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file.rom test no longer crashes the emulator

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JJ Bliss
2026-05-06 19:55:47 -04:00
parent 116ca2a1b7
commit 70430dc828
1 changed files with 24 additions and 5 deletions
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uxn/file.ha
+24 -5
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@@ -134,8 +134,20 @@ fn filestat_to_addr(fi: u8, state: *uxn) void = {
case =>
fmt::fatal("Bad String encoding in filename");
};
const stat = os::fstat(state.files[fi].file: io::file)!;
const fsize = stat.sz: u32;
const fstat = match(os::fstat(state.files[fi].file: io::file)){
case let fstat: fs::filestat =>
yield fstat;
case let err: fs::error =>
yield void;
};
const fsize = match(fstat){
case let stat: fs::filestat =>
yield stat.sz: u32;
case =>
yield 0: u32;
};
const modestring = if(fsize <= 0xFFFF){
yield fmt::asprintf("{:x.4}",fsize)!;
}else {
@@ -218,16 +230,23 @@ fn filestat_to_addr(fi: u8, state: *uxn) void = {
};
return;
};
fn write_file_from_addr(fi: u8,state: *uxn) void = {
const length = if(fi == 0) { yield short_from_bytes(state.dev[0xaa],state.dev[0xab]); }
else { yield short_from_bytes(state.dev[0xba],state.dev[0xbb]); };
const srcaddr = if(fi == 0) { yield short_from_bytes(state.dev[0xae],state.dev[0xaf]); }
else { yield short_from_bytes(state.dev[0xbe],state.dev[0xbf]); };
const endaddr = srcaddr + length;
let endaddr = srcaddr + length;
const appendf: bool = if(fi == 0) { yield state.dev[0xa7] != 0; }
else { yield state.dev[0xb7] != 0; };
fmt::printfln("Writing {} bytes from 0x{:x}", length, srcaddr)!;
const bytes: []u8 = state.ram[srcaddr..endaddr];
// fmt::printfln("Writing {} bytes from 0x{:x}", length, srcaddr)!;
fmt::printfln("Writing {} bytes from 0x{:x} to 0x{:x}", endaddr-srcaddr, srcaddr,endaddr)!;
// const bytes: []u8 = state.ram[srcaddr..endaddr];
const bytes: []u8 = if(endaddr < srcaddr){
yield state.ram[srcaddr..];
} else {
yield state.ram[srcaddr..endaddr];
};
let byteswritten: u16 = 0;
if(!state.files[fi].exists){