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Simplify 6809 conditionals a little.

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
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Adrian Conlon 2018-11-10 20:31:14 +00:00
parent b82ca402bf
commit b926f4b7f1
1 changed files with 2 additions and 2 deletions
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MC6809/inc/mc6809.h
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@ -274,11 +274,11 @@ namespace EightBit {
auto carry() const { return CC() & CF; }
auto halfCarry() const { return CC() & HF; }
auto LS() const { return carry() | (zero() >> 2); } // (C OR Z)
auto LS() const { return carry() || zero(); } // (C OR Z)
auto HI() const { return !LS(); } // !(C OR Z)
auto LT() const { return (negative() >> 3) ^ (overflow() >> 1); } // (N XOR V)
auto GE() const { return !LT(); } // !(N XOR V)
auto LE() const { return (zero() >> 2) | ((negative() >> 3) ^ (overflow() >> 1)); } // (Z OR (N XOR V))
auto LE() const { return zero() || LT(); } // (Z OR (N XOR V))
auto GT() const { return !LE(); } // !(Z OR (N XOR V))
// Branching