tmerritt/trevors_chip8_toy
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ui update

Browse Source
This commit is contained in:
Trevor Merritt 2024-11-01 17:40:39 -04:00
parent d2537705b7
commit 4e52b5b05a
3 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gemma/src/chip8/instructions.rs
View File

@ -803,18 +803,24 @@ impl Chip8CpuInstructions {
let working_16_or = working_16_x | working_16_y;
// shift them back to 8 bit.
input.registers.poke(*x, working_16_or as u8);
// reset of VF quirk
input.registers.poke(0x0f, 0x00);
debug!("OrVxVy [0x{x:1x}] [0x{y:1x}]")
}
// 0x8xy2 Set Vx = Vx AND Vy
Chip8CpuInstructions::AND(x, y) => {
let lhs_16 = input.registers.peek(*x) as u16;
let rhs_16 = input.registers.peek(*y) as u16;
// reset of VF quirk
input.registers.poke(0x0f, 0x00);
input.registers.poke(*x, (lhs_16 & rhs_16) as u8);
}
// 0x8xy3 Set Vx = Vx XOR Vy
Chip8CpuInstructions::ORY(x, y) => {
let lhs_16 = input.registers.peek(*x) as u16;
let rhs_16 = input.registers.peek(*y) as u16;
// reset of VF quirk
input.registers.poke(0x0f, 0x00);
input.registers.poke(*x, (lhs_16 ^ rhs_16) as u8);
}
// 0x8xy4 Set Vx = Vx + Vy (SET VF on Carry)
@ -1107,7 +1113,7 @@ impl Chip8CpuInstructions {
Chip8CpuInstructions::LDIX(x) => {
// Store registers V0 through Vx in memory starting at location I.
//
// The interpreter copies the values of registers V0 through Vx into memory,
// The interpreter copi=es the values of registers V0 through Vx into memory,
// starting at the address in I.
let offset = input.registers.peek_i();
for i in 0..=*x {

5
gemmaimgui/src/bin/gemmaimgui.rs
View File

@ -22,7 +22,6 @@ fn main() {
let mut system = Chip8ComputerManager::default();
let mut ui_state = ImGuiUiState::default();
let target_ips = ui_state.target_ips;
support::simple_init(file!(), move |_, ui| {
let current_time = Instant::now();
@ -54,14 +53,14 @@ fn main() {
let target_ms = ui_state.frame_time;
let loop_start_time = Instant::now();
while Instant::now().duration_since(current_time).as_millis() < target_ms as u128 && num_cycles < target_ips {
while Instant::now().duration_since(current_time).as_millis() < target_ms as u128 && num_cycles < ui_state.target_ips {
if system.tick() {
num_cycles += 1;
}
}
let cycles_time = Instant::now().duration_since(loop_start_time);
if num_cycles > 0 {
println!("Ran for {}ms and executed {}/{} cycles.", cycles_time.as_millis(), num_cycles, target_ips);
println!("Ran for {}ms and executed {}/{} cycles.", cycles_time.as_millis(), num_cycles, ui_state.target_ips);
}
// GUI Parts
if ui_state.show_video {

1
gemmaimgui/src/bin/support/emmagui_support.rs
View File

@ -158,6 +158,7 @@ impl GemmaImguiSupport {
ui.checkbox("Show Registers", &mut gui_state.show_registers);
ui.same_line();
ui.checkbox("Show Keypad", &mut gui_state.show_keypad);
ui.input_int("Target IPS", &mut gui_state.target_ips).build();
};
});
}