RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

make gp2x mp3 playback functional (need to unpack and compile helix decoder separately in platform/common/helix)

Browse source
This commit is contained in:
kub 2019-03-18 23:14:07 +01:00 • committed by kub
parent c79d0bb90f
commit 340e528ff8
13 changed files with 274 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

13
platform/gp2x/code940/940.c
View file

@ -2,7 +2,7 @@
// (c) Copyright 2006-2007, Grazvydas "notaz" Ignotas
#include "940shared.h"
#include "../../common/mp3.h"
#include "../../common/helix/pub/mp3dec.h"
static _940_data_t *shared_data = (_940_data_t *) 0x00100000;
static _940_ctl_t *shared_ctl = (_940_ctl_t *) 0x00200000;
@ -19,7 +19,7 @@ void drain_wb(void);
// is changed by other core just before we update it
void set_if_not_changed(int *val, int oldval, int newval);
void _memcpy(void *dst, const void *src, int count);
extern void *memcpy(void *dest, const void *src, unsigned long n);
// asm volatile ("mov r0, #0" ::: "r0");
// asm volatile ("mcr p15, 0, r0, c7, c6, 0" ::: "r0"); /* flush dcache */
@ -153,6 +153,8 @@ void Main940(void)
int job = 0;
ym2612_940 = &shared_data->ym2612;
// extern unsigned __bss_start__, __bss_end__;
// memset(&__bss_start__, 0, &__bss_end__ - &__bss_start__);
for (;;)
{
@ -167,6 +169,7 @@ void Main940(void)
shared_ctl->writebuff0[0] = shared_ctl->writebuff1[0] = 0xffff;
YM2612Init_(shared_ctl->baseclock, shared_ctl->rate);
/* Helix mp3 decoder */
__malloc_init();
shared_data->mp3dec = MP3InitDecoder();
break;
@ -185,7 +188,7 @@ void Main940(void)
case JOB940_PICOSTATESAVE2:
YM2612PicoStateSave2(0, 0);
_memcpy(shared_ctl->writebuff0, ym2612_940->REGS, 0x200);
memcpy(shared_ctl->writebuff0, ym2612_940->REGS, 0x200);
break;
case JOB940_PICOSTATELOAD2_PREP:
@ -193,7 +196,7 @@ void Main940(void)
break;
case JOB940_PICOSTATELOAD2:
_memcpy(ym2612_940->REGS, shared_ctl->writebuff0, 0x200);
memcpy(ym2612_940->REGS, shared_ctl->writebuff0, 0x200);
YM2612PicoStateLoad2(0, 0);
break;
@ -207,6 +210,7 @@ void Main940(void)
case JOB940_MP3RESET:
if (shared_data->mp3dec) MP3FreeDecoder(shared_data->mp3dec);
__malloc_init();
shared_data->mp3dec = MP3InitDecoder();
break;
}
@ -215,4 +219,3 @@ void Main940(void)
dcache_clean();
}
}