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 2007-10-26 20:08:13 +00:00
parent 6f748c477f
commit 0953046be2
4 changed files with 174 additions and 50 deletions

View file

@ -4,7 +4,7 @@ PSPSDK = $(shell psp-config --pspsdk-path)
# settings
#use_musashi = 1
use_mz80 = 1
#use_mz80 = 1
amalgamate = 0
#profile = 1
#up = 1
@ -69,13 +69,14 @@ ifeq "$(use_mz80)" "1"
CFLAGS += -D_USE_MZ80
OBJS += ../../cpu/mz80/mz80.o
else
$(error nothing here!)
CFLAGS += -D_USE_CZ80
OBJS += ../../cpu/cz80/cz80.o
endif
# bg images
OBJS += data/bg32.o data/bg40.o
LIBS += -lpng -lm -lpspgu -lpsppower -Wl,-Map=PicoDrive.map # -lpspaudio -lpsphprm
LIBS += -lpng -lm -lpspgu -lpsppower -Wl,-Map=PicoDrive.map -lpspaudio
# target
TARGET = PicoDrive

195
psp/emu.c
View file

@ -6,6 +6,7 @@
#include <pspdisplay.h>
#include <psputils.h>
#include <pspgu.h>
#include <pspaudio.h>
#include "psp.h"
#include "menu.h"
@ -20,6 +21,13 @@
#define OSD_FPS_X 420
#endif
// 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();
char romFileName[PATH_MAX];
unsigned char *PicoDraw2FB = (unsigned char *)VRAM_CACHED_STUFF + 8; // +8 to be able to skip border with 1 quadword..
int engineState;
@ -29,6 +37,8 @@ static unsigned int noticeMsgTime = 0;
int reset_timing = 0; // do we need this?
static void sound_init(void);
static void sound_deinit(void);
static void blit2(const char *fps, const char *notice);
static void clearArea(int full);
@ -82,6 +92,8 @@ void emu_Init(void)
mkdir("brm", 0777);
mkdir("cfg", 0777);
sound_init();
PicoInit();
PicoMessage = emu_msg_cb;
PicoMCDopenTray = emu_msg_tray_open;
@ -111,6 +123,7 @@ void emu_Deinit(void)
}
PicoExit();
sound_deinit();
}
void emu_setDefaultConfig(void)
@ -462,14 +475,147 @@ static void vidResetMode(void)
sceGuSync(0,0);
}
/*
static void updateSound(int len)
/* sound stuff */
#define SOUND_DEF_BLOCK_SIZE 1024 // 1152 // 1024
#define SOUND_BLOCK_COUNT 4
static short __attribute__((aligned(4))) sndBuffer[SOUND_DEF_BLOCK_SIZE*SOUND_BLOCK_COUNT*2 + 44100/50*2];
static short *snd_playptr = NULL;
static int samples_made = 0, samples_done = 0, samples_block = SOUND_DEF_BLOCK_SIZE;
static int sound_thread_exit = 0;
static SceUID sound_sem = -1;
static void writeSound(int len);
static int sound_thread(SceSize args, void *argp)
{
short *endptr = &sndBuffer[SOUND_DEF_BLOCK_SIZE*SOUND_BLOCK_COUNT*2];
int ret;
lprintf("sound_thread: started, priority %i\n", sceKernelGetThreadCurrentPriority());
while (!sound_thread_exit)
{
if (samples_made - samples_done < samples_block) {
// wait for data...
//lprintf("sthr: wait... (%i/%i)\n", samples_done, samples_made);
ret = sceKernelWaitSema(sound_sem, 1, 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 >= endptr)
snd_playptr = sndBuffer;
if (ret)
lprintf("sthr: outf: %i; pos %i/%i\n", ret, samples_done, samples_made);
}
lprintf("sthr: exit\n");
sceKernelExitDeleteThread(0);
return 0;
}
static void sound_init(void)
{
SceUID thid;
sound_sem = sceKernelCreateSema("sndsem", 0, 0, 1, NULL);
if (sound_sem < 0) lprintf("sceKernelCreateSema() failed: %i\n", sound_sem);
sound_thread_exit = 0;
thid = sceKernelCreateThread("sndthread", sound_thread, 0x12, 0x10000, 0, NULL);
if (thid >= 0)
{
sceKernelStartThread(thid, 0, 0);
}
else
lprintf("sceKernelCreateThread failed: %i\n", thid);
}
static void sound_prepare(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) {
sound_rerate(Pico.m.frame_count ? 1 : 0);
}
stereo=(PicoOpt&8)>>3;
samples_block = SOUND_DEF_BLOCK_SIZE;
if (PsndRate < 44100) samples_block = SOUND_DEF_BLOCK_SIZE / 2;
if (PsndRate < 22050) samples_block = SOUND_DEF_BLOCK_SIZE / 4;
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/*stereo ? 2 : 1*/);
lprintf("sceAudio_38553111() ret: %i\n", ret);
if (ret < 0) {
lprintf("sceAudio_38553111() failed: %i\n", ret);
sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
noticeMsgTime = sceKernelGetSystemTimeLow();
currentConfig.EmuOpt &= ~4;
} else {
// int ret = sceAudioSetChannelDataLen(ret, PsndLen); // a try..
// lprintf("sceAudioSetChannelDataLen: %i\n", ret);
PicoWriteSound = writeSound;
memset32((int *)(void *)sndBuffer, 0, sizeof(sndBuffer)/4);
snd_playptr = sndBuffer;
PsndOut = sndBuffer;
PsndRate_old = PsndRate;
PicoOpt_old = PicoOpt;
pal_old = Pico.m.pal;
}
}
static void sound_end(void)
{
int ret;
while (sceAudioOutput2GetRestSample() > 0) psp_msleep(100);
ret = sceAudio_5C37C0AE();
lprintf("sound_end: sceAudio_5C37C0AE ret %i\n", ret);
}
static void sound_deinit(void)
{
sound_thread_exit = 1;
sceKernelSignalSema(sound_sem, 1);
}
static void writeSound(int len)
{
int ret;
short *endptr = &sndBuffer[SOUND_DEF_BLOCK_SIZE*SOUND_BLOCK_COUNT*2];
if (PicoOpt&8) len<<=1;
// TODO..
PsndOut += len;
if (PsndOut > endptr) {
memcpy32((int *)(void *)sndBuffer, (int *)endptr, (PsndOut - endptr + 1) / 2);
PsndOut = &sndBuffer[PsndOut - endptr];
}
else if (PsndOut == endptr)
PsndOut = sndBuffer; // happy case
// signal the snd thread
samples_made += len;
if (samples_made - samples_done >= samples_block) {
if (!Pico.m.scanline) lprintf("signal, %i/%i\n", samples_done, samples_made);
ret = sceKernelSignalSema(sound_sem, 1);
if (!Pico.m.scanline) lprintf("signal ret %i\n", ret);
}
}
*/
static void SkipFrame(void)
{
@ -490,6 +636,7 @@ void emu_forcedFrame(void)
vidResetMode();
memset32(VRAM_CACHED_STUFF, 0xe0e0e0e0, 512*8/4); // borders
memset32((int *)VRAM_CACHED_STUFF + 512*232/4, 0xe0e0e0e0, 512*8/4);
memset32((int *)psp_screen + 512*264*2/4, 0, 512*8*2/4);
PicoDrawSetColorFormat(-1);
PicoScan = EmuScanSlow;
@ -676,7 +823,6 @@ static void simpleWait(unsigned int until)
void emu_Loop(void)
{
//static int PsndRate_old = 0, PicoOpt_old = 0, pal_old = 0;
char fpsbuff[24]; // fps count c string
unsigned int tval, tval_prev = 0, tval_thissec = 0; // timing
int frames_done = 0, frames_shown = 0, oldmodes = 0;
@ -711,36 +857,10 @@ void emu_Loop(void)
// prepare sound stuff
PsndOut = NULL;
#if 0 // TODO
if (currentConfig.EmuOpt & 4)
{
int ret, snd_excess_add, stereo;
if (PsndRate != PsndRate_old || (PicoOpt&0x0b) != (PicoOpt_old&0x0b) || Pico.m.pal != pal_old) {
sound_rerate(Pico.m.frame_count ? 1 : 0);
}
stereo=(PicoOpt&8)>>3;
snd_excess_add = ((PsndRate - PsndLen*target_fps)<<16) / target_fps;
snd_cbuf_samples = (PsndRate<<stereo) * 16 / target_fps;
lprintf("starting audio: %i len: %i (ex: %04x) stereo: %i, pal: %i\n",
PsndRate, PsndLen, snd_excess_add, stereo, Pico.m.pal);
ret = FrameworkAudio_Init(PsndRate, snd_cbuf_samples, stereo);
if (ret != 0) {
lprintf("FrameworkAudio_Init() failed: %i\n", ret);
sprintf(noticeMsg, "sound init failed (%i), snd disabled", ret);
noticeMsgTime = sceKernelGetSystemTimeLow();
currentConfig.EmuOpt &= ~4;
} else {
FrameworkAudio_SetVolume(currentConfig.volume, currentConfig.volume);
PicoWriteSound = updateSound;
snd_cbuff = FrameworkAudio_56448Buffer();
PsndOut = snd_cbuff + snd_cbuf_samples / 2; // start writing at the middle
snd_all_samples = 0;
PsndRate_old = PsndRate;
PicoOpt_old = PicoOpt;
pal_old = Pico.m.pal;
}
sound_prepare();
}
#endif
// loop?
while (engineState == PGS_Running)
@ -875,18 +995,21 @@ void emu_Loop(void)
if (PicoMCD & 1) PicoCDBufferFree();
/*
if (PsndOut != NULL) {
PsndOut = snd_cbuff = NULL;
FrameworkAudio_Close();
PsndOut = NULL;
sound_end();
}
*/
// save SRAM
if ((currentConfig.EmuOpt & 1) && SRam.changed) {
emu_msg_cb("Writing SRAM/BRAM..");
emu_SaveLoadGame(0, 1);
SRam.changed = 0;
}
// draw a frame for bg..
emu_forcedFrame();
}

View file

@ -43,7 +43,7 @@ static unsigned short bg_buffer[480*272] __attribute__((aligned(16)));
#define menu_screen psp_screen
static void menu_darken_bg(void *dst, const void *src, int pixels, int darker);
static void menu_prepare_bg(int use_game_bg, int use_back_buff);
static void menu_prepare_bg(int use_game_bg);
static unsigned int inp_prev = 0;
@ -552,7 +552,7 @@ static void draw_savestate_bg(int slot)
}
emu_forcedFrame();
menu_prepare_bg(1, 1);
menu_prepare_bg(1);
restore_oldstate(oldstate);
}
@ -1001,7 +1001,6 @@ static void menu_opt3_preview(int is_32col)
void *bgdata = is_32col ? bgdatac32_start : bgdatac40_start;
unsigned long insize = is_32col ? bgdatac32_size : bgdatac40_size, outsize = 65856;
int ret;
lprintf("%p %p %i %i (n %p)\n", bgdatac32_start, bgdatac40_start, bgdatac32_size, bgdatac40_size, &engineState);
ret = uncompress((Bytef *)bg_buffer, &outsize, bgdata, insize);
if (ret == 0)
{
@ -1017,7 +1016,7 @@ static void menu_opt3_preview(int is_32col)
memset32(psp_screen, 0, 512*272*2/4);
emu_forcedFrame();
menu_prepare_bg(1, 1);
menu_prepare_bg(1);
if (oldstate) restore_oldstate(oldstate);
}
@ -1165,7 +1164,6 @@ static void amenu_loop_options(void)
menu_entry opt_entries[] =
{
{ NULL, MB_NONE, MA_OPT_RENDERER, NULL, 0, 0, 0, 1 },
{ "Scale low res mode", MB_ONOFF, MA_OPT_SCALING, &currentConfig.scaling, 0x0001, 0, 3, 1 },
{ "Accurate timing (slower)", MB_ONOFF, MA_OPT_ACC_TIMING, &currentConfig.PicoOpt, 0x0040, 0, 0, 1 },
{ "Accurate sprites (slower)", MB_ONOFF, MA_OPT_ACC_SPRITES, &currentConfig.PicoOpt, 0x0080, 0, 0, 1 },
{ "Show FPS", MB_ONOFF, MA_OPT_SHOW_FPS, &currentConfig.EmuOpt, 0x0002, 0, 0, 1 },
@ -1672,13 +1670,13 @@ static void menu_darken_bg(void *dst, const void *src, int pixels, int darker)
}
}
static void menu_prepare_bg(int use_game_bg, int use_back_buff)
static void menu_prepare_bg(int use_game_bg)
{
if (use_game_bg)
{
// darken the active framebuffer
unsigned short *dst = bg_buffer;
unsigned short *src = use_back_buff ? psp_screen : psp_video_get_active_fb();
unsigned short *src = psp_screen;
int i;
for (i = 272; i > 0; i--, dst += 480, src += 512)
menu_darken_bg(dst, src, 480, 1);
@ -1695,7 +1693,7 @@ static void menu_prepare_bg(int use_game_bg, int use_back_buff)
static void menu_gfx_prepare(void)
{
menu_prepare_bg(rom_data != NULL, 0);
menu_prepare_bg(rom_data != NULL);
menu_draw_begin();
menu_draw_end();

View file

@ -32,7 +32,8 @@ static int callback_thread(SceSize args, void *argp)
{
int cbid;
lprintf("callback_thread started with id %i\n", sceKernelGetThreadId());
lprintf("callback_thread started with id %i, priority %i\n",
sceKernelGetThreadId(), sceKernelGetThreadCurrentPriority());
cbid = sceKernelCreateCallback("Exit Callback", exit_callback, NULL);
sceKernelRegisterExitCallback(cbid);
@ -44,9 +45,10 @@ static int callback_thread(SceSize args, void *argp)
void psp_init(void)
{
int thid;
SceUID thid;
lprintf("entered psp_init, threadId %i\n", sceKernelGetThreadId());
lprintf("entered psp_init, threadId %i, priority %i\n", sceKernelGetThreadId(),
sceKernelGetThreadCurrentPriority());
thid = sceKernelCreateThread("update_thread", callback_thread, 0x11, 0xFA0, 0, 0);
if (thid >= 0)