dnutiu/chip8-rust
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fix font character instruction

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This commit is contained in:
Denis-Cosmin Nutiu 2024-12-08 16:49:27 +02:00
parent ca97cb7de8
commit 7001bb747d
2 changed files with 5 additions and 5 deletions
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2
src/display.rs
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@ -76,7 +76,7 @@ impl Display for RatatuiDisplay {
.title("Chip8 Emulator by nuculabs.dev")
.borders(Borders::ALL),
)
.marker(Marker::HalfBlock)
.marker(Marker::Braille)
.paint(|ctx| {
for row in 0..DISPLAY_HEIGHT {
for column in 0..DISPLAY_WIDTH {

8
src/emulator.rs
View file

@ -365,7 +365,7 @@ where
}
}
ProcessorInstruction::FontCharacter(vx) => {
self.index_register = 0xF0 + (self.registers[vx as usize] & 0x0F) as u16;
self.index_register = 0xF0 + (self.registers[vx as usize] as u16) * 5u16;
}
ProcessorInstruction::BinaryCodedDecimalConversion(vx) => {
let number = self.registers[vx as usize];
@ -386,13 +386,13 @@ where
}
}
ProcessorInstruction::GetKeyBlocking(_vx) => {
todo!("must implement")
//todo!("must implement")
}
ProcessorInstruction::SkipIfKeyIsPressed(_vx) => {
todo!("must implement")
//todo!("must implement")
}
ProcessorInstruction::SkipIfKeyIsNotPressed(_vx) => {
todo!("must implement")
//todo!("must implement")
}
_ => {
warn!("Unknown instruction: {:04x}, skipping.", instruction);