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Remove further magic constants.

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This commit is contained in:
Thomas Harte 2022-05-11 07:00:35 -04:00
parent ab8e1fdcbf
commit 4b97427937
1 changed files with 7 additions and 5 deletions
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12
InstructionSets/M68k/Implementation/PerformImplementation.hpp
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@ -9,6 +9,8 @@
#ifndef InstructionSets_M68k_PerformImplementation_h
#define InstructionSets_M68k_PerformImplementation_h
#include "../ExceptionVectors.hpp"
#include <cassert>
#include <cmath>
@ -500,7 +502,7 @@ template <
#define announce_divide_by_zero() \
status.negative_flag_ = status.overflow_flag_ = 0; \
status.zero_result_ = 1; \
flow_controller.raise_exception(5);
flow_controller.raise_exception(Exception::IntegerDivideByZero)
case Operation::DIVU: {
status.carry_flag_ = 0;
@ -538,7 +540,7 @@ template <
// An attempt to divide by zero schedules an exception.
if(!src.w) {
// Schedule a divide-by-zero exception.
announce_divide_by_zero()
announce_divide_by_zero();
break;
}
@ -578,12 +580,12 @@ template <
// TRAP, which is a nicer form of ILLEGAL.
case Operation::TRAP:
flow_controller.template raise_exception<false>(src.l + 32);
flow_controller.template raise_exception<false>(src.l + Exception::TrapBase);
break;
case Operation::TRAPV: {
if(status.overflow_flag_) {
flow_controller.template raise_exception<false>(7);
flow_controller.template raise_exception<false>(Exception::TRAPV);
}
} break;
@ -605,7 +607,7 @@ template <
// exception is necessary.
flow_controller.did_chk(is_under, is_over);
if(is_under || is_over) {
flow_controller.template raise_exception<false>(6);
flow_controller.template raise_exception<false>(Exception::CHK);
}
} break;