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Opcode decoding: handle missing opcodes 0x88 etc.

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Hardware testing shows that they do the same thing as the 0x80 family of
opcodes: they draw quads.
This commit is contained in:
magumagu
2014-05-08 16:53:18 -07:00
parent 2983ae2823
commit 39d439fc48
5 changed files with 26 additions and 16 deletions
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5
Source/Core/VideoBackends/Software/OpcodeDecoder.h
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@ -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