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working with release mode
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parent
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4
Makefile
4
Makefile
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@ -20,12 +20,12 @@ out/release/%.gba: cargo-release-%
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d-%: out/debug/%.gba
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@OUTNAME=$(patsubst d-%,%,$@)
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@mgba-qt $<
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@mgba-qt -l 31 -d -C logToStdout=1 $<
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@rm -f out/debug/$${OUTNAME}.sav
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r-%: out/release/%.gba
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@OUTNAME=$(patsubst r-%,%,$@)
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@mgba-qt $<
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@mgba-qt -l 31 -d -C logToStdout=1 $<
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@rm -f out/release/$${OUTNAME}.sav
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cargo-release-%: $(RUSTFILES) out/crt0.o
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26
examples/output.rs
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26
examples/output.rs
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@ -0,0 +1,26 @@
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#![no_std]
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#![feature(start)]
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use gba::display::vblank;
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extern crate gba;
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#[start]
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fn main(_argc: isize, _argv: *const *const u8) -> isize {
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let mut gba = gba::Gba::new();
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let mut mgba = gba::mgba::Mgba::new().unwrap();
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let vblank = gba.display.vblank.get();
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let mut count = 0;
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loop {
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vblank.wait_for_VBlank();
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mgba.print(
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format_args!("Hello, world, frame = {}", count),
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gba::mgba::DebugLevel::Info,
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)
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.unwrap();
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count += 1;
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}
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}
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25
src/display/tiled0.rs
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25
src/display/tiled0.rs
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@ -0,0 +1,25 @@
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use crate::memory_mapped::MemoryMapped1DArray;
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use super::{set_graphics_mode, DisplayMode};
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const PALETTE_BACKGROUND: MemoryMapped1DArray<u16, 256> =
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unsafe { MemoryMapped1DArray::new(0x0500_0000) };
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const PALETTE_SPRITE: MemoryMapped1DArray<u16, 256> =
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unsafe { MemoryMapped1DArray::new(0x0500_0200) };
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#[non_exhaustive]
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pub struct Tiled0 {}
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impl Tiled0 {
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pub(crate) unsafe fn new() -> Self {
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set_graphics_mode(DisplayMode::Tiled0);
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Tiled0 {}
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}
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pub fn set_sprite_palette(&mut self, index: u8, colour: u16) {
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PALETTE_SPRITE.set(index as usize, colour)
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}
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pub fn set_background_palette(&mut self, index: u8, colour: u16) {
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PALETTE_BACKGROUND.set(index as usize, colour)
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}
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}
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@ -1,4 +1,4 @@
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use super::{bitmap3::Bitmap3, bitmap4::Bitmap4};
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use super::{bitmap3::Bitmap3, bitmap4::Bitmap4, tiled0::Tiled0};
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#[non_exhaustive]
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pub struct Video {}
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@ -13,4 +13,8 @@ impl Video {
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pub fn bitmap4(&mut self) -> Bitmap4 {
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unsafe { Bitmap4::new() }
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}
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pub fn tiled0(&mut self) -> Tiled0 {
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unsafe { Tiled0::new() }
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}
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}
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@ -8,7 +8,7 @@ pub mod input;
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mod interrupt;
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mod memory_mapped;
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mod mgba;
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pub mod mgba;
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mod single;
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pub mod syscall;
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29
src/mgba.rs
29
src/mgba.rs
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@ -1,7 +1,7 @@
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use crate::memory_mapped::MemoryMapped;
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use crate::memory_mapped::{MemoryMapped, MemoryMapped1DArray};
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use core::fmt::Write;
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#[derive(Eq, PartialEq, Clone, Copy)]
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#[repr(u16)]
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#[allow(dead_code)]
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pub enum DebugLevel {
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Fatal = 0,
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@ -11,8 +11,9 @@ pub enum DebugLevel {
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Debug = 4,
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}
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const OUTPUT: *mut u8 = 0x04FF_F600 as *mut u8;
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const ENABLE: MemoryMapped<u16> = unsafe { MemoryMapped::new(0x04FF_F780) };
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const OUTPUT_STRING: MemoryMapped1DArray<u8, 256> =
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unsafe { MemoryMapped1DArray::new(0x04FF_F600) };
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const DEBUG_ENABLE: MemoryMapped<u16> = unsafe { MemoryMapped::new(0x04FF_F780) };
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const ENABLE_HANDSHAKE_IN: u16 = 0xC0DE;
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const ENABLE_HANDSHAKE_OUT: u16 = 0x1DEA;
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@ -21,8 +22,8 @@ const DEBUG_LEVEL: MemoryMapped<u16> = unsafe { MemoryMapped::new(0x04FF_F700) }
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const DEBUG_FLAG_CODE: u16 = 0x0100;
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fn is_running_in_mgba() -> bool {
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ENABLE.set(ENABLE_HANDSHAKE_IN);
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ENABLE.get() == ENABLE_HANDSHAKE_OUT
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DEBUG_ENABLE.set(ENABLE_HANDSHAKE_IN);
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DEBUG_ENABLE.get() == ENABLE_HANDSHAKE_OUT
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}
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pub struct Mgba {
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@ -37,6 +38,16 @@ impl Mgba {
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None
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}
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}
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pub fn print(
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&mut self,
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output: core::fmt::Arguments,
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level: DebugLevel,
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) -> Result<(), core::fmt::Error> {
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write!(self, "{}", output)?;
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self.set_level(level);
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Ok(())
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}
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}
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impl Mgba {
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impl core::fmt::Write for Mgba {
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fn write_str(&mut self, s: &str) -> Result<(), core::fmt::Error> {
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unsafe {
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let mut current_location = OUTPUT.add(self.bytes_written);
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let mut str_iter = s.bytes();
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while self.bytes_written < 255 {
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match str_iter.next() {
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Some(byte) => {
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current_location.write(byte);
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current_location = current_location.offset(1);
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OUTPUT_STRING.set(self.bytes_written, byte);
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self.bytes_written += 1;
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}
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None => return Ok(()),
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}
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}
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}
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Ok(())
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}
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}
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