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/*
Copyright 2021-2023 Gabriel Jensen.
This file is part of Luma.
Luma is free software: you can redistribute it
and/or modify it under the terms of the GNU
Affero register Public License as published by
the Free Software Foundation, either version 3
of the License, or (at your option) any later
version.
Luma 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 register Public License for more details.
You should have received a copy of the GNU
Affero register Public License along with Luma.
If not, see <https://www.gnu.org/licenses/>.
*/
use crate::log;
use crate::MEMORY_LENGTH;
use crate::cpu_mode::CpuMode;
use crate::state::State;
use std::ptr::null_mut;
impl State {
#[must_use]
pub fn new() -> Self {
log!("initialising new state");
let banks = Box::new([DEFAULT_REGISTER_VALUES; 0x6]);
let cpsr = 0b00000000000000000000000000011111;
let memory: Vec::<u32> = vec![0x0; MEMORY_LENGTH as usize / 0x4];
let mut state = Self {
registers: [null_mut(); 0x10],
banks: banks,
cpsr: cpsr,
spsr: [0b00000000000000000000000000000000; 0x6],
memory: memory,
};
state.bank(CpuMode::System);
return state;
}
}
const DEFAULT_REGISTER_VALUES: [u32; 0x10] = [
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000000,
0x00000008,
];
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