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chore: add _debug_log function to cpu.rs

This commit is contained in:
Rekai Nyangadzayi Musuka 2021-07-12 21:08:38 -05:00
parent 44b605970f
commit afdfcfce2c
1 changed files with 20 additions and 3 deletions
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23
src/cpu.rs
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@ -363,6 +363,25 @@ impl Cpu {
} }
impl Cpu { impl Cpu {
fn _debug_log(&self, mut w: impl std::io::Write, instr: &Instruction) -> std::io::Result<()> {
write!(w, "A: {:02X} ", self.reg.a)?;
write!(w, "F: {:02X} ", u8::from(self.flags))?;
write!(w, "B: {:02X} ", self.reg.b)?;
write!(w, "C: {:02X} ", self.reg.c)?;
write!(w, "D: {:02X} ", self.reg.d)?;
write!(w, "E: {:02X} ", self.reg.e)?;
write!(w, "H: {:02X} ", self.reg.h)?;
write!(w, "L: {:02X} ", self.reg.l)?;
write!(w, "SP: {:04X} ", self.reg.sp)?;
write!(w, "PC: 00:{:04X} ", self.reg.pc)?;
write!(w, "({:02X} ", self.read_byte(self.reg.pc))?;
write!(w, "{:02X} ", self.read_byte(self.reg.pc + 1))?;
write!(w, "{:02X} ", self.read_byte(self.reg.pc + 2))?;
write!(w, "{:02X}) ", self.read_byte(self.reg.pc + 3))?;
writeln!(w, "| {:?}", instr)?;
w.flush()
}
fn _log_state(&self, mut writer: impl std::io::Write) -> std::io::Result<()> { fn _log_state(&self, mut writer: impl std::io::Write) -> std::io::Result<()> {
write!(writer, "A: {:02X} ", self.reg.a)?; write!(writer, "A: {:02X} ", self.reg.a)?;
write!(writer, "F: {:02X} ", u8::from(self.flags))?; write!(writer, "F: {:02X} ", u8::from(self.flags))?;
@ -378,9 +397,7 @@ impl Cpu {
write!(writer, "{:02X} ", self.read_byte(self.reg.pc + 1))?; write!(writer, "{:02X} ", self.read_byte(self.reg.pc + 1))?;
write!(writer, "{:02X} ", self.read_byte(self.reg.pc + 2))?; write!(writer, "{:02X} ", self.read_byte(self.reg.pc + 2))?;
writeln!(writer, "{:02X})", self.read_byte(self.reg.pc + 3))?; writeln!(writer, "{:02X})", self.read_byte(self.reg.pc + 3))?;
writer.flush()?; writer.flush()
Ok(())
} }
} }