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https://github.com/RetroDECK/Duckstation.git
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58 lines
1.3 KiB
Plaintext
58 lines
1.3 KiB
Plaintext
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#include "gte.h"
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template<u32 index>
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u8 GTE::Core::TruncateRGB(s32 value)
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{
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if (value < 0 || value > 0xFF)
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{
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if constexpr (index == 0)
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m_regs.FLAG.color_r_saturated = true;
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else if constexpr (index == 1)
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m_regs.FLAG.color_g_saturated = true;
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else
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m_regs.FLAG.color_b_saturated = true;
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value = (value < 0) ? 0 : 0xFF;
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}
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return static_cast<u8>(value);
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}
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template<u32 index>
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s32 GTE::Core::TruncateMAC(s64 value)
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{
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if (value < INT64_C(-2147483648))
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{
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if constexpr (index == 0)
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m_regs.FLAG.mac0_underflow = true;
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else if constexpr (index == 1)
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m_regs.FLAG.mac1_underflow = true;
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else if constexpr (index == 2)
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m_regs.FLAG.mac2_underflow = true;
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else if constexpr (index == 3)
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m_regs.FLAG.mac3_underflow = true;
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return static_cast<s32>(UINT32_C(0x80000000));
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}
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else if (value > INT64_C(2147483647))
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{
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if constexpr (index == 0)
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m_regs.FLAG.mac0_overflow = true;
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else if constexpr (index == 1)
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m_regs.FLAG.mac1_overflow = true;
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else if constexpr (index == 2)
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m_regs.FLAG.mac2_overflow = true;
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else if constexpr (index == 3)
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m_regs.FLAG.mac3_overflow = true;
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return static_cast<s32>(UINT32_C(0x7FFFFFFF));
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}
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return static_cast<s32>(value);
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}
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template<u32 index>
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void GTE::Core::SetIR(s32 value, bool lm)
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{
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}
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