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Add game 2048

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This commit is contained in:
Julien THILLARD
2025-11-28 13:04:03 +01:00
parent da6e1ea7b0
commit 6190053330
11 changed files with 393 additions and 77 deletions
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27
bench/programs_rust/fpga-lib/src/interface.rs
View File

@@ -1,28 +1,21 @@
pub struct Buttons {}
impl Buttons
{
pub unsafe fn get_button(button_id: u8) -> bool
{
unsafe { *LED_IP_ADDRESS >> (button_id) & 0b1 == 0b1 }
impl Buttons {
pub unsafe fn get_button(button_id: u8) -> bool {
unsafe { ((*LED_IP_ADDRESS) >> button_id) & 0b1 == 0b1 }
}
}
pub struct Leds {}
impl Leds
{
pub unsafe fn set_led(led_id: u8, state: bool)
{
if state
{
unsafe { *LED_IP_ADDRESS |= (state as u32) << (led_id + 4) }
}
else
{
unsafe { *LED_IP_ADDRESS &= !((state as u32) << (led_id + 4)) }
impl Leds {
pub unsafe fn set_led(led_id: u8, state: bool) {
if state {
unsafe { *LED_IP_ADDRESS |= (state as u64) << (led_id + 4) }
} else {
unsafe { *LED_IP_ADDRESS &= !((state as u64) << (led_id + 4)) }
}
}
}
pub const LED_IP_ADDRESS: *mut u32 = 0x30000000 as *mut u32;
pub const LED_IP_ADDRESS: *mut u64 = 0x30000000 as *mut u64;

9
bench/programs_rust/fpga-lib/src/lib.rs
View File

@@ -8,10 +8,11 @@ pub mod vga;
macro_rules! panic_handler {
() => {
#[panic_handler]
fn panic(_info: &core::panic::PanicInfo) -> !
{
loop
{}
fn panic(_info: &core::panic::PanicInfo) -> ! {
unsafe {
$crate::vga::VGA::draw_string(0, 0, "PANIC !", $crate::vga::WHITE);
}
loop {}
}
};
}

80
bench/programs_rust/fpga-lib/src/vga.rs
View File

@@ -1,3 +1,5 @@
use core::ptr::write_bytes;
use fpga_lib_macros::include_font_plate;
pub const VGA_ADDRESS: *mut Color = 0x80000000 as *mut Color;
@@ -8,10 +10,8 @@ pub const HEIGHT: usize = 240;
#[derive(Clone, Copy)]
pub struct Color(pub(crate) u8);
impl Color
{
pub const fn from_rgb(r: u8, g: u8, b: u8) -> Self
{
impl Color {
pub const fn from_rgb(r: u8, g: u8, b: u8) -> Self {
Self(((r >> 6) << 6) | ((g >> 5) << 3) | (b >> 5))
}
}
@@ -26,12 +26,10 @@ pub const BLUE: Color = Color::from_rgb(0, 0, 255);
pub struct VGA {}
impl VGA
{
impl VGA {
/// # Safety
/// `x` must be less than `WIDTH` and `y` must be less than `HEIGHT`
pub unsafe fn write_pixel_unsafe(x: u16, y: u16, color: Color)
{
pub unsafe fn write_pixel_unsafe(x: u16, y: u16, color: Color) {
let pixel_index = x as usize + y as usize * WIDTH;
let word_index = pixel_index / 4; // Get index of the word in which the pixel is
let byte_index = pixel_index % 4; // Get index of the byte within the word for the pixel
@@ -41,14 +39,10 @@ impl VGA
/// # Safety
/// `x` must be less than `WIDTH` and `y` must be less than `HEIGHT`
pub unsafe fn draw_char(x: u16, y: u16, c: char, color: Color)
{
let c = if (c as u8 > b'~') || ((c as u8) < b' ')
{
pub unsafe fn draw_char(x: u16, y: u16, c: char, color: Color) {
let c = if (c as u8 > b'~') || ((c as u8) < b' ') {
b'/' - b' '
}
else
{
} else {
c as u8 - b' '
};
@@ -56,10 +50,8 @@ impl VGA
let char_x = (c as usize % 32) * FONT_WIDTH;
let char_y = (c as usize / 32) * FONT_HEIGHT;
for i in 0..(FONT_WIDTH as u16)
{
for j in 0..(FONT_HEIGHT as u16)
{
for i in 0..(FONT_WIDTH as u16) {
for j in 0..(FONT_HEIGHT as u16) {
let xx = x + i;
let yy = y + j;
@@ -73,14 +65,10 @@ impl VGA
}
}
pub unsafe fn draw_char_bg(x: u16, y: u16, c: char, color: Color, bg_color: Color)
{
let c = if (c as u8 > b'~') || ((c as u8) < b' ')
{
pub unsafe fn draw_char_bg(x: u16, y: u16, c: char, color: Color, bg_color: Color) {
let c = if (c as u8 > b'~') || ((c as u8) < b' ') {
b'/' - b' '
}
else
{
} else {
c as u8 - b' '
};
@@ -88,21 +76,15 @@ impl VGA
let char_x = (c as usize % 32) * FONT_WIDTH;
let char_y = (c as usize / 32) * FONT_HEIGHT;
for i in 0..(FONT_WIDTH as u16)
{
for j in 0..(FONT_HEIGHT as u16)
{
for i in 0..(FONT_WIDTH as u16) {
for j in 0..(FONT_HEIGHT as u16) {
let xx = x + i;
let yy = y + j;
if xx < (WIDTH as u16) && yy < (HEIGHT as u16)
{
if unsafe { Self::font_plate_index(char_x as u16 + i, char_y as u16 + j) }
{
if xx < (WIDTH as u16) && yy < (HEIGHT as u16) {
if unsafe { Self::font_plate_index(char_x as u16 + i, char_y as u16 + j) } {
unsafe { Self::write_pixel_unsafe(xx, yy, color) }
}
else
{
} else {
unsafe { Self::write_pixel_unsafe(xx, yy, bg_color) }
}
}
@@ -112,18 +94,18 @@ impl VGA
/// # Safety
/// The text must have a length that can fit within a `u16`
pub unsafe fn draw_string(x: u16, y: u16, str: &str, color: Color)
{
pub unsafe fn draw_string(x: u16, y: u16, str: &str, color: Color) {
str.chars().enumerate().for_each(|(i, c)| unsafe {
Self::draw_char(x + i as u16 * (FONT_WIDTH as u16), y, c as char, color)
});
}
pub fn clear_screen(color: Color) {
unsafe { write_bytes(VGA_ADDRESS, color.0, WIDTH * HEIGHT) };
}
fn digit_count(mut val: u64) -> u64
{
fn digit_count(mut val: u64) -> u64 {
let mut i = 0;
while val != 0
{
while val != 0 {
val /= 10;
i += 1;
}
@@ -131,17 +113,14 @@ impl VGA
i
}
pub unsafe fn draw_u64(x: u16, y: u16, mut val: u64, color: Color, bg_color: Color)
{
if val == 0
{
pub unsafe fn draw_u64(x: u16, y: u16, mut val: u64, color: Color, bg_color: Color) {
if val == 0 {
unsafe { Self::draw_char_bg(x, y, '0', color, bg_color) }
return;
}
let digit_count = Self::digit_count(val) - 1;
let mut i = digit_count as u16;
while val != 0
{
while val != 0 {
let digit = val % 10;
val /= 10;
@@ -160,8 +139,7 @@ impl VGA
}
}
unsafe fn font_plate_index(x: u16, y: u16) -> bool
{
unsafe fn font_plate_index(x: u16, y: u16) -> bool {
let pixel_index = (y as usize) * FONTPLATE_WIDTH + (x as usize);
let byte_index = pixel_index / 8;
let bit_index = pixel_index % 8;