sawyer/picocalc-os-rs
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fixes from nes

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sawyer bristol
2025-11-17 08:10:03 -07:00
parent 691ef2b26b
commit 1c1000dfcb
19 changed files with 212 additions and 57 deletions
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23
abi_sys/src/lib.rs
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@@ -12,7 +12,7 @@ use strum::{EnumCount, EnumIter};
pub type EntryFn = fn();
pub const ABI_CALL_TABLE_COUNT: usize = 11;
pub const ABI_CALL_TABLE_COUNT: usize = 12;
const _: () = assert!(ABI_CALL_TABLE_COUNT == CallTable::COUNT);
#[derive(Clone, Copy, EnumIter, EnumCount)]
@@ -28,7 +28,8 @@ pub enum CallTable {
GenRand = 7,
ListDir = 8,
ReadFile = 9,
FileLen = 10,
WriteFile = 10,
FileLen = 11,
}
#[unsafe(no_mangle)]
@@ -438,6 +439,24 @@ pub extern "C" fn read_file(
}
}
pub type WriteFile =
extern "C" fn(str: *const u8, len: usize, write_from: usize, buf: *const u8, buf_len: usize);
#[unsafe(no_mangle)]
pub extern "C" fn write_file(
str: *const u8,
len: usize,
write_from: usize,
buf: *const u8,
buf_len: usize,
) {
unsafe {
let ptr = CALL_ABI_TABLE[CallTable::WriteFile as usize];
let f: WriteFile = core::mem::transmute(ptr);
f(str, len, write_from, buf, buf_len)
}
}
pub type FileLen = extern "C" fn(str: *const u8, len: usize) -> usize;
#[unsafe(no_mangle)]