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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@227 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-08-25 18:06:54 +00:00
parent a4f0cc8647
commit eff55556cf
35 changed files with 607 additions and 363 deletions
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38
Pico/sound/sound.c
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@ -8,14 +8,9 @@
#include <string.h>
#include "sound.h"
#include "ym2612.h"
#include "sn76496.h"
#ifndef __GNUC__
#pragma warning (disable:4244)
#endif
#if defined(_USE_MZ80)
#include "../../cpu/mz80/mz80.h"
#elif defined(_USE_DRZ80)
@ -29,11 +24,8 @@
// master int buffer to mix to
static int PsndBuffer[2*44100/50];
//int z80CycleAim = 0;
// dac
short *dac_out;
unsigned short dac_info[312]; // pppppppp ppppllll, p - pos in buff, l - length to write for this sample
static unsigned short dac_info[312]; // pppppppp ppppllll, p - pos in buff, l - length to write for this sample
// for Pico
int PsndRate=0;
@ -51,7 +43,7 @@ void YM2612TimerHandler(int c,int cnt);
extern int *sn76496_regs;
static void dac_recalculate()
static void dac_recalculate(void)
{
int i, dac_cnt, pos, len, lines = Pico.m.pal ? 312 : 262, mid = Pico.m.pal ? 68 : 93;
@ -107,7 +99,7 @@ static void dac_recalculate()
}
void sound_reset()
PICO_INTERNAL void sound_reset(void)
{
void *ym2612_regs;
@ -169,7 +161,7 @@ void sound_rerate(int preserve_state)
// This is called once per raster (aka line), but not necessarily for every line
void sound_timers_and_dac(int raster)
PICO_INTERNAL void sound_timers_and_dac(int raster)
{
int pos, len;
int do_dac = PsndOut && (PicoOpt&1) && *ym2612_dacen;
@ -217,7 +209,7 @@ void sound_timers_and_dac(int raster)
}
void sound_clear(void)
PICO_INTERNAL void sound_clear(void)
{
int len = PsndLen;
if (PsndLen_exc_add) len++;
@ -226,7 +218,7 @@ void sound_clear(void)
}
int sound_render(int offset, int length)
PICO_INTERNAL int sound_render(int offset, int length)
{
int buf32_updated = 0;
int *buf32 = PsndBuffer+offset;
@ -333,7 +325,7 @@ static void DrZ80_irq_callback()
#endif
// z80 functionality wrappers
void z80_init()
PICO_INTERNAL void z80_init(void)
{
#if defined(_USE_MZ80)
struct mz80context z80;
@ -367,7 +359,7 @@ void z80_init()
#endif
}
void z80_reset()
PICO_INTERNAL void z80_reset(void)
{
#if defined(_USE_MZ80)
mz80reset();
@ -384,14 +376,14 @@ void z80_reset()
Pico.m.z80_fakeval = 0; // for faking when Z80 is disabled
}
void z80_resetCycles()
PICO_INTERNAL void z80_resetCycles(void)
{
#if defined(_USE_MZ80)
mz80GetElapsedTicks(1);
#endif
}
void z80_int()
PICO_INTERNAL void z80_int(void)
{
#if defined(_USE_MZ80)
mz80int(0);
@ -402,7 +394,7 @@ void z80_int()
}
// returns number of cycles actually executed
int z80_run(int cycles)
PICO_INTERNAL int z80_run(int cycles)
{
#if defined(_USE_MZ80)
int ticks_pre = mz80GetElapsedTicks(0);
@ -415,7 +407,7 @@ int z80_run(int cycles)
#endif
}
void z80_pack(unsigned char *data)
PICO_INTERNAL void z80_pack(unsigned char *data)
{
#if defined(_USE_MZ80)
struct mz80context mz80;
@ -430,7 +422,7 @@ void z80_pack(unsigned char *data)
#endif
}
void z80_unpack(unsigned char *data)
PICO_INTERNAL void z80_unpack(unsigned char *data)
{
#if defined(_USE_MZ80)
if(*(int *)data == 0x00005A6D) { // "mZ" save?
@ -456,7 +448,7 @@ void z80_unpack(unsigned char *data)
#endif
}
void z80_exit()
PICO_INTERNAL void z80_exit(void)
{
#if defined(_USE_MZ80)
mz80shutdown();
@ -464,7 +456,7 @@ void z80_exit()
}
#if defined(__DEBUG_PRINT) || defined(__GP2X__)
void z80_debug(char *dstr)
PICO_INTERNAL void z80_debug(char *dstr)
{
#if defined(_USE_DRZ80)
sprintf(dstr, "Z80 state: PC: %04x SP: %04x\n", drZ80.Z80PC-drZ80.Z80PC_BASE, drZ80.Z80SP-drZ80.Z80SP_BASE);