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Attempts to route CIA interrupts.

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This commit is contained in:
Thomas Harte
2021-07-28 19:36:30 -04:00
parent 37a55c3a77
commit 759007ffc1
5 changed files with 27 additions and 6 deletions
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Components/6526/6526.hpp
+3
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@@ -57,6 +57,9 @@ template <typename PortHandlerT, Personality personality> class MOS6526:
/// Pulses the TOD input the specified number of times.
void advance_tod(int count);
/// @returns @c true if the interrupt output is active, @c false otherwise.
bool get_interrupt_line();
private:
PortHandlerT &port_handler_;
Components/6526/Implementation/6526Implementation.hpp
+5 -3
View File
@@ -37,12 +37,14 @@ template <typename BusHandlerT, Personality personality>
void MOS6526<BusHandlerT, personality>::update_interrupts() {
if(interrupt_state_ & interrupt_control_) {
interrupt_state_ |= 0x80;
printf("6526 should signal interrupt\n");
assert(false);
}
}
template <typename BusHandlerT, Personality personality>
bool MOS6526<BusHandlerT, personality>::get_interrupt_line() {
return interrupt_state_ & 0x80;
}
template <typename BusHandlerT, Personality personality>
void MOS6526<BusHandlerT, personality>::write(int address, uint8_t value) {
address &= 0xf;