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new example

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This commit is contained in:
GooseDB 2019-10-13 00:07:53 +03:00
parent 587fa91bae
commit 8c70df142c
2 changed files with 50 additions and 38 deletions
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47
examples/euclidean_algo.rs Normal file
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@ -0,0 +1,47 @@
extern crate mos6502;
use mos6502::address::Address;
use mos6502::cpu;
fn main() {
let mut input = String::new();
std::io::stdin().read_line(&mut input).unwrap();
let nums = input
.trim()
.split(' ')
.map(|s| s.parse::<u8>().unwrap())
.collect::<Vec<u8>>();
let (first, second) = (nums[0], nums[1]);
let zero_page_data = [first, second];
let program = [
// (F)irst | (S)econd
// .algo
0xa5, 0x00, // Load from F to A
// .algo_
0x38, // Set carry flag
0xe5, 0x01, // Substract S from number in A (from F)
0xf0, 0x07, // Jump to .end if diff is zero
0x30, 0x08, // Jump to .swap if diff is negative
0x85, 0x00, // Load A to F
0x4c, 0x12, 0x00, // Jump to .algo_
// .end
0xa5, 0x00, // Load from S to A
0xff,
// .swap
0xa6, 0x00, // load F to X
0xa4, 0x01, // load S to Y
0x86, 0x01, // Store X to F
0x84, 0x00, // Store Y to S
0x4c, 0x10, 0x00, // Jump to .algo
];
let mut cpu = cpu::CPU::new();
cpu.memory.set_bytes(Address(0x00), &zero_page_data);
cpu.memory.set_bytes(Address(0x10), &program);
cpu.registers.program_counter = Address(0x10);
cpu.run();
println!("GCD is {:?}", cpu.registers.accumulator);
}

39
src/bin/mos6502.rs → examples/mos6502.rs
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@ -1,45 +1,11 @@
// Copyright (C) 2014 The 6502-rs Developers
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. Neither the names of the copyright holders nor the names of any
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
extern crate mos6502;
#[cfg(not(test))]
use mos6502::cpu;
#[cfg(not(test))]
use mos6502::address::Address;
#[cfg(not(test))]
fn main() {
let mut cpu = cpu::CPU::new();
// "Load" a program
let zero_page_data = [
// ZeroPage data start
0x00,
@ -98,7 +64,7 @@ fn main() {
0xFF, // Something invalid -- the end!
];
let data = [
let data: [u8; 25] = [
0x00,
0x09, // ADC Absolute target
0x00,
@ -126,6 +92,7 @@ fn main() {
0x06, // ADC IndirectIndexedY target
];
// "Load" a program
cpu.memory.set_bytes(Address(0x0000), &zero_page_data);
cpu.memory.set_bytes(Address(0x4000), &program);
cpu.memory.set_bytes(Address(0x8000), &data);
@ -133,6 +100,4 @@ fn main() {
cpu.registers.program_counter = Address(0x4000);
cpu.run();
println!("{:?}", cpu);
}