+++ /dev/null
-// (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
-#include <stdio.h>\r
-#include <unistd.h>\r
-\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 "../linux/fbdev.h"\r
-#include "asm_utils.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
-static unsigned char temp_frame[g_screen_width * g_screen_height * 2];\r
-unsigned char *PicoDraw2FB = temp_frame;\r
-const char *renderer_names[] = { NULL };\r
-const char *renderer_names32x[] = { NULL };\r
-char cpu_clk_name[] = "Max CPU clock";\r
-\r
-enum {\r
- SCALE_1x1,\r
- SCALE_2x2_3x2,\r
- SCALE_2x2_2x2,\r
-};\r
-\r
-static int get_cpu_clock(void)\r
-{\r
- FILE *f;\r
- int ret = 0;\r
- f = fopen("/proc/pandora/cpu_mhz_max", "r");\r
- if (f) {\r
- fscanf(f, "%d", &ret);\r
- fclose(f);\r
- }\r
- return ret;\r
-}\r
-\r
-void pemu_prep_defconfig(void)\r
-{\r
- // XXX: move elsewhere\r
- g_menubg_ptr = temp_frame;\r
-\r
- defaultConfig.EmuOpt |= EOPT_VSYNC;\r
- defaultConfig.s_PicoOpt |= POPT_EN_MCD_GFX|POPT_EN_MCD_PSYNC;\r
- defaultConfig.scaling = SCALE_2x2_3x2;\r
-}\r
-\r
-void pemu_validate_config(void)\r
-{\r
- currentConfig.CPUclock = get_cpu_clock();\r
-}\r
-\r
-// FIXME: cleanup\r
-static void osd_text(int x, int y, const char *text)\r
-{\r
- int len = strlen(text)*8;\r
-\r
- if (0) {\r
- int *p, i, h;\r
- x &= ~3; // align x\r
- len = (len+3) >> 2;\r
- for (h = 0; h < 8; h++) {\r
- p = (int *) ((unsigned char *) g_screen_ptr+x+g_screen_width*(y+h));\r
- for (i = len; i; i--, p++) *p = 0xe0e0e0e0;\r
- }\r
- emu_text_out8(x, y, text);\r
- } else {\r
- int *p, i, h;\r
- x &= ~1; // align x\r
- len++;\r
- for (h = 0; h < 16; h++) {\r
- p = (int *) ((unsigned short *) g_screen_ptr+x+g_screen_width*(y+h));\r
- for (i = len; i; i--, p++) *p = 0;//(*p>>2)&0x39e7;\r
- }\r
- text_out16(x, y, text);\r
- }\r
-}\r
-\r
-static void draw_cd_leds(void)\r
-{\r
-// static\r
- int old_reg;\r
-// if (!((Pico_mcd->s68k_regs[0] ^ old_reg) & 3)) return; // no change // mmu hack problems?\r
- old_reg = Pico_mcd->s68k_regs[0];\r
-\r
- if (0) {\r
- // 8-bit modes\r
- unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0;\r
- unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0;\r
- *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+ 4) =\r
- *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+ 4) =\r
- *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+ 4) = col_g;\r
- *(unsigned int *)((char *)g_screen_ptr + g_screen_width*2+12) =\r
- *(unsigned int *)((char *)g_screen_ptr + g_screen_width*3+12) =\r
- *(unsigned int *)((char *)g_screen_ptr + g_screen_width*4+12) = col_r;\r
- } else {\r
- // 16-bit modes\r
- unsigned int *p = (unsigned int *)((short *)g_screen_ptr + g_screen_width*2+4);\r
- unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0;\r
- unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0;\r
- *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
- *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += g_screen_width/2 - 12/2;\r
- *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;\r
- }\r
-}\r
-\r
-static int emuscan_1x1(unsigned int num)\r
-{\r
- DrawLineDest = (unsigned short *)g_screen_ptr +\r
- g_screen_width * g_screen_height / 2 - g_screen_width * 240 / 2 +\r
- num*g_screen_width + g_screen_width/2 - 320/2;\r
-\r
- return 0;\r
-}\r
-\r
-#define MAKE_EMUSCAN(name_, clut_name_, offs_, len_) \\r
-static int name_(unsigned int num) \\r
-{ \\r
- unsigned char *ps = HighCol+8; \\r
- unsigned short *pd, *pal = HighPal; \\r
- int sh = Pico.video.reg[0xC] & 8; \\r
- int mask = 0xff; \\r
- \\r
- pd = (unsigned short *)g_screen_ptr + num*800*2 + offs_;\\r
- \\r
- if (Pico.m.dirtyPal) \\r
- PicoDoHighPal555(sh); \\r
- \\r
- if (!sh && (rendstatus & PDRAW_SPR_LO_ON_HI)) \\r
- mask = 0x3f; /* upper bits are priority stuff */\\r
- \\r
- clut_line##clut_name_(pd, ps, pal, (mask<<16) | len_); \\r
- \\r
- return 0; \\r
-}\r
-\r
-MAKE_EMUSCAN(emuscan_2x2_40, 2x2, 800/2 - 320*2/2, 320)\r
-MAKE_EMUSCAN(emuscan_2x2_32, 2x2, 800/2 - 256*2/2, 256)\r
-MAKE_EMUSCAN(emuscan_3x2_32, 3x2, 800/2 - 256*3/2, 256)\r
-\r
-#if 0 /* FIXME */\r
-static int EmuScanEnd16_32x(unsigned int num)\r
-{\r
- unsigned int *ps;\r
- unsigned int *pd;\r
- int len;\r
-\r
- ps = (unsigned int *)temp_frame;\r
- pd = (unsigned int *)g_screen_ptr + (num*800*2 + 800/2 - 320*2/2) / 2;\r
-\r
- for (len = 320/2; len > 0; len--, ps++) {\r
- unsigned int p, p1;\r
- p1 = *ps;\r
- p = p1 << 16;\r
- p |= p >> 16;\r
- *pd = pd[800/2] = p;\r
- pd++;\r
-\r
- p = p1 >> 16;\r
- p |= p << 16;\r
- *pd = pd[800/2] = p;\r
- pd++;\r
- }\r
-\r
- return 0;\r
-}\r
-#endif\r
-\r
-void pemu_finalize_frame(const char *fps, const char *notice)\r
-{\r
- if (notice || (currentConfig.EmuOpt & EOPT_SHOW_FPS)) {\r
- if (notice)\r
- osd_text(4, 464, notice);\r
- if (currentConfig.EmuOpt & EOPT_SHOW_FPS)\r
- osd_text(640, 464, fps);\r
- }\r
- if ((PicoAHW & PAHW_MCD) && (currentConfig.EmuOpt & EOPT_EN_CD_LEDS))\r
- draw_cd_leds();\r
-}\r
-\r
-void plat_video_toggle_renderer(int change, int is_menu)\r
-{\r
- // this will auto-select SMS/32X renderers\r
- PicoDrawSetOutFormat(PDF_RGB555, 1);\r
-}\r
-\r
-void plat_video_menu_enter(int is_rom_loaded)\r
-{\r
-}\r
-\r
-void plat_video_menu_begin(void)\r
-{\r
- memcpy32(g_screen_ptr, g_menubg_ptr, g_screen_width * g_screen_height * 2 / 4);\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
- int s = g_screen_width * g_screen_height * 2;\r
- int l = g_screen_width * 16 * 2;\r
- int i;\r
-\r
- for (i = 0; i < fbdev_buffer_count; i++)\r
- memset32((int *)((char *)fbdev_buffers[i] + s - l), 0, l / 4);\r
-}\r
-\r
-void plat_status_msg_busy_next(const char *msg)\r
-{\r
- plat_status_msg_clear();\r
- pemu_finalize_frame("", msg);\r
- plat_video_flip();\r
- emu_status_msg("");\r
- reset_timing = 1;\r
-}\r
-\r
-void plat_status_msg_busy_first(const char *msg)\r
-{\r
-// memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
- plat_status_msg_busy_next(msg);\r
-}\r
-\r
-void plat_update_volume(int has_changed, int is_up)\r
-{\r
- static int prev_frame = 0, wait_frames = 0;\r
- int vol = currentConfig.volume;\r
-\r
- if (has_changed)\r
- {\r
- if (is_up) {\r
- if (vol < 99) vol++;\r
- } else {\r
- if (vol > 0) vol--;\r
- }\r
- wait_frames = 0;\r
- sndout_oss_setvol(vol, vol);\r
- currentConfig.volume = vol;\r
- emu_status_msg("VOL: %02i", vol);\r
- prev_frame = Pico.m.frame_count;\r
- }\r
-}\r
-\r
-void pemu_forced_frame(int opts, int no_scale)\r
-{\r
- int oldscale = currentConfig.scaling;\r
- int po_old = PicoOpt;\r
-\r
- if (no_scale) {\r
- currentConfig.scaling = SCALE_1x1;\r
- emu_video_mode_change(0, 0, 0);\r
- }\r
-\r
- PicoOpt &= ~POPT_ALT_RENDERER;\r
- PicoOpt |= opts|POPT_ACC_SPRITES; // acc_sprites\r
-\r
- Pico.m.dirtyPal = 1;\r
- PicoFrameDrawOnly();\r
-\r
- PicoOpt = po_old;\r
- currentConfig.scaling = oldscale;\r
-}\r
-\r
-static void updateSound(int len)\r
-{\r
- unsigned int t;\r
-\r
- len <<= 1;\r
- if (PicoOpt & POPT_EN_STEREO)\r
- len <<= 1;\r
-\r
- // sndout_oss_can_write() not reliable..\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
- return;\r
-\r
- t = plat_get_ticks_ms();\r
- sndout_oss_write(PsndOut, len);\r
- t = plat_get_ticks_ms() - t;\r
- if (t > 1)\r
- printf("audio lag %u\n", t);\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 snd_excess_add, frame_samples;\r
- int is_stereo = (PicoOpt & POPT_EN_STEREO) ? 1 : 0;\r
-\r
- PsndRerate(Pico.m.frame_count ? 1 : 0);\r
-\r
- frame_samples = PsndLen;\r
- snd_excess_add = ((PsndRate - PsndLen * target_fps)<<16) / target_fps;\r
- if (snd_excess_add != 0)\r
- frame_samples++;\r
-\r
- printf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",\r
- PsndRate, PsndLen, snd_excess_add, is_stereo, Pico.m.pal);\r
- sndout_oss_start(PsndRate, frame_samples * 2, is_stereo);\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
- sndout_oss_stop();\r
-}\r
-\r
-void pemu_sound_wait(void)\r
-{\r
- // don't need to do anything, writes will block by themselves\r
-}\r
-\r
-void plat_debug_cat(char *str)\r
-{\r
-}\r
-\r
-void emu_video_mode_change(int start_line, int line_count, int is_32cols)\r
-{\r
- int i;\r
-\r
- // clear whole screen in all buffers\r
- for (i = 0; i < fbdev_buffer_count; i++)\r
- memset32(fbdev_buffers[i], 0, g_screen_width * g_screen_height * 2 / 4);\r
-\r
- PicoScanBegin = NULL;\r
- PicoScanEnd = NULL;\r
-\r
-#if 0\r
- if (PicoAHW & PAHW_32X) {\r
- /* FIXME */\r
- DrawLineDest = (unsigned short *)temp_frame;\r
- PicoDrawSetOutFormat(PDF_RGB555, 1);\r
- PicoScanEnd = EmuScanEnd16_32x;\r
- } else\r
-#endif\r
- {\r
- switch (currentConfig.scaling) {\r
- case SCALE_1x1:\r
- PicoDrawSetOutFormat(PDF_RGB555, 1);\r
- PicoScanBegin = emuscan_1x1;\r
- break;\r
- case SCALE_2x2_3x2:\r
- PicoDrawSetOutFormat(PDF_NONE, 0);\r
- PicoScanEnd = is_32cols ? emuscan_3x2_32 : emuscan_2x2_40;\r
- break;\r
- case SCALE_2x2_2x2:\r
- PicoDrawSetOutFormat(PDF_NONE, 0);\r
- PicoScanEnd = is_32cols ? emuscan_2x2_32 : emuscan_2x2_40;\r
- break;\r
- }\r
- }\r
-}\r
-\r
-void pemu_loop_prep(void)\r
-{\r
- if (currentConfig.CPUclock != get_cpu_clock()) {\r
- char buf[64];\r
- snprintf(buf, sizeof(buf), "sudo /usr/pandora/scripts/op_cpuspeed.sh %d",\r
- currentConfig.CPUclock);\r
- system(buf);\r
- }\r
-\r
- pemu_sound_start();\r
-}\r
-\r
-void pemu_loop_end(void)\r
-{\r
- int po_old = PicoOpt;\r
- int eo_old = currentConfig.EmuOpt;\r
-\r
- pemu_sound_stop();\r
- memset32(g_screen_ptr, 0, g_screen_width * g_screen_height * 2 / 4);\r
-\r
- /* do one more frame for menu bg */\r
- PicoOpt &= ~POPT_ALT_RENDERER;\r
- PicoOpt |= POPT_EN_SOFTSCALE|POPT_ACC_SPRITES;\r
- currentConfig.EmuOpt |= EOPT_16BPP;\r
-\r
- PicoDrawSetOutFormat(PDF_RGB555, 1);\r
- Pico.m.dirtyPal = 1;\r
- PicoFrame();\r
-\r
- PicoOpt = po_old;\r
- currentConfig.EmuOpt = eo_old;\r
-}\r
-\r
-void plat_wait_till_us(unsigned int us_to)\r
-{\r
- unsigned int now;\r
- signed int diff;\r
-\r
- now = plat_get_ticks_us();\r
-\r
- // XXX: need to check NOHZ\r
- diff = (signed int)(us_to - now);\r
- if (diff > 10000) {\r
- //printf("sleep %d\n", us_to - now);\r
- usleep(diff * 15 / 16);\r
- now = plat_get_ticks_us();\r
- //printf(" wake %d\n", (signed)(us_to - now));\r
- }\r
-/*\r
- while ((signed int)(us_to - now) > 512) {\r
- spend_cycles(1024);\r
- now = plat_get_ticks_us();\r
- }\r
-*/\r
-}\r
-\r
-const char *plat_get_credits(void)\r
-{\r
- return "PicoDrive v" VERSION " (c) notaz, 2006-2010\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
- "Pandora team: Pandora\n"\r
- "Inder, ketchupgun: graphics\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
notaz.gp2x.de / libpicofe.git / blobdiff