From 49fe50f04c9e6aab1cce54302bd4990a0471df00 Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 4 Feb 2007 17:15:31 +0000 Subject: [PATCH] PCM sound, refactored code940 git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@27 be3aeb3a-fb24-0410-a615-afba39da0efa --- gp2x/940ctl_ym2612.c | 190 +++++++++++++++++++++++------------------- gp2x/940ctl_ym2612.h | 2 +- gp2x/Makefile | 8 +- gp2x/asmutils.h | 2 + gp2x/asmutils.s | 11 ++- gp2x/emu.c | 27 +++--- gp2x/emu.h | 4 +- gp2x/menu.c | 10 ++- linux/940ctl_ym2612.c | 60 +------------ linux/Makefile | 4 +- 10 files changed, 150 insertions(+), 168 deletions(-) diff --git a/gp2x/940ctl_ym2612.c b/gp2x/940ctl_ym2612.c index 63d1e48..3502b82 100644 --- a/gp2x/940ctl_ym2612.c +++ b/gp2x/940ctl_ym2612.c @@ -14,6 +14,9 @@ #include "asmutils.h" #include "../../Pico/PicoInt.h" +// tmp +#include "../../Pico/sound/mix.h" + /* we will need some gp2x internals here */ extern volatile unsigned short *gp2x_memregs; /* from minimal library rlyeh */ extern volatile unsigned long *gp2x_memregl; @@ -223,6 +226,7 @@ int YM2612PicoTick_940(int n) return 0; } +static int g_busy = 10; static void wait_busy_940(void) { @@ -239,8 +243,9 @@ static void wait_busy_940(void) } printf("wait iterations: %i\n", i); #else - for (i = 0; shared_ctl->busy && i < 0x10000; i++) + for (i = 0; /*shared_ctl->busy*/gp2x_memregs[0x3B3E>>1] && i < 0x10000; i++) spend_cycles(8*1024); // tested to be best for mp3 dec + //printf("i = 0x%x\n", i); if (i < 0x10000) return; /* 940 crashed */ @@ -248,6 +253,19 @@ static void wait_busy_940(void) for (i = 0; i < 8; i++) printf("%i ", shared_ctl->vstarts[i]); printf(")\n"); + printf("irq pending flags: DUALCPU %04x (see 15?), SRCPND %08lx (see 26), INTPND %08lx\n", + gp2x_memregs[0x3b46>>1], gp2x_memregl[0x4500>>2], gp2x_memregl[0x4510>>2]); + printf("last irq PC: %08x, lastjob: 0x%03x, busy: %x, lastbusy: %x, g_busy: %x\n", shared_ctl->last_irq_pc, + shared_ctl->lastjob, gp2x_memregs[0x3B3E>>1]/*shared_ctl->busy*/, shared_ctl->lastbusy, g_busy); + printf("trying to interrupt..\n"); + gp2x_memregs[0x3B3E>>1] = 0xffff; + for (i = 0; /*shared_ctl->busy*/gp2x_memregs[0x3B3E>>1] && i < 0x10000; i++) + spend_cycles(8*1024); + printf("i = 0x%x\n", i); + printf("irq pending flags: DUALCPU %04x (see 15?), SRCPND %08lx (see 26), INTPND %08lx\n", + gp2x_memregs[0x3b46>>1], gp2x_memregl[0x4500>>2], gp2x_memregl[0x4510>>2]); + printf("last irq PC: %08x, lastjob: 0x%03x, busy: %x\n", shared_ctl->last_irq_pc, shared_ctl->lastjob, gp2x_memregs[0x3B3E>>1]/*shared_ctl->busy*/); + strcpy(menuErrorMsg, "940 crashed."); engineState = PGS_Menu; crashed_940 = 1; @@ -257,10 +275,17 @@ static void wait_busy_940(void) static void add_job_940(int job0, int job1) { +/* if (gp2x_memregs[0x3b46>>1] || shared_ctl->busy) + { + printf("!!add_job_940: irq pending flags: DUALCPU %04x (see 15?), SRCPND %08lx (see 26), INTPND %08lx, busy: %x\n", + gp2x_memregs[0x3b46>>1], gp2x_memregl[0x4500>>2], gp2x_memregl[0x4510>>2], shared_ctl->busy); + } +*/ shared_ctl->jobs[0] = job0; shared_ctl->jobs[1] = job1; - shared_ctl->busy = 1; - gp2x_memregs[0x3B3E>>1] = 0xffff; // cause an IRQ for 940 + //shared_ctl->busy = ++g_busy; // 1; + gp2x_memregs[0x3B3E>>1] = ++g_busy; // set busy flag +// gp2x_memregs[0x3B3E>>1] = 0xffff; // cause interrupt } @@ -268,7 +293,7 @@ void YM2612PicoStateLoad_940(void) { int i, old_A1 = addr_A1; - if (shared_ctl->busy) wait_busy_940(); + if (/*shared_ctl->busy*/gp2x_memregs[0x3B3E>>1]) wait_busy_940(); // feed all the registers and update internal state for(i = 0; i < 0x100; i++) { @@ -310,10 +335,8 @@ void YM2612Init_940(int baseclock, int rate) Reset940(1, 2); Pause940(1); - gp2x_memregs[0x3B46>>1] = 0xffff; // clear pending DUALCPU interrupts for 940 - gp2x_memregs[0x3B42>>1] = 0xffff; // enable DUALCPU interrupts for 940 - - gp2x_memregl[0x4508>>2] = ~(1<<26); // unmask DUALCPU ints in the undocumented 940's interrupt controller + gp2x_memregs[0x3B40>>1] = 0; // disable DUALCPU interrupts for 920 + gp2x_memregs[0x3B42>>1] = 1; // enable DUALCPU interrupts for 940 if (shared_mem == NULL) { @@ -388,7 +411,13 @@ void YM2612Init_940(int baseclock, int rate) shared_ctl->rate = rate; shared_ctl->jobs[0] = JOB940_INITALL; shared_ctl->jobs[1] = 0; - shared_ctl->busy = 1; + //shared_ctl->busy = 1; + gp2x_memregs[0x3B3E>>1] = 1; // set busy flag + + gp2x_memregs[0x3B46>>1] = 0xffff; // clear pending DUALCPU interrupts for 940 + gp2x_memregl[0x4500>>2] = 0; // clear pending IRQs in SRCPND + gp2x_memregl[0x4510>>2] = 0; // clear pending IRQs in INTPND + gp2x_memregl[0x4508>>2] = ~(1<<26); // unmask DUALCPU ints in the undocumented 940's interrupt controller /* start the 940 */ Reset940(0, 2); @@ -406,7 +435,7 @@ void YM2612ResetChip_940(void) return; } - if (shared_ctl->busy) wait_busy_940(); + if (/*shared_ctl->busy*/gp2x_memregs[0x3B3E>>1]) wait_busy_940(); internal_reset(); @@ -414,104 +443,93 @@ void YM2612ResetChip_940(void) } -static void mix_samples(short *dest_buf, int *ym_buf, short *mp3_buf, int len, int stereo) +//extern int pcm_buffer[2*44100/50]; +/* +static void mix_samples(int *dest_buf, short *mp3_buf, int len, int stereo) { - if (mp3_buf) +// int *pcm = pcm_buffer + offset * 2; + + if (stereo) { - if (stereo) + for (; len > 0; len--) { - for (; len > 0; len--) - { - int l, r, lm, rm; - l = r = *dest_buf; - l += *ym_buf++; r += *ym_buf++; - lm = *mp3_buf++; rm = *mp3_buf++; - l += lm - lm/2; r += rm - rm/2; - Limit( l, MAXOUT, MINOUT ); - Limit( r, MAXOUT, MINOUT ); - *dest_buf++ = l; *dest_buf++ = r; - } - } else { - for (; len > 0; len--) - { - // TODO: normalize - int l = *ym_buf++; - l += *dest_buf; - l += *mp3_buf++; - Limit( l, MAXOUT, MINOUT ); - *dest_buf++ = l; - } + int lm, rm; + lm = *mp3_buf++; rm = *mp3_buf++; + *dest_buf++ += lm - lm/2; *dest_buf++ += rm - rm/2; } - } - else - { - if (stereo) + } else { + for (; len > 0; len--) { - for (; len > 0; len--) - { - int l, r; - l = r = *dest_buf; - l += *ym_buf++, r += *ym_buf++; - Limit( l, MAXOUT, MINOUT ); - Limit( r, MAXOUT, MINOUT ); - *dest_buf++ = l; *dest_buf++ = r; - } - } else { - for (; len > 0; len--) - { - int l = *ym_buf++; - l += *dest_buf; - Limit( l, MAXOUT, MINOUT ); - *dest_buf++ = l; - } + int l = *mp3_buf++; + *dest_buf++ = l - l/2; } } } - +*/ // here we assume that length is different between games, but constant in one game static int mp3_samples_ready = 0, mp3_buffer_offs = 0; static int mp3_play_bufsel = 0; -void YM2612UpdateOne_940(short *buffer, int length, int stereo) +int YM2612UpdateOne_940(int *buffer, int length, int stereo, int is_buf_empty) { - int cdda_on, *ym_buffer = shared_data->mix_buffer, mp3_job = 0; + int length_mp3 = Pico.m.pal ? 44100/50 : 44100/60; // mp3s are locked to 44100Hz stereo + int *ym_buf = shared_data->mix_buffer; +// int *dest_buf = buffer; + int cdda_on, mp3_job = 0; +// int len; + + // emulating CD, enabled in opts, not data track, CDC is reading, playback was started, track not ended + cdda_on = (PicoMCD & 1) && (PicoOpt & 0x800) && !(Pico_mcd->s68k_regs[0x36] & 1) && + (Pico_mcd->scd.Status_CDC & 1) && loaded_mp3; //printf("YM2612UpdateOne_940()\n"); - if (shared_ctl->busy) wait_busy_940(); + if (/*shared_ctl->busy*/gp2x_memregs[0x3B3E>>1]) wait_busy_940(); - //printf("940 (cnt: %i, wc: %i, ve: ", shared_ctl->loopc, shared_ctl->waitc); - //for (i = 0; i < 8; i++) - // printf("%i ", shared_ctl->vstarts[i]); - //printf(")\n"); + // track ended? + cdda_on = cdda_on && shared_ctl->mp3_offs < shared_ctl->mp3_len; - // emulatind MCD, cdda enabled in config, not data track, CDC is reading, playback was started, track not ended - cdda_on = (PicoMCD & 1) && (currentConfig.EmuOpt&0x800) && !(Pico_mcd->s68k_regs[0x36] & 1) && - (Pico_mcd->scd.Status_CDC & 1) && loaded_mp3 && shared_ctl->mp3_offs < shared_ctl->mp3_len; + // mix in ym buffer + if (is_buf_empty) memcpy32(buffer, ym_buf, length< 0; len--) +// { +// *dest_buf++ += *ym_buf++; +// } - /* mix data from previous go */ - if (cdda_on && mp3_samples_ready >= length) + /* mix mp3 data, only stereo */ + if (cdda_on && mp3_samples_ready >= length_mp3) { - if (1152 - mp3_buffer_offs >= length) { - mix_samples(buffer, ym_buffer, shared_data->mp3_buffer[mp3_play_bufsel] + mp3_buffer_offs*2, length, stereo); + int shr = 0; + void (*mix_samples)(int *dest_buf, short *mp3_buf, int count) = mix_16h_to_32; + if (PsndRate == 22050) { mix_samples = mix_16h_to_32_s1; shr = 1; } + else if (PsndRate == 11025) { mix_samples = mix_16h_to_32_s2; shr = 2; } - mp3_buffer_offs += length; + if (1152 - mp3_buffer_offs >= length_mp3) { + mix_samples(buffer, shared_data->mp3_buffer[mp3_play_bufsel] + mp3_buffer_offs*2, (length_mp3>>shr)<<1); + + mp3_buffer_offs += length_mp3; } else { // collect from both buffers.. int left = 1152 - mp3_buffer_offs; - mix_samples(buffer, ym_buffer, shared_data->mp3_buffer[mp3_play_bufsel] + mp3_buffer_offs*2, left, stereo); - mp3_play_bufsel ^= 1; - mp3_buffer_offs = length - left; - mix_samples(buffer + left * 2, ym_buffer + left * 2, - shared_data->mp3_buffer[mp3_play_bufsel], mp3_buffer_offs, stereo); + if (mp3_play_bufsel == 0) + { + mix_samples(buffer, shared_data->mp3_buffer[0] + mp3_buffer_offs*2, (length_mp3>>shr)<<1); + mp3_buffer_offs = length_mp3 - left; + mp3_play_bufsel = 1; + } else { + mix_samples(buffer, shared_data->mp3_buffer[1] + mp3_buffer_offs*2, (left>>shr)<<1); + mp3_buffer_offs = length_mp3 - left; + mix_samples(buffer + ((left>>shr)<<1), + shared_data->mp3_buffer[0], (mp3_buffer_offs>>shr)<<1); + mp3_play_bufsel = 0; + } } - mp3_samples_ready -= length; - } else { - mix_samples(buffer, ym_buffer, 0, length, stereo); + mp3_samples_ready -= length_mp3; } - //printf("new writes: %i\n", writebuff_ptr); if (shared_ctl->writebuffsel == 1) { shared_ctl->writebuff0[writebuff_ptr] = 0xffff; } else { @@ -525,7 +543,7 @@ void YM2612UpdateOne_940(short *buffer, int length, int stereo) shared_ctl->stereo = stereo; // make sure we will have enough mp3 samples next frame - if (cdda_on && mp3_samples_ready < length) + if (cdda_on && mp3_samples_ready < length_mp3) { shared_ctl->mp3_buffsel ^= 1; mp3_job = JOB940_MP3DECODE; @@ -536,6 +554,8 @@ void YM2612UpdateOne_940(short *buffer, int length, int stereo) //spend_cycles(512); //printf("SRCPND: %08lx, INTMODE: %08lx, INTMASK: %08lx, INTPEND: %08lx\n", // gp2x_memregl[0x4500>>2], gp2x_memregl[0x4504>>2], gp2x_memregl[0x4508>>2], gp2x_memregl[0x4510>>2]); + + return 1; } @@ -551,11 +571,11 @@ void mp3_start_play(FILE *f, int pos) // pos is 0-1023 if (loaded_mp3 != f) { - printf("loading mp3... "); fflush(stdout); + // printf("loading mp3... "); fflush(stdout); fseek(f, 0, SEEK_SET); fread(mp3_mem, 1, MP3_SIZE_MAX, f); - if (feof(f)) printf("done.\n"); - else printf("done. mp3 too large, not all data loaded.\n"); + // if (feof(f)) printf("done.\n"); + // else printf("done. mp3 too large, not all data loaded.\n"); shared_ctl->mp3_len = ftell(f); loaded_mp3 = f; } @@ -566,7 +586,7 @@ void mp3_start_play(FILE *f, int pos) // pos is 0-1023 byte_offs *= pos; byte_offs >>= 6; } - printf("mp3 pos1024: %i, byte_offs %i/%i\n", pos, byte_offs, shared_ctl->mp3_len); + // printf("mp3 pos1024: %i, byte_offs %i/%i\n", pos, byte_offs, shared_ctl->mp3_len); shared_ctl->mp3_offs = byte_offs; diff --git a/gp2x/940ctl_ym2612.h b/gp2x/940ctl_ym2612.h index 7d94c13..bf9b528 100644 --- a/gp2x/940ctl_ym2612.h +++ b/gp2x/940ctl_ym2612.h @@ -1,6 +1,6 @@ void YM2612Init_940(int baseclock, int rate); void YM2612ResetChip_940(void); -void YM2612UpdateOne_940(short *buffer, int length, int stereo); +int YM2612UpdateOne_940(int *buffer, int length, int stereo, int is_buf_empty); int YM2612Write_940(unsigned int a, unsigned int v); unsigned char YM2612Read_940(void); diff --git a/gp2x/Makefile b/gp2x/Makefile index d253dcc..5efe302 100644 --- a/gp2x/Makefile +++ b/gp2x/Makefile @@ -41,7 +41,7 @@ OBJS += ../../Pico/Area.o ../../Pico/Cart.o ../../Pico/Utils.o ../../Pico/Memory # Pico - CD OBJS += ../../Pico/cd/Pico.o ../../Pico/cd/Memory.o ../../Pico/cd/Sek.o ../../Pico/cd/LC89510.o \ ../../Pico/cd/cd_sys.o ../../Pico/cd/cd_file.o ../../Pico/cd/gfx_cd.o \ - ../../Pico/cd/Area.o ../../Pico/cd/Misc.o + ../../Pico/cd/Area.o ../../Pico/cd/Misc.o ../../Pico/cd/pcm.o # asm stuff ifeq "$(asm_render)" "1" DEFINC += -D_ASM_DRAW_C @@ -56,6 +56,7 @@ DEFINC += -D_ASM_YM2612_C OBJS += ../../Pico/sound/ym2612_asm.o endif # Pico - sound +OBJS += ../../Pico/sound/mix_asm.o OBJS += ../../Pico/sound/sound.o ../../Pico/sound/sn76496.o ../../Pico/sound/ym2612.o # zlib OBJS += ../../zlib/gzio.o ../../zlib/inffast.o ../../zlib/inflate.o ../../zlib/inftrees.o ../../zlib/trees.o \ @@ -94,7 +95,7 @@ ifeq "$(up)" "1" @cmd //C copy $@ \\\\10.0.1.2\\gp2x\\mnt\\sd\\games\\PicoDrive\\ endif -up: +up: PicoDrive.gpe @cp -v PicoDrive.gpe /mnt/gp2x/mnt/sd/games/PicoDrive/ # @cmd //C copy PicoDrive.gpe \\\\10.0.1.2\\gp2x\\mnt\\sd\\games\\PicoDrive\\ @@ -124,6 +125,9 @@ testrefr.gpe : test.o gp2x.o asmutils.o ../../Pico/sound/ym2612_asm.o : ../../Pico/sound/ym2612.s @echo $< @$(AS) $(ASOPT) $< -o $@ +../../Pico/sound/mix_asm.o : ../../Pico/sound/mix.s + @echo $< + @$(AS) $(ASOPT) $< -o $@ # build Cyclone ../../cpu/Cyclone/proj/Cyclone.s : diff --git a/gp2x/asmutils.h b/gp2x/asmutils.h index d922690..cade08c 100644 --- a/gp2x/asmutils.h +++ b/gp2x/asmutils.h @@ -10,3 +10,5 @@ void vidCpyM2_40col(void *dest, void *src); void vidCpyM2_32col(void *dest, void *src); void vidCpyM2_32col_nobord(void *dest, void *src); void spend_cycles(int c); // utility +void flushcache(void); + diff --git a/gp2x/asmutils.s b/gp2x/asmutils.s index e1e0945..92226b3 100644 --- a/gp2x/asmutils.s +++ b/gp2x/asmutils.s @@ -3,6 +3,7 @@ @ (c) Copyright 2006, notaz @ All Rights Reserved +@ vim:filetype=armasm @ Convert 0000bbb0 ggg0rrr0 0000bbb0 ggg0rrr0 @ to 00000000 rrr00000 ggg00000 bbb00000 ... @@ -197,7 +198,6 @@ vidCpyM2_32col_nobord: b vidCpyM2_32_loop_out -@ test .global spend_cycles @ c spend_cycles: @@ -208,3 +208,12 @@ spend_cycles: bpl .sc_loop bx lr + + +@ test +.global flushcache + +flushcache: + swi #0x9f0002 + mov pc, lr + diff --git a/gp2x/emu.c b/gp2x/emu.c index 633a780..e564dfb 100644 --- a/gp2x/emu.c +++ b/gp2x/emu.c @@ -276,6 +276,7 @@ int emu_ReloadRom(void) // bios_help() ? return 0; } else { + if (PicoMCD & 1) PicoExitMCD(); PicoMCD &= ~1; } @@ -374,7 +375,7 @@ int emu_ReloadRom(void) } } gettimeofday(¬iceMsgTime, 0); -printf("PicoMCD: %x\n", PicoMCD); + // load SRAM for this ROM if(currentConfig.EmuOpt & 1) emu_SaveLoadGame(1, 1); @@ -452,8 +453,8 @@ int emu_ReadConfig(int game) // set default config memset(¤tConfig, 0, sizeof(currentConfig)); currentConfig.lastRomFile[0] = 0; - currentConfig.EmuOpt = 0x1f | 0xc00; // | cd_leds | cd_cdda - currentConfig.PicoOpt = 0x0f | 0x200; // | use_940 + currentConfig.EmuOpt = 0x1f | 0x400; // | cd_leds + currentConfig.PicoOpt = 0x0f | 0xe00; // | use_940 | cd_pcm | cd_cdda currentConfig.PsndRate = 44100; currentConfig.PicoRegion = 0; // auto currentConfig.PicoAutoRgnOrder = 0x184; // US, EU, JP @@ -599,20 +600,20 @@ static void cd_leds(void) // 8-bit modes unsigned int col_g = (old_reg & 2) ? 0xc0c0c0c0 : 0xe0e0e0e0; unsigned int col_r = (old_reg & 1) ? 0xd0d0d0d0 : 0xe0e0e0e0; - *(unsigned int *)((char *)gp2x_screen + 320*2+306) = - *(unsigned int *)((char *)gp2x_screen + 320*3+306) = - *(unsigned int *)((char *)gp2x_screen + 320*4+306) = col_g; - *(unsigned int *)((char *)gp2x_screen + 320*2+312) = - *(unsigned int *)((char *)gp2x_screen + 320*3+312) = - *(unsigned int *)((char *)gp2x_screen + 320*4+312) = col_r; + *(unsigned int *)((char *)gp2x_screen + 320*2+ 4) = + *(unsigned int *)((char *)gp2x_screen + 320*3+ 4) = + *(unsigned int *)((char *)gp2x_screen + 320*4+ 4) = col_g; + *(unsigned int *)((char *)gp2x_screen + 320*2+12) = + *(unsigned int *)((char *)gp2x_screen + 320*3+12) = + *(unsigned int *)((char *)gp2x_screen + 320*4+12) = col_r; } else { // 16-bit modes - unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+306); + unsigned int *p = (unsigned int *)((short *)gp2x_screen + 320*2+4); unsigned int col_g = (old_reg & 2) ? 0x06000600 : 0; unsigned int col_r = (old_reg & 1) ? 0xc000c000 : 0; - *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2; - *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2; - *p++ = col_g; *p++ = col_g; p++; *p++ = col_r; *p++ = col_r; p += 320/2 - 10/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2; + *p++ = col_g; *p++ = col_g; p+=2; *p++ = col_r; *p++ = col_r; p += 320/2 - 12/2; } } diff --git a/gp2x/emu.h b/gp2x/emu.h index e5a7f30..674929b 100644 --- a/gp2x/emu.h +++ b/gp2x/emu.h @@ -19,8 +19,8 @@ typedef struct { char lastRomFile[512]; int EmuOpt; // LSb->MSb: use_sram, show_fps, enable_sound, gzip_saves, // squidgehack, save_cfg_on_exit, , 16_bit_mode - // craigix_ram, confirm_save, show_cd_leds, enable_cdda - // enable_pcm + // craigix_ram, confirm_save, show_cd_leds + // int PicoOpt; // used for config saving only, see Pico.h int PsndRate; // ditto int PicoRegion; // ditto diff --git a/gp2x/menu.c b/gp2x/menu.c index 16c9ab5..2433742 100644 --- a/gp2x/menu.c +++ b/gp2x/menu.c @@ -574,7 +574,8 @@ static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_j gp2x_text_out8(tl_x, (y+=10), "EUR BIOS: %s", b_eu); // 1 gp2x_text_out8(tl_x, (y+=10), "JAP BIOS: %s", b_jp); // 2 gp2x_text_out8(tl_x, (y+=10), "CD LEDs %s", (currentConfig.EmuOpt &0x400)?"ON":"OFF"); // 3 - gp2x_text_out8(tl_x, (y+=10), "CDDA audio (using mp3s) %s", (currentConfig.EmuOpt &0x800)?"ON":"OFF"); // 4 + gp2x_text_out8(tl_x, (y+=10), "CDDA audio (using mp3s) %s", (currentConfig.PicoOpt&0x800)?"ON":"OFF"); // 4 + gp2x_text_out8(tl_x, (y+=10), "PCM audio %s", (currentConfig.PicoOpt&0x400)?"ON":"OFF"); // 5 gp2x_text_out8(tl_x, (y+=10), "Done"); // draw cursor @@ -590,7 +591,7 @@ static void draw_cd_menu_options(int menu_sel, char *b_us, char *b_eu, char *b_j static void cd_menu_loop_options(void) { - int menu_sel = 0, menu_sel_max = 5; + int menu_sel = 0, menu_sel_max = 6; unsigned long inp = 0; char bios_us[32], bios_eu[32], bios_jp[32], *bios, *p; @@ -618,8 +619,9 @@ static void cd_menu_loop_options(void) if((inp& GP2X_B)||(inp&GP2X_LEFT)||(inp&GP2X_RIGHT)) { // toggleable options switch (menu_sel) { case 3: currentConfig.EmuOpt ^=0x400; break; - case 4: currentConfig.EmuOpt ^=0x800; break; - case 5: return; + case 4: currentConfig.PicoOpt^=0x800; break; + case 5: currentConfig.PicoOpt^=0x400; break; + case 6: return; } } if(inp & (GP2X_X|GP2X_A)) return; diff --git a/linux/940ctl_ym2612.c b/linux/940ctl_ym2612.c index 2cfa57b..915ac0a 100644 --- a/linux/940ctl_ym2612.c +++ b/linux/940ctl_ym2612.c @@ -20,8 +20,6 @@ static YM2612 ym2612; YM2612 *ym2612_940 = &ym2612; -int mix_buffer_[44100/50*2]; /* this is where the YM2612 samples will be mixed to */ -int *mix_buffer = mix_buffer_; // static _940_data_t shared_data_; static _940_ctl_t shared_ctl_; @@ -96,58 +94,6 @@ void YM2612ResetChip_940(void) } -static void mix_samples(short *dest_buf, int *ym_buf, short *mp3_buf, int len, int stereo) -{ - if (mp3_buf) - { - if (stereo) - { - for (; len > 0; len--) - { - int l, r; - l = r = *dest_buf; - l += *ym_buf++; r += *ym_buf++; - l += *mp3_buf++; r += *mp3_buf++; - Limit( l, MAXOUT, MINOUT ); - Limit( r, MAXOUT, MINOUT ); - *dest_buf++ = l; *dest_buf++ = r; - } - } else { - for (; len > 0; len--) - { - int l = *ym_buf++; - l += *dest_buf; - l += *mp3_buf++; - Limit( l, MAXOUT, MINOUT ); - *dest_buf++ = l; - } - } - } - else - { - if (stereo) - { - for (; len > 0; len--) - { - int l, r; - l = r = *dest_buf; - l += *ym_buf++, r += *ym_buf++; - Limit( l, MAXOUT, MINOUT ); - Limit( r, MAXOUT, MINOUT ); - *dest_buf++ = l; *dest_buf++ = r; - } - } else { - for (; len > 0; len--) - { - int l = *ym_buf++; - l += *dest_buf; - Limit( l, MAXOUT, MINOUT ); - *dest_buf++ = l; - } - } - } -} - #if 0 static void local_decode(void) { @@ -190,7 +136,7 @@ static void local_decode(void) static FILE *loaded_mp3 = 0; -void YM2612UpdateOne_940(short *buffer, int length, int stereo) +int YM2612UpdateOne_940(int *buffer, int length, int stereo, int is_buf_empty) { #if 0 int cdda_on, *ym_buffer = mix_buffer; @@ -233,9 +179,7 @@ void YM2612UpdateOne_940(short *buffer, int length, int stereo) mp3_samples_ready += 1152; } #else - YM2612UpdateOne_(buffer, length, stereo); // really writes to mix_buffer - - mix_samples(buffer, mix_buffer, 0, length, stereo); + return YM2612UpdateOne_(buffer, length, stereo, is_buf_empty); #endif } diff --git a/linux/Makefile b/linux/Makefile index e8d740e..b5f7133 100644 --- a/linux/Makefile +++ b/linux/Makefile @@ -31,9 +31,9 @@ OBJS += ../../Pico/Area.o ../../Pico/Cart.o ../../Pico/Utils.o ../../Pico/Memory # Pico - CD OBJS += ../../Pico/cd/Pico.o ../../Pico/cd/Memory.o ../../Pico/cd/Sek.o ../../Pico/cd/LC89510.o \ ../../Pico/cd/cd_sys.o ../../Pico/cd/cd_file.o ../../Pico/cd/gfx_cd.o \ - ../../Pico/cd/Area.o ../../Pico/cd/Misc.o + ../../Pico/cd/Area.o ../../Pico/cd/Misc.o ../../Pico/cd/pcm.o # Pico - sound -OBJS += ../../Pico/sound/sound.o ../../Pico/sound/sn76496.o ../../Pico/sound/ym2612.o +OBJS += ../../Pico/sound/sound.o ../../Pico/sound/sn76496.o ../../Pico/sound/ym2612.o ../../Pico/sound/mix.o # zlib OBJS += ../../zlib/gzio.o ../../zlib/inffast.o ../../zlib/inflate.o ../../zlib/inftrees.o ../../zlib/trees.o \ ../../zlib/deflate.o ../../zlib/crc32.o ../../zlib/adler32.o ../../zlib/zutil.o ../../zlib/compress.o -- 2.39.2