diff options
Diffstat (limited to 'src/formats/raw.rs')
-rw-r--r-- | src/formats/raw.rs | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/formats/raw.rs b/src/formats/raw.rs new file mode 100644 index 0000000..ecc6473 --- /dev/null +++ b/src/formats/raw.rs @@ -0,0 +1,29 @@ +use crate::*; + + +pub fn format_raw(segments: &[Segment], width: Option<u32>) -> Result<Vec<u8>, FormatError> { + let Some(width) = width.or_else(|| calculate_fixed_width(&segments)) else { + return Err(FormatError::ExpectedFixedWidth); + }; + + let mut address = 0; + let bytes_per_word = ((width + 7) / 8) as usize; + let mut bytes = Vec::new(); + + for segment in segments { + // Pad to the segment start address. + let padding = segment.address.saturating_sub(address); + bytes.resize(bytes.len() + (padding * bytes_per_word), 0); + for word in &segment.words { + // Decompose word value into bytes. + let value = word.value.value; + for i in (0..bytes_per_word).rev() { + let byte = (value >> (i*8) & 0xff) as u8; + bytes.push(byte); + } + address += 1; + } + } + + return Ok(bytes); +} |