6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-11-26 08:49:37 +00:00
Code Issues Projects Releases Wiki Activity

Adds Timer 1 toggling of PB7.

Browse Source
This commit is contained in:
Thomas Harte 2019-06-03 15:39:20 -04:00
parent 4d4ddded6d
commit abe55fe950
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Components/6522/Implementation/6522Implementation.hpp
View File

@ -313,10 +313,18 @@ template <typename T> void MOS6522<T>::do_phase1() {
registers_.interrupt_flags |= InterruptFlag::Timer1; registers_.interrupt_flags |= InterruptFlag::Timer1;
reevaluate_interrupts(); reevaluate_interrupts();
// Determine whether to reload.
if(registers_.auxiliary_control&0x40) if(registers_.auxiliary_control&0x40)
registers_.timer_needs_reload = true; registers_.timer_needs_reload = true;
else else
timer_is_running_[0] = false; timer_is_running_[0] = false;
// Determine whether to toggle PB7.
if(registers_.auxiliary_control&0x80) {
registers_.output[1] ^= 0x80;
bus_handler_.run_for(time_since_bus_handler_call_.flush());
bus_handler_.set_port_output(Port::B, registers_.output[1], registers_.data_direction[1]);
}
} }
// If the shift register is shifting according to the input clock, do a shift. // If the shift register is shifting according to the input clock, do a shift.