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1 | #include <windows.h> |
2 | #include <stdio.h> |
3 | |
4 | #include "../common/lprintf.h" |
5 | #include "../common/plat.h" |
6 | #include "../common/emu.h" |
7 | #include "../../pico/pico.h" |
8 | #include "version.h" |
9 | #include "direct.h" |
10 | #include "dsnd.h" |
11 | #include "main.h" |
12 | |
13 | static unsigned short screen_buff[320 * 240]; |
14 | static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)]; |
15 | unsigned char *PicoDraw2FB = PicoDraw2FB_; |
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16 | const char *renderer_names[] = { NULL }; |
17 | const char *renderer_names32x[] = { NULL }; |
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18 | |
19 | char cpu_clk_name[] = "unused"; |
20 | |
21 | void plat_init(void) |
22 | { |
23 | g_screen_ptr = (void *)screen_buff; |
24 | } |
25 | |
26 | int plat_is_dir(const char *path) |
27 | { |
28 | return (GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0; |
29 | } |
30 | |
31 | unsigned int plat_get_ticks_ms(void) |
32 | { |
33 | return GetTickCount(); |
34 | } |
35 | |
36 | unsigned int plat_get_ticks_us(void) |
37 | { |
38 | // XXX: maybe performance counters? |
39 | return GetTickCount() * 1000; |
40 | } |
41 | |
42 | void plat_wait_till_us(unsigned int us) |
43 | { |
44 | int msdiff = (int)(us - plat_get_ticks_us()) / 1000; |
45 | if (msdiff > 6) |
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46 | Sleep(msdiff - 6); |
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47 | while (plat_get_ticks_us() < us) |
48 | ; |
49 | } |
50 | |
51 | void plat_sleep_ms(int ms) |
52 | { |
53 | Sleep(ms); |
54 | } |
55 | |
56 | int plat_wait_event(int *fds_hnds, int count, int timeout_ms) |
57 | { |
58 | return -1; |
59 | } |
60 | |
61 | void pemu_prep_defconfig(void) |
62 | { |
63 | memset(&defaultConfig, 0, sizeof(defaultConfig)); |
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64 | defaultConfig.s_PicoOpt|= POPT_6BTN_PAD; // for xmen proto |
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65 | defaultConfig.s_PicoCDBuffers = 0; |
66 | defaultConfig.Frameskip = 0; |
67 | } |
68 | |
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69 | void pemu_validate_config(void) |
70 | { |
71 | } |
72 | |
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73 | void pemu_loop_prep(void) |
74 | { |
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75 | PicoDrawSetOutFormat(PDF_RGB555, 1); |
76 | PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2); |
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77 | pemu_sound_start(); |
78 | } |
79 | |
80 | void pemu_loop_end(void) |
81 | { |
82 | pemu_sound_stop(); |
83 | } |
84 | |
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85 | void pemu_forced_frame(int opts, int no_scale) |
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86 | { |
87 | } |
88 | |
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89 | void pemu_finalize_frame(const char *fps, const char *notice_msg) |
90 | { |
91 | } |
92 | |
93 | void plat_video_flip(void) |
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94 | { |
95 | DirectScreen(g_screen_ptr); |
96 | DirectPresent(); |
97 | } |
98 | |
99 | void plat_video_wait_vsync(void) |
100 | { |
101 | } |
102 | |
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103 | void plat_video_toggle_renderer(int change, int is_menu) |
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104 | { |
105 | // this will auto-select SMS/32X renderers |
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106 | PicoDrawSetOutFormat(PDF_RGB555, 1); |
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107 | } |
108 | |
109 | void emu_video_mode_change(int start_line, int line_count, int is_32cols) |
110 | { |
111 | EmuScreenRect.left = is_32cols ? 32 : 0; |
112 | EmuScreenRect.right = is_32cols ? 256+32 : 320; |
113 | EmuScreenRect.top = start_line; |
114 | EmuScreenRect.bottom = start_line + line_count; |
115 | |
116 | PostMessage(FrameWnd, WM_COMMAND, 0x20000 | 2000, 0); |
117 | } |
118 | |
119 | static int sndbuff[2*44100/50/2 + 4]; |
120 | |
121 | static void update_sound(int len) |
122 | { |
123 | /* avoid writing audio when lagging behind to prevent audio lag */ |
124 | if (PicoSkipFrame != 2) |
125 | DSoundUpdate(sndbuff, (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) ? 0 : 1); |
126 | } |
127 | |
128 | void pemu_sound_start(void) |
129 | { |
130 | int ret; |
131 | |
132 | PsndOut = NULL; |
133 | currentConfig.EmuOpt &= ~EOPT_EXT_FRMLIMIT; |
134 | |
135 | // prepare sound stuff |
136 | if (currentConfig.EmuOpt & EOPT_EN_SOUND) |
137 | { |
138 | PsndRerate(0); |
139 | |
140 | ret = DSoundInit(FrameWnd, PsndRate, (PicoOpt & POPT_EN_STEREO) ? 1 : 0, PsndLen); |
141 | if (ret != 0) { |
142 | lprintf("dsound init failed\n"); |
143 | return; |
144 | } |
145 | |
146 | PsndOut = (void *)sndbuff; |
147 | PicoWriteSound = update_sound; |
148 | currentConfig.EmuOpt |= EOPT_EXT_FRMLIMIT; |
149 | } |
150 | } |
151 | |
152 | void pemu_sound_stop(void) |
153 | { |
154 | DSoundExit(); |
155 | } |
156 | |
157 | void pemu_sound_wait(void) |
158 | { |
159 | } |
160 | |
161 | int plat_get_root_dir(char *dst, int len) |
162 | { |
163 | int ml; |
164 | |
165 | ml = GetModuleFileName(NULL, dst, len); |
166 | while (ml > 0 && dst[ml] != '\\') |
167 | ml--; |
168 | if (ml != 0) |
169 | ml++; |
170 | |
171 | dst[ml] = 0; |
172 | return ml; |
173 | } |
174 | |
175 | void plat_status_msg_busy_first(const char *msg) |
176 | { |
177 | } |
178 | |
179 | void plat_status_msg_busy_next(const char *msg) |
180 | { |
181 | } |
182 | |
183 | void plat_status_msg_clear(void) |
184 | { |
185 | } |
186 | |
187 | void plat_video_menu_enter(int is_rom_loaded) |
188 | { |
189 | } |
190 | |
191 | void plat_video_menu_begin(void) |
192 | { |
193 | } |
194 | |
195 | void plat_video_menu_end(void) |
196 | { |
197 | } |
198 | |
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199 | void plat_update_volume(int has_changed, int is_up) |
200 | { |
201 | } |
202 | |
203 | const char *plat_get_credits(void) |
204 | { |
205 | return "PicoDrive v" VERSION " minibeta (c) notaz, 2006-2009\n\n" |
206 | "Credits:\n" |
207 | "fDave: base code of PicoDrive\n" |
208 | "Chui: Fame/C\n" |
209 | "NJ: CZ80\n" |
210 | "MAME devs: YM2612, SN76496 and SH2 cores\n" |
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211 |