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Returning to the memory map above, our custom ROM will need one of these pairs of bytes patching to the addresses in Slot 0 which the Vision ROM will occupy: &0A and &0B, as seen in the manifest below. The DORs of each application were updated in a similar fashion.
Downgrade ROM Manifest
| Code Block | ||
|---|---|---|
| ||
CFG.V3 ; OZ ROM for slot 0 and total of 16 banks to update. OZ.0,16 ; Bank file, CRC, destination bank in slot 0. "ozs0-400.32",$9de67a39,$00 "ozs0-400.33",$1d32d297,$01 "ozs0-400.34",$65ed5623,$02 "ozs0-400.35",$e2e022c6,$03 "ozs0-400.36",$8758704a,$04 "ozs0-400.37",$b860cf23,$05 "ozs0-400.38",$d3104e3f,$06 "ozs0-400.39",$5c5de229,$07 "flashst-197.40",$88ce8262,$08 "zip-xymodem.41",$83cf1ae5,$09 "vision2-206.42",$fd18a731,$0a "vision2-206.43",$71ee7ae3,$0b "file-area.44",$1ec9d2c1,$0c "file-area.45",$6666ce43,$0d "file-area.46",$420c789c,$0e "ozs0-400.63",$3d6adf54,$1f |
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