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Start the pong example for the book

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GBA bot 2022-01-01 22:37:39 +00:00
parent dcba19ed73
commit a363dfc757
7 changed files with 266 additions and 0 deletions
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10
book/games/pong/.cargo/config.toml Normal file
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[unstable]
build-std = ["core", "alloc"]
build-std-features = ["compiler-builtins-mem"]
[build]
target = "thumbv4t-none-eabi"
[target.thumbv4t-none-eabi]
rustflags = ["-Clink-arg=-Tgba.ld"]
runner = "mgba-qt"

1
book/games/pong/.gitignore vendored Normal file
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target

14
book/games/pong/Cargo.toml Normal file
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[package]
name = "agb_template"
version = "0.1.0"
authors = [""]
edition = "2018"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
agb = "0.8.0"
[profile.release]
panic = "abort"
lto = true

109
book/games/pong/gba.ld Normal file
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OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(__start)
EXTERN(__RUST_INTERRUPT_HANDLER)
MEMORY {
ewram (w!x) : ORIGIN = 0x02000000, LENGTH = 256K
iwram (w!x) : ORIGIN = 0x03000000, LENGTH = 32K
rom (rx) : ORIGIN = 0x08000000, LENGTH = 32M
}
__text_start = ORIGIN(rom);
SECTIONS {
. = __text_start;
.crt0 : {
KEEP (crt0.o(.text));
. = ALIGN(4);
} > rom
.text : {
*(.text .text*);
. = ALIGN(4);
} > rom
__text_end = .;
.rodata : {
*(.rodata .rodata.*);
. = ALIGN(4);
} > rom
__iwram_rom_start = .;
.iwram : {
__iwram_data_start = ABSOLUTE(.);
*(.iwram .iwram.*);
. = ALIGN(4);
*(.text_iwram .text_iwram.*);
. = ALIGN(4);
__iwram_data_end = ABSOLUTE(.);
} > iwram AT>rom
. = __iwram_rom_start + (__iwram_data_end - __iwram_data_start);
__ewram_rom_start = .;
.ewram : {
__ewram_data_start = ABSOLUTE(.);
*(.ewram .ewram.*);
. = ALIGN(4);
*(.data .data.*);
. = ALIGN(4);
__ewram_data_end = ABSOLUTE(.);
} > ewram AT>rom
.bss : {
*(.bss .bss.*);
. = ALIGN(4);
} > iwram
__iwram_rom_length_bytes = __iwram_data_end - __iwram_data_start;
__iwram_rom_length_halfwords = (__iwram_rom_length_bytes + 1) / 2;
__ewram_rom_length_bytes = __ewram_data_end - __ewram_data_start;
__ewram_rom_length_halfwords = (__ewram_rom_length_bytes + 1) / 2;
/* debugging sections */
/* Stabs */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
.debug_ranges 0 : { *(.debug_ranges) }
/* discard anything not already mentioned */
/DISCARD/ : { *(*) }
}

108
book/games/pong/gba_mb.ld Normal file
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OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(__start)
EXTERN(__RUST_INTERRUPT_HANDLER)
MEMORY {
ewram (w!x) : ORIGIN = 0x02000000, LENGTH = 256K
iwram (w!x) : ORIGIN = 0x03000000, LENGTH = 32K
}
__text_start = ORIGIN(ewram);
SECTIONS {
. = __text_start;
.crt0 : {
KEEP (crt0.o(.text));
. = ALIGN(4);
} > ewram
.text : {
*(.text .text*);
. = ALIGN(4);
} > ewram
__text_end = .;
.rodata : {
*(.rodata .rodata.*);
. = ALIGN(4);
} > ewram
__iwram_rom_start = .;
.iwram : {
__iwram_data_start = ABSOLUTE(.);
*(.iwram .iwram.*);
. = ALIGN(4);
*(.text_iwram .text_iwram.*);
. = ALIGN(4);
__iwram_data_end = ABSOLUTE(.);
} > iwram AT>ewram
. = __iwram_rom_start + (__iwram_data_end - __iwram_data_start);
__ewram_rom_start = .;
.ewram : {
__ewram_data_start = ABSOLUTE(.);
*(.ewram .ewram.*);
. = ALIGN(4);
*(.data .data.*);
. = ALIGN(4);
__ewram_data_end = ABSOLUTE(.);
} > ewram AT>ewram
.bss : {
*(.bss .bss.*);
. = ALIGN(4);
} > iwram
__iwram_rom_length_bytes = __iwram_data_end - __iwram_data_start;
__iwram_rom_length_halfwords = (__iwram_rom_length_bytes + 1) / 2;
__ewram_rom_length_bytes = __ewram_data_end - __ewram_data_start;
__ewram_rom_length_halfwords = (__ewram_rom_length_bytes + 1) / 2;
/* debugging sections */
/* Stabs */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }
.stab.exclstr 0 : { *(.stab.exclstr) }
.stab.index 0 : { *(.stab.index) }
.stab.indexstr 0 : { *(.stab.indexstr) }
.comment 0 : { *(.comment) }
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
.debug_ranges 0 : { *(.debug_ranges) }
/* discard anything not already mentioned */
/DISCARD/ : { *(*) }
}

3
book/games/pong/rust-toolchain.toml Normal file
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[toolchain]
channel = "nightly"
components = ["rust-src", "clippy"]

21
book/games/pong/src/main.rs Normal file
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#![no_std]
#![no_main]
extern crate agb;
use agb::{display, syscall};
#[agb::entry]
fn main() -> ! {
let mut gba = agb::Gba::new();
let mut bitmap = gba.display.video.bitmap3();
for x in 0..display::WIDTH {
let y = syscall::sqrt(x << 6);
let y = (display::HEIGHT - y).clamp(0, display::HEIGHT - 1);
bitmap.draw_point(x, y, 0x001F);
}
loop {
syscall::halt();
}
}