+++ /dev/null
-// (c) Copyright 2007 notaz, All rights reserved.
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
-
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/syslimits.h> // PATH_MAX
-
-#include <pspthreadman.h>
-#include <pspdisplay.h>
-#include <psputils.h>
-#include <pspgu.h>
-#include <pspaudio.h>
-
-#include "psp.h"
-#include "menu.h"
-#include "emu.h"
-#include "mp3.h"
-#include "asm_utils.h"
-#include "../common/emu.h"
-#include "../common/config.h"
-#include "../common/lprintf.h"
-#include <pico/pico_int.h>
-#include <pico/cd/cue.h>
-
-#define OSD_FPS_X 432
-
-// additional pspaudio imports, credits to crazyc
-int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion?
-int sceAudio_5C37C0AE(void); // end play?
-int sceAudio_E0727056(int volume, void *buffer); // blocking output
-int sceAudioOutput2GetRestSample();
-
-
-unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
-int engineStateSuspend;
-
-#define PICO_PEN_ADJUST_X 4
-#define PICO_PEN_ADJUST_Y 2
-static int pico_pen_x = 320/2, pico_pen_y = 240/2;
-
-static void sound_init(void);
-static void sound_deinit(void);
-static void blit2(const char *fps, const char *notice, int lagging_behind);
-static void clearArea(int full);
-
-int plat_get_root_dir(char *dst, int len)
-{
- if (len > 0) *dst = 0;
- return 0;
-}
-
-static void osd_text(int x, const char *text, int is_active, int clear_all)
-{
- unsigned short *screen = is_active ? psp_video_get_active_fb() : psp_screen;
- int len = clear_all ? (480 / 2) : (strlen(text) * 8 / 2);
- int *p, h;
- void *tmp;
- for (h = 0; h < 8; h++) {
- p = (int *) (screen+x+512*(264+h));
- p = (int *) ((int)p & ~3); // align
- memset32_uncached(p, 0, len);
- }
- if (is_active) { tmp = psp_screen; psp_screen = screen; } // nasty pointer tricks
- emu_text_out16(x, 264, text);
- if (is_active) psp_screen = tmp;
-}
-
-void emu_msg_cb(const char *msg)
-{
- osd_text(4, msg, 1, 1);
- noticeMsgTime = sceKernelGetSystemTimeLow() - 2000000;
-
- /* assumption: emu_msg_cb gets called only when something slow is about to happen */
- reset_timing = 1;
-}
-
-/* FIXME: move to plat */
-void emu_Init(void)
-{
- sound_init();
-}
-
-void emu_Deinit(void)
-{
- sound_deinit();
-}
-
-void pemu_prep_defconfig(void)
-{
- defaultConfig.s_PsndRate = 22050;
- defaultConfig.s_PicoCDBuffers = 64;
- defaultConfig.CPUclock = 333;
- defaultConfig.KeyBinds[ 4] = 1<<0; // SACB RLDU
- defaultConfig.KeyBinds[ 6] = 1<<1;
- defaultConfig.KeyBinds[ 7] = 1<<2;
- defaultConfig.KeyBinds[ 5] = 1<<3;
- defaultConfig.KeyBinds[14] = 1<<4;
- defaultConfig.KeyBinds[13] = 1<<5;
- defaultConfig.KeyBinds[15] = 1<<6;
- defaultConfig.KeyBinds[ 3] = 1<<7;
- defaultConfig.KeyBinds[12] = 1<<26; // switch rnd
- defaultConfig.KeyBinds[ 8] = 1<<27; // save state
- defaultConfig.KeyBinds[ 9] = 1<<28; // load state
- defaultConfig.KeyBinds[28] = 1<<0; // num "buttons"
- defaultConfig.KeyBinds[30] = 1<<1;
- defaultConfig.KeyBinds[31] = 1<<2;
- defaultConfig.KeyBinds[29] = 1<<3;
- defaultConfig.scaling = 1; // bilinear filtering for psp
- defaultConfig.scale = 1.20; // fullscreen
- defaultConfig.hscale40 = 1.25;
- defaultConfig.hscale32 = 1.56;
-}
-
-
-extern void amips_clut(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
-extern void amips_clut_6bit(unsigned short *dst, unsigned char *src, unsigned short *pal, int count);
-
-static void (*amips_clut_f)(unsigned short *dst, unsigned char *src, unsigned short *pal, int count) = NULL;
-
-struct Vertex
-{
- short u,v;
- short x,y,z;
-};
-
-static struct Vertex __attribute__((aligned(4))) g_vertices[2];
-static unsigned short __attribute__((aligned(16))) localPal[0x100];
-static int dynamic_palette = 0, need_pal_upload = 0, blit_16bit_mode = 0;
-static int fbimg_offs = 0;
-
-static void set_scaling_params(void)
-{
- int src_width, fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0;
- g_vertices[0].x = g_vertices[0].y =
- g_vertices[0].z = g_vertices[1].z = 0;
-
- fbimg_height = (int)(240.0 * currentConfig.scale + 0.5);
- if (Pico.video.reg[12] & 1) {
- fbimg_width = (int)(320.0 * currentConfig.scale * currentConfig.hscale40 + 0.5);
- src_width = 320;
- } else {
- fbimg_width = (int)(256.0 * currentConfig.scale * currentConfig.hscale32 + 0.5);
- src_width = 256;
- }
-
- if (fbimg_width & 1) fbimg_width++; // make even
- if (fbimg_height & 1) fbimg_height++;
-
- if (fbimg_width >= 480) {
- g_vertices[0].u = (fbimg_width-480)/2;
- g_vertices[1].u = src_width - (fbimg_width-480)/2 - 1;
- fbimg_width = 480;
- fbimg_xoffs = 0;
- } else {
- g_vertices[0].u = 0;
- g_vertices[1].u = src_width;
- fbimg_xoffs = 240 - fbimg_width/2;
- }
- if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1;
-
- if (fbimg_height >= 272) {
- g_vertices[0].v = (fbimg_height-272)/2;
- g_vertices[1].v = 240 - (fbimg_height-272)/2;
- fbimg_height = 272;
- fbimg_yoffs = 0;
- } else {
- g_vertices[0].v = 0;
- g_vertices[1].v = 240;
- fbimg_yoffs = 136 - fbimg_height/2;
- }
-
- g_vertices[1].x = fbimg_width;
- g_vertices[1].y = fbimg_height;
- if (fbimg_xoffs < 0) fbimg_xoffs = 0;
- if (fbimg_yoffs < 0) fbimg_yoffs = 0;
- if (border_hack) {
- g_vertices[0].u++;
- g_vertices[0].x++;
- g_vertices[1].u--;
- g_vertices[1].x--;
- }
- fbimg_offs = (fbimg_yoffs*512 + fbimg_xoffs) * 2; // dst is always 16bit
-
- /*
- lprintf("set_scaling_params:\n");
- lprintf("offs: %i, %i\n", fbimg_xoffs, fbimg_yoffs);
- lprintf("xy0, xy1: %i, %i; %i, %i\n", g_vertices[0].x, g_vertices[0].y, g_vertices[1].x, g_vertices[1].y);
- lprintf("uv0, uv1: %i, %i; %i, %i\n", g_vertices[0].u, g_vertices[0].v, g_vertices[1].u, g_vertices[1].v);
- */
-}
-
-static void do_pal_update(int allow_sh, int allow_as)
-{
- unsigned int *dpal=(void *)localPal;
- int i;
-
- //for (i = 0x3f/2; i >= 0; i--)
- // dpal[i] = ((spal[i]&0x000f000f)<< 1)|((spal[i]&0x00f000f0)<<3)|((spal[i]&0x0f000f00)<<4);
- do_pal_convert(localPal, Pico.cram, currentConfig.gamma, currentConfig.gamma2);
-
- Pico.m.dirtyPal = 0;
- need_pal_upload = 1;
-
- if (allow_sh && (Pico.video.reg[0xC]&8)) // shadow/hilight?
- {
- // shadowed pixels
- for (i = 0x3f/2; i >= 0; i--)
- dpal[0x20|i] = dpal[0x60|i] = (dpal[i]>>1)&0x7bcf7bcf;
- // hilighted pixels
- for (i = 0x3f; i >= 0; i--) {
- int t=localPal[i]&0xf79e;t+=0x4208;
- if (t&0x20) t|=0x1e;
- if (t&0x800) t|=0x780;
- if (t&0x10000) t|=0xf000;
- t&=0xf79e;
- localPal[0x80|i]=(unsigned short)t;
- }
- localPal[0xe0] = 0;
- localPal[0xf0] = 0x001f;
- }
- else if (allow_as && (rendstatus & PDRAW_SPR_LO_ON_HI))
- {
- memcpy32((int *)dpal+0x80/2, (void *)localPal, 0x40*2/4);
- }
-}
-
-static void do_slowmode_lines(int line_to)
-{
- int line = 0, line_len = (Pico.video.reg[12]&1) ? 320 : 256;
- unsigned short *dst = (unsigned short *)VRAM_STUFF + 512*240/2;
- unsigned char *src = (unsigned char *)VRAM_CACHED_STUFF + 16;
- if (!(Pico.video.reg[1]&8)) { line = 8; dst += 512*8; src += 512*8; }
-
- for (; line < line_to; line++, dst+=512, src+=512)
- amips_clut_f(dst, src, localPal, line_len);
-}
-
-static void EmuScanPrepare(void)
-{
- HighCol = (unsigned char *)VRAM_CACHED_STUFF + 8;
- if (!(Pico.video.reg[1]&8)) HighCol += 8*512;
-
- if (dynamic_palette > 0)
- dynamic_palette--;
-
- if (Pico.m.dirtyPal)
- do_pal_update(1, 1);
- if ((rendstatus & PDRAW_SPR_LO_ON_HI) && !(Pico.video.reg[0xC]&8))
- amips_clut_f = amips_clut_6bit;
- else amips_clut_f = amips_clut;
-}
-
-static int EmuScanSlowBegin(unsigned int num)
-{
- if (!dynamic_palette)
- HighCol = (unsigned char *)VRAM_CACHED_STUFF + num * 512 + 8;
-
- return 0;
-}
-
-static int EmuScanSlowEnd(unsigned int num)
-{
- if (Pico.m.dirtyPal) {
- if (!dynamic_palette) {
- do_slowmode_lines(num);
- dynamic_palette = 3; // last for 2 more frames
- }
- do_pal_update(1, 1);
- }
-
- if (dynamic_palette) {
- int line_len = (Pico.video.reg[12]&1) ? 320 : 256;
- void *dst = (char *)VRAM_STUFF + 512*240 + 512*2*num;
- amips_clut_f(dst, HighCol + 8, localPal, line_len);
- }
-
- return 0;
-}
-
-static void blitscreen_clut(void)
-{
- int offs = fbimg_offs;
- offs += (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
-
- sceGuSync(0,0); // sync with prev
- sceGuStart(GU_DIRECT, guCmdList);
- sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
-
- if (dynamic_palette)
- {
- if (!blit_16bit_mode) { // the current mode is not 16bit
- sceGuTexMode(GU_PSM_5650, 0, 0, 0);
- sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 512*240);
-
- blit_16bit_mode = 1;
- }
- }
- else
- {
- if (blit_16bit_mode) {
- sceGuClutMode(GU_PSM_5650,0,0xff,0);
- sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
- sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
- blit_16bit_mode = 0;
- }
-
- if ((PicoOpt&0x10) && Pico.m.dirtyPal)
- do_pal_update(0, 0);
-
- sceKernelDcacheWritebackAll();
-
- if (need_pal_upload) {
- need_pal_upload = 0;
- sceGuClutLoad((256/8), localPal); // upload 32*8 entries (256)
- }
- }
-
-#if 1
- if (g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x)
- {
- struct Vertex* vertices;
- int x;
-
- #define SLICE_WIDTH 32
- for (x = 0; x < g_vertices[1].x; x += SLICE_WIDTH)
- {
- // render sprite
- vertices = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
- memcpy(vertices, g_vertices, 2 * sizeof(struct Vertex));
- vertices[0].u = vertices[0].x = x;
- vertices[1].u = vertices[1].x = x + SLICE_WIDTH;
- sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vertices);
- }
- // lprintf("listlen: %iB\n", sceGuCheckList()); // ~480 only
- }
- else
-#endif
- sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,g_vertices);
-
- sceGuFinish();
-}
-
-
-static void cd_leds(void)
-{
- unsigned int reg, col_g, col_r, *p;
-
- reg = Pico_mcd->s68k_regs[0];
-
- p = (unsigned int *)((short *)psp_screen + 512*2+4+2);
- col_g = (reg & 2) ? 0x06000600 : 0;
- col_r = (reg & 1) ? 0x00180018 : 0;
- *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
- *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 512/2 - 12/2;
- *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r;
-}
-
-static void draw_pico_ptr(void)
-{
- unsigned char *p = (unsigned char *)VRAM_STUFF + 16;
-
- // only if pen enabled and for 8bit mode
- if (pico_inp_mode == 0 || blit_16bit_mode) return;
-
- p += 512 * (pico_pen_y + PICO_PEN_ADJUST_Y);
- p += pico_pen_x + PICO_PEN_ADJUST_X;
- p[ -1] = 0xe0; p[ 0] = 0xf0; p[ 1] = 0xe0;
- p[ 511] = 0xf0; p[ 512] = 0xf0; p[ 513] = 0xf0;
- p[1023] = 0xe0; p[1024] = 0xf0; p[1025] = 0xe0;
-}
-
-
-#if 0
-static void dbg_text(void)
-{
- int *p, h, len;
- char text[128];
-
- sprintf(text, "sl: %i, 16b: %i", g_vertices[0].u == 0 && g_vertices[1].u == g_vertices[1].x, blit_16bit_mode);
- len = strlen(text) * 8 / 2;
- for (h = 0; h < 8; h++) {
- p = (int *) ((unsigned short *) psp_screen+2+512*(256+h));
- p = (int *) ((int)p & ~3); // align
- memset32_uncached(p, 0, len);
- }
- emu_text_out16(2, 256, text);
-}
-#endif
-
-/* called after rendering is done, but frame emulation is not finished */
-void blit1(void)
-{
- if (PicoOpt&0x10)
- {
- int i;
- unsigned char *pd;
- // clear top and bottom trash
- for (pd = PicoDraw2FB+8, i = 8; i > 0; i--, pd += 512)
- memset32((int *)pd, 0xe0e0e0e0, 320/4);
- for (pd = PicoDraw2FB+512*232+8, i = 8; i > 0; i--, pd += 512)
- memset32((int *)pd, 0xe0e0e0e0, 320/4);
- }
-
- if (PicoAHW & PAHW_PICO)
- draw_pico_ptr();
-
- blitscreen_clut();
-}
-
-
-static void blit2(const char *fps, const char *notice, int lagging_behind)
-{
- int vsync = 0, emu_opt = currentConfig.EmuOpt;
-
- if (notice || (emu_opt & 2)) {
- if (notice) osd_text(4, notice, 0, 0);
- if (emu_opt & 2) osd_text(OSD_FPS_X, fps, 0, 0);
- }
-
- //dbg_text();
-
- if ((emu_opt & 0x400) && (PicoAHW & PAHW_MCD))
- cd_leds();
-
- if (currentConfig.EmuOpt & 0x2000) { // want vsync
- if (!(currentConfig.EmuOpt & 0x10000) || !lagging_behind) vsync = 1;
- }
-
- psp_video_flip(vsync);
-}
-
-// clears whole screen or just the notice area (in all buffers)
-static void clearArea(int full)
-{
- if (full) {
- memset32_uncached(psp_screen, 0, 512*272*2/4);
- psp_video_flip(0);
- memset32_uncached(psp_screen, 0, 512*272*2/4);
- memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*240/4);
- memset32((int *)VRAM_CACHED_STUFF+512*240/4, 0, 512*240*2/4);
- } else {
- void *fb = psp_video_get_active_fb();
- memset32_uncached((int *)((char *)psp_screen + 512*264*2), 0, 512*8*2/4);
- memset32_uncached((int *)((char *)fb + 512*264*2), 0, 512*8*2/4);
- }
-}
-
-static void vidResetMode(void)
-{
- // setup GU
- sceGuSync(0,0); // sync with prev
- sceGuStart(GU_DIRECT, guCmdList);
-
- sceGuClutMode(GU_PSM_5650,0,0xff,0);
- sceGuTexMode(GU_PSM_T8,0,0,0); // 8-bit image
- sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
- if (currentConfig.scaling)
- sceGuTexFilter(GU_LINEAR, GU_LINEAR);
- else sceGuTexFilter(GU_NEAREST, GU_NEAREST);
- sceGuTexScale(1.0f,1.0f);
- sceGuTexOffset(0.0f,0.0f);
-
- sceGuTexImage(0,512,512,512,(char *)VRAM_STUFF + 16);
-
- // slow rend.
- PicoDrawSetOutFormat(PDF_NONE, 0);
- PicoDrawSetCallbacks(EmuScanSlowBegin, EmuScanSlowEnd);
-
- localPal[0xe0] = 0;
- localPal[0xf0] = 0x001f;
- Pico.m.dirtyPal = 1;
- blit_16bit_mode = dynamic_palette = 0;
-
- sceGuFinish();
- set_scaling_params();
- sceGuSync(0,0);
-}
-
-void plat_debug_cat(char *str)
-{
- strcat(str, blit_16bit_mode ? "soft clut\n" : "hard clut\n");
-}
-
-
-/* sound stuff */
-#define SOUND_BLOCK_SIZE_NTSC (1470*2) // 1024 // 1152
-#define SOUND_BLOCK_SIZE_PAL (1764*2)
-#define SOUND_BLOCK_COUNT 8
-
-static short __attribute__((aligned(4))) sndBuffer[SOUND_BLOCK_SIZE_PAL*SOUND_BLOCK_COUNT + 44100/50*2];
-static short *snd_playptr = NULL, *sndBuffer_endptr = NULL;
-static int samples_made = 0, samples_done = 0, samples_block = 0;
-static int sound_thread_exit = 0;
-static SceUID sound_sem = -1;
-
-static void writeSound(int len);
-
-static int sound_thread(SceSize args, void *argp)
-{
- int ret = 0;
-
- lprintf("sthr: started, priority %i\n", sceKernelGetThreadCurrentPriority());
-
- while (!sound_thread_exit)
- {
- if (samples_made - samples_done < samples_block) {
- // wait for data (use at least 2 blocks)
- //lprintf("sthr: wait... (%i)\n", samples_made - samples_done);
- while (samples_made - samples_done <= samples_block*2 && !sound_thread_exit)
- ret = sceKernelWaitSema(sound_sem, 1, 0);
- if (ret < 0) lprintf("sthr: sceKernelWaitSema: %i\n", ret);
- continue;
- }
-
- // lprintf("sthr: got data: %i\n", samples_made - samples_done);
-
- ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
-
- samples_done += samples_block;
- snd_playptr += samples_block;
- if (snd_playptr >= sndBuffer_endptr)
- snd_playptr = sndBuffer;
- // 1.5 kernel returns 0, newer ones return # of samples queued
- if (ret < 0)
- lprintf("sthr: sceAudio_E0727056: %08x; pos %i/%i\n", ret, samples_done, samples_made);
-
- // shouln't happen, but just in case
- if (samples_made - samples_done >= samples_block*3) {
- //lprintf("sthr: block skip (%i)\n", samples_made - samples_done);
- samples_done += samples_block; // skip
- snd_playptr += samples_block;
- }
-
- }
-
- lprintf("sthr: exit\n");
- sceKernelExitDeleteThread(0);
- return 0;
-}
-
-static void sound_init(void)
-{
- SceUID thid;
- int ret;
-
- sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
- if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
-
- samples_made = samples_done = 0;
- samples_block = SOUND_BLOCK_SIZE_NTSC; // make sure it goes to sema
- sound_thread_exit = 0;
- thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
- if (thid >= 0)
- {
- ret = sceKernelStartThread(thid, 0, 0);
- if (ret < 0) lprintf("sound_init: sceKernelStartThread returned %08x\n", ret);
- }
- else
- lprintf("sceKernelCreateThread failed: %i\n", thid);
-}
-
-void pemu_sound_start(void)
-{
- static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
- int ret, stereo;
-
- samples_made = samples_done = 0;
-
- if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
- PsndRerate(Pico.m.frame_count ? 1 : 0);
- }
- stereo=(PicoOpt&8)>>3;
-
- samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
- if (PsndRate <= 22050) samples_block /= 2;
- sndBuffer_endptr = &sndBuffer[samples_block*SOUND_BLOCK_COUNT];
-
- lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
- PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
-
- // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
- // sceAudio_5C37C0AE();
- ret = sceAudio_38553111(samples_block/2, PsndRate, 2); // seems to not need that stupid 64byte alignment
- if (ret < 0) {
- lprintf("sceAudio_38553111() failed: %i\n", ret);
- emu_status_msg("sound init failed (%i), snd disabled", ret);
- currentConfig.EmuOpt &= ~EOPT_EN_SOUND;
- } else {
- PicoWriteSound = writeSound;
- memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
- snd_playptr = sndBuffer_endptr - samples_block;
- samples_made = samples_block; // send 1 empty block first..
- PsndOut = sndBuffer;
- PsndRate_old = PsndRate;
- PicoOpt_old = PicoOpt;
- pal_old = Pico.m.pal;
- }
-}
-
-void pemu_sound_stop(void)
-{
- int i;
- if (samples_done == 0)
- {
- // if no data is written between sceAudio_38553111 and sceAudio_5C37C0AE calls,
- // we get a deadlock on next sceAudio_38553111 call
- // so this is yet another workaround:
- memset32((int *)(void *)sndBuffer, 0, samples_block*4/4);
- samples_made = samples_block * 3;
- sceKernelSignalSema(sound_sem, 1);
- }
- sceKernelDelayThread(100*1000);
- samples_made = samples_done = 0;
- for (i = 0; sceAudioOutput2GetRestSample() > 0 && i < 16; i++)
- psp_msleep(100);
- sceAudio_5C37C0AE();
-}
-
-/* wait until we can write more sound */
-void pemu_sound_wait(void)
-{
- // TODO: test this
- while (!sound_thread_exit && samples_made - samples_done > samples_block * 4)
- psp_msleep(10);
-}
-
-static void sound_deinit(void)
-{
- sound_thread_exit = 1;
- sceKernelSignalSema(sound_sem, 1);
- sceKernelDeleteSema(sound_sem);
- sound_sem = -1;
-}
-
-static void writeSound(int len)
-{
- int ret;
-
- PsndOut += len / 2;
- /*if (PsndOut > sndBuffer_endptr) {
- memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
- PsndOut = &sndBuffer[PsndOut - endptr];
- lprintf("mov\n");
- }
- else*/
- if (PsndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PsndOut - sndBuffer_endptr);
- if (PsndOut >= sndBuffer_endptr)
- PsndOut = sndBuffer;
-
- // signal the snd thread
- samples_made += len / 2;
- if (samples_made - samples_done > samples_block*2) {
- // lprintf("signal, %i/%i\n", samples_done, samples_made);
- ret = sceKernelSignalSema(sound_sem, 1);
- //if (ret < 0) lprintf("snd signal ret %08x\n", ret);
- }
-}
-
-
-static void SkipFrame(void)
-{
- PicoSkipFrame=1;
- PicoFrame();
- PicoSkipFrame=0;
-}
-
-void pemu_forced_frame(int no_scale, int do_emu)
-{
- int po_old = PicoOpt;
- int eo_old = currentConfig.EmuOpt;
-
- PicoOpt &= ~POPT_ALT_RENDERER;
- PicoOpt |= POPT_ACC_SPRITES;
- if (!no_scale)
- PicoOpt |= POPT_EN_SOFTSCALE;
- currentConfig.EmuOpt |= 0x80;
-
- vidResetMode();
- memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
- memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
- memset32_uncached((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
-
- PicoDrawSetOutFormat(PDF_NONE, 0);
- PicoDrawSetCallbacks(EmuScanSlowBegin, EmuScanSlowEnd);
- EmuScanPrepare();
- PicoFrameDrawOnly();
- blit1();
- sceGuSync(0,0);
-
- PicoOpt = po_old;
- currentConfig.EmuOpt = eo_old;
-}
-
-
-static void RunEventsPico(unsigned int events, unsigned int keys)
-{
- emu_RunEventsPico(events);
-
- if (pico_inp_mode != 0)
- {
- PicoPad[0] &= ~0x0f; // release UDLR
- if (keys & PBTN_UP) { pico_pen_y--; if (pico_pen_y < 8) pico_pen_y = 8; }
- if (keys & PBTN_DOWN) { pico_pen_y++; if (pico_pen_y > 224-PICO_PEN_ADJUST_Y) pico_pen_y = 224-PICO_PEN_ADJUST_Y; }
- if (keys & PBTN_LEFT) { pico_pen_x--; if (pico_pen_x < 0) pico_pen_x = 0; }
- if (keys & PBTN_RIGHT) {
- int lim = (Pico.video.reg[12]&1) ? 319 : 255;
- pico_pen_x++;
- if (pico_pen_x > lim-PICO_PEN_ADJUST_X)
- pico_pen_x = lim-PICO_PEN_ADJUST_X;
- }
- PicoPicohw.pen_pos[0] = pico_pen_x;
- if (!(Pico.video.reg[12]&1)) PicoPicohw.pen_pos[0] += pico_pen_x/4;
- PicoPicohw.pen_pos[0] += 0x3c;
- PicoPicohw.pen_pos[1] = pico_inp_mode == 1 ? (0x2f8 + pico_pen_y) : (0x1fc + pico_pen_y);
- }
-}
-
-static void RunEvents(unsigned int which)
-{
- if (which & 0x1800) // save or load (but not both)
- {
- int do_it = 1;
-
- if ( emu_check_save_file(state_slot) &&
- (( (which & 0x1000) && (currentConfig.EmuOpt & 0x800)) || // load
- (!(which & 0x1000) && (currentConfig.EmuOpt & 0x200))) ) // save
- {
- int keys;
- sceGuSync(0,0);
- blit2("", (which & 0x1000) ? "LOAD STATE? (X=yes, O=no)" : "OVERWRITE SAVE? (X=yes, O=no)", 0);
- while( !((keys = psp_pad_read(1)) & (PBTN_X|PBTN_CIRCLE)) )
- psp_msleep(50);
- if (keys & PBTN_CIRCLE) do_it = 0;
- while( ((keys = psp_pad_read(1)) & (PBTN_X|PBTN_CIRCLE)) ) // wait for release
- psp_msleep(50);
- clearArea(0);
- }
-
- if (do_it)
- {
- osd_text(4, (which & 0x1000) ? "LOADING GAME" : "SAVING GAME", 1, 0);
- PicoStateProgressCB = emu_msg_cb;
- emu_save_load_game((which & 0x1000) >> 12, 0);
- PicoStateProgressCB = NULL;
- psp_msleep(0);
- }
-
- reset_timing = 1;
- }
- if (which & 0x0400) // switch renderer
- {
- if (PicoOpt&0x10) { PicoOpt&=~0x10; currentConfig.EmuOpt |= 0x80; }
- else { PicoOpt|= 0x10; currentConfig.EmuOpt &= ~0x80; }
-
- vidResetMode();
-
- if (PicoOpt & POPT_ALT_RENDERER)
- emu_status_msg("fast renderer");
- else if (currentConfig.EmuOpt&0x80)
- emu_status_msg("accurate renderer");
- }
- if (which & 0x0300)
- {
- if(which&0x0200) {
- state_slot -= 1;
- if(state_slot < 0) state_slot = 9;
- } else {
- state_slot += 1;
- if(state_slot > 9) state_slot = 0;
- }
- emu_status_msg("SAVE SLOT %i [%s]", state_slot,
- emu_check_save_file(state_slot) ? "USED" : "FREE");
- }
-}
-
-static void updateKeys(void)
-{
- unsigned int keys, allActions[2] = { 0, 0 }, events;
- static unsigned int prevEvents = 0;
- int i;
-
- /* FIXME: port to input fw, merge with emu.c:emu_update_input() */
- keys = psp_pad_read(0);
- if (keys & PSP_CTRL_HOME)
- sceDisplayWaitVblankStart();
-
- if (keys & PBTN_SELECT)
- engineState = PGS_Menu;
-
- keys &= CONFIGURABLE_KEYS;
-
- PicoPad[0] = allActions[0] & 0xfff;
- PicoPad[1] = allActions[1] & 0xfff;
-
- if (allActions[0] & 0x7000) emu_DoTurbo(&PicoPad[0], allActions[0]);
- if (allActions[1] & 0x7000) emu_DoTurbo(&PicoPad[1], allActions[1]);
-
- events = (allActions[0] | allActions[1]) >> 16;
-
- if ((events ^ prevEvents) & 0x40) {
- emu_set_fastforward(events & 0x40);
- reset_timing = 1;
- }
-
- events &= ~prevEvents;
-
- if (PicoAHW == PAHW_PICO)
- RunEventsPico(events, keys);
- if (events) RunEvents(events);
- if (movie_data) emu_updateMovie();
-
- prevEvents = (allActions[0] | allActions[1]) >> 16;
-}
-
-
-static void simpleWait(unsigned int until)
-{
- unsigned int tval;
- int diff;
-
- tval = sceKernelGetSystemTimeLow();
- diff = (int)until - (int)tval;
- if (diff >= 512 && diff < 100*1024)
- sceKernelDelayThread(diff);
-}
-
-void pemu_loop(void)
-{
- static int mp3_init_done = 0;
- char fpsbuff[24]; // fps count c string
- unsigned int tval, tval_thissec = 0; // timing
- int target_fps, target_frametime, lim_time, tval_diff, i, oldmodes = 0;
- int pframes_done, pframes_shown; // "period" frames, used for sync
- int frames_done, frames_shown, tval_fpsc = 0; // actual frames
- char *notice = NULL;
-
- lprintf("entered emu_Loop()\n");
-
- fpsbuff[0] = 0;
-
- if (currentConfig.CPUclock != psp_get_cpu_clock()) {
- lprintf("setting cpu clock to %iMHz... ", currentConfig.CPUclock);
- i = psp_set_cpu_clock(currentConfig.CPUclock);
- lprintf(i ? "failed\n" : "done\n");
- currentConfig.CPUclock = psp_get_cpu_clock();
- }
-
- // make sure we are in correct mode
- vidResetMode();
- clearArea(1);
- Pico.m.dirtyPal = 1;
- oldmodes = ((Pico.video.reg[12]&1)<<2) ^ 0xc;
-
- // pal/ntsc might have changed, reset related stuff
- target_fps = Pico.m.pal ? 50 : 60;
- target_frametime = Pico.m.pal ? (1000000<<8)/50 : (1000000<<8)/60+1;
- reset_timing = 1;
-
- if (PicoAHW & PAHW_MCD) {
- // prepare CD buffer
- PicoCDBufferInit();
- // mp3...
- if (!mp3_init_done) {
- i = mp3_init();
- mp3_init_done = 1;
- if (i) { engineState = PGS_Menu; return; }
- }
- }
-
- // prepare sound stuff
- PsndOut = NULL;
- if (currentConfig.EmuOpt & EOPT_EN_SOUND)
- {
- pemu_sound_start();
- }
-
- sceDisplayWaitVblankStart();
- pframes_shown = pframes_done =
- frames_shown = frames_done = 0;
-
- tval_fpsc = sceKernelGetSystemTimeLow();
-
- // loop?
- while (engineState == PGS_Running)
- {
- int modes;
-
- tval = sceKernelGetSystemTimeLow();
- if (reset_timing || tval < tval_fpsc) {
- //stdbg("timing reset");
- reset_timing = 0;
- tval_thissec = tval;
- pframes_shown = pframes_done = 0;
- }
-
- // show notice message?
- if (noticeMsgTime) {
- static int noticeMsgSum;
- if (tval - noticeMsgTime > 2000000) { // > 2.0 sec
- noticeMsgTime = 0;
- clearArea(0);
- notice = 0;
- } else {
- int sum = noticeMsg[0]+noticeMsg[1]+noticeMsg[2];
- if (sum != noticeMsgSum) { clearArea(0); noticeMsgSum = sum; }
- notice = noticeMsg;
- }
- }
-
- // check for mode changes
- modes = ((Pico.video.reg[12]&1)<<2)|(Pico.video.reg[1]&8);
- if (modes != oldmodes) {
- oldmodes = modes;
- clearArea(1);
- set_scaling_params();
- }
-
- // second passed?
- if (tval - tval_fpsc >= 1000000)
- {
- if (currentConfig.EmuOpt & 2)
- sprintf(fpsbuff, "%02i/%02i ", frames_shown, frames_done);
- frames_done = frames_shown = 0;
- tval_fpsc += 1000000;
- }
-
- if (tval - tval_thissec >= 1000000)
- {
- // missing 1 frame?
- if (currentConfig.Frameskip < 0 && pframes_done < target_fps) {
- SkipFrame(); pframes_done++; frames_done++;
- }
-
- tval_thissec += 1000000;
-
- if (currentConfig.Frameskip < 0) {
- pframes_done -= target_fps; if (pframes_done < 0) pframes_done = 0;
- pframes_shown -= target_fps; if (pframes_shown < 0) pframes_shown = 0;
- if (pframes_shown > pframes_done) pframes_shown = pframes_done;
- } else {
- pframes_done = pframes_shown = 0;
- }
- }
-#ifdef PFRAMES
- sprintf(fpsbuff, "%i", Pico.m.frame_count);
-#endif
-
- lim_time = (pframes_done+1) * target_frametime;
- if (currentConfig.Frameskip >= 0) // frameskip enabled
- {
- for (i = 0; i < currentConfig.Frameskip; i++) {
- updateKeys();
- SkipFrame(); pframes_done++; frames_done++;
- if (!(currentConfig.EmuOpt&0x40000)) { // do framelimitting if needed
- int tval_diff;
- tval = sceKernelGetSystemTimeLow();
- tval_diff = (int)(tval - tval_thissec) << 8;
- if (tval_diff < lim_time) // we are too fast
- simpleWait(tval + ((lim_time - tval_diff)>>8));
- }
- lim_time += target_frametime;
- }
- }
- else // auto frameskip
- {
- int tval_diff;
- tval = sceKernelGetSystemTimeLow();
- tval_diff = (int)(tval - tval_thissec) << 8;
- if (tval_diff > lim_time && (pframes_done/16 < pframes_shown))
- {
- // no time left for this frame - skip
- if (tval_diff - lim_time >= (300000<<8)) {
- reset_timing = 1;
- continue;
- }
- updateKeys();
- SkipFrame(); pframes_done++; frames_done++;
- continue;
- }
- }
-
- updateKeys();
-
- if (!(PicoOpt&0x10))
- EmuScanPrepare();
-
- PicoFrame();
-
- sceGuSync(0,0);
-
- // check time
- tval = sceKernelGetSystemTimeLow();
- tval_diff = (int)(tval - tval_thissec) << 8;
-
- blit2(fpsbuff, notice, tval_diff > lim_time);
-
- if (currentConfig.Frameskip < 0 && tval_diff - lim_time >= (300000<<8)) { // slowdown detection
- reset_timing = 1;
- }
- else if (!(currentConfig.EmuOpt&0x40000) || currentConfig.Frameskip < 0)
- {
- // sleep if we are still too fast
- if (tval_diff < lim_time)
- {
- // we are too fast
- simpleWait(tval + ((lim_time - tval_diff) >> 8));
- }
- }
-
- pframes_done++; pframes_shown++;
- frames_done++; frames_shown++;
- }
-
-
- emu_set_fastforward(0);
-
- if (PicoAHW & PAHW_MCD) PicoCDBufferFree();
-
- if (PsndOut != NULL) {
- pemu_sound_stop();
- PsndOut = NULL;
- }
-
- // save SRAM
- if ((currentConfig.EmuOpt & 1) && SRam.changed) {
- emu_msg_cb("Writing SRAM/BRAM..");
- emu_save_load_game(0, 1);
- SRam.changed = 0;
- }
-
- // clear fps counters and stuff
- memset32_uncached((int *)psp_video_get_active_fb() + 512*264*2/4, 0, 512*8*2/4);
-}
-
-void emu_HandleResume(void)
-{
- if (!(PicoAHW & PAHW_MCD)) return;
-
- // reopen first CD track
- if (Pico_mcd->TOC.Tracks[0].F != NULL)
- {
- char *fname = rom_fname_reload;
- int len = strlen(rom_fname_reload);
- cue_data_t *cue_data = NULL;
-
- if (len > 4 && strcasecmp(fname + len - 4, ".cue") == 0)
- {
- cue_data = cue_parse(rom_fname_reload);
- if (cue_data != NULL)
- fname = cue_data->tracks[1].fname;
- }
-
- lprintf("emu_HandleResume: reopen %s\n", fname);
- pm_close(Pico_mcd->TOC.Tracks[0].F);
- Pico_mcd->TOC.Tracks[0].F = pm_open(fname);
- lprintf("reopen %s\n", Pico_mcd->TOC.Tracks[0].F != NULL ? "ok" : "failed");
-
- if (cue_data != NULL) cue_destroy(cue_data);
- }
-
- mp3_reopen_file();
-
- if (!(Pico_mcd->s68k_regs[0x36] & 1) && (Pico_mcd->scd.Status_CDC & 1))
- cdda_start_play();
-}
-
notaz.gp2x.de / libpicofe.git / blobdiff