = addr;
|
|
/* put a CIM at 0xd20a and a return address on stack */
|
|
dPutByte(0xd20a, 0xd2);
|
|
dPutByte(0x01fe, 0x09);
|
|
dPutByte(0x01ff, 0xd2);
|
|
AST cpu_s = 0xfd;
|
|
Cpu_RunScanlines(ast, max_scanlines);
|
|
}
|
|
|
|
/* 50 Atari frames for the initialization routine - some SAPs are self-extracting. */
|
|
#define SCANLINES_FOR_INIT (50 * 312)
|
|
|
|
FILE_FUNC void call_6502_init(ASAP_State PTR ast, int addr, int a, int x, int y)
|
|
{
|
|
AST cpu_a = a & 0xff;
|
|
AST cpu_x = x & 0xff;
|
|
AST cpu_y = y & 0xff;
|
|
call_6502(ast, addr, SCANLINES_FOR_INIT);
|
|
}
|
|
|
|
ASAP_FUNC void ASAP_PlaySong(ASAP_State PTR ast, int song, int duration)
|
|
{
|
|
AST current_song = song;
|
|
AST current_duration = duration;
|
|
AST blocks_played = 0;
|
|
AST silence_cycles_counter = AST silence_cycles;
|
|
AST extra_pokey_mask = AST module_info.channels > 1 ? 0x10 : 0;
|
|
PokeySound_Initialize(ast);
|
|
AST cycle = 0;
|
|
AST cpu_nz = 0;
|
|
AST cpu_c = 0;
|
|
AST cpu_vdi = 0;
|
|
AST scanline_number = 0;
|
|
AST next_scanline_cycle = 0;
|
|
AST timer1_cycle = NEVER;
|
|
AST timer2_cycle = NEVER;
|
|
AST timer4_cycle = NEVER;
|
|
AST irqst = 0xff;
|
|
switch (AST module_info.type) {
|
|
case 'B':
|
|
call_6502_init(ast, AST module_info.init, song, 0, 0);
|
|
break;
|
|
case 'C':
|
|
case 'c':
|
|
case 'z':
|
|
call_6502_init(ast, AST module_info.player + 3, 0x70, AST module_info.music, AST module_info.music >> 8);
|
|
call_6502_init(ast, AST module_info.player + 3, 0x00, song, 0);
|
|
break;
|
|
case 'D':
|
|
case 'S':
|
|
AST cpu_a = song;
|
|
AST cpu_x = 0x00;
|
|
AST cpu_y = 0x00;
|
|
AST cpu_s = 0xff;
|
|
AST cpu_pc = AST module_info.init;
|
|
break;
|
|
case 'm':
|
|
call_6502_init(ast, AST module_info.player, 0x00, AST module_info.music >> 8, AST module_info.music);
|
|
call_6502_init(ast, AST module_info.player, 0x02, AST module_info.song_pos[song], 0);
|
|
break;
|
|
case 'r':
|
|
call_6502_init(ast, AST module_info.player, AST module_info.song_pos[song], AST module_info.music, AST module_info.music >> 8);
|
|
break;
|
|
case 't':
|
|
case 'T':
|
|
call_6502_init(ast, AST module_info.player, 0x70, AST module_info.music >> 8, AST module_info.music);
|
|
call_6502_init(ast, AST module_info.player, 0x00, song, 0);
|
|
AST tmc_per_frame_counter = 1;
|
|
break;
|
|
}
|
|
ASAP_MutePokeyChannels(ast, 0);
|
|
}
|
|
|
|
ASAP_FUNC void ASAP_MutePokeyChannels(ASAP_State PTR ast, int mask)
|
|
{
|
|
PokeySound_Mute(ast, ADDRESSOF AST base_pokey, mask);
|
|
PokeySound_Mute(ast, ADDRESSOF AST extra_pokey, mask >> 4);
|
|
}
|
|
|
|
ASAP_FUNC abool call_6502_player(ASAP_State PTR ast)
|
|
{
|
|
int s;
|
|
PokeySound_StartFrame(ast);
|
|
switch (AST module_info.type) {
|
|
case 'B':
|
|
call_6502(ast, AST module_info.player, AST module_info.fastplay);
|
|
break;
|
|
case 'C':
|
|
case 'c':
|
|
case 'z':
|
|
call_6502(ast, AST module_info.player + 6, AST module_info.fastplay);
|
|
break;
|
|
case 'D':
|
|
s = AST cpu_s;
|
|
#define PUSH_ON_6502_STACK(x) dPutByte(0x100 + s, x); s = (s - 1) & 0xff
|
|
#define RETURN_FROM_PLAYER_ADDR 0xd200
|
|
/* save 6502 state on 6502 stack */
|
|
PUSH_ON_6502_STACK(AST cpu_pc >> 8);
|
|
PUSH_ON_6502_STACK(AST cpu_pc & 0xff);
|
|
PUSH_ON_6502_STACK(((AST cpu_nz | (AST cpu_nz >> 1)) & 0x80) + AST cpu_vdi + \
|
|
((AST cpu_nz & 0xff) == 0 ? Z_FLAG : 0) + AST cpu_c + 0x20);
|
|
PUSH_ON_6502_STACK(AST cpu_a);
|
|
PUSH_ON_6502_STACK(AST cpu_x);
|
|
PUSH_ON_6502_STACK(AST cpu_y);
|
|
/* RTS will jump to 6502 code that restores the state */
|
|
PUSH_ON_6502_STACK((RETURN_FROM_PLAYER_ADDR - 1) >> 8);
|
|
PUSH_ON_6502_STACK((RETURN_FROM_PLAYER_ADDR - 1) & 0xff);
|
|
AST cpu_s = s;
|
|
dPutByte(RETURN_FROM_PLAYER_ADDR, 0x68); /* PLA */
|
|
dPutByte(RETURN_FROM_PLAYER_ADDR + 1, 0xa8); /* TAY */
|
|
dPutByte(RETURN_FROM_PLAYER_ADDR + 2, 0x68); /* PLA */
|
|
dPutByte(RETURN_FROM_PLAYER_ADDR + 3, 0xaa); /* TAX */
|
|
dPutByte(RETURN_FROM_PLAYER_ADDR + 4, 0x68); /* PLA */
|
|
dPutByte(RETURN_FROM_PLAYER_ADDR + 5, 0x40); /* RTI */
|
|
AST cpu_pc = AST module_info.player;
|
|
Cpu_RunScanlines(ast, AST module_info.fastplay);
|
|
break;
|
|
case 'S':
|
|
Cpu_RunScanlines(ast, AST module_info.fastplay);
|
|
{
|
|
int i = dGetByte(0x45) - 1;
|
|
dPutByte(0x45, i);
|
|
if (i == 0)
|
|
dPutByte(0xb07b, dGetByte(0xb07b) + 1);
|
|
}
|
|
break;
|
|
case 'm':
|
|
case 'r':
|
|
case 'T':
|
|
call_6502(ast, AST module_info.player + 3, AST module_info.fastplay);
|
|
break;
|
|
case 't':
|
|
if (--AST tmc_per_frame_counter <= 0) {
|
|
AST tmc_per_frame_counter = AST tmc_per_frame;
|
|
call_6502(ast, AST module_info.player + 3, AST module_info.fastplay);
|
|
}
|
|
else
|
|
call_6502(ast, AST module_info.player + 6, AST module_info.fastplay);
|
|
break;
|
|
}
|
|
PokeySound_EndFrame(ast, AST module_info.fastplay * 114);
|
|
if (AST silence_cycles > 0) {
|
|
if (PokeySound_IsSilent(ADDRESSOF AST base_pokey)
|
|
&& PokeySound_IsSilent(ADDRESSOF AST extra_pokey)) {
|
|
AST silence_cycles_counter -= AST module_info.fastplay * 114;
|
|
if (AST silence_cycles_counter <= 0)
|
|
return FALSE;
|
|
}
|
|
else
|
|
AST silence_cycles_counter = AST silence_cycles;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
FILE_FUNC int milliseconds_to_blocks(int milliseconds)
|
|
{
|
|
return milliseconds * (ASAP_SAMPLE_RATE / 100) / 10;
|
|
}
|
|
|
|
ASAP_FUNC void ASAP_Seek(ASAP_State PTR ast, int position)
|
|
{
|
|
int block = milliseconds_to_blocks(position);
|
|
if (block < AST blocks_played)
|
|
ASAP_PlaySong(ast, AST current_song, AST current_duration);
|
|
while (AST blocks_played + AST samples - AST sample_index < block) {
|
|
AST blocks_played += AST samples - AST sample_index;
|
|
call_6502_player(ast);
|
|
}
|
|
AST sample_index += block - AST blocks_played;
|
|
AST blocks_played = block;
|
|
}
|
|
|
|
ASAP_FUNC int ASAP_Generate(ASAP_State PTR ast, VOIDPTR buffer, int buffer_len,
|
|
ASAP_SampleFormat format)
|
|
{
|
|
int block_shift;
|
|
int buffer_blocks;
|
|
int block;
|
|
if (AST silence_cycles > 0 && AST silence_cycles_counter <= 0)
|
|
return 0;
|
|
block_shift = (AST module_info.channels - 1) + (format != ASAP_FORMAT_U8 ? 1 : 0);
|
|
buffer_blocks = buffer_len >> block_shift;
|
|
if (AST current_duration > 0) {
|
|
int total_blocks = milliseconds_to_blocks(AST current_duration);
|
|
if (buffer_blocks > total_blocks - AST blocks_played)
|
|
buffer_blocks = total_blocks - AST blocks_played;
|
|
}
|
|
block = 0;
|
|
do {
|
|
int blocks = PokeySound_Generate(ast, buffer, block << block_shift, buffer_blocks - block, format);
|
|
AST blocks_played += blocks;
|
|
block += blocks;
|
|
} while (block < buffer_blocks && call_6502_player(ast));
|
|
return block << block_shift;
|
|
}
|
|
|
|
#if !defined(JAVA) && !defined(CSHARP)
|
|
|
|
abool ASAP_ChangeExt(char *filename, const char *ext)
|
|
{
|
|
char *dest = NULL;
|
|
while (*filename != '\0') {
|
|
if (*filename == '/' || *filename == '\\')
|
|
dest = NULL;
|
|
else if (*filename == '.')
|
|
dest = filename + 1;
|
|
filename++;
|
|
}
|
|
if (dest == NULL)
|
|
return FALSE;
|
|
strcpy(dest, ext);
|
|
return TRUE;
|
|
}
|
|
|
|
abool ASAP_CanSetModuleInfo(const char *filename)
|
|
{
|
|
int ext = get_packed_ext(filename);
|
|
return ext == ASAP_EXT('S', 'A', 'P');
|
|
}
|
|
|
|
static byte *put_string(byte *dest, const char *str)
|
|
{
|
|
while (*str != '\0')
|
|
*dest++ = *str++;
|
|
return dest;
|
|
}
|
|
|
|
static byte *put_dec(byte *dest, int value)
|
|
{
|
|
if (value >= 10) {
|
|
dest = put_dec(dest, value / 10);
|
|
value %= 10;
|
|
}
|
|
*dest++ = '0' + value;
|
|
return dest;
|
|
}
|
|
|
|
static byte *put_text_tag(byte *dest, const char *tag, const char *value)
|
|
{
|
|
dest = put_string(dest, tag);
|
|
*dest++ = ' ';
|
|
*dest++ = '"';
|
|
if (*value == '\0')
|
|
value = "<?>";
|
|
while (*value != '\0') {
|
|
if (*value < ' ' || *value > 'z' || *value == '"' || *value == '`')
|
|
return NULL;
|
|
*dest++ = *value++;
|
|
}
|
|
*dest++ = '"';
|
|
*dest++ = '\r';
|
|
*dest++ = '\n';
|
|
return dest;
|
|
}
|
|
|
|
static byte *put_hex_tag(byte *dest, const char *tag, int value)
|
|
{
|
|
int i;
|
|
if (value < 0)
|
|
return dest;
|
|
dest = put_string(dest, tag);
|
|
*dest++ = ' ';
|
|
for (i = 12; i >= 0; i -= 4) {
|
|
int digit = (value >> i) & 0xf;
|
|
*dest++ = (byte) (digit + (digit < 10 ? '0' : 'A' - 10));
|
|
}
|
|
*dest++ = '\r';
|
|
*dest++ = '\n';
|
|
return dest;
|
|
}
|
|
|
|
static byte *put_dec_tag(byte *dest, const char *tag, int value)
|
|
{
|
|
dest = put_string(dest, tag);
|
|
*dest++ = ' ';
|
|
dest = put_dec(dest, value);
|
|
*dest++ = '\r';
|
|
*dest++ = '\n';
|
|
return dest;
|
|
}
|
|
|
|
static byte *start_sap_header(byte *dest, const ASAP_ModuleInfo *module_info)
|
|
{
|
|
dest = put_string(dest, "SAP\r\n");
|
|
dest = put_text_tag(dest, "AUTHOR", module_info->author);
|
|
if (dest == NULL)
|
|
return NULL;
|
|
dest = put_text_tag(dest, "NAME", module_info->name);
|
|
if (dest == NULL)
|
|
return NULL;
|
|
dest = put_text_tag(dest, "DATE", module_info->date);
|
|
if (dest == NULL)
|
|
return NULL;
|
|
if (module_info->songs > 1) {
|
|
dest = put_dec_tag(dest, "SONGS", module_info->songs);
|
|
if (module_info->default_song > 0)
|
|
dest = put_dec_tag(dest, "DEFSONG", module_info->default_song);
|
|
}
|
|
if (module_info->channels > 1)
|
|
dest = put_string(dest, "STEREO\r\n");
|
|
return dest;
|
|
}
|
|
|
|
static byte *put_durations(byte *dest, const ASAP_ModuleInfo *module_info)
|
|
{
|
|
int song;
|
|
for (song = 0; song < module_info->songs; song++) {
|
|
if (module_info->durations[song] < 0)
|
|
break;
|
|
dest = put_string(dest, "TIME ");
|
|
ASAP_DurationToString((char *) dest, module_info->durations[song]);
|
|
while (*dest != '\0')
|
|
dest++;
|
|
if (module_info->loops[song])
|
|
dest = put_string(dest, " LOOP");
|
|
*dest++ = '\r';
|
|
*dest++ = '\n';
|
|
}
|
|
return dest;
|
|
}
|
|
|
|
static byte *put_sap_header(byte *dest, const ASAP_ModuleInfo *module_info, char type, int music, int init, int player)
|
|
{
|
|
dest = start_sap_header(dest, module_info);
|
|
if (dest == NULL)
|
|
return NULL;
|
|
dest = put_string(dest, "TYPE ");
|
|
*dest++ = type;
|
|
*dest++ = '\r';
|
|
*dest++ = '\n';
|
|
if (module_info->fastplay != 312)
|
|
dest = put_dec_tag(dest, "FASTPLAY", module_info->fastplay);
|
|
dest = put_hex_tag(dest, "MUSIC", music);
|
|
dest = put_hex_tag(dest, "INIT", init);
|
|
dest = put_hex_tag(dest, "PLAYER", player);
|
|
dest = put_durations(dest, module_info);
|
|
return dest;
|
|
}
|
|
|
|
int ASAP_SetModuleInfo(const ASAP_ModuleInfo *module_info, const byte ARRAY module,
|
|
int module_len, byte ARRAY out_module)
|
|
{
|
|
byte *dest;
|
|
int i;
|
|
if (memcmp(module, "SAP\r\n", 5) != 0)
|
|
return -1;
|
|
dest = start_sap_header(out_module, module_info);
|
|
if (dest == NULL)
|
|
return -1;
|
|
i = 5;
|
|
while (i < module_len && module[i] != 0xff) {
|
|
if (memcmp(module + i, "AUTHOR ", 7) == 0
|
|
|| memcmp(module + i, "NAME ", 5) == 0
|
|
|| memcmp(module + i, "DATE ", 5) == 0
|
|
|| memcmp(module + i, "SONGS ", 6) == 0
|
|
|| memcmp(module + i, "DEFSONG ", 8) == 0
|
|
|| memcmp(module + i, "STEREO", 6) == 0
|
|
|| memcmp(module + i, "TIME ", 5) == 0) {
|
|
while (i < module_len && module[i++] != 0x0a);
|
|
}
|
|
else {
|
|
int b;
|
|
do {
|
|
b = module[i++];
|
|
*dest++ = b;
|
|
} while (i < module_len && b != 0x0a);
|
|
}
|
|
}
|
|
dest = put_durations(dest, module_info);
|
|
module_len -= i;
|
|
memcpy(dest, module + i, module_len);
|
|
dest += module_len;
|
|
return dest - out_module;
|
|
}
|
|
|
|
#define RMT_INIT 0x0c80
|
|
#define TM2_INIT 0x1080
|
|
|
|
const char *ASAP_CanConvert(const char *filename, const ASAP_ModuleInfo *module_info,
|
|
const byte ARRAY module, int module_len)
|
|
{
|
|
(void)filename;
|
|
switch (module_info->type) {
|
|
case 'B':
|
|
if (module_info->init == 0x4f3 || module_info->init == 0xf4f3 || module_info->init == 0x4ef)
|
|
return module_info->fastplay == 156 ? "mpd" : "mpt";
|
|
if (module_info->init == RMT_INIT)
|
|
return "rmt";
|
|
if ((module_info->init == 0x4f5 || module_info->init == 0xf4f5 || module_info->init == 0x4f2)
|
|
|| ((module_info->init == 0x4e7 || module_info->init == 0xf4e7 || module_info->init == 0x4e4) && module_info->fastplay == 156)
|
|
|| ((module_info->init == 0x4e5 || module_info->init == 0xf4e5 || module_info->init == 0x4e2) && (module_info->fastplay == 104 || module_info->fastplay == 78)))
|
|
return "tmc";
|
|
if (module_info->init == TM2_INIT)
|
|
return "tm2";
|
|
break;
|
|
case 'C':
|
|
if (module_info->player == 0x500 || module_info->player == 0xf500) {
|
|
if (module_info->fastplay == 156)
|
|
return "dmc";
|
|
return module[module_len - 170] == 0x1e ? "cmr" : "cmc";
|
|
}
|
|
break;
|
|
case 'c':
|
|
case 'z':
|
|
case 'm':
|
|
case 'r':
|
|
case 't':
|
|
case 'T':
|
|
return "sap";
|
|
default:
|
|
break;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int ASAP_Convert(const char *filename, const ASAP_ModuleInfo *module_info,
|
|
const byte ARRAY module, int module_len, byte ARRAY out_module)
|
|
{
|
|
(void) filename;
|
|
int out_len;
|
|
byte *dest;
|
|
int addr;
|
|
int player;
|
|
static const int tmc_player[4] = { 3, -9, -10, -10 };
|
|
static const int tmc_init[4] = { -14, -16, -17, -17 };
|
|
switch (module_info->type) {
|
|
case 'B':
|
|
case 'C':
|
|
out_len = module[module_info->header_len + 4] + (module[module_info->header_len + 5] << 8)
|
|
- module[module_info->header_len + 2] - (module[module_info->header_len + 3] << 8) + 7;
|
|
if (out_len < 7 || module_info->header_len + out_len >= module_len)
|
|
return -1;
|
|
memcpy(out_module, module + module_info->header_len, out_len);
|
|
return out_len;
|
|
case 'c':
|
|
case 'z':
|
|
dest = put_sap_header(out_module, module_info, 'C', module_info->music, -1, module_info->player);
|
|
if (dest == NULL)
|
|
return -1;
|
|
memcpy(dest, module, module_len);
|
|
dest += module_len;
|
|
memcpy(dest, cmc_obx + 2, sizeof(cmc_obx) - 2);
|
|
if (module_info->type == 'z')
|
|
memcpy(dest + 4 + CMR_BASS_TABLE_OFFSET, cmr_bass_table, sizeof(cmr_bass_table));
|
|
dest += sizeof(cmc_obx) - 2;
|
|
return dest - out_module;
|
|
case 'm':
|
|
if (module_info->songs != 1) {
|
|
addr = module_info->player - 17 - module_info->songs;
|
|
dest = put_sap_header(out_module, module_info, 'B', -1, module_info->player - 17, module_info->player + 3);
|
|
}
|
|
else {
|
|
addr = module_info->player - 13;
|
|
dest = put_sap_header(out_module, module_info, 'B', -1, addr, module_info->player + 3);
|
|
}
|
|
if (dest == NULL)
|
|
return -1;
|
|
memcpy(dest, module, module_len);
|
|
dest += module_len;
|
|
*dest++ = (byte) addr;
|
|
*dest++ = (byte) (addr >> 8);
|
|
*dest++ = mpt_obx[4];
|
|
*dest++ = mpt_obx[5];
|
|
if (module_info->songs != 1) {
|
|
memcpy(dest, module_info->song_pos, module_info->songs);
|
|
dest += module_info->songs;
|
|
*dest++ = 0x48; /* pha */
|
|
}
|
|
*dest++ = 0xa0; /* ldy #<music */
|
|
*dest++ = (byte) module_info->music;
|
|
*dest++ = 0xa2; /* ldx #>music */
|
|
*dest++ = (byte) (module_info->music >> 8);
|
|
*dest++ = 0xa9; /* lda #0 */
|
|
*dest++ = 0;
|
|
*dest++ = 0x20; /* jsr player */
|
|
*dest++ = (byte) module_info->player;
|
|
*dest++ = (byte) (module_info->player >> 8);
|
|
if (module_info->songs != 1) {
|
|
*dest++ = 0x68; /* pla */
|
|
*dest++ = 0xa8; /* tay */
|
|
*dest++ = 0xbe; /* ldx song2pos,y */
|
|
*dest++ = (byte) addr;
|
|
*dest++ = (byte) (addr >> 8);
|
|
}
|
|
else {
|
|
*dest++ = 0xa2; /* ldx #0 */
|
|
*dest++ = 0;
|
|
}
|
|
*dest++ = 0xa9; /* lda #2 */
|
|
*dest++ = 2;
|
|
memcpy(dest, mpt_obx + 6, sizeof(mpt_obx) - 6);
|
|
dest += sizeof(mpt_obx) - 6;
|
|
return dest - out_module;
|
|
case 'r':
|
|
dest = put_sap_header(out_module, module_info, 'B', -1, RMT_INIT, module_info->player + 3);
|
|
if (dest == NULL)
|
|
return -1;
|
|
memcpy(dest, module, module_len);
|
|
dest += module_len;
|
|
*dest++ = (byte) RMT_INIT;
|
|
*dest++ = (byte) (RMT_INIT >> 8);
|
|
if (module_info->songs != 1) {
|
|
addr = RMT_INIT + 10 + module_info->songs;
|
|
*dest++ = (byte) addr;
|
|
*dest++ = (byte) (addr >> 8);
|
|
*dest++ = 0xa8; /* tay */
|
|
*dest++ = 0xb9; /* lda song2pos,y */
|
|
*dest++ = (byte) (RMT_INIT + 11);
|
|
*dest++ = (byte) ((RMT_INIT + 11) >> 8);
|
|
}
|
|
else {
|
|
*dest++ = (byte) (RMT_INIT + 8);
|
|
*dest++ = (byte) ((RMT_INIT + 8) >> 8);
|
|
*dest++ = 0xa9; /* lda #0 */
|
|
*dest++ = 0;
|
|
}
|
|
*dest++ = 0xa2; /* ldx #<music */
|
|
*dest++ = (byte) module_info->music;
|
|
*dest++ = 0xa0; /* ldy #>music */
|
|
*dest++ = (byte) (module_info->music >> 8);
|
|
*dest++ = 0x4c; /* jmp player */
|
|
*dest++ = (byte) module_info->player;
|
|
*dest++ = (byte) (module_info->player >> 8);
|
|
if (module_info->songs != 1) {
|
|
memcpy(dest, module_info->song_pos, module_info->songs);
|
|
dest += module_info->songs;
|
|
}
|
|
if (module_info->channels == 1) {
|
|
memcpy(dest, rmt4_obx + 2, sizeof(rmt4_obx) - 2);
|
|
dest += sizeof(rmt4_obx) - 2;
|
|
}
|
|
else {
|
|
memcpy(dest, rmt8_obx + 2, sizeof(rmt8_obx) - 2);
|
|
dest += sizeof(rmt8_obx) - 2;
|
|
}
|
|
return dest - out_module;
|
|
case 't':
|
|
player = module_info->player + tmc_player[module[0x25] - 1];
|
|
addr = player + tmc_init[module[0x25] - 1];
|
|
if (module_info->songs != 1)
|
|
addr -= 3;
|
|
dest = put_sap_header(out_module, module_info, 'B', -1, addr, player);
|
|
if (dest == NULL)
|
|
return -1;
|
|
memcpy(dest, module, module_len);
|
|
dest += module_len;
|
|
*dest++ = (byte) addr;
|
|
*dest++ = (byte) (addr >> 8);
|
|
*dest++ = tmc_obx[4];
|
|
*dest++ = tmc_obx[5];
|
|
if (module_info->songs != 1)
|
|
*dest++ = 0x48; /* pha */
|
|
*dest++ = 0xa0; /* ldy #<music */
|
|
*dest++ = (byte) module_info->music;
|
|
*dest++ = 0xa2; /* ldx #>music */
|
|
*dest++ = (byte) (module_info->music >> 8);
|
|
*dest++ = 0xa9; /* lda #$70 */
|
|
*dest++ = 0x70;
|
|
*dest++ = 0x20; /* jsr player */
|
|
*dest++ = (byte) module_info->player;
|
|
*dest++ = (byte) (module_info->player >> 8);
|
|
if (module_info->songs != 1) {
|
|
*dest++ = 0x68; /* pla */
|
|
*dest++ = 0xaa; /* tax */
|
|
*dest++ = 0xa9; /* lda #0 */
|
|
*dest++ = 0;
|
|
}
|
|
else {
|
|
*dest++ = 0xa9; /* lda #$60 */
|
|
*dest++ = 0x60;
|
|
}
|
|
switch (module[0x25]) {
|
|
case 2:
|
|
*dest++ = 0x06; /* asl 0 */
|
|
*dest++ = 0;
|
|
*dest++ = 0x4c; /* jmp player */
|
|
*dest++ = (byte) module_info->player;
|
|
*dest++ = (byte) (module_info->player >> 8);
|
|
*dest++ = 0xa5; /* lda 0 */
|
|
*dest++ = 0;
|
|
*dest++ = 0xe6; /* inc 0 */
|
|
*dest++ = 0;
|
|
*dest++ = 0x4a; /* lsr @ */
|
|
*dest++ = 0x90; /* bcc player+3 */
|
|
*dest++ = 5;
|
|
*dest++ = 0xb0; /* bcs player+6 */
|
|
*dest++ = 6;
|
|
break;
|
|
case 3:
|
|
case 4:
|
|
*dest++ = 0xa0; /* ldy #1 */
|
|
*dest++ = 1;
|
|
*dest++ = 0x84; /* sty 0 */
|
|
*dest++ = 0;
|
|
*dest++ = 0xd0; /* bne player */
|
|
*dest++ = 10;
|
|
*dest++ = 0xc6; /* dec 0 */
|
|
*dest++ = 0;
|
|
*dest++ = 0xd0; /* bne player+6 */
|
|
*dest++ = 12;
|
|
*dest++ = 0xa0; /* ldy #3 */
|
|
*dest++ = module[0x25];
|
|
*dest++ = 0x84; /* sty 0 */
|
|
*dest++ = 0;
|
|
*dest++ = 0xd0; /* bne player+3 */
|
|
*dest++ = 3;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
memcpy(dest, tmc_obx + 6, sizeof(tmc_obx) - 6);
|
|
dest += sizeof(tmc_obx) - 6;
|
|
return dest - out_module;
|
|
case 'T':
|
|
dest = put_sap_header(out_module, module_info, 'B', -1, TM2_INIT, module_info->player + 3);
|
|
if (dest == NULL)
|
|
return -1;
|
|
memcpy(dest, module, module_len);
|
|
dest += module_len;
|
|
*dest++ = (byte) TM2_INIT;
|
|
*dest++ = (byte) (TM2_INIT >> 8);
|
|
if (module_info->songs != 1) {
|
|
*dest++ = (byte) (TM2_INIT + 16);
|
|
*dest++ = (byte) ((TM2_INIT + 16) >> 8);
|
|
*dest++ = 0x48; /* pha */
|
|
}
|
|
else {
|
|
*dest++ = (byte) (TM2_INIT + 14);
|
|
*dest++ = (byte) ((TM2_INIT + 14) >> 8);
|
|
}
|
|
*dest++ = 0xa0; /* ldy #<music */
|
|
*dest++ = (byte) module_info->music;
|
|
*dest++ = 0xa2; /* ldx #>music */
|
|
*dest++ = (byte) (module_info->music >> 8);
|
|
*dest++ = 0xa9; /* lda #$70 */
|
|
*dest++ = 0x70;
|
|
*dest++ = 0x20; /* jsr player */
|
|
*dest++ = (byte) module_info->player;
|
|
*dest++ = (byte) (module_info->player >> 8);
|
|
if (module_info->songs != 1) {
|
|
*dest++ = 0x68; /* pla */
|
|
*dest++ = 0xaa; /* tax */
|
|
*dest++ = 0xa9; /* lda #0 */
|
|
*dest++ = 0;
|
|
}
|
|
else {
|
|
*dest++ = 0xa9; /* lda #0 */
|
|
*dest++ = 0;
|
|
*dest++ = 0xaa; /* tax */
|
|
}
|
|
*dest++ = 0x4c; /* jmp player */
|
|
*dest++ = (byte) module_info->player;
|
|
*dest++ = (byte) (module_info->player >> 8);
|
|
memcpy(dest, tm2_obx + 2, sizeof(tm2_obx) - 2);
|
|
dest += sizeof(tm2_obx) - 2;
|
|
return dest - out_module;
|
|
default:
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
#endif /* !defined(JAVA) && !defined(CSHARP) */
|