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- /*
- * PicoDrive
- * (C) notaz, 2007,2008
- *
- * This work is licensed under the terms of MAME license.
- * See COPYING file in the top-level directory.
- */
- #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 "emu.h"
- #include "mp3.h"
- #include "in_psp.h"
- #include "asm_utils.h"
- #include "../common/emu.h"
- #include "../common/input_pico.h"
- #include "platform/libpicofe/input.h"
- #include "platform/libpicofe/menu.h"
- #include "platform/libpicofe/plat.h"
- #include <pico/pico_int.h>
- #include <pico/cd/genplus_macros.h>
- #include <pico/cd/cdd.h>
- #define OSD_FPS_X 432
- int engineStateSuspend;
- #define PICO_PEN_ADJUST_X 4
- #define PICO_PEN_ADJUST_Y 2
- struct Vertex
- {
- short u,v;
- short x,y,z;
- };
- static struct Vertex __attribute__((aligned(4))) g_vertices[2];
- static u16 __attribute__((aligned(16))) localPal[0x100];
- static int need_pal_upload = 0;
- static u16 __attribute__((aligned(16))) osd_buf[512*8]; // buffer for osd text
- static int out_x, out_y;
- static int out_w, out_h;
- static float hscale, vscale;
- static struct in_default_bind in_psp_defbinds[] =
- {
- { PSP_CTRL_UP, IN_BINDTYPE_PLAYER12, GBTN_UP },
- { PSP_CTRL_DOWN, IN_BINDTYPE_PLAYER12, GBTN_DOWN },
- { PSP_CTRL_LEFT, IN_BINDTYPE_PLAYER12, GBTN_LEFT },
- { PSP_CTRL_RIGHT, IN_BINDTYPE_PLAYER12, GBTN_RIGHT },
- { PSP_CTRL_SQUARE, IN_BINDTYPE_PLAYER12, GBTN_A },
- { PSP_CTRL_CROSS, IN_BINDTYPE_PLAYER12, GBTN_B },
- { PSP_CTRL_CIRCLE, IN_BINDTYPE_PLAYER12, GBTN_C },
- { PSP_CTRL_START, IN_BINDTYPE_PLAYER12, GBTN_START },
- { PSP_CTRL_TRIANGLE, IN_BINDTYPE_EMU, PEVB_SWITCH_RND },
- { PSP_CTRL_LTRIGGER, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
- { PSP_CTRL_RTRIGGER, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
- { PSP_CTRL_SELECT, IN_BINDTYPE_EMU, PEVB_MENU },
- { 0, 0, 0 }
- };
- const char *renderer_names[] = { "16bit accurate", " 8bit accurate", " 8bit fast", NULL };
- const char *renderer_names32x[] = { "accurate", "faster", "fastest", NULL };
- enum renderer_types { RT_16BIT, RT_8BIT_ACC, RT_8BIT_FAST, RT_COUNT };
- #define is_16bit_mode() \
- (currentConfig.renderer == RT_16BIT || (PicoIn.AHW & PAHW_32X))
- static int get_renderer(void)
- {
- if (PicoIn.AHW & PAHW_32X)
- return currentConfig.renderer32x;
- else
- return currentConfig.renderer;
- }
- static void change_renderer(int diff)
- {
- int *r;
- if (PicoIn.AHW & PAHW_32X)
- r = ¤tConfig.renderer32x;
- else
- r = ¤tConfig.renderer;
- *r += diff;
- if (*r >= RT_COUNT)
- *r = 0;
- else if (*r < 0)
- *r = RT_COUNT - 1;
- }
- static void apply_renderer(void)
- {
- PicoIn.opt &= ~(POPT_ALT_RENDERER|POPT_EN_SOFTSCALE);
- switch (get_renderer()) {
- case RT_16BIT:
- PicoDrawSetOutFormat(PDF_RGB555, 0);
- break;
- case RT_8BIT_ACC:
- PicoDrawSetOutFormat(PDF_8BIT, 0);
- break;
- case RT_8BIT_FAST:
- PicoIn.opt |= POPT_ALT_RENDERER;
- PicoDrawSetOutFormat(PDF_NONE, 0);
- break;
- }
- }
- static void osd_text(int x, const char *text)
- {
- struct Vertex* vx;
- int len = strlen(text) * 8 / 2;
- int *p, h;
- void *tmp = g_screen_ptr;
- g_screen_ptr = osd_buf;
- for (h = 0; h < 8; h++) {
- p = (int *) (osd_buf+x+512*h);
- p = (int *) ((int)p & ~3); // align
- memset32_uncached(p, 0, len);
- }
- emu_text_out16(x, 0, text);
- g_screen_ptr = tmp;
- vx = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
- vx[0].u = x, vx[0].v = 0;
- vx[1].u = x + len*2, vx[1].v = 8;
- vx[0].x = x, vx[0].y = 264;
- vx[1].x = x + len*2, vx[1].y = 272;
- sceGuTexMode(GU_PSM_5650,0,0,0);
- sceGuTexImage(0,512,8,512,osd_buf);
- sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vx);
- }
- static void set_scaling_params(void)
- {
- int fbimg_width, fbimg_height, fbimg_xoffs, fbimg_yoffs, border_hack = 0;
- g_vertices[0].z = g_vertices[1].z = 0;
- fbimg_height = (int)(out_h * vscale + 0.5);
- fbimg_width = (int)(out_w * hscale + 0.5);
- if (fbimg_width & 1) fbimg_width++; // make even
- if (fbimg_height & 1) fbimg_height++;
- if (fbimg_width >= 480) {
- g_vertices[0].u = out_x + (fbimg_width-480)/2;
- g_vertices[1].u = out_x + out_w - (fbimg_width-480)/2 - 1;
- fbimg_width = 480;
- fbimg_xoffs = 0;
- } else {
- g_vertices[0].u = out_x;
- g_vertices[1].u = out_x + out_w;
- fbimg_xoffs = 240 - fbimg_width/2;
- }
- if (fbimg_width > 320 && fbimg_width <= 480) border_hack = 1;
- if (fbimg_height >= 272) {
- g_vertices[0].v = out_y + (fbimg_height-272)/2;
- g_vertices[1].v = out_y + out_h - (fbimg_height-272)/2;
- fbimg_height = 272;
- fbimg_yoffs = 0;
- } else {
- g_vertices[0].v = out_y;
- g_vertices[1].v = out_y + out_h;
- fbimg_yoffs = 136 - fbimg_height/2;
- }
- if (fbimg_xoffs < 0) fbimg_xoffs = 0;
- if (fbimg_yoffs < 0) fbimg_yoffs = 0;
- g_vertices[0].x = fbimg_xoffs;
- g_vertices[0].y = fbimg_yoffs;
- g_vertices[1].x = fbimg_xoffs + fbimg_width;
- g_vertices[1].y = fbimg_yoffs + fbimg_height;
- if (!is_16bit_mode()) {
- // 8-bit modes have an 8 px overlap area on the left
- g_vertices[0].u += 8; g_vertices[1].u += 8;
- }
- if (border_hack) {
- g_vertices[0].u++; g_vertices[1].u--;
- g_vertices[0].x++; g_vertices[1].x--;
- }
- /*
- 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_sms(void)
- {
- static u16 tmspal[32] = {
- // SMS palette
- 0x0000, 0x0000, 0x00a0, 0x00f0, 0x0500, 0x0f00, 0x0005, 0x0ff0,
- 0x000a, 0x000f, 0x0055, 0x00ff, 0x0050, 0x0f0f, 0x0555, 0x0fff,
- };
- int i;
-
- if (!(Pico.video.reg[0] & 0x4)) {
- for (i = Pico.est.SonicPalCount; i >= 0; i--)
- do_pal_convert(localPal+i*0x40, tmspal, currentConfig.gamma, currentConfig.gamma2);
- } else {
- for (i = Pico.est.SonicPalCount; i >= 0; i--)
- do_pal_convert(localPal+i*0x40, Pico.est.SonicPal+i*0x40, currentConfig.gamma, currentConfig.gamma2);
- }
- if (Pico.m.dirtyPal == 2)
- Pico.m.dirtyPal = 0;
- need_pal_upload = 1;
- }
- static void do_pal_update(void)
- {
- u32 *dpal=(void *)localPal;
- int i;
- if (PicoIn.opt & POPT_ALT_RENDERER) {
- do_pal_convert(localPal, PicoMem.cram, currentConfig.gamma, currentConfig.gamma2);
- Pico.m.dirtyPal = 0;
- }
- else if (Pico.est.rendstatus & PDRAW_SONIC_MODE)
- {
- switch (Pico.est.SonicPalCount) {
- case 3: do_pal_convert(localPal+0xc0, Pico.est.SonicPal+0xc0, currentConfig.gamma, currentConfig.gamma2);
- case 2: do_pal_convert(localPal+0x80, Pico.est.SonicPal+0x80, currentConfig.gamma, currentConfig.gamma2);
- case 1: do_pal_convert(localPal+0x40, Pico.est.SonicPal+0x40, currentConfig.gamma, currentConfig.gamma2);
- default:do_pal_convert(localPal, Pico.est.SonicPal, currentConfig.gamma, currentConfig.gamma2);
- }
- }
- else if (Pico.video.reg[0xC]&8) // shadow/hilight?
- {
- do_pal_convert(localPal, Pico.est.SonicPal, currentConfig.gamma, currentConfig.gamma2);
- // shadowed pixels
- for (i = 0; i < 0x40 / 2; i++) {
- dpal[0xc0/2 + i] = dpal[i];
- dpal[0x80/2 + i] = (dpal[i] >> 1) & 0x738e738e;
- }
- // hilighted pixels
- for (i = 0; i < 0x40 / 2; i++) {
- u32 t = ((dpal[i] >> 1) & 0x738e738e) + 0x738e738e;
- t |= (t >> 4) & 0x08610861;
- dpal[0x40/2 + i] = t;
- }
- }
- else
- {
- do_pal_convert(localPal, Pico.est.SonicPal, currentConfig.gamma, currentConfig.gamma2);
- memcpy((int *)dpal+0x40/2, (void *)localPal, 0x40*2);
- memcpy((int *)dpal+0x80/2, (void *)localPal, 0x80*2);
- }
- localPal[0xe0] = 0;
- localPal[0xf0] = 0x001f;
- if (Pico.m.dirtyPal == 2)
- Pico.m.dirtyPal = 0;
- need_pal_upload = 1;
- }
- static void blitscreen_clut(void)
- {
- sceGuTexMode(is_16bit_mode() ? GU_PSM_5650:GU_PSM_T8,0,0,0);
- sceGuTexImage(0,512,512,512,g_screen_ptr);
- if (!is_16bit_mode() && Pico.m.dirtyPal) {
- if (PicoIn.AHW & PAHW_SMS)
- do_pal_update_sms();
- else
- do_pal_update();
- }
- 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);
- }
- static void cd_leds(void)
- {
- struct Vertex* vx;
- unsigned int reg, col_g, col_r, *p;
- reg = Pico_mcd->s68k_regs[0];
- p = (unsigned int *)((short *)osd_buf + 512*2+498);
- 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;
- vx = (struct Vertex*)sceGuGetMemory(2 * sizeof(struct Vertex));
- vx[0].u = 497, vx[0].v = 1;
- vx[1].u = 497+14, vx[1].v = 6;
- vx[0].x = 4, vx[0].y = 1;
- vx[1].x = 4+14, vx[1].y = 6;
- sceGuTexMode(GU_PSM_5650,0,0,0);
- sceGuTexImage(0,512,8,512,osd_buf);
- sceGuDrawArray(GU_SPRITES,GU_TEXTURE_16BIT|GU_VERTEX_16BIT|GU_TRANSFORM_2D,2,0,vx);
- }
- static void draw_pico_ptr(void)
- {
- unsigned char *p = (unsigned char *)g_screen_ptr + 8;
- // only if pen enabled and for 8bit mode
- if (pico_inp_mode == 0 || is_16bit_mode()) return;
- p += 512 * (pico_pen_y + PICO_PEN_ADJUST_Y);
- p += pico_pen_x + PICO_PEN_ADJUST_X;
- if (!(Pico.video.reg[12]&1) && !(PicoIn.opt & POPT_DIS_32C_BORDER))
- p += 32;
- 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;
- }
- // clears whole screen or just the notice area (in all buffers)
- static void clearArea(int full)
- {
- void *fb = psp_video_get_active_fb();
- if (full) {
- u32 val = (is_16bit_mode() ? 0x00000000 : 0xe0e0e0e0);
- long sz = 512*272*2;
- memset32_uncached(psp_screen, 0, 512*272*2/4); // frame buffer
- memset32_uncached(fb, 0, 512*272*2/4); // frame buff on display
- memset32(VRAM_CACHED_STUFF, val, 2*sz/4); // 2 draw buffers
- } else {
- 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);
- sceGuTexFunc(GU_TFX_REPLACE,GU_TCC_RGB);
- if (currentConfig.filter)
- sceGuTexFilter(GU_LINEAR, GU_LINEAR);
- else sceGuTexFilter(GU_NEAREST, GU_NEAREST);
- sceGuTexScale(1.0f,1.0f);
- sceGuTexOffset(0.0f,0.0f);
- Pico.m.dirtyPal = 1;
- sceGuFinish();
- set_scaling_params();
- sceGuSync(0,0);
- }
- /* 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 = sceAudioSRCOutputBlocking(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: sceAudioSRCOutputBlocking: %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;
- static int mp3_init_done;
- int ret, stereo;
- samples_made = samples_done = 0;
- if (PicoIn.AHW & PAHW_MCD) {
- // mp3...
- if (!mp3_init_done) {
- ret = mp3_init();
- mp3_init_done = 1;
- if (ret) emu_status_msg("mp3 init failed (%i)", ret);
- }
- }
- ret = POPT_EN_FM|POPT_EN_PSG|POPT_EN_STEREO;
- if (PicoIn.sndRate != PsndRate_old || (PicoIn.opt&ret) != (PicoOpt_old&ret) || Pico.m.pal != pal_old) {
- PsndRerate(Pico.m.frame_count ? 1 : 0);
- }
- stereo=(PicoIn.opt&8)>>3;
- samples_block = Pico.m.pal ? SOUND_BLOCK_SIZE_PAL : SOUND_BLOCK_SIZE_NTSC;
- if (PicoIn.sndRate <= 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",
- PicoIn.sndRate, Pico.snd.len, stereo, Pico.m.pal, samples_block);
- // while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
- // sceAudioSRCChRelease();
- ret = sceAudioSRCChReserve(samples_block/2, PicoIn.sndRate, 2); // seems to not need that stupid 64byte alignment
- if (ret < 0) {
- lprintf("sceAudioSRCChReserve() failed: %i\n", ret);
- emu_status_msg("sound init failed (%i), snd disabled", ret);
- currentConfig.EmuOpt &= ~EOPT_EN_SOUND;
- } else {
- PicoIn.writeSound = writeSound;
- memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
- snd_playptr = sndBuffer_endptr - samples_block;
- samples_made = samples_block; // send 1 empty block first..
- PicoIn.sndOut = sndBuffer;
- PsndRate_old = PicoIn.sndRate;
- PicoOpt_old = PicoIn.opt;
- pal_old = Pico.m.pal;
- }
- }
- void pemu_sound_stop(void)
- {
- int i;
- if (samples_done == 0)
- {
- // if no data is written between sceAudioSRCChReserve and sceAudioSRCChRelease calls,
- // we get a deadlock on next sceAudioSRCChReserve 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);
- sceAudioSRCChRelease();
- }
- /* 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;
- PicoIn.sndOut += len / 2;
- /*if (PicoIn.sndOut > sndBuffer_endptr) {
- memcpy((int *)(void *)sndBuffer, (int *)endptr, (PicoIn.sndOut - endptr + 1) * 2);
- PicoIn.sndOut = &sndBuffer[PicoIn.sndOut - endptr];
- lprintf("mov\n");
- }
- else*/
- if (PicoIn.sndOut > sndBuffer_endptr) lprintf("snd oflow %i!\n", PicoIn.sndOut - sndBuffer_endptr);
- if (PicoIn.sndOut >= sndBuffer_endptr)
- PicoIn.sndOut = 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);
- }
- }
- /* set default configuration values */
- void pemu_prep_defconfig(void)
- {
- defaultConfig.s_PsndRate = 22050;
- defaultConfig.s_PicoCDBuffers = 64;
- defaultConfig.CPUclock = 333;
- defaultConfig.filter = EOPT_FILTER_BILINEAR; // bilinear filtering
- defaultConfig.scaling = EOPT_SCALE_43;
- defaultConfig.vscaling = EOPT_VSCALE_FULL;
- defaultConfig.EmuOpt |= EOPT_SHOW_RTC;
- }
- /* check configuration for inconsistencies */
- void pemu_validate_config(void)
- {
- if (currentConfig.CPUclock < 33 || currentConfig.CPUclock > 333)
- currentConfig.CPUclock = 333;
- if (currentConfig.gamma < -4 || currentConfig.gamma > 16)
- currentConfig.gamma = 0;
- if (currentConfig.gamma2 < 0 || currentConfig.gamma2 > 2)
- currentConfig.gamma2 = 0;
- }
- /* finalize rendering a frame */
- void pemu_finalize_frame(const char *fps, const char *notice)
- {
- int emu_opt = currentConfig.EmuOpt;
- int offs = (psp_screen == VRAM_FB0) ? VRAMOFFS_FB0 : VRAMOFFS_FB1;
- if (PicoIn.AHW & PAHW_PICO)
- draw_pico_ptr();
- sceGuSync(0,0); // sync with prev
- sceGuStart(GU_DIRECT, guCmdList);
- sceGuDrawBuffer(GU_PSM_5650, (void *)offs, 512); // point to back buffer
- blitscreen_clut();
- if (notice) osd_text(4, notice);
- if (emu_opt & 2) osd_text(OSD_FPS_X, fps);
- if ((emu_opt & 0x400) && (PicoIn.AHW & PAHW_MCD))
- cd_leds();
- sceKernelDcacheWritebackAll();
- sceGuFinish();
- }
- /* FIXME: move plat_* to plat? */
- void plat_debug_cat(char *str)
- {
- }
- /* platform dependend emulator initialization */
- void plat_init(void)
- {
- flip_after_sync = 1;
- psp_menu_init();
- in_psp_init(in_psp_defbinds);
- in_probe();
- sound_init();
- plat_get_data_dir(rom_fname_loaded, sizeof(rom_fname_loaded));
- }
- /* platform dependend emulator deinitialization */
- void plat_finish(void)
- {
- sound_deinit();
- }
- /* display emulator status messages before holding emulation */
- void plat_status_msg_busy_first(const char *msg)
- {
- plat_status_msg_busy_next(msg);
- }
- void plat_status_msg_busy_next(const char *msg)
- {
- plat_status_msg_clear();
- pemu_finalize_frame("", msg);
- plat_video_flip();
- emu_status_msg("");
- reset_timing = 1;
- }
- /* clear status message area */
- void plat_status_msg_clear(void)
- {
- clearArea(0);
- }
- /* change the audio volume setting */
- void plat_update_volume(int has_changed, int is_up)
- {
- }
- /* prepare for MD screen mode change */
- void emu_video_mode_change(int start_line, int line_count, int start_col, int col_count)
- {
- /* NTSC always has 224 visible lines, anything smaller has bars */
- if (line_count < 224 && line_count > 144) {
- start_line -= (224-line_count) /2;
- line_count = 224;
- }
- out_y = start_line; out_x = start_col;
- out_h = line_count; out_w = col_count;
- switch (currentConfig.vscaling) {
- case EOPT_VSCALE_PAL:
- vscale = (float)270/240;
- break;
- case EOPT_VSCALE_FULL:
- vscale = (float)270/line_count;
- break;
- default:
- vscale = 1;
- break;
- }
- switch (currentConfig.scaling) {
- case EOPT_SCALE_43:
- hscale = (float)360/col_count;
- break;
- case EOPT_SCALE_WIDE:
- hscale = (float)420/col_count;
- break;
- case EOPT_SCALE_FULL:
- hscale = (float)480/col_count;
- break;
- default:
- hscale = 1;
- break;
- }
- vidResetMode();
- if (col_count < 320) // clear borders from h40 remnants
- clearArea(1);
- }
- /* render one frame in RGB */
- void pemu_forced_frame(int no_scale, int do_emu)
- {
- Pico.m.dirtyPal = 1;
- if (!no_scale)
- no_scale = currentConfig.scaling == EOPT_SCALE_NONE;
- emu_cmn_forced_frame(no_scale, do_emu, g_screen_ptr);
- }
- /* change the platform output rendering */
- void plat_video_toggle_renderer(int change, int is_menu_call)
- {
- change_renderer(change);
- if (is_menu_call)
- return;
- apply_renderer();
- vidResetMode();
- rendstatus_old = -1;
- if (PicoIn.AHW & PAHW_32X)
- emu_status_msg(renderer_names32x[get_renderer()]);
- else
- emu_status_msg(renderer_names[get_renderer()]);
- }
- /* set the buffer for emulator output rendering */
- void plat_video_set_buffer(void *buf)
- {
- if (is_16bit_mode())
- PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch * 2);
- else
- PicoDrawSetOutBuf(g_screen_ptr, g_screen_ppitch);
- }
- /* prepare for emulator output rendering */
- void plat_video_loop_prepare(void)
- {
- apply_renderer();
- vidResetMode();
- clearArea(1);
- }
- /* prepare for entering the emulator loop */
- void pemu_loop_prep(void)
- {
- }
- /* terminate the emulator loop */
- void pemu_loop_end(void)
- {
- pemu_sound_stop();
- }
- /* resume from suspend: change to main menu if emu was running */
- void emu_handle_resume(void)
- {
- if (engineState == PGS_Running)
- engineState = PGS_Menu;
- }
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