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Mutate SBCD to correct values, though not yet statuses.

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Thomas Harte 2022-05-12 07:22:26 -04:00
parent 0efeea1294
commit bd61c72007
1 changed files with 1 additions and 1 deletions
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InstructionSets/M68k/Implementation/PerformImplementation.hpp
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@ -794,7 +794,7 @@ template <
if(result & 0xf0) result -= 0x06; \ if(result & 0xf0) result -= 0x06; \
result += (destination & 0xf0) - (source & 0xf0); \ result += (destination & 0xf0) - (source & 0xf0); \
status.extend_flag_ = status.carry_flag_ = decltype(status.carry_flag_)((result & 0xff) > 0x9f); \ status.extend_flag_ = status.carry_flag_ = decltype(status.carry_flag_)((result & 0xff) > 0x9f); \
if(status.carry_flag_) result -= 0x60; \ if(unadjusted_result & 0x100) result -= 0x60; \
\ \
/* Set all flags essentially as if this were normal subtraction. */ \ /* Set all flags essentially as if this were normal subtraction. */ \
status.zero_result_ |= result & 0xff; \ status.zero_result_ |= result & 0xff; \