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fixed MBR

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This commit is contained in:
IonutParau
2026-02-16 13:59:10 +01:00
parent 9b6cb0af7c
commit b69b424ebe
1 changed files with 3 additions and 2 deletions
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5
rewrite/minBIOS.lua
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@@ -47,8 +47,9 @@ local function getBootCode(addr)
-- Generic MBR bootcode -- Generic MBR bootcode
if firstSector:sub(-2, -1) == "\x55\xAA" then if firstSector:sub(-2, -1) == "\x55\xAA" then
local codeEnd = sectorSize - 66 local codeEnd = sectorSize - 66
local term = string.find(firstSector, "\0", 5, true) local codeSec = string.sub(firstSector, 1, codeEnd)
return load(string.sub(firstSector, 5, term and (term - 1) or codeEnd)) local term = string.find(codeSec, "\0", 5, true)
return load(string.sub(codeSec, 0, term and (term - 1) or -1))
end end
-- TODO: whatever else NC might be testing -- TODO: whatever else NC might be testing
local sectorsIn32K = math.ceil(32768 / sectorSize) local sectorsIn32K = math.ceil(32768 / sectorSize)