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Ensures ADC and SBC decimal take an extra cycle on the 65C02.

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This commit is contained in:
Thomas Harte 2018-08-10 22:52:55 -04:00
parent 261fb3d4f8
commit 878c63dcd2
1 changed files with 4 additions and 0 deletions
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4
Processors/6502/Implementation/6502Implementation.hpp
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@ -288,6 +288,8 @@ if(number_of_cycles <= Cycles(0)) break;
if(personality_ != P6502) {
negative_result_ = zero_result_ = a_;
read_mem(operand_, address_.full);
break;
}
continue;
} else {
@ -312,6 +314,8 @@ if(number_of_cycles <= Cycles(0)) break;
if(personality_ != P6502) {
negative_result_ = zero_result_ = a_;
read_mem(operand_, address_.full);
break;
}
} else {
const uint16_t result = static_cast<uint16_t>(a_) + static_cast<uint16_t>(operand_) + static_cast<uint16_t>(carry_flag_);