diff options
| author | magumagu <magumagu9@gmail.com> | 2014-05-08 16:53:18 -0700 |
|---|---|---|
| committer | magumagu <magumagu9@gmail.com> | 2014-05-10 20:33:28 -0700 |
| commit | 39d439fc48ef44d0a28113a10cb796cd8989f944 (patch) | |
| tree | 25a1cccde305a45ee57ae09b7432f3b40ceb1f2e /Source/Core/VideoBackends/Software/OpcodeDecoder.h | |
| parent | 2983ae2823cb8ff022d896c98df581064a6bb763 (diff) | |
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.
Diffstat (limited to 'Source/Core/VideoBackends/Software/OpcodeDecoder.h')
| -rw-r--r-- | Source/Core/VideoBackends/Software/OpcodeDecoder.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Source/Core/VideoBackends/Software/OpcodeDecoder.h b/Source/Core/VideoBackends/Software/OpcodeDecoder.h index 3d33b18d40..bec71af23f 100644 --- a/Source/Core/VideoBackends/Software/OpcodeDecoder.h +++ b/Source/Core/VideoBackends/Software/OpcodeDecoder.h @@ -27,8 +27,11 @@ namespace OpcodeDecoder #define GX_PRIMITIVE_SHIFT 3 #define GX_VAT_MASK 0x07 - //these are defined 1/8th of their real values and without their top bit + // 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 |