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1 | /* |
2 | * PicoDrive |
3 | * (C) notaz, 2009,2010 |
4 | * |
5 | * This work is licensed under the terms of MAME license. |
6 | * See COPYING file in the top-level directory. |
7 | */ |
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8 | #include <windows.h> |
9 | #include <stdio.h> |
10 | |
11 | #include "../common/lprintf.h" |
12 | #include "../common/plat.h" |
13 | #include "../common/emu.h" |
14 | #include "../../pico/pico.h" |
15 | #include "version.h" |
16 | #include "direct.h" |
17 | #include "dsnd.h" |
18 | #include "main.h" |
19 | |
20 | static unsigned short screen_buff[320 * 240]; |
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21 | const char *renderer_names[] = { NULL }; |
22 | const char *renderer_names32x[] = { NULL }; |
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23 | |
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24 | void plat_init(void) |
25 | { |
26 | g_screen_ptr = (void *)screen_buff; |
27 | } |
28 | |
29 | int plat_is_dir(const char *path) |
30 | { |
31 | return (GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0; |
32 | } |
33 | |
34 | unsigned int plat_get_ticks_ms(void) |
35 | { |
36 | return GetTickCount(); |
37 | } |
38 | |
39 | unsigned int plat_get_ticks_us(void) |
40 | { |
41 | // XXX: maybe performance counters? |
42 | return GetTickCount() * 1000; |
43 | } |
44 | |
45 | void plat_wait_till_us(unsigned int us) |
46 | { |
47 | int msdiff = (int)(us - plat_get_ticks_us()) / 1000; |
48 | if (msdiff > 6) |
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49 | Sleep(msdiff - 6); |
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50 | while (plat_get_ticks_us() < us) |
51 | ; |
52 | } |
53 | |
54 | void plat_sleep_ms(int ms) |
55 | { |
56 | Sleep(ms); |
57 | } |
58 | |
59 | int plat_wait_event(int *fds_hnds, int count, int timeout_ms) |
60 | { |
61 | return -1; |
62 | } |
63 | |
64 | void pemu_prep_defconfig(void) |
65 | { |
66 | memset(&defaultConfig, 0, sizeof(defaultConfig)); |
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67 | defaultConfig.s_PicoOpt|= POPT_6BTN_PAD; // for xmen proto |
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68 | defaultConfig.s_PicoCDBuffers = 0; |
69 | defaultConfig.Frameskip = 0; |
70 | } |
71 | |
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72 | void pemu_validate_config(void) |
73 | { |
74 | } |
75 | |
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76 | void pemu_loop_prep(void) |
77 | { |
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78 | PicoDrawSetOutFormat(PDF_RGB555, 1); |
79 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2); |
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80 | pemu_sound_start(); |
81 | } |
82 | |
83 | void pemu_loop_end(void) |
84 | { |
85 | pemu_sound_stop(); |
86 | } |
87 | |
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88 | void pemu_forced_frame(int no_scale, int do_emu) |
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89 | { |
90 | } |
91 | |
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92 | void pemu_finalize_frame(const char *fps, const char *notice_msg) |
93 | { |
94 | } |
95 | |
96 | void plat_video_flip(void) |
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97 | { |
98 | DirectScreen(g_screen_ptr); |
99 | DirectPresent(); |
100 | } |
101 | |
102 | void plat_video_wait_vsync(void) |
103 | { |
104 | } |
105 | |
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106 | void plat_video_toggle_renderer(int change, int is_menu) |
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107 | { |
108 | // this will auto-select SMS/32X renderers |
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109 | PicoDrawSetOutFormat(PDF_RGB555, 1); |
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110 | } |
111 | |
112 | void emu_video_mode_change(int start_line, int line_count, int is_32cols) |
113 | { |
114 | EmuScreenRect.left = is_32cols ? 32 : 0; |
115 | EmuScreenRect.right = is_32cols ? 256+32 : 320; |
116 | EmuScreenRect.top = start_line; |
117 | EmuScreenRect.bottom = start_line + line_count; |
118 | |
119 | PostMessage(FrameWnd, WM_COMMAND, 0x20000 | 2000, 0); |
120 | } |
121 | |
122 | static int sndbuff[2*44100/50/2 + 4]; |
123 | |
124 | static void update_sound(int len) |
125 | { |
126 | /* avoid writing audio when lagging behind to prevent audio lag */ |
127 | if (PicoSkipFrame != 2) |
128 | DSoundUpdate(sndbuff, (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) ? 0 : 1); |
129 | } |
130 | |
131 | void pemu_sound_start(void) |
132 | { |
133 | int ret; |
134 | |
135 | PsndOut = NULL; |
136 | currentConfig.EmuOpt &= ~EOPT_EXT_FRMLIMIT; |
137 | |
138 | // prepare sound stuff |
139 | if (currentConfig.EmuOpt & EOPT_EN_SOUND) |
140 | { |
141 | PsndRerate(0); |
142 | |
143 | ret = DSoundInit(FrameWnd, PsndRate, (PicoOpt & POPT_EN_STEREO) ? 1 : 0, PsndLen); |
144 | if (ret != 0) { |
145 | lprintf("dsound init failed\n"); |
146 | return; |
147 | } |
148 | |
149 | PsndOut = (void *)sndbuff; |
150 | PicoWriteSound = update_sound; |
151 | currentConfig.EmuOpt |= EOPT_EXT_FRMLIMIT; |
152 | } |
153 | } |
154 | |
155 | void pemu_sound_stop(void) |
156 | { |
157 | DSoundExit(); |
158 | } |
159 | |
160 | void pemu_sound_wait(void) |
161 | { |
162 | } |
163 | |
164 | int plat_get_root_dir(char *dst, int len) |
165 | { |
166 | int ml; |
167 | |
168 | ml = GetModuleFileName(NULL, dst, len); |
169 | while (ml > 0 && dst[ml] != '\\') |
170 | ml--; |
171 | if (ml != 0) |
172 | ml++; |
173 | |
174 | dst[ml] = 0; |
175 | return ml; |
176 | } |
177 | |
178 | void plat_status_msg_busy_first(const char *msg) |
179 | { |
180 | } |
181 | |
182 | void plat_status_msg_busy_next(const char *msg) |
183 | { |
184 | } |
185 | |
186 | void plat_status_msg_clear(void) |
187 | { |
188 | } |
189 | |
190 | void plat_video_menu_enter(int is_rom_loaded) |
191 | { |
192 | } |
193 | |
194 | void plat_video_menu_begin(void) |
195 | { |
196 | } |
197 | |
198 | void plat_video_menu_end(void) |
199 | { |
200 | } |
201 | |
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202 | void plat_update_volume(int has_changed, int is_up) |
203 | { |
204 | } |
205 | |
206 | const char *plat_get_credits(void) |
207 | { |
208 | return "PicoDrive v" VERSION " minibeta (c) notaz, 2006-2009\n\n" |
209 | "Credits:\n" |
210 | "fDave: base code of PicoDrive\n" |
211 | "Chui: Fame/C\n" |
212 | "NJ: CZ80\n" |
213 | "MAME devs: YM2612, SN76496 and SH2 cores\n" |
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214 |