pjht/altair_emu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Factor out duplicate setting of address in fp_update

Browse Source
This commit is contained in:
pjht 2024-02-02 13:42:20 -06:00
parent 406382c33a
commit 7bdc489259
Signed by: pjht
GPG Key ID: 7B5F6AFBEC7EE78E
1 changed files with 3 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/state.rs
View File

@ -108,25 +108,19 @@ impl EmuState {
return; return;
} }
let cycle = self.cpu.get_mem_cycle(); let cycle = self.cpu.get_mem_cycle();
self.fp_state.set_addr(cycle.address());
self.fp_state.set_status(cycle.get_status()); self.fp_state.set_status(cycle.get_status());
match cycle { match cycle {
MemCycle::Fetch(a) | MemCycle::Read(a) | MemCycle::StackRead(a) => { MemCycle::Fetch(a) | MemCycle::Read(a) | MemCycle::StackRead(a) => {
self.fp_state.set_addr(a);
self.fp_state.set_data(self.mem[a as usize]); self.fp_state.set_data(self.mem[a as usize]);
} }
MemCycle::Write(a, _) | MemCycle::StackWrite(a, _) | MemCycle::Out(a, _) => { MemCycle::Write(_, _) | MemCycle::StackWrite(_, _) | MemCycle::Out(_, _) | MemCycle::Hlta => {
self.fp_state.set_addr(a);
self.fp_state.set_data(0xff); self.fp_state.set_data(0xff);
} }
MemCycle::In(a) => { MemCycle::In(_) => {
self.fp_state.set_addr(a);
self.fp_state.set_data(0); self.fp_state.set_data(0);
} }
MemCycle::Inta(_) => todo!(), MemCycle::Inta(_) => todo!(),
MemCycle::Hlta => {
self.fp_state.set_addr(0xffff);
self.fp_state.set_data(0xff);
}
MemCycle::IntaHlt(_) => todo!(), MemCycle::IntaHlt(_) => todo!(),
} }
} }