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// Copyright 2021-2024 Gabriel Bjørnager Jensen.
//
// This file is part of Pollex.
//
// Pollex is free software: you can redistribute it
// and/or modify it under the terms of the GNU Af-
// fero General Public License as published by the
// Free Software Foundation, either version 3 of
// the License, or (at your option) any later ver-
// sion.
//
// Pollex is distributed in the hope that it will
// be useful, but WITHOUT ANY WARRANTY; without
// even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Affero General Public License for more details.
//
// You should have received a copy of the GNU Af-
// fero General Public License along with Pollex.
// If not, see <https://www.gnu.org/licenses/>.
use core::fmt::Display;
#[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd)]
#[repr(u8)]
pub enum Register {
R0 = 0x00,
R1 = 0x01,
R2 = 0x02,
R3 = 0x03,
R4 = 0x04,
R5 = 0x05,
R6 = 0x06,
R7 = 0x07,
R8 = 0x08,
Sb = 0x09, // R9
Sl = 0x0A, // R10
R11 = 0x0B,
Ip = 0x0C, // R12
Sp = 0x0D, // R13
Lr = 0x0E, // R14
Pc = 0x0F, // R15
}
impl Display for Register {
fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
use Register::*;
match *self {
R0 => write!(f, "r0"),
R1 => write!(f, "r1"),
R2 => write!(f, "r2"),
R3 => write!(f, "r3"),
R4 => write!(f, "r4"),
R5 => write!(f, "r5"),
R6 => write!(f, "r6"),
R7 => write!(f, "r7"),
R8 => write!(f, "r8"),
Sb => write!(f, "sb"),
Sl => write!(f, "sl"),
R11 => write!(f, "r11"),
Ip => write!(f, "ip"),
Sp => write!(f, "sp"),
Lr => write!(f, "lr"),
Pc => write!(f, "pc"),
}
}
}
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