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messing about with the zelda ucode hle code, not really getting anywhere :/

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3472 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-06-16 21:58:49 +00:00
parent 212c406d0b
commit 4a5cf26160
2 changed files with 234 additions and 12 deletions
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41
Source/Plugins/Plugin_DSP_HLE/Src/UCodes/UCode_Zelda.h
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@ -21,6 +21,26 @@
#include "Common.h"
#include "UCodes.h"
// Here's a piece of pure guesswork, looking at random supposedly-PBs
// from Zelda Four Swords.
// These are 0x180 bytes large.
struct ZPB
{
u16 temp[0x80];
u16 temp2; u16 temp3;
u16 whatever[0x14 / 2];
// Not sure what addresses this is, hopefully to sample data in ARAM.
// These are the only things in the param blocks that look a lot like pointers.
u16 addr_high; // at 0x18 = 0xC * 2
u16 addr_low;
u16 filler[(0x80 - 0x1C) / 2];
};
class CUCode_Zelda : public IUCode
{
private:
@ -58,6 +78,24 @@ private:
u32 m_readOffset;
// HLE state
int num_param_blocks;
u32 param_blocks_ptr;
u32 param_blocks2_ptr;
ZPB zpbs[0x40];
ZPB zpbs2[4];
void CopyPBsFromRAM();
void CopyPBsToRAM();
u32 GetParamBlockAddr(int block_no) const {
return param_blocks_ptr + sizeof(ZPB) * block_no;
}
u8 Read8()
{
return m_Buffer[m_readOffset++];
@ -74,6 +112,9 @@ private:
{
u32 res = *(u32*)&m_Buffer[m_readOffset];
m_readOffset += 4;
if ((m_readOffset >> 2) >= m_numSteps + 1) {
WARN_LOG(DSPHLE, "Read32 out of bounds");
}
return res;
}
public: