(MSVC) Rename pico/pico/pico.c and pico/pico/memory.c
[picodrive.git] / platform / linux / emu.c
CommitLineData
cff531af 1/*\r
2 * PicoDrive\r
3 * (C) notaz, 2006-2010\r
4 *\r
5 * This work is licensed under the terms of MAME license.\r
6 * See COPYING file in the top-level directory.\r
7 */\r
697746df 8\r
9#include <stdio.h>\r
10#include <unistd.h>\r
11\r
e743be20 12#include "../libpicofe/menu.h"\r
13#include "../libpicofe/plat.h"\r
697746df 14#include "../common/emu.h"\r
697746df 15#include "../common/arm_utils.h"\r
90f0dedf 16#include "../common/version.h"\r
697746df 17\r
18#include <pico/pico_int.h>\r
19\r
20\r
fcdefcf6 21const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };\r
22const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };\r
5a681086 23enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };\r
697746df 24\r
697746df 25\r
26void pemu_prep_defconfig(void)\r
27{\r
697746df 28}\r
29\r
30void pemu_validate_config(void)\r
31{\r
32 extern int PicoOpt;\r
33// PicoOpt &= ~POPT_EXT_FM;\r
92dfd9af 34 PicoOpt &= ~POPT_EN_DRC;\r
697746df 35}\r
36\r
697746df 37static void draw_cd_leds(void)\r
38{\r
39 int led_reg, pitch, scr_offs, led_offs;\r
40 led_reg = Pico_mcd->s68k_regs[0];\r
41\r
42 pitch = 320;\r
43 led_offs = 4;\r
44 scr_offs = pitch * 2 + 4;\r
45\r
5a681086 46 if (currentConfig.renderer != RT_16BIT) {\r
697746df 47 #define p(x) px[(x) >> 2]\r
48 // 8-bit modes\r
49 unsigned int *px = (unsigned int *)((char *)g_screen_ptr + scr_offs);\r
50 unsigned int col_g = (led_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
51 unsigned int col_r = (led_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
52 p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r
53 p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
54 #undef p\r
55 } else {\r
56 #define p(x) px[(x)*2 >> 2] = px[((x)*2 >> 2) + 1]\r
57 // 16-bit modes\r
58 unsigned int *px = (unsigned int *)((short *)g_screen_ptr + scr_offs);\r
59 unsigned int col_g = (led_reg & 2) ? 0x06000600 : 0;\r
60 unsigned int col_r = (led_reg & 1) ? 0xc000c000 : 0;\r
61 p(pitch*0) = p(pitch*1) = p(pitch*2) = col_g;\r
62 p(pitch*0 + led_offs) = p(pitch*1 + led_offs) = p(pitch*2 + led_offs) = col_r;\r
63 #undef p\r
64 }\r
65}\r
66\r
d08e7326 67void pemu_finalize_frame(const char *fps, const char *notice)\r
697746df 68{\r
5a681086 69 if (currentConfig.renderer != RT_16BIT && !(PicoAHW & PAHW_32X)) {\r
70 unsigned short *pd = (unsigned short *)g_screen_ptr + 8 * g_screen_width;\r
71 unsigned char *ps = PicoDraw2FB + 328*8 + 8;\r
72 unsigned short *pal = HighPal;\r
73 int i, x;\r
74 if (Pico.m.dirtyPal)\r
75 PicoDrawUpdateHighPal();\r
76 for (i = 0; i < 224; i++, ps += 8)\r
77 for (x = 0; x < 320; x++)\r
78 *pd++ = pal[*ps++];\r
79 }\r
80\r
697746df 81 if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r
82 if (notice)\r
f7e40c9b 83 emu_osd_text16(4, g_screen_height - 8, notice);\r
697746df 84 if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
f7e40c9b 85 emu_osd_text16(g_screen_width - 60, g_screen_height - 8, fps);\r
697746df 86 }\r
87 if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
88 draw_cd_leds();\r
697746df 89}\r
90\r
5a681086 91static void apply_renderer(void)\r
92{\r
5a681086 93 switch (currentConfig.renderer) {\r
94 case RT_16BIT:\r
95 PicoOpt &= ~POPT_ALT_RENDERER;\r
96 PicoDrawSetOutFormat(PDF_RGB555, 0);\r
97 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
98 break;\r
99 case RT_8BIT_ACC:\r
100 PicoOpt &= ~POPT_ALT_RENDERER;\r
101 PicoDrawSetOutFormat(PDF_8BIT, 0);\r
102 PicoDrawSetOutBuf(PicoDraw2FB + 8, 328);\r
103 break;\r
104 case RT_8BIT_FAST:\r
105 PicoOpt |= POPT_ALT_RENDERER;\r
106 PicoDrawSetOutFormat(PDF_NONE, 0);\r
107 break;\r
108 }\r
109\r
41946d70 110 if (PicoAHW & PAHW_32X)\r
5a681086 111 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
5a681086 112}\r
113\r
114void plat_video_toggle_renderer(int change, int is_menu)\r
697746df 115{\r
5a681086 116 currentConfig.renderer += change;\r
117 if (currentConfig.renderer >= RT_COUNT)\r
118 currentConfig.renderer = 0;\r
119 else if (currentConfig.renderer < 0)\r
120 currentConfig.renderer = RT_COUNT - 1;\r
121\r
122 if (!is_menu)\r
123 apply_renderer();\r
124\r
125 emu_status_msg(renderer_names[currentConfig.renderer]);\r
697746df 126}\r
127\r
697746df 128void plat_status_msg_clear(void)\r
129{\r
130 unsigned short *d = (unsigned short *)g_screen_ptr + g_screen_width * g_screen_height;\r
131 int l = g_screen_width * 8;\r
132 memset32((int *)(d - l), 0, l * 2 / 4);\r
133}\r
134\r
135void plat_status_msg_busy_next(const char *msg)\r
136{\r
137 plat_status_msg_clear();\r
d08e7326 138 pemu_finalize_frame("", msg);\r
139 plat_video_flip();\r
697746df 140 emu_status_msg("");\r
141 reset_timing = 1;\r
142}\r
143\r
144void plat_status_msg_busy_first(const char *msg)\r
145{\r
146// memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
147 plat_status_msg_busy_next(msg);\r
148}\r
149\r
150void plat_update_volume(int has_changed, int is_up)\r
151{\r
152}\r
153\r
45285368 154void pemu_forced_frame(int no_scale, int do_emu)\r
697746df 155{\r
e51e5983 156 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
a4edca53 157 PicoDrawSetCallbacks(NULL, NULL);\r
697746df 158 Pico.m.dirtyPal = 1;\r
a4edca53 159\r
160 emu_cmn_forced_frame(no_scale, do_emu);\r
697746df 161\r
45285368 162 g_menubg_src_ptr = g_screen_ptr;\r
697746df 163}\r
164\r
697746df 165void pemu_sound_start(void)\r
166{\r
df92fbd1 167 emu_sound_start();\r
697746df 168}\r
169\r
170void plat_debug_cat(char *str)\r
171{\r
172}\r
173\r
174void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
175{\r
697746df 176 // clear whole screen in all buffers\r
177 memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
178}\r
179\r
180void pemu_loop_prep(void)\r
181{\r
5a681086 182 apply_renderer();\r
697746df 183}\r
184\r
185void pemu_loop_end(void)\r
186{\r
697746df 187 /* do one more frame for menu bg */\r
45285368 188 pemu_forced_frame(0, 1);\r
697746df 189}\r
190\r
191void plat_wait_till_us(unsigned int us_to)\r
192{\r
193 unsigned int now;\r
194\r
195 now = plat_get_ticks_us();\r
196\r
197 while ((signed int)(us_to - now) > 512)\r
198 {\r
199 usleep(1024);\r
200 now = plat_get_ticks_us();\r
201 }\r
202}\r
203\r