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Adds some logging preparatory to a MOVE change.

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This commit is contained in:
Thomas Harte 2019-05-28 15:05:42 -04:00
parent 1d3dde32f2
commit c52da9d802
2 changed files with 34 additions and 12 deletions
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2
OSBindings/Mac/Clock SignalTests/EmuTOSTests.mm
View File

@ -11,6 +11,8 @@
#include <array>
#include <cassert>
#define LOG_TRACE
#include "68000.hpp"
#include "Comparative68000.hpp"
#include "CSROMFetcher.hpp"

44
Processors/68000/Implementation/68000Implementation.hpp
View File

@ -47,6 +47,10 @@
template <class T, bool dtack_is_implicit, bool signal_will_perform> void Processor<T, dtack_is_implicit, signal_will_perform>::run_for(HalfCycles duration) {
const HalfCycles remaining_duration = duration + half_cycles_left_to_run_;
#ifdef LOG_TRACE
static bool should_log = true;
#endif
// This loop counts upwards rather than downwards because it simplifies calculation of
// E as and when required.
HalfCycles cycles_run_for;
@ -123,7 +127,7 @@ template <class T, bool dtack_is_implicit, bool signal_will_perform> void Proces
}
#ifdef LOG_TRACE
if(!(active_step_->microcycle.operation & Microcycle::IsProgram)) {
if(should_log && !(active_step_->microcycle.operation & Microcycle::IsProgram)) {
switch(active_step_->microcycle.operation & (Microcycle::SelectWord | Microcycle::SelectByte | Microcycle::Read)) {
default: break;
@ -241,28 +245,40 @@ template <class T, bool dtack_is_implicit, bool signal_will_perform> void Proces
populate_trap_steps(9, get_status());
} else {
#ifdef LOG_TRACE
std::cout << std::setfill('0');
std::cout << (extend_flag_ ? 'x' : '-') << (negative_flag_ ? 'n' : '-') << (zero_result_ ? '-' : 'z');
std::cout << (overflow_flag_ ? 'v' : '-') << (carry_flag_ ? 'c' : '-') << '\t';
for(int c = 0; c < 8; ++ c) std::cout << "d" << c << ":" << std::setw(8) << data_[c].full << " ";
for(int c = 0; c < 8; ++ c) std::cout << "a" << c << ":" << std::setw(8) << address_[c].full << " ";
if(is_supervisor_) {
std::cout << "usp:" << std::setw(8) << std::setfill('0') << stack_pointers_[0].full << " ";
} else {
std::cout << "ssp:" << std::setw(8) << std::setfill('0') << stack_pointers_[1].full << " ";
if(should_log) {
std::cout << std::setfill('0');
std::cout << (extend_flag_ ? 'x' : '-') << (negative_flag_ ? 'n' : '-') << (zero_result_ ? '-' : 'z');
std::cout << (overflow_flag_ ? 'v' : '-') << (carry_flag_ ? 'c' : '-') << '\t';
for(int c = 0; c < 8; ++ c) std::cout << "d" << c << ":" << std::setw(8) << data_[c].full << " ";
for(int c = 0; c < 8; ++ c) std::cout << "a" << c << ":" << std::setw(8) << address_[c].full << " ";
if(is_supervisor_) {
std::cout << "usp:" << std::setw(8) << std::setfill('0') << stack_pointers_[0].full << " ";
} else {
std::cout << "ssp:" << std::setw(8) << std::setfill('0') << stack_pointers_[1].full << " ";
}
std::cout << '\n';
}
std::cout << '\n';
#endif
decoded_instruction_.full = prefetch_queue_.halves.high.full;
#ifdef LOG_TRACE
std::cout << std::hex << (program_counter_.full - 4) << ": " << std::setw(4) << decoded_instruction_.full << '\t';
if(should_log) {
std::cout << std::hex << (program_counter_.full - 4) << ": " << std::setw(4) << decoded_instruction_.full << '\t';
}
#endif
if(signal_will_perform) {
bus_handler_.will_perform(program_counter_.full - 4, decoded_instruction_.full);
}
#ifdef LOG_TRACE
// should_log |= ((program_counter_.full - 4) == 0x405054);
#endif
if(decoded_instruction_.full == 0x206f) {
printf("");
}
if(instructions[decoded_instruction_.full].micro_operations) {
if(instructions[decoded_instruction_.full].requires_supervisor && !is_supervisor_) {
// A privilege violation has been detected.
@ -282,6 +298,10 @@ template <class T, bool dtack_is_implicit, bool signal_will_perform> void Proces
// The location of the failed instruction is what should end up on the stack.
program_counter_.full -= 4;
#ifdef LOG_TRACE
// should_log = true;
#endif
// The vector used depends on whether this is a vanilla unrecognised instruction,
// or one on the A or F lines.
switch(decoded_instruction_.full >> 12) {