bugfix
[picodrive.git] / platform / win32 / plat.c
CommitLineData
823b9004 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
13static unsigned short screen_buff[320 * 240];
14static unsigned char PicoDraw2FB_[(8+320) * (8+240+8)];
15unsigned char *PicoDraw2FB = PicoDraw2FB_;
16
17char cpu_clk_name[] = "unused";
18
19void plat_init(void)
20{
21 g_screen_ptr = (void *)screen_buff;
22}
23
24int plat_is_dir(const char *path)
25{
26 return (GetFileAttributes(path) & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0;
27}
28
29unsigned int plat_get_ticks_ms(void)
30{
31 return GetTickCount();
32}
33
34unsigned int plat_get_ticks_us(void)
35{
36 // XXX: maybe performance counters?
37 return GetTickCount() * 1000;
38}
39
40void plat_wait_till_us(unsigned int us)
41{
42 int msdiff = (int)(us - plat_get_ticks_us()) / 1000;
43 if (msdiff > 6)
ba86b61e 44 Sleep(msdiff - 6);
823b9004 45 while (plat_get_ticks_us() < us)
46 ;
47}
48
49void plat_sleep_ms(int ms)
50{
51 Sleep(ms);
52}
53
54int plat_wait_event(int *fds_hnds, int count, int timeout_ms)
55{
56 return -1;
57}
58
59void pemu_prep_defconfig(void)
60{
61 memset(&defaultConfig, 0, sizeof(defaultConfig));
62 defaultConfig.EmuOpt = 0x9d | EOPT_RAM_TIMINGS|EOPT_CONFIRM_SAVE|EOPT_EN_CD_LEDS;
63 defaultConfig.s_PicoOpt = POPT_EN_STEREO|POPT_EN_FM|POPT_EN_PSG|POPT_EN_Z80 |
64 POPT_EN_MCD_PCM|POPT_EN_MCD_CDDA|POPT_ACC_SPRITES |
65 POPT_EN_32X|POPT_EN_PWM;
66 defaultConfig.s_PicoOpt|= POPT_6BTN_PAD; // for xmen proto
67 defaultConfig.s_PsndRate = 44100;
68 defaultConfig.s_PicoRegion = 0; // auto
69 defaultConfig.s_PicoAutoRgnOrder = 0x184; // US, EU, JP
70 defaultConfig.s_PicoCDBuffers = 0;
71 defaultConfig.Frameskip = 0;
72}
73
74static int EmuScanBegin16(unsigned int num)
75{
76 DrawLineDest = (unsigned short *) g_screen_ptr + g_screen_width * num;
77
78 return 0;
79}
80
81void pemu_loop_prep(void)
82{
83 PicoDrawSetColorFormat(1);
84 PicoScanBegin = EmuScanBegin16;
85 pemu_sound_start();
86}
87
88void pemu_loop_end(void)
89{
90 pemu_sound_stop();
91}
92
93void pemu_forced_frame(int opts)
94{
95}
96
97void pemu_update_display(const char *fps, const char *notice_msg)
98{
99 DirectScreen(g_screen_ptr);
100 DirectPresent();
101}
102
103void plat_video_wait_vsync(void)
104{
105}
106
107void plat_video_toggle_renderer(int is_next, int force_16bpp, int is_menu)
108{
109 // this will auto-select SMS/32X renderers
110 PicoDrawSetColorFormat(1);
111}
112
113void emu_video_mode_change(int start_line, int line_count, int is_32cols)
114{
115 EmuScreenRect.left = is_32cols ? 32 : 0;
116 EmuScreenRect.right = is_32cols ? 256+32 : 320;
117 EmuScreenRect.top = start_line;
118 EmuScreenRect.bottom = start_line + line_count;
119
120 PostMessage(FrameWnd, WM_COMMAND, 0x20000 | 2000, 0);
121}
122
123static int sndbuff[2*44100/50/2 + 4];
124
125static void update_sound(int len)
126{
127 /* avoid writing audio when lagging behind to prevent audio lag */
128 if (PicoSkipFrame != 2)
129 DSoundUpdate(sndbuff, (currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) ? 0 : 1);
130}
131
132void pemu_sound_start(void)
133{
134 int ret;
135
136 PsndOut = NULL;
137 currentConfig.EmuOpt &= ~EOPT_EXT_FRMLIMIT;
138
139 // prepare sound stuff
140 if (currentConfig.EmuOpt & EOPT_EN_SOUND)
141 {
142 PsndRerate(0);
143
144 ret = DSoundInit(FrameWnd, PsndRate, (PicoOpt & POPT_EN_STEREO) ? 1 : 0, PsndLen);
145 if (ret != 0) {
146 lprintf("dsound init failed\n");
147 return;
148 }
149
150 PsndOut = (void *)sndbuff;
151 PicoWriteSound = update_sound;
152 currentConfig.EmuOpt |= EOPT_EXT_FRMLIMIT;
153 }
154}
155
156void pemu_sound_stop(void)
157{
158 DSoundExit();
159}
160
161void pemu_sound_wait(void)
162{
163}
164
165int plat_get_root_dir(char *dst, int len)
166{
167 int ml;
168
169 ml = GetModuleFileName(NULL, dst, len);
170 while (ml > 0 && dst[ml] != '\\')
171 ml--;
172 if (ml != 0)
173 ml++;
174
175 dst[ml] = 0;
176 return ml;
177}
178
179void plat_status_msg_busy_first(const char *msg)
180{
181}
182
183void plat_status_msg_busy_next(const char *msg)
184{
185}
186
187void plat_status_msg_clear(void)
188{
189}
190
191void plat_video_menu_enter(int is_rom_loaded)
192{
193}
194
195void plat_video_menu_begin(void)
196{
197}
198
199void plat_video_menu_end(void)
200{
201}
202
203void plat_validate_config(void)
204{
205}
206
207void plat_update_volume(int has_changed, int is_up)
208{
209}
210
211const char *plat_get_credits(void)
212{
213 return "PicoDrive v" VERSION " minibeta (c) notaz, 2006-2009\n\n"
214 "Credits:\n"
215 "fDave: base code of PicoDrive\n"
216 "Chui: Fame/C\n"
217 "NJ: CZ80\n"
218 "MAME devs: YM2612, SN76496 and SH2 cores\n"
ba86b61e 219