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Tidies up layout very slightly.

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This commit is contained in:
Thomas Harte 2020-10-15 20:51:23 -04:00
parent dfda2adf0d
commit 7aa6cf4c6b
1 changed files with 12 additions and 12 deletions
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24
Processors/65816/Implementation/65816Implementation.hpp
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@ -150,8 +150,8 @@ template <typename BusHandler, bool uses_ready_line> void Processor<BusHandler,
//
#define stack_access(value, operation) \
bus_address_ = stack_address(); \
bus_value_ = value; \
bus_address_ = stack_address(); \
bus_value_ = value; \
bus_operation_ = operation;
case CyclePush:
@ -763,21 +763,21 @@ template <typename BusHandler, bool uses_ready_line> void Processor<BusHandler,
} else { \
data_buffer_.size = 2; \
data_buffer_.value = registers_.pc + int8_t(instruction_buffer_.value); \
\
\
if((registers_.pc & 0xff00) == (instruction_buffer_.value & 0xff00)) { \
++next_op_; \
} \
++next_op_; \
} \
}
case BPL: BRA(!(registers_.flags.negative_result&0x80)); break;
case BMI: BRA(registers_.flags.negative_result&0x80); break;
case BVC: BRA(!registers_.flags.overflow); break;
case BVC: BRA(!registers_.flags.overflow); break;
case BVS: BRA(registers_.flags.overflow); break;
case BCC: BRA(!registers_.flags.carry); break;
case BCS: BRA(registers_.flags.carry); break;
case BCC: BRA(!registers_.flags.carry); break;
case BCS: BRA(registers_.flags.carry); break;
case BNE: BRA(registers_.flags.zero_result); break;
case BEQ: BRA(!registers_.flags.zero_result); break;
case BRA: BRA(true); break;
case BRA: BRA(true); break;
#undef BRA
@ -838,10 +838,10 @@ template <typename BusHandler, bool uses_ready_line> void Processor<BusHandler,
unsigned int result = 0;
unsigned int borrow = registers_.flags.carry ^ 1;
#define nibble(mask, adjustment, carry) \
#define nibble(mask, adjustment, carry) \
result += (a & mask) - (data_buffer_.value & mask) - borrow; \
if(result > mask) result -= adjustment;\
borrow = (result > mask) ? carry : 0; \
if(result > mask) result -= adjustment; \
borrow = (result > mask) ? carry : 0; \
result &= (carry - 1);
nibble(0x000f, 0x0006, 0x00010);