optromloader_1.2.0

Changes

• Add support for hardcoded target segment.
• Add handling of low conventional memory situation.
• Add limit on read retries.
• Add option ROM template (for developers).
• Fix: Don't trust ES handed by BIOS.
• Fix: Set SP immediately after SS.
• Floppy images are now generated by flat assembler, removing dd dependency.
• Improved text output to show more relevant information and use less lines.
• Code shortening.
• Better code comments.

To use the binary release, concatenate with your ROM and pad to floppy size, as per README.