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Performed some quick tidying.

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Thomas Harte
2017-05-28 00:12:42 -04:00
parent 76f03900d2
commit ed3e38ac31
1 changed files with 45 additions and 70 deletions
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115
Processors/Z80/Z80.hpp
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@@ -1063,119 +1063,94 @@ template <class T> class Processor: public MicroOpScheduler<MicroOp> {
#pragma mark - Rotation and shifting #pragma mark - Rotation and shifting
#define set_rotate_flags() \
bit3_result_ = bit5_result_ = a_; \
carry_flag_ = new_carry; \
subtract_flag_ = half_carry_flag_ = 0;
case MicroOp::RLA: { case MicroOp::RLA: {
uint8_t new_carry = a_ >> 7; uint8_t new_carry = a_ >> 7;
a_ = (uint8_t)((a_ << 1) | carry_flag_); a_ = (uint8_t)((a_ << 1) | carry_flag_);
bit3_result_ = bit5_result_ = a_; set_rotate_flags();
carry_flag_ = new_carry; } break;
subtract_flag_ = half_carry_flag_ = 0;
case MicroOp::RRA: {
uint8_t new_carry = a_ & 1;
a_ = (uint8_t)((a_ >> 1) | (carry_flag_ << 7));
set_rotate_flags();
} break; } break;
case MicroOp::RLCA: { case MicroOp::RLCA: {
uint8_t new_carry = a_ >> 7; uint8_t new_carry = a_ >> 7;
a_ = (uint8_t)((a_ << 1) | new_carry); a_ = (uint8_t)((a_ << 1) | new_carry);
bit3_result_ = bit5_result_ = a_; set_rotate_flags();
carry_flag_ = new_carry;
subtract_flag_ = half_carry_flag_ = 0;
} break;
case MicroOp::RRA: {
uint8_t newCarry = a_ & 1;
a_ = (uint8_t)((a_ >> 1) | (carry_flag_ << 7));
bit3_result_ = bit5_result_ = a_;
carry_flag_ = newCarry;
subtract_flag_ = half_carry_flag_ = 0;
} break; } break;
case MicroOp::RRCA: { case MicroOp::RRCA: {
uint8_t newCarry = a_ & 1; uint8_t new_carry = a_ & 1;
a_ = (uint8_t)((a_ >> 1) | (newCarry << 7)); a_ = (uint8_t)((a_ >> 1) | (new_carry << 7));
bit5_result_ = bit3_result_ = a_; set_rotate_flags();
carry_flag_ = newCarry;
subtract_flag_ = half_carry_flag_ = 0;
} break; } break;
case MicroOp::RLC: { #undef set_rotate_flags
#define set_shift_flags() \
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source; \
set_parity(sign_result_); \
half_carry_flag_ = 0; \
subtract_flag_ = 0;
case MicroOp::RLC:
carry_flag_ = *(uint8_t *)operation->source >> 7; carry_flag_ = *(uint8_t *)operation->source >> 7;
*(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source << 1) | carry_flag_); *(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source << 1) | carry_flag_);
set_shift_flags();
break;
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source; case MicroOp::RRC:
set_parity(sign_result_);
half_carry_flag_ = 0;
subtract_flag_ = 0;
} break;
case MicroOp::RRC: {
carry_flag_ = *(uint8_t *)operation->source & 1; carry_flag_ = *(uint8_t *)operation->source & 1;
*(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source >> 1) | (carry_flag_ << 7)); *(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source >> 1) | (carry_flag_ << 7));
set_shift_flags();
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source; break;
set_parity(sign_result_);
half_carry_flag_ = 0;
subtract_flag_ = 0;
} break;
case MicroOp::RL: { case MicroOp::RL: {
uint8_t next_carry = *(uint8_t *)operation->source >> 7; uint8_t next_carry = *(uint8_t *)operation->source >> 7;
*(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source << 1) | carry_flag_); *(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source << 1) | carry_flag_);
carry_flag_ = next_carry; carry_flag_ = next_carry;
set_shift_flags();
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source;
set_parity(sign_result_);
half_carry_flag_ = 0;
subtract_flag_ = 0;
} break; } break;
case MicroOp::RR: { case MicroOp::RR: {
uint8_t next_carry = *(uint8_t *)operation->source & 1; uint8_t next_carry = *(uint8_t *)operation->source & 1;
*(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source >> 1) | (carry_flag_ << 7)); *(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source >> 1) | (carry_flag_ << 7));
carry_flag_ = next_carry; carry_flag_ = next_carry;
set_shift_flags();
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source;
set_parity(sign_result_);
half_carry_flag_ = 0;
subtract_flag_ = 0;
} break; } break;
case MicroOp::SLA: { case MicroOp::SLA:
carry_flag_ = *(uint8_t *)operation->source >> 7; carry_flag_ = *(uint8_t *)operation->source >> 7;
*(uint8_t *)operation->source = (uint8_t)(*(uint8_t *)operation->source << 1); *(uint8_t *)operation->source = (uint8_t)(*(uint8_t *)operation->source << 1);
set_shift_flags();
break;
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source; case MicroOp::SRA:
set_parity(sign_result_);
half_carry_flag_ = 0;
subtract_flag_ = 0;
} break;
case MicroOp::SRA: {
carry_flag_ = *(uint8_t *)operation->source & 1; carry_flag_ = *(uint8_t *)operation->source & 1;
*(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source >> 1) | (*(uint8_t *)operation->source & 0x80)); *(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source >> 1) | (*(uint8_t *)operation->source & 0x80));
set_shift_flags();
break;
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source; case MicroOp::SLL:
set_parity(sign_result_);
half_carry_flag_ = 0;
subtract_flag_ = 0;
} break;
case MicroOp::SLL: {
carry_flag_ = *(uint8_t *)operation->source >> 7; carry_flag_ = *(uint8_t *)operation->source >> 7;
*(uint8_t *)operation->source = (uint8_t)(*(uint8_t *)operation->source << 1) | 1; *(uint8_t *)operation->source = (uint8_t)(*(uint8_t *)operation->source << 1) | 1;
set_shift_flags();
break;
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source; case MicroOp::SRL:
set_parity(sign_result_);
half_carry_flag_ = 0;
subtract_flag_ = 0;
} break;
case MicroOp::SRL: {
carry_flag_ = *(uint8_t *)operation->source & 1; carry_flag_ = *(uint8_t *)operation->source & 1;
*(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source >> 1)); *(uint8_t *)operation->source = (uint8_t)((*(uint8_t *)operation->source >> 1));
set_shift_flags();
break;
sign_result_ = zero_result_ = bit5_result_ = bit3_result_ = *(uint8_t *)operation->source; #undef set_shift_flags
set_parity(sign_result_);
half_carry_flag_ = 0;
subtract_flag_ = 0;
} break;
#pragma mark - Interrupt state #pragma mark - Interrupt state