6502/CLK
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Edged closer towards realistic timing.

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This commit is contained in:
Thomas Harte 2016-02-13 20:52:35 -05:00
parent eeb0e134fd
commit 7bd237193d
2 changed files with 9 additions and 9 deletions
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16
Machines/Electron/Electron.cpp
View File

@ -18,8 +18,8 @@ static const unsigned int cycles_per_frame = 312*cycles_per_line + 64;
static const unsigned int crt_cycles_multiplier = 8;
static const unsigned int crt_cycles_per_line = crt_cycles_multiplier * cycles_per_line;
const int first_graphics_line = 28;
const int first_graphics_cycle = 33;
static const int first_graphics_line = 38;
static const int first_graphics_cycle = 33;
Machine::Machine() :
_interruptControl(0),
@ -37,7 +37,7 @@ Machine::Machine() :
"float texValue = texture(texID, coordinate).r;"
"return vec3(step(4.0/256.0, mod(texValue, 8.0/256.0)), step(2.0/256.0, mod(texValue, 4.0/256.0)), step(1.0/256.0, mod(texValue, 2.0/256.0)));"
"}");
_crt->set_visible_area(Outputs::Rect(0.2f, 0.05f, 0.82f, 0.82f));
// _crt->set_visible_area(Outputs::Rect(0.2f, 0.05f, 0.82f, 0.82f));
memset(_keyStates, 0, sizeof(_keyStates));
memset(_palette, 0xf, sizeof(_palette));
@ -293,12 +293,12 @@ unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uin
update_audio();
break;
case 128*128:
case (first_graphics_line + 100)*128:
update_audio();
signal_interrupt(Interrupt::RealTimeClock);
break;
case 284*128:
case (first_graphics_line + 256)*128:
update_audio();
signal_interrupt(Interrupt::DisplayEnd);
break;
@ -472,7 +472,7 @@ inline void Machine::update_display()
{
_crt->output_data((unsigned int)((_writePointer - _currentLine) * _currentOutputDivider * crt_cycles_multiplier), _currentOutputDivider);
_currentOutputDivider = newDivider;
_crt->allocate_write_area((int)((104 - (unsigned int)line_position) * crt_cycles_multiplier / _currentOutputDivider));
_crt->allocate_write_area((size_t)((104 - (unsigned int)line_position) * crt_cycles_multiplier / _currentOutputDivider));
_currentLine = _writePointer = (uint8_t *)_crt->get_write_target_for_buffer(0);
}
@ -653,7 +653,7 @@ inline void Tape::get_next_tape_pulse()
_current_pulse = _tape->get_next_pulse();
if(_pulse_stepper == nullptr || _current_pulse.length.clock_rate != _pulse_stepper->get_output_rate())
{
_pulse_stepper = std::shared_ptr<SignalProcessing::Stepper>(new SignalProcessing::Stepper(_current_pulse.length.clock_rate, 2000000));
_pulse_stepper = std::unique_ptr<SignalProcessing::Stepper>(new SignalProcessing::Stepper(_current_pulse.length.clock_rate, 2000000));
}
}
@ -723,7 +723,7 @@ inline void Tape::set_is_in_input_mode(bool is_in_input_mode)
inline void Tape::set_counter(uint8_t value)
{
_pulse_stepper = std::shared_ptr<SignalProcessing::Stepper>(new SignalProcessing::Stepper(1200, 2000000));
_pulse_stepper = std::unique_ptr<SignalProcessing::Stepper>(new SignalProcessing::Stepper(1200, 2000000));
}
inline void Tape::set_data_register(uint8_t value)

2
Machines/Electron/Electron.hpp
View File

@ -90,7 +90,7 @@ class Tape {
std::shared_ptr<Storage::Tape> _tape;
Storage::Tape::Pulse _current_pulse;
std::shared_ptr<SignalProcessing::Stepper> _pulse_stepper;
std::unique_ptr<SignalProcessing::Stepper> _pulse_stepper;
uint32_t _time_into_pulse;
bool _is_running;