dolphin/Source/Core/VideoBackends/Software/OpcodeDecoder.h
magumagu 39d439fc48 Opcode decoding: handle missing opcodes 0x88 etc.
Hardware testing shows that they do the same thing as the 0x80 family of
opcodes: they draw quads.
2014-05-10 20:33:28 -07:00

52 lines
1.4 KiB
C++

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "Common/ChunkFile.h"
#include "Common/CommonTypes.h"
namespace OpcodeDecoder
{
#define GX_NOP 0x00
#define GX_LOAD_BP_REG 0x61
#define GX_LOAD_CP_REG 0x08
#define GX_LOAD_XF_REG 0x10
#define GX_LOAD_INDX_A 0x20
#define GX_LOAD_INDX_B 0x28
#define GX_LOAD_INDX_C 0x30
#define GX_LOAD_INDX_D 0x38
#define GX_CMD_CALL_DL 0x40
#define GX_CMD_INVL_VC 0x48
#define GX_PRIMITIVE_MASK 0x78
#define GX_PRIMITIVE_SHIFT 3
#define GX_VAT_MASK 0x07
// These values are the values extracted using GX_PRIMITIVE_MASK
// and GX_PRIMITIVE_SHIFT.
// GX_DRAW_QUADS_2 behaves the same way as GX_DRAW_QUADS.
#define GX_DRAW_QUADS 0x0 //0x80
#define GX_DRAW_QUADS_2 0x1 //0x88
#define GX_DRAW_TRIANGLES 0x2 //0x90
#define GX_DRAW_TRIANGLE_STRIP 0x3 //0x98
#define GX_DRAW_TRIANGLE_FAN 0x4 //0xA0
#define GX_DRAW_LINES 0x5 //0xA8
#define GX_DRAW_LINE_STRIP 0x6 //0xB0
#define GX_DRAW_POINTS 0x7 //0xB8
void Init();
void ResetDecoding();
bool CommandRunnable(u32 iBufferSize);
void Run(u32 iBufferSize);
void DoState(PointerWrap &p);
}