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Make changes to use no_std

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This commit is contained in:
Matthias Endler 2018-10-25 23:46:45 +02:00
parent d5e9281969
commit fe62834154
3 changed files with 9 additions and 13 deletions
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2
src/address.rs
View File

@ -25,7 +25,7 @@
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
use std::ops::Add;
use core::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

16
src/cpu.rs
View File

@ -25,15 +25,14 @@
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
use std;
use address::{Address, AddressDiff};
use instruction;
use instruction::{DecodedInstr, Instruction, OpInput};
use memory::Memory;
use registers::{Registers, StackPointer, Status, StatusArgs};
use registers::{PS_CARRY, PS_DECIMAL_MODE, PS_DISABLE_INTERRUPTS, PS_NEGATIVE, PS_OVERFLOW,
PS_ZERO};
use registers::{
PS_CARRY, PS_DECIMAL_MODE, PS_DISABLE_INTERRUPTS, PS_NEGATIVE, PS_OVERFLOW, PS_ZERO,
};
#[derive(Clone)]
pub struct CPU {
@ -758,8 +757,8 @@ impl CPU {
}
}
impl std::fmt::Debug for CPU {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
impl core::fmt::Debug for CPU {
fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
write!(
f,
"CPU Dump:\n\nAccumulator: {}",
@ -1171,7 +1170,6 @@ mod tests {
assert!(CPU.registers.status.contains(PS_CARRY));
assert!(!CPU.registers.status.contains(PS_NEGATIVE));
CPU.execute_instruction((load_instruction, OpInput::UseImmediate(127)));
compare(&mut CPU, 1);
@ -1179,7 +1177,6 @@ mod tests {
assert!(CPU.registers.status.contains(PS_CARRY));
assert!(!CPU.registers.status.contains(PS_NEGATIVE));
CPU.execute_instruction((load_instruction, OpInput::UseImmediate(1)));
compare(&mut CPU, 2);
@ -1187,7 +1184,6 @@ mod tests {
assert!(!CPU.registers.status.contains(PS_CARRY));
assert!(CPU.registers.status.contains(PS_NEGATIVE));
CPU.execute_instruction((load_instruction, OpInput::UseImmediate(20)));
compare(&mut CPU, -50i8 as u8);
@ -1195,7 +1191,6 @@ mod tests {
assert!(!CPU.registers.status.contains(PS_CARRY));
assert!(!CPU.registers.status.contains(PS_NEGATIVE));
CPU.execute_instruction((load_instruction, OpInput::UseImmediate(1)));
compare(&mut CPU, -1i8 as u8);
@ -1203,7 +1198,6 @@ mod tests {
assert!(!CPU.registers.status.contains(PS_CARRY));
assert!(!CPU.registers.status.contains(PS_NEGATIVE));
CPU.execute_instruction((load_instruction, OpInput::UseImmediate(127)));
compare(&mut CPU, -128i8 as u8);

4
src/lib.rs
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@ -25,6 +25,8 @@
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#![no_std]
// Needed for debug! / log! macros
#[macro_use]
extern crate log;
@ -35,7 +37,7 @@ extern crate num;
extern crate bitflags;
pub mod address;
pub mod instruction;
pub mod cpu;
pub mod instruction;
pub mod memory;
pub mod registers;