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fix: get key resource

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Atreya Bain
2025-02-19 16:59:52 +00:00
parent 9b39560d43
commit d6e813b927
3 changed files with 25 additions and 15 deletions
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21
src/device/device.rs
View File

@@ -3,6 +3,7 @@ use crate::device::keyboard::Keyboard;
use crate::device::timer::DeviceTimerManager;
use crate::util::EmulatorResult;
use rand::random;
use rand::seq::IteratorRandom;
use std::sync::{Arc, Mutex};
use std::thread::sleep;
use std::time::Duration;
@@ -55,8 +56,8 @@ impl Device {
const ROM_START: usize = 0x200;
// Throttling configuration for cpu
const DO_CHIP_CPU_THROTTLING:bool = true;
const TARGET_CPU_SPEED_INSTRUCTIONS_PER_SECOND: u64 = 800;
const DO_CHIP_CPU_THROTTLING:bool = false;
const TARGET_CPU_SPEED_INSTRUCTIONS_PER_SECOND: u64 = 10000;
const TARGET_CPU_INSTRUCTION_TIME: Duration = Duration::from_micros(1_000_000/Self::TARGET_CPU_SPEED_INSTRUCTIONS_PER_SECOND);
pub fn cycle(&mut self) -> EmulatorResult<()> {
@@ -64,7 +65,7 @@ impl Device {
self.device_keyboard.update_keyboard_registers()?;
let pc = self.registers.pc as usize;
let instr_slice = self.memory.get(pc..pc + 2).expect("Failed to get memory");
let instr_slice = self.memory.get(pc..pc + 2).expect(format!("Failed to get memory at {}",pc).as_str());
self.registers.pc += 2;
let instruction = Instruction::decode_instruction(instr_slice);
@@ -84,7 +85,6 @@ impl Device {
y * Self::FRAME_BUFFER_WIDTH + x
}
pub fn execute_instruction(&mut self, instruction: Instruction) -> EmulatorResult<()> {
// thread::sleep(Duration::from_millis(250));
log::trace!("Executing {:?}, {:?}", &instruction, &self.registers);
match instruction {
Instruction::InvalidInstruction => {
@@ -249,10 +249,19 @@ impl Device {
self.registers.i = addn_res;
}
Instruction::GetKey(x) => {
let key_expected = self.registers.v[x];
if !self.device_keyboard.query_key_down(key_expected) {
// if !self.device_keyboard.query_key_down(key_expected) {
// self.registers.pc -= 2;
// }
let mut possible_presses = (0..=0xfu8).filter(|x|{self.device_keyboard.query_key_down(*x)});
let pressed = possible_presses.next();
if let Some(pressed_key) = pressed {
self.registers.v[x] = pressed_key;
} else{
self.registers.pc -= 2;
}
// let key_expected = self.registers.v[x];
}
Instruction::SetIndexToFontCharacter(x) => {
let requested_char = self.registers.v[x];

5
src/device/instruction.rs
View File

@@ -186,8 +186,9 @@ impl Instruction {
let x = (instruction & 0xf00) >> 8;
Instruction::LoadRegistersFromMemory(x as usize)
}
_ => {
todo!("Unimplemented instruction")
instruction_nibble => {
log::error!("Unimplemented instruction with nibble {:?}",instruction_nibble);
Instruction::InvalidInstruction
}
}
}