support multiple sound drivers

[picodrive.git] / platform / linux / emu.c

diff --git a/platform/linux/emu.c b/platform/linux/emu.c
index f5a21c3..25bb05c 100644 (file)
--- a/platform/linux/emu.c
+++ b/platform/linux/emu.c
@@ -1,22 +1,23 @@
-// (c) Copyright 2006-2009 notaz, All rights reserved.\r
-// Free for non-commercial use.\r
-\r
-// For commercial use, separate licencing terms must be obtained.\r
+/*\r
+ * PicoDrive\r
+ * (C) notaz, 2006-2010\r
+ *\r
+ * This work is licensed under the terms of MAME license.\r
+ * See COPYING file in the top-level directory.\r
+ */\r
 \r
 #include <stdio.h>\r
 #include <unistd.h>\r
 \r
+#include "../libpicofe/menu.h"\r
+#include "../libpicofe/plat.h"\r
 #include "../common/emu.h"\r
-#include "../common/menu.h"\r
-#include "../common/plat.h"\r
 #include "../common/arm_utils.h"\r
-#include "../linux/sndout_oss.h"\r
 #include "version.h"\r
 \r
 #include <pico/pico_int.h>\r
 \r
 \r
-static short __attribute__((aligned(4))) sndBuffer[2*44100/50];\r
 const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };\r
 const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };\r
 enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };\r
@@ -168,20 +169,6 @@ void plat_video_toggle_renderer(int change, int is_menu)
        emu_status_msg(renderer_names[currentConfig.renderer]);\r
 }\r
 \r
-void plat_video_menu_enter(int is_rom_loaded)\r
-{\r
-}\r
-\r
-void plat_video_menu_begin(void)\r
-{\r
-       g_menuscreen_ptr = g_screen_ptr;\r
-}\r
-\r
-void plat_video_menu_end(void)\r
-{\r
-       plat_video_flip();\r
-}\r
-\r
 void plat_status_msg_clear(void)\r
 {\r
        unsigned short *d = (unsigned short *)g_screen_ptr + g_screen_width * g_screen_height;\r
@@ -210,73 +197,19 @@ void plat_update_volume(int has_changed, int is_up)
 \r
 void pemu_forced_frame(int no_scale, int do_emu)\r
 {\r
-       int po_old = PicoOpt;\r
-\r
-       memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
-\r
-       PicoOpt &= ~POPT_ALT_RENDERER;\r
-       PicoOpt |= POPT_ACC_SPRITES;\r
-       if (!no_scale)\r
-               PicoOpt |= POPT_EN_SOFTSCALE;\r
-\r
-       PicoDrawSetOutFormat(PDF_RGB555, 1);\r
        PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);\r
        PicoDraw32xSetFrameMode(0, 0);\r
-\r
+       PicoDrawSetCallbacks(NULL, NULL);\r
        Pico.m.dirtyPal = 1;\r
-       if (do_emu)\r
-               PicoFrame();\r
-       else\r
-               PicoFrameDrawOnly();\r
 \r
-       g_menubg_src_ptr = g_screen_ptr;\r
-       PicoOpt = po_old;\r
-}\r
+       emu_cmn_forced_frame(no_scale, do_emu);\r
 \r
-static void updateSound(int len)\r
-{\r
-       len <<= 1;\r
-       if (PicoOpt & POPT_EN_STEREO)\r
-               len <<= 1;\r
-\r
-       if ((currentConfig.EmuOpt & EOPT_NO_FRMLIMIT) && !sndout_oss_can_write(len))\r
-               return;\r
-\r
-       /* avoid writing audio when lagging behind to prevent audio lag */\r
-       if (PicoSkipFrame != 2)\r
-               sndout_oss_write(PsndOut, len);\r
+       g_menubg_src_ptr = g_screen_ptr;\r
 }\r
 \r
 void pemu_sound_start(void)\r
 {\r
-       int target_fps = Pico.m.pal ? 50 : 60;\r
-\r
-       PsndOut = NULL;\r
-\r
-       if (currentConfig.EmuOpt & EOPT_EN_SOUND)\r
-       {\r
-               int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
-\r
-               PsndRerate(Pico.m.frame_count ? 1 : 0);\r
-\r
-               printf("starting audio: %i len: %i stereo: %i, pal: %i\n",\r
-                       PsndRate, PsndLen, is_stereo, Pico.m.pal);\r
-               sndout_oss_start(PsndRate, is_stereo, 1);\r
-               sndout_oss_setvol(currentConfig.volume, currentConfig.volume);\r
-               PicoWriteSound = updateSound;\r
-               plat_update_volume(0, 0);\r
-               memset(sndBuffer, 0, sizeof(sndBuffer));\r
-               PsndOut = sndBuffer;\r
-       }\r
-}\r
-\r
-void pemu_sound_stop(void)\r
-{\r
-}\r
-\r
-void pemu_sound_wait(void)\r
-{\r
-       // don't need to do anything, writes will block by themselves\r
+       emu_sound_start();\r
 }\r
 \r
 void plat_debug_cat(char *str)\r
@@ -293,14 +226,10 @@ void pemu_loop_prep(void)
 {\r
        apply_renderer();\r
        osd_text = osd_text16;\r
-\r
-       pemu_sound_start();\r
 }\r
 \r
 void pemu_loop_end(void)\r
 {\r
-       pemu_sound_stop();\r
-\r
        /* do one more frame for menu bg */\r
        pemu_forced_frame(0, 1);\r
 }\r
@@ -318,24 +247,3 @@ void plat_wait_till_us(unsigned int us_to)
        }\r
 }\r
 \r
-const char *plat_get_credits(void)\r
-{\r
-       return "PicoDrive v" VERSION " (c) notaz, 2006-2009\n\n\n"\r
-               "Credits:\n"\r
-               "fDave: Cyclone 68000 core,\n"\r
-               "      base code of PicoDrive\n"\r
-               "Reesy & FluBBa: DrZ80 core\n"\r
-               "MAME devs: YM2612 and SN76496 cores\n"\r
-               "rlyeh and others: minimal SDK\n"\r
-               "Squidge: mmuhack\n"\r
-               "Dzz: ARM940 sample\n"\r
-               "GnoStiC / Puck2099: USB joy code\n"\r
-               "craigix: GP2X hardware\n"\r
-               "ketchupgun: skin design\n"\r
-               "\n"\r
-               "special thanks (for docs, ideas):\n"\r
-               " Charles MacDonald, Haze,\n"\r
-               " Stephane Dallongeville,\n"\r
-               " Lordus, Exophase, Rokas,\n"\r
-               " Nemesis, Tasco Deluxe";\r
-}\r