libretro-dolphin/Source/DSPSpy/dsp_interface.cpp

48 lines
1 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include "dsp_interface.h"
void IDSP::SendTask(void* addr, u16 iram_addr, u16 len, u16 start)
{
// addr main ram addr 4byte aligned (1 Gekko word)
// iram_addr dsp addr 4byte aligned (2 DSP words)
// len block length in bytes multiple of 4 (wtf? if you want to fill whole iram, you need
// 8191)
// (8191 % 4 = 3) wtffff
// start dsp iram entry point
while (CheckMailTo())
;
SendMailTo(0x80F3A001);
while (CheckMailTo())
;
SendMailTo((u32)addr);
while (CheckMailTo())
;
SendMailTo(0x80F3C002);
while (CheckMailTo())
;
SendMailTo(iram_addr);
while (CheckMailTo())
;
SendMailTo(0x80F3A002);
while (CheckMailTo())
;
SendMailTo(len);
while (CheckMailTo())
;
SendMailTo(0x80F3B002);
while (CheckMailTo())
;
SendMailTo(0);
while (CheckMailTo())
;
SendMailTo(0x80F3D001);
while (CheckMailTo())
;
SendMailTo(start);
while (CheckMailTo())
;
}