Mercurial > hg > xmms-sid
annotate src/xs_backend.c @ 1016:0fee394985f2 default tip
Added xmms.m4
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Sat, 09 Jan 2016 19:05:29 +0200 |
parents | 6f53d0405d58 |
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rev | line source |
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872 | 1 /* |
2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS) | |
3 | |
4 Backend handling | |
5 | |
6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org> | |
7 (C) Copyright 1999-2012 Tecnic Software productions (TNSP) | |
8 | |
9 This program is free software; you can redistribute it and/or modify | |
10 it under the terms of the GNU General Public License as published by | |
11 the Free Software Foundation; either version 2 of the License, or | |
12 (at your option) any later version. | |
13 | |
14 This program is distributed in the hope that it will be useful, | |
15 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 GNU General Public License for more details. | |
18 | |
19 You should have received a copy of the GNU General Public License along | |
20 with this program; if not, write to the Free Software Foundation, Inc., | |
21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
22 */ | |
23 #include "xs_backend.h" | |
24 #include "xs_config.h" | |
25 | |
26 /* List of emulator engines | |
27 */ | |
28 #ifdef HAVE_SIDPLAY1 | |
29 # include "xs_sidplay1.h" | |
30 #endif | |
31 #ifdef HAVE_SIDPLAY2 | |
32 # include "xs_sidplay2.h" | |
33 #endif | |
34 #ifdef HAVE_SIDPLAYFP | |
35 # include "xs_sidplayfp.h" | |
36 #endif | |
37 | |
38 | |
39 static XSEngine xs_enginelist[] = | |
40 { | |
41 #ifdef HAVE_SIDPLAY1 | |
42 { | |
43 XS_ENG_SIDPLAY1, | |
44 xs_sidplay1_probe, | |
45 xs_sidplay1_init, xs_sidplay1_close, | |
46 xs_sidplay1_initsong, xs_sidplay1_fillbuffer, | |
47 xs_sidplay1_load, xs_sidplay1_delete, | |
48 xs_sidplay1_getinfo, xs_sidplay1_updateinfo, | |
49 NULL | |
50 }, | |
51 #endif | |
52 #ifdef HAVE_SIDPLAY2 | |
53 { | |
54 XS_ENG_SIDPLAY2, | |
55 xs_sidplay2_probe, | |
56 xs_sidplay2_init, xs_sidplay2_close, | |
57 xs_sidplay2_initsong, xs_sidplay2_fillbuffer, | |
58 xs_sidplay2_load, xs_sidplay2_delete, | |
59 xs_sidplay2_getinfo, xs_sidplay2_updateinfo, | |
60 xs_sidplay2_flush | |
61 }, | |
62 #endif | |
63 #ifdef HAVE_SIDPLAYFP | |
64 { | |
65 XS_ENG_SIDPLAYFP, | |
66 xs_sidplayfp_probe, | |
67 xs_sidplayfp_init, xs_sidplayfp_close, | |
68 xs_sidplayfp_initsong, xs_sidplayfp_fillbuffer, | |
69 xs_sidplayfp_load, xs_sidplayfp_delete, | |
70 xs_sidplayfp_getinfo, xs_sidplayfp_updateinfo, | |
71 xs_sidplayfp_flush | |
72 }, | |
73 #endif | |
74 }; | |
75 | |
76 static const gint xs_nenginelist = sizeof(xs_enginelist) / sizeof(xs_enginelist[0]); | |
77 | |
78 | |
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79 const XSROMImageData xs_rom_images[XS_C64_ROM_IMAGES] = |
876 | 80 { |
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81 { "Kernal", "kernal", 8192 }, |
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82 { "Basic v2.0", "basic", 8192 }, |
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83 { "Character ROM", "chargen", 4096 }, |
876 | 84 }; |
85 | |
86 | |
873 | 87 gboolean xs_init_emu_backend(XSEngineState *state, gint *preferred) |
872 | 88 { |
89 gint engine; | |
90 gboolean initialized = FALSE; | |
91 | |
92 XSDEBUG("trying emulator engine #%i...\n", *preferred); | |
93 | |
94 for (engine = 0; engine < xs_nenginelist && !initialized; engine++) | |
95 { | |
96 if (xs_enginelist[engine].plrIdent == *preferred && | |
97 xs_enginelist[engine].plrInit(state)) | |
98 { | |
99 initialized = TRUE; | |
100 state->engine = &xs_enginelist[engine]; | |
101 } | |
102 } | |
103 | |
104 XSDEBUG("init#1: %s, %i\n", initialized ? "OK" : "FAILED", *preferred); | |
105 return initialized; | |
106 } | |
876 | 107 |
108 | |
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109 gboolean xs_load_rom_image(gint index, guint8 **data) |
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110 { |
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111 const XSROMImageData *rom = &xs_rom_images[index]; |
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112 size_t size = 0; |
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113 |
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114 XSDEBUG("Trying ROM '%s' from '%s%s', %d bytes.\n", |
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115 rom->name, xs_cfg.romPath, rom->filename, rom->size); |
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116 |
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117 if (!xs_fload_buffer_path(xs_cfg.romPath, rom->filename, |
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118 data, &size, rom->size, TRUE)) |
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119 { |
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120 xs_error("Failed to load required %s ROM image '%s%s'.\n", |
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121 rom->name, xs_cfg.romPath, rom->filename); |
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122 return FALSE; |
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123 } |
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124 |
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125 if (size < rom->size) |
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126 { |
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127 xs_error("ROM image %s '%s%s' size does not match: %d != %d\n", |
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128 rom->name, xs_cfg.romPath, rom->filename, |
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129 size, rom->size); |
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130 return FALSE; |
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131 } |
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132 |
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133 return TRUE; |
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134 } |
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135 |
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136 |
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137 void xs_free_rom_images(guint8 **roms) |
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138 { |
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139 gint i; |
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140 for (i = 0; i < XS_C64_ROM_IMAGES; i++) |
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141 { |
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142 g_free(roms[i]); |
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143 roms[i] = NULL; |
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144 } |
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145 } |
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146 |
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147 |
876 | 148 gboolean xs_load_rom_images(guint8 **roms) |
149 { | |
150 gint i; | |
151 | |
152 XSDEBUG("Loading C64 ROM images ...\n"); | |
153 | |
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154 xs_free_rom_images(roms); |
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155 |
876 | 156 for (i = 0; i < XS_C64_ROM_IMAGES; i++) |
157 { | |
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158 if (!xs_load_rom_image(i, &roms[i])) |
876 | 159 { |
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160 xs_free_rom_images(roms); |
876 | 161 return FALSE; |
162 } | |
163 } | |
164 | |
165 return TRUE; | |
166 } |