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Don't include DBR in direct indexed indirect.

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This commit is contained in:
Thomas Harte 2022-06-23 11:03:37 -04:00
parent 65140b341d
commit 3112376943
1 changed files with 2 additions and 2 deletions
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4
Processors/65816/Implementation/65816Implementation.hpp
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@ -345,10 +345,10 @@ template <typename BusHandler, bool uses_ready_line> void Processor<BusHandler,
continue; continue;
case OperationConstructDirectIndexedIndirect: case OperationConstructDirectIndexedIndirect:
data_address_ = registers_.data_bank + (( data_address_ = (
((registers_.direct + registers_.x.full + instruction_buffer_.value) & registers_.e_masks[1]) + ((registers_.direct + registers_.x.full + instruction_buffer_.value) & registers_.e_masks[1]) +
(registers_.direct & registers_.e_masks[0]) (registers_.direct & registers_.e_masks[0])
) & 0xffff); ) & 0xffff;
data_address_increment_mask_ = 0x00'ff'ff; data_address_increment_mask_ = 0x00'ff'ff;
if(!(registers_.direct&0xff)) { if(!(registers_.direct&0xff)) {