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feat: added missing things on decoder

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Ran-j
2025-04-18 02:44:45 -03:00
parent cba98b04e2
commit da1bc9e482
2 changed files with 470 additions and 233 deletions
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ps2xRecomp/include/ps2recomp/instructions.h
+53 -9
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@@ -331,18 +331,62 @@ namespace ps2recomp
};
// COP1 (FPU) function codes
enum Cop1Format
{
COP1_MF = 0x00, // Move From FPU Register
COP1_CF = 0x02, // Move From FPU Control Register
COP1_MT = 0x04, // Move To FPU Register
COP1_CT = 0x06, // Move To FPU Control Register
COP1_BC = 0x08, // Branch on FPU Condition
COP1_S = 0x10, // Single Precision Operation
COP1_W = 0x14, // Word (integer) Operation
COP1_BC_BCF = 0x00,
COP1_BC_BCT = 0x01,
COP1_L = 0x15, // Long (64-bit integer) Operation
COP1_D = 0x11, // Double Precision Operation (unused on PS2 FPU?)
};
enum Cop1Functions
{
COP1_MF = 0x00,
COP1_CF = 0x02,
COP1_MT = 0x04,
COP1_CT = 0x06,
COP1_BC = 0x08,
COP1_S = 0x10,
COP1_W = 0x14,
COP1_BC_BCF = 0x00,
COP1_BC_BCT = 0x01
COP1_FUNC_ADD = 0x00,
COP1_FUNC_SUB = 0x01,
COP1_FUNC_MUL = 0x02,
COP1_FUNC_DIV = 0x03,
COP1_FUNC_SQRT = 0x04,
COP1_FUNC_ABS = 0x05,
COP1_FUNC_MOV = 0x06,
COP1_FUNC_NEG = 0x07,
COP1_FUNC_ROUND_L = 0x08,
COP1_FUNC_TRUNC_L = 0x09,
COP1_FUNC_CEIL_L = 0x0A,
COP1_FUNC_FLOOR_L = 0x0B,
COP1_FUNC_ROUND_W = 0x0C,
COP1_FUNC_TRUNC_W = 0x0D,
COP1_FUNC_CEIL_W = 0x0E,
COP1_FUNC_FLOOR_W = 0x0F,
COP1_FUNC_CVT_S = 0x20, // Convert to Single
COP1_FUNC_CVT_D = 0x21, // Convert to Double
COP1_FUNC_CVT_W = 0x24, // Convert to Word
COP1_FUNC_CVT_L = 0x25, // Convert to Long
// Comparisons (lowest 5 bits matter for condition, C bit set in FCR31)
COP1_FUNC_C_F = 0x30, // False
COP1_FUNC_C_UN = 0x31, // Unordered
COP1_FUNC_C_EQ = 0x32, // Equal
COP1_FUNC_C_UEQ = 0x33, // Unordered or Equal
COP1_FUNC_C_OLT = 0x34, // Ordered Less Than
COP1_FUNC_C_ULT = 0x35, // Unordered or Less Than
COP1_FUNC_C_OLE = 0x36, // Ordered Less Than or Equal
COP1_FUNC_C_ULE = 0x37, // Unordered or Less Than or Equal
COP1_FUNC_C_SF = 0x38, // Signaling False
COP1_FUNC_C_NGLE = 0x39, // Not Greater or Less or Equal (Unordered)
COP1_FUNC_C_SEQ = 0x3A, // Signaling Equal
COP1_FUNC_C_NGL = 0x3B, // Not Greater or Less (Unordered or Equal)
COP1_FUNC_C_LT = 0x3C, // Signaling Less Than
COP1_FUNC_C_NGE = 0x3D, // Not Greater or Equal (Unordered or Less Than)
COP1_FUNC_C_LE = 0x3E, // Signaling Less Than or Equal
COP1_FUNC_C_NGT = 0x3F, // Not Greater Than (Unordered or Less Than or Equal)
};
// COP2 (VU0 macro) function codes
enum Cop2Functions