dnutiu/chip8-rust
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add tracing

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This commit is contained in:
Denis-Cosmin Nutiu 2024-12-12 19:53:17 +02:00
parent 884ac76083
commit d8878ef317
1 changed files with 7 additions and 0 deletions
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7
src/emulator.rs
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@ -398,27 +398,32 @@ where
}
}
ProcessorInstruction::FontCharacter { vx } => {
trace!("FontCharacter");
self.index_register = 0xF0 + (self.registers[vx as usize] as u16 & 0xF) * 5u16;
}
ProcessorInstruction::BinaryCodedDecimalConversion { vx } => {
trace!("BinaryCodedDecimalConversion");
let number = self.registers[vx as usize];
self.memory[self.index_register as usize] = number / 100;
self.memory[self.index_register as usize + 1] = (number / 10) % 10;
self.memory[self.index_register as usize + 2] = ((number) % 100) % 10;
}
ProcessorInstruction::LoadMemory { vx } => {
trace!("LoadMemory");
for i in 0..=vx {
let memory_index = (self.index_register + (i as u16)) as usize;
self.registers[i as usize] = self.memory[memory_index];
}
}
ProcessorInstruction::StoreMemory { vx } => {
trace!("StoreMemory");
for i in 0..=vx {
let memory_index = (self.index_register + (i as u16)) as usize;
self.memory[memory_index] = self.registers[i as usize];
}
}
ProcessorInstruction::GetKeyBlocking { vx } => {
trace!("GetKeyBlocking");
if let Some(key) = self.last_key_pressed {
self.registers[vx as usize] = key;
} else {
@ -426,6 +431,7 @@ where
}
}
ProcessorInstruction::SkipIfKeyIsPressed { vx } => {
trace!("SkipIfKeyIsPressed");
if let Some(key) = self.last_key_pressed {
if self.registers[vx as usize] == key {
self.program_counter += 2;
@ -433,6 +439,7 @@ where
}
}
ProcessorInstruction::SkipIfKeyIsNotPressed { vx } => {
trace!("SkipIfKeyIsNotPressed");
if let Some(key) = self.last_key_pressed {
if self.registers[vx as usize] != key {
self.program_counter += 2;