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Fix build for latest rustc

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This commit is contained in:
Matthias Endler 2017-10-08 17:27:53 +02:00 committed by GitHub
commit 5b57497ea4
9 changed files with 1349 additions and 1105 deletions
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1
AUTHORS.txt
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@ -3,3 +3,4 @@
Alex Weisberger <alex.m.weisberger@gmail.com>
Andrew Keeton <andrewrkeeton@gmail.com>
Johannes Muenzel <jmuenzel@gmail.com>
Matthias Endler <matthias-endler@gmx.net>

5
Cargo.toml
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@ -39,5 +39,6 @@ name = "emu6502"
name = "emu6502"
[dependencies]
log = "0.2.3"
bitflags = "0.9.1"
log = "0.3.8"
num = "0.1"

10
src/address.rs
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@ -25,16 +25,15 @@
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
use std::num::Int;
use std::ops::Add;
// The idea here is that it doesn't make sense to add two addresses, but it
// does make sense to add an address and an "address-difference". (If this
// is too annoying to work with we should let it go.)
#[derive(Copy, PartialEq, Eq, PartialOrd, Ord, Debug)]
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
pub struct AddressDiff(pub i32);
#[derive(Copy, PartialEq, Eq, PartialOrd, Ord, Debug)]
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
pub struct Address(pub u16);
impl Add<AddressDiff> for Address {
@ -57,7 +56,7 @@ impl Add for AddressDiff {
}
}
#[derive(Copy, PartialEq, Eq, PartialOrd, Ord)]
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
pub struct CheckedAddressDiff(u16);
impl Add<CheckedAddressDiff> for Address {
@ -77,7 +76,7 @@ impl Add<CheckedAddressDiff> for Address {
impl Address {
pub fn to_u16(&self) -> u16 {
match *self {
Address(address_) => address_
Address(address_) => address_,
}
}
@ -93,4 +92,3 @@ impl Address {
(self.to_u16() & 0x00ff) as u8
}
}

978
src/instruction.rs
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File diff suppressed because it is too large Load Diff

9
src/lib.rs
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@ -25,20 +25,17 @@
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#![feature(core)]
#![feature(hash)]
#![feature(rustc_private)]
// Needed for debug! / log! macros
#[macro_use]
extern crate log;
extern crate num;
#[macro_use]
extern crate rustc_bitflags;
extern crate bitflags;
pub mod address;
pub mod instruction;
pub mod machine;
pub mod memory;
pub mod range_incl;
pub mod registers;

1274
src/machine.rs
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File diff suppressed because it is too large Load Diff

24
src/memory.rs
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@ -29,7 +29,7 @@ use address::{Address, AddressDiff};
// JAM: We can probably come up with a better way to represent address ranges.
// Address range type?
//
//
// // Address range -- inclusive on both sides
// pub struct AddressRangeIncl {
// begin: Address,
@ -39,19 +39,25 @@ use address::{Address, AddressDiff};
const ADDR_LO_BARE: u16 = 0x0000;
const ADDR_HI_BARE: u16 = 0xFFFF;
pub const MEMORY_ADDRESS_LO: Address = Address(ADDR_LO_BARE);
pub const MEMORY_ADDRESS_HI: Address = Address(ADDR_HI_BARE);
pub const STACK_ADDRESS_LO: Address = Address(0x0100);
pub const STACK_ADDRESS_HI: Address = Address(0x01FF);
pub const MEMORY_ADDRESS_LO: Address = Address(ADDR_LO_BARE);
pub const MEMORY_ADDRESS_HI: Address = Address(ADDR_HI_BARE);
pub const STACK_ADDRESS_LO: Address = Address(0x0100);
pub const STACK_ADDRESS_HI: Address = Address(0x01FF);
pub const IRQ_INTERRUPT_VECTOR_LO: Address = Address(0xFFFE);
pub const IRQ_INTERRUPT_VECTOR_HI: Address = Address(0xFFFF);
const MEMORY_SIZE: usize = (ADDR_HI_BARE - ADDR_LO_BARE) as usize + 1us;
const MEMORY_SIZE: usize = (ADDR_HI_BARE - ADDR_LO_BARE) as usize + 1usize;
// FIXME: Should this use indirection for `bytes`?
#[derive(Copy)]
pub struct Memory {
bytes: [u8; MEMORY_SIZE]
bytes: [u8; MEMORY_SIZE],
}
impl Clone for Memory {
fn clone(&self) -> Self {
*self
}
}
impl Memory {
@ -67,8 +73,7 @@ impl Memory {
&mut self.bytes[address.to_usize()]
}
pub fn get_slice(&self, Address(start): Address,
AddressDiff(diff): AddressDiff) -> &[u8] {
pub fn get_slice(&self, Address(start): Address, AddressDiff(diff): AddressDiff) -> &[u8] {
let start = start as usize;
let diff = diff as usize;
let end = start + diff;
@ -100,4 +105,3 @@ impl Memory {
STACK_ADDRESS_LO <= *address && *address <= STACK_ADDRESS_HI
}
}

34
src/range_incl.rs
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@ -1,34 +0,0 @@
use std::num::Int;
pub struct RangeIncl<T: Int> {
state: Option<T>,
end: T,
}
pub fn range_incl<T: Int>(begin: T, end: T) -> RangeIncl<T> {
RangeIncl { state: Some(begin), end: end }
}
trait One : Int {
fn my_one(_: Option<Self>) -> Self {
Int::one()
}
}
impl<T> One for T where T: Int {}
impl<T: Int> Iterator for RangeIncl<T> {
type Item = T;
fn next(&mut self) -> Option<<Self as Iterator>::Item> {
match self.state {
Some(current) => {
self.state =
if current == self.end { None }
else { Some(current + One::my_one(None::<T>)) };
Some(current)
},
None => {
None
}
}
}
}

119
src/registers.rs
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@ -29,7 +29,7 @@ use address::{Address, AddressDiff};
use memory::{STACK_ADDRESS_LO, STACK_ADDRESS_HI};
// Useful for constructing Status instances
#[derive(Copy)]
#[derive(Copy, Clone)]
pub struct StatusArgs {
pub negative: bool,
pub overflow: bool,
@ -43,31 +43,32 @@ pub struct StatusArgs {
impl StatusArgs {
pub fn none() -> StatusArgs {
StatusArgs { negative: false,
overflow: false,
unused: false,
brk: false,
decimal_mode: false,
disable_interrupts: false,
zero: false,
carry: false, }
StatusArgs {
negative: false,
overflow: false,
unused: false,
brk: false,
decimal_mode: false,
disable_interrupts: false,
zero: false,
carry: false,
}
}
}
pub bitflags! {
#[derive(Debug)]
flags Status: u8 {
const PS_NEGATIVE = 0b10000000,
const PS_OVERFLOW = 0b01000000,
const PS_UNUSED = 0b00100000, // JAM: Should this exist?
bitflags! {
pub struct Status: u8 {
const PS_NEGATIVE = 0b10000000;
const PS_OVERFLOW = 0b01000000;
const PS_UNUSED = 0b00100000; // JAM: Should this exist?
// (note that it affects the
// behavior of things like
// from_bits_truncate)
const PS_BRK = 0b00010000,
const PS_DECIMAL_MODE = 0b00001000,
const PS_DISABLE_INTERRUPTS = 0b00000100,
const PS_ZERO = 0b00000010,
const PS_CARRY = 0b00000001,
const PS_BRK = 0b00010000;
const PS_DECIMAL_MODE = 0b00001000;
const PS_DISABLE_INTERRUPTS = 0b00000100;
const PS_ZERO = 0b00000010;
const PS_CARRY = 0b00000001;
}
}
@ -75,14 +76,16 @@ impl Status {
pub fn default() -> Status {
// TODO akeeton: Revisit these defaults.
Status::new(StatusArgs { negative: false,
overflow: false,
unused: true,
brk: false,
decimal_mode: false,
disable_interrupts: true,
zero: false,
carry: false, } )
Status::new(StatusArgs {
negative: false,
overflow: false,
unused: true,
brk: false,
decimal_mode: false,
disable_interrupts: true,
zero: false,
carry: false,
})
}
pub fn new(StatusArgs { negative,
@ -96,14 +99,30 @@ impl Status {
{
let mut out = Status::empty();
if negative { out = out | PS_NEGATIVE }
if overflow { out = out | PS_OVERFLOW }
if unused { out = out | PS_UNUSED }
if brk { out = out | PS_BRK }
if decimal_mode { out = out | PS_DECIMAL_MODE }
if disable_interrupts { out = out | PS_DISABLE_INTERRUPTS }
if zero { out = out | PS_ZERO }
if carry { out = out | PS_CARRY }
if negative {
out = out | PS_NEGATIVE
}
if overflow {
out = out | PS_OVERFLOW
}
if unused {
out = out | PS_UNUSED
}
if brk {
out = out | PS_BRK
}
if decimal_mode {
out = out | PS_DECIMAL_MODE
}
if disable_interrupts {
out = out | PS_DISABLE_INTERRUPTS
}
if zero {
out = out | PS_ZERO
}
if carry {
out = out | PS_CARRY
}
out
}
@ -121,12 +140,11 @@ impl Status {
}
}
#[derive(Copy, PartialEq, Eq, PartialOrd, Ord, Debug)]
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
pub struct StackPointer(pub u8);
impl StackPointer {
pub fn to_address(&self) -> Address
{
pub fn to_address(&self) -> Address {
let StackPointer(sp) = *self;
STACK_ADDRESS_LO + AddressDiff(sp as i32)
}
@ -144,27 +162,26 @@ impl StackPointer {
}
}
#[derive(Copy, PartialEq, Eq, Debug)]
#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub struct Registers {
pub accumulator: i8,
pub index_x: i8,
pub index_y: i8,
pub stack_pointer: StackPointer,
pub accumulator: i8,
pub index_x: i8,
pub index_y: i8,
pub stack_pointer: StackPointer,
pub program_counter: Address,
pub status: Status
pub status: Status,
}
impl Registers {
pub fn new() -> Registers {
// TODO akeeton: Revisit these defaults.
Registers {
accumulator: 0,
index_x: 0,
index_y: 0,
stack_pointer: StackPointer(STACK_ADDRESS_HI.get_offset()),
accumulator: 0,
index_x: 0,
index_y: 0,
stack_pointer: StackPointer(STACK_ADDRESS_HI.get_offset()),
program_counter: Address(0),
status: Status::default()
status: Status::default(),
}
}
}