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Makes attempt to implement support for the Pravetz 8D + 8DOS.

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i.e. the Disk II wired up to the Oric, with some ROM swaps.
This commit is contained in:
Thomas Harte
2018-05-08 22:05:43 -04:00
parent d1b889aa61
commit c3a2f7717b
14 changed files with 327 additions and 169 deletions
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Components/DiskII/DiskII.cpp
+36
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@@ -184,3 +184,39 @@ void DiskII::set_component_is_sleeping(Sleeper *component, bool is_sleeping) {
bool DiskII::is_sleeping() {
return controller_can_sleep_ && drive_is_sleeping_[0] && drive_is_sleeping_[1];
}
void DiskII::set_register(int address, uint8_t value) {
trigger_address(address, value);
}
uint8_t DiskII::get_register(int address) {
return trigger_address(address, 0xff);
}
uint8_t DiskII::trigger_address(int address, uint8_t value) {
switch(address & 0xf) {
default:
case 0x0: set_control(Control::P0, false); break;
case 0x1: set_control(Control::P0, true); break;
case 0x2: set_control(Control::P1, false); break;
case 0x3: set_control(Control::P1, true); break;
case 0x4: set_control(Control::P2, false); break;
case 0x5: set_control(Control::P2, true); break;
case 0x6: set_control(Control::P3, false); break;
case 0x7: set_control(Control::P3, true); break;
case 0x8: set_control(Control::Motor, false); break;
case 0x9: set_control(Control::Motor, true); break;
case 0xa: select_drive(0); break;
case 0xb: select_drive(1); break;
case 0xc: return get_shift_register();
case 0xd: set_data_register(value); break;
case 0xe: set_mode(Mode::Read); break;
case 0xf: set_mode(Mode::Write); break;
}
return 0xff;
}