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Made a further guess at the state interrupts would probably be left; slightly simplified interface.

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This commit is contained in:
Thomas Harte 2016-03-14 22:42:52 -04:00
parent 15120d8fb6
commit 9a492ac15f
2 changed files with 5 additions and 6 deletions
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9
Machines/Electron/Electron.cpp
View File

@ -302,14 +302,15 @@ unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uin
_tape.clear_interrupts(Interrupt::ReceiveDataFull);
while(1)
{
uint8_t tapeStatus = _tape.run_for_input_pulse();
_tape.run_for_input_pulse();
cycles_left_while_plausibly_in_data--;
if(!cycles_left_while_plausibly_in_data) _fast_load_is_in_data = false;
if( (tapeStatus & Interrupt::ReceiveDataFull) &&
if( (_tape.get_interrupt_status() & Interrupt::ReceiveDataFull) &&
(_fast_load_is_in_data || _tape.get_data_register() == 0x2a)
) break;
}
_tape.set_delegate(this);
_tape.clear_interrupts(Interrupt::ReceiveDataFull);
_interrupt_status |= _tape.get_interrupt_status();
_fast_load_is_in_data = true;
@ -909,7 +910,7 @@ inline uint8_t Tape::get_data_register()
return (uint8_t)(_data_register >> 2);
}
inline uint8_t Tape::run_for_input_pulse()
inline void Tape::run_for_input_pulse()
{
get_next_tape_pulse();
@ -939,8 +940,6 @@ inline uint8_t Tape::run_for_input_pulse()
_crossings[2] = _crossings[3] = Tape::Recognised;
}
}
return _interrupt_status;
}
inline void Tape::run_for_cycles(unsigned int number_of_cycles)

2
Machines/Electron/Electron.hpp
View File

@ -78,7 +78,7 @@ class Tape {
inline void set_delegate(Delegate *delegate) { _delegate = delegate; }
inline void run_for_cycles(unsigned int number_of_cycles);
inline uint8_t run_for_input_pulse();
inline void run_for_input_pulse();
inline void set_is_running(bool is_running) { _is_running = is_running; }
inline void set_is_enabled(bool is_enabled) { _is_enabled = is_enabled; }