mirror of
https://github.com/RaySollium99/libpicofe.git
synced 2025-09-05 06:47:45 -04:00
basic psp snd + cz80
git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@280 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
6f748c477f
commit
0953046be2
4 changed files with 174 additions and 50 deletions
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@ -4,7 +4,7 @@ PSPSDK = $(shell psp-config --pspsdk-path)
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# settings
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#use_musashi = 1
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use_mz80 = 1
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#use_mz80 = 1
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amalgamate = 0
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#profile = 1
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#up = 1
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@ -69,13 +69,14 @@ ifeq "$(use_mz80)" "1"
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CFLAGS += -D_USE_MZ80
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OBJS += ../../cpu/mz80/mz80.o
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else
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$(error nothing here!)
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CFLAGS += -D_USE_CZ80
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OBJS += ../../cpu/cz80/cz80.o
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endif
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# bg images
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OBJS += data/bg32.o data/bg40.o
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LIBS += -lpng -lm -lpspgu -lpsppower -Wl,-Map=PicoDrive.map # -lpspaudio -lpsphprm
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LIBS += -lpng -lm -lpspgu -lpsppower -Wl,-Map=PicoDrive.map -lpspaudio
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# target
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TARGET = PicoDrive
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195
psp/emu.c
195
psp/emu.c
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@ -6,6 +6,7 @@
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#include <pspdisplay.h>
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#include <psputils.h>
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#include <pspgu.h>
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#include <pspaudio.h>
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#include "psp.h"
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#include "menu.h"
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@ -20,6 +21,13 @@
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#define OSD_FPS_X 420
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#endif
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// additional pspaudio imports, credits to crazyc
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int sceAudio_38553111(unsigned short samples, unsigned short freq, char unknown); // play with conversion?
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int sceAudio_5C37C0AE(void); // end play?
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int sceAudio_E0727056(int volume, void *buffer); // blocking output
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int sceAudioOutput2GetRestSample();
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char romFileName[PATH_MAX];
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unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
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int engineState;
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@ -29,6 +37,8 @@ static unsigned int noticeMsgTime = 0;
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int reset_timing = 0; // do we need this?
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static void sound_init(void);
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static void sound_deinit(void);
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static void blit2(const char *fps, const char *notice);
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static void clearArea(int full);
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@ -82,6 +92,8 @@ void emu_Init(void)
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mkdir("brm", 0777);
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mkdir("cfg", 0777);
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sound_init();
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PicoInit();
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PicoMessage = emu_msg_cb;
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PicoMCDopenTray = emu_msg_tray_open;
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@ -111,6 +123,7 @@ void emu_Deinit(void)
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}
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PicoExit();
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sound_deinit();
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}
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void emu_setDefaultConfig(void)
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@ -462,14 +475,147 @@ static void vidResetMode(void)
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sceGuSync(0,0);
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}
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/*
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static void updateSound(int len)
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/* sound stuff */
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#define SOUND_DEF_BLOCK_SIZE 1024 // 1152 // 1024
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#define SOUND_BLOCK_COUNT 4
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static short __attribute__((aligned(4))) sndBuffer[SOUND_DEF_BLOCK_SIZE*SOUND_BLOCK_COUNT*2 + 44100/50*2];
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static short *snd_playptr = NULL;
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static int samples_made = 0, samples_done = 0, samples_block = SOUND_DEF_BLOCK_SIZE;
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static int sound_thread_exit = 0;
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static SceUID sound_sem = -1;
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static void writeSound(int len);
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static int sound_thread(SceSize args, void *argp)
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{
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short *endptr = &sndBuffer[SOUND_DEF_BLOCK_SIZE*SOUND_BLOCK_COUNT*2];
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int ret;
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lprintf("sound_thread: started, priority %i\n", sceKernelGetThreadCurrentPriority());
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while (!sound_thread_exit)
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{
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if (samples_made - samples_done < samples_block) {
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// wait for data...
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//lprintf("sthr: wait... (%i/%i)\n", samples_done, samples_made);
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ret = sceKernelWaitSema(sound_sem, 1, 0);
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//lprintf("sthr: sceKernelWaitSema: %i\n", ret);
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continue;
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}
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//lprintf("sthr: got data: %i\n", samples_made - samples_done);
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ret = sceAudio_E0727056(PSP_AUDIO_VOLUME_MAX, snd_playptr);
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samples_done += samples_block;
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snd_playptr += samples_block;
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if (snd_playptr >= endptr)
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snd_playptr = sndBuffer;
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if (ret)
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lprintf("sthr: outf: %i; pos %i/%i\n", ret, samples_done, samples_made);
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}
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lprintf("sthr: exit\n");
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sceKernelExitDeleteThread(0);
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return 0;
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}
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static void sound_init(void)
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{
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SceUID thid;
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sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
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if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
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sound_thread_exit = 0;
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thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
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if (thid >= 0)
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{
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sceKernelStartThread(thid, 0, 0);
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}
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else
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lprintf("sceKernelCreateThread failed: %i\n", thid);
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}
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static void sound_prepare(void)
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{
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static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
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int ret, stereo;
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samples_made = samples_done = 0;
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if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
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sound_rerate(Pico.m.frame_count ? 1 : 0);
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}
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stereo=(PicoOpt&8)>>3;
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samples_block = SOUND_DEF_BLOCK_SIZE;
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if (PsndRate < 44100) samples_block = SOUND_DEF_BLOCK_SIZE / 2;
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if (PsndRate < 22050) samples_block = SOUND_DEF_BLOCK_SIZE / 4;
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lprintf("starting audio: %i, len: %i, stereo: %i, pal: %i, block samples: %i\n",
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PsndRate, PsndLen, stereo, Pico.m.pal, samples_block);
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while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
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sceAudio_5C37C0AE();
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ret = sceAudio_38553111(samples_block/2, PsndRate, 2/*stereo ? 2 : 1*/);
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lprintf("sceAudio_38553111() ret: %i\n", ret);
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if (ret < 0) {
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lprintf("sceAudio_38553111() failed: %i\n", ret);
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sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
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noticeMsgTime = sceKernelGetSystemTimeLow();
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currentConfig.EmuOpt &= ~4;
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} else {
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// int ret = sceAudioSetChannelDataLen(ret, PsndLen); // a try..
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// lprintf("sceAudioSetChannelDataLen: %i\n", ret);
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PicoWriteSound = writeSound;
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memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
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snd_playptr = sndBuffer;
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PsndOut = sndBuffer;
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PsndRate_old = PsndRate;
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PicoOpt_old = PicoOpt;
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pal_old = Pico.m.pal;
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}
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}
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static void sound_end(void)
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{
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int ret;
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while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
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ret = sceAudio_5C37C0AE();
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lprintf("sound_end: sceAudio_5C37C0AE ret %i\n", ret);
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}
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static void sound_deinit(void)
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{
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sound_thread_exit = 1;
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sceKernelSignalSema(sound_sem, 1);
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}
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static void writeSound(int len)
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{
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int ret;
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short *endptr = &sndBuffer[SOUND_DEF_BLOCK_SIZE*SOUND_BLOCK_COUNT*2];
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if (PicoOpt&8) len<<=1;
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// TODO..
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PsndOut += len;
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if (PsndOut > endptr) {
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memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
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PsndOut = &sndBuffer[PsndOut - endptr];
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}
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*/
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else if (PsndOut == endptr)
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PsndOut = sndBuffer; // happy case
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// signal the snd thread
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samples_made += len;
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if (samples_made - samples_done >= samples_block) {
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if (!Pico.m.scanline) lprintf("signal, %i/%i\n", samples_done, samples_made);
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ret = sceKernelSignalSema(sound_sem, 1);
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if (!Pico.m.scanline) lprintf("signal ret %i\n", ret);
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}
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}
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static void SkipFrame(void)
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{
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@ -490,6 +636,7 @@ void emu_forcedFrame(void)
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vidResetMode();
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memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
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memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
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memset32((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
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PicoDrawSetColorFormat(-1);
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PicoScan = EmuScanSlow;
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@ -676,7 +823,6 @@ static void simpleWait(unsigned int until)
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void emu_Loop(void)
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{
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//static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
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char fpsbuff[24]; // fps count c string
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unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing
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int frames_done = 0, frames_shown = 0, oldmodes = 0;
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@ -711,36 +857,10 @@ void emu_Loop(void)
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// prepare sound stuff
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PsndOut = NULL;
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#if 0 // TODO
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if (currentConfig.EmuOpt & 4)
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{
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int ret, snd_excess_add, stereo;
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if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
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sound_rerate(Pico.m.frame_count ? 1 : 0);
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sound_prepare();
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}
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stereo=(PicoOpt&8)>>3;
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snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;
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snd_cbuf_samples = (PsndRate<<stereo) * 16 / target_fps;
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lprintf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",
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PsndRate, PsndLen, snd_excess_add, stereo, Pico.m.pal);
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ret = FrameworkAudio_Init(PsndRate, snd_cbuf_samples, stereo);
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if (ret != 0) {
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lprintf("FrameworkAudio_Init() failed: %i\n", ret);
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sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
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noticeMsgTime = sceKernelGetSystemTimeLow();
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currentConfig.EmuOpt &= ~4;
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} else {
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FrameworkAudio_SetVolume(currentConfig.volume, currentConfig.volume);
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PicoWriteSound = updateSound;
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snd_cbuff = FrameworkAudio_56448Buffer();
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PsndOut = snd_cbuff + snd_cbuf_samples / 2; // start writing at the middle
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snd_all_samples = 0;
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PsndRate_old = PsndRate;
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PicoOpt_old = PicoOpt;
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pal_old = Pico.m.pal;
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}
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}
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#endif
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// loop?
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while (engineState == PGS_Running)
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@ -875,18 +995,21 @@ void emu_Loop(void)
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if (PicoMCD & 1) PicoCDBufferFree();
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/*
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if (PsndOut != NULL) {
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PsndOut = snd_cbuff = NULL;
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FrameworkAudio_Close();
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PsndOut = NULL;
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sound_end();
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}
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*/
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// save SRAM
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if ((currentConfig.EmuOpt & 1) && SRam.changed) {
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emu_msg_cb("Writing SRAM/BRAM..");
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emu_SaveLoadGame(0, 1);
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SRam.changed = 0;
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}
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// draw a frame for bg..
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emu_forcedFrame();
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}
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14
psp/menu.c
14
psp/menu.c
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@ -43,7 +43,7 @@ static unsigned short bg_buffer[480*272] __attribute__((aligned(16)));
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#define menu_screen psp_screen
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static void menu_darken_bg(void *dst, const void *src, int pixels, int darker);
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static void menu_prepare_bg(int use_game_bg, int use_back_buff);
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static void menu_prepare_bg(int use_game_bg);
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static unsigned int inp_prev = 0;
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@ -552,7 +552,7 @@ static void draw_savestate_bg(int slot)
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}
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emu_forcedFrame();
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menu_prepare_bg(1, 1);
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menu_prepare_bg(1);
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restore_oldstate(oldstate);
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}
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@ -1001,7 +1001,6 @@ static void menu_opt3_preview(int is_32col)
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void *bgdata = is_32col ? bgdatac32_start : bgdatac40_start;
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unsigned long insize = is_32col ? bgdatac32_size : bgdatac40_size, outsize = 65856;
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int ret;
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lprintf("%p %p %i %i (n %p)\n", bgdatac32_start, bgdatac40_start, bgdatac32_size, bgdatac40_size, &engineState);
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ret = uncompress((Bytef *)bg_buffer, &outsize, bgdata, insize);
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if (ret == 0)
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{
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@ -1017,7 +1016,7 @@ static void menu_opt3_preview(int is_32col)
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memset32(psp_screen, 0, 512*272*2/4);
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emu_forcedFrame();
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menu_prepare_bg(1, 1);
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menu_prepare_bg(1);
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if (oldstate) restore_oldstate(oldstate);
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}
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@ -1165,7 +1164,6 @@ static void amenu_loop_options(void)
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menu_entry opt_entries[] =
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{
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{ NULL, MB_NONE, MA_OPT_RENDERER, NULL, 0, 0, 0, 1 },
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{ "Scale low res mode", MB_ONOFF, MA_OPT_SCALING, ¤tConfig.scaling, 0x0001, 0, 3, 1 },
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{ "Accurate timing (slower)", MB_ONOFF, MA_OPT_ACC_TIMING, ¤tConfig.PicoOpt, 0x0040, 0, 0, 1 },
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{ "Accurate sprites (slower)", MB_ONOFF, MA_OPT_ACC_SPRITES, ¤tConfig.PicoOpt, 0x0080, 0, 0, 1 },
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{ "Show FPS", MB_ONOFF, MA_OPT_SHOW_FPS, ¤tConfig.EmuOpt, 0x0002, 0, 0, 1 },
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@ -1672,13 +1670,13 @@ static void menu_darken_bg(void *dst, const void *src, int pixels, int darker)
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}
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}
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static void menu_prepare_bg(int use_game_bg, int use_back_buff)
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static void menu_prepare_bg(int use_game_bg)
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{
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if (use_game_bg)
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{
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// darken the active framebuffer
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unsigned short *dst = bg_buffer;
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unsigned short *src = use_back_buff ? psp_screen : psp_video_get_active_fb();
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unsigned short *src = psp_screen;
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int i;
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for (i = 272; i > 0; i--, dst += 480, src += 512)
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menu_darken_bg(dst, src, 480, 1);
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@ -1695,7 +1693,7 @@ static void menu_prepare_bg(int use_game_bg, int use_back_buff)
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static void menu_gfx_prepare(void)
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{
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menu_prepare_bg(rom_data != NULL, 0);
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menu_prepare_bg(rom_data != NULL);
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menu_draw_begin();
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menu_draw_end();
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@ -32,7 +32,8 @@ static int callback_thread(SceSize args, void *argp)
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{
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int cbid;
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lprintf("callback_thread started with id %i\n", sceKernelGetThreadId());
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lprintf("callback_thread started with id %i, priority %i\n",
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sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
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cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
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sceKernelRegisterExitCallback(cbid);
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@ -44,9 +45,10 @@ static int callback_thread(SceSize args, void *argp)
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void psp_init(void)
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{
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int thid;
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SceUID thid;
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lprintf("entered psp_init, threadId %i\n", sceKernelGetThreadId());
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lprintf("entered psp_init, threadId %i, priority %i\n", sceKernelGetThreadId(),
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sceKernelGetThreadCurrentPriority());
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thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, 0);
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if (thid >= 0)
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