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Jase Williams 2025-02-02 05:30:04 -05:00
commit d9e65e92be
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50
BIOS.lua Normal file
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local AWEFS_version = "01"
local drive = component.list("drive", true)()
local eeprom = component.list("eeprom")()
component.invoke(eeprom, "setData", drive)
drive = component.proxy(drive)
local function readBytes(driveProxy,offset, count)
local buffer = ""
for i = 1, count do
local byte = math.abs(driveProxy.readByte(offset))
buffer = buffer .. utf8.char(byte)
offset = offset + 1
end
return buffer
end
local function tryLoad(driveProxy)
local signature = readBytes(driveProxy,1,8)
if signature ~= "AWEFS " then
return false, nil, "mismatched signature"
end
local version = readBytes(driveProxy,9,2)
if version ~= AWEFS_version then
return false, nil, "mismatched version"
end
local bootSec = readBytes(driveProxy,65,959)
local sn = readBytes(driveProxy,11,8)
bootSec = bootSec:gsub("%\0","")
local init, err = load(
bootSec, string.format("=%s",sn), "bt", _G)
return true,init,err,sn
end
local success,init,err, sn = tryLoad(drive)
if not success then
error(err)
end
if not init then
error("no bootable medium found :( " .. err)
end
return init(drive.address,sn,drive,readBytes)

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README.md Normal file
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# AWEfs
The Awesome Wonderful Entertaining File System
made for The Awesome Wonderful Operating System and AWEkernel
## Format version 1
### Header
#### Sector 1
Header and Boot sector - 512 Bytes - Offset 1
| Name | Size | Purpose |
|-----------------|------------|-------------------------------------------------------|
| Signature | 8 Bytes | Should be to "AWEFS " |
| Version | 2 Bytes | Set to version of AWEFS (right now 01) |
| Serial number | 8 Bytes | Anything (i.e TestDisk) |
| Reserved | 46 Bytes | Reserved |
| Boot sector | 448 Bytes | Lua code (offset 65) |
#### Sector 2
Boot sector - 512 Bytes - Offset 513
| Name | Size | Purpose |
|-----------------|------------|-------------------------------------------------------|
| Boot sector | 512 Bytes | Lua code, extends sector 1 |
#### Sector 3-5
Unmanaged data - 1.5 KiB - Offset 1025
| Name | Size | Purpose |
|-----------------|------------|-------------------------------------------------------|
| Boot sector | 512 Bytes | Lua code, extends sector 1 |
#### Sector 6-10
File table - 2.5 KiB - Offset 2502
| Name | Size | Purpose |
|-----------------|------------|-------------------------------------------------------|
| Signature | 8 Bytes | Should be "FILES " |
| Padding/Reserved| 3 Bytes | Empty |
| File table | 2533 Bytes | See File Declaration |
| End of filetable| 16 Bytes | Should be "EOFTEOFTEOFTEOFT" |
#### Sector 11-x
File table - Rest - Offset 5062
| Name | Size | Purpose |
|-----------------|------------|-------------------------------------------------------|
| Data | Rest of disk| Files |
### File Declaration in FileTable
| Name | Size | Purpose |
|-----------------|------------|-------------------------------------------------------|
| File name | 16 Bytes | i.e "FILENAME.txt " |
| File Offset | 8 Bytes | Offset of file |
| Size | 2 Bytes | Size of file to load in sectors |
| Reserved | 6 Bytes | Reserved |
### File
| Name | Size | Purpose |
|-----------------|------------|-------------------------------------------------------|
| Start file head.| 9 Bytes | "STARTFILE" |
| Data | Defined | Data |

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createDisk.py Normal file
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with open("disk.raw", "wb+") as f:
size = int(4194304 / 4)
print("creating disk of size " + str(size * 4) + " bytes")
for i in range(size):
print(f"\r{i*4}/{size*4}", end="")
f.write(b"\0" * 4)
print("\ndone")

BIN
disk.raw Normal file
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Binary file not shown.

118
files/SYSTEM.lua Normal file
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local address,serialnumber,
driveproxy,rb,readBytes,loadFileTable,findFile = ...
Filetable = loadFileTable()
function loadfile(file)
local fileIndex = findFile(file)
assert(fileIndex, "file \""..file.."\" not found")
local fileData = Filetable[fileIndex]
assert(readBytes(fileData["offset"],9) == "STARTFILE",
"magic does not match")
local data = readBytes(fileData["offset"]+9,
fileData["size"]*driveproxy.getSectorSize()-9)
return load(data, "=" .. file, "bt", _G)
end
local compo = component
local compu = computer
_G.screen_x = 1
_G.screen_y = 1
-- init gpu
screen = compo.list("screen", true)()
gpu = screen and compo.list("gpu", true)()
if gpu then
gpu = compo.proxy(gpu)
_G.gpu = gpu
if not gpu.getScreen() then
gpu.bind(screen)
end
_G.boot_screen = gpu.getScreen()
w, h = gpu.maxResolution()
gpu.setResolution(w, h)
gpu.setBackground(0x000000)
gpu.setForeground(0xFFFFFF)
gpu.fill(1, 1, w, h, " ")
end
function printk(msg,xOffset)
if gpu then
if xOffset==nil then
xOffset=0
end
if _G._JOURNAL then
_G.journal_add(msg)
end
gpu.set(1+xOffset, screen_y, msg)
if screen_y == h then
gpu.copy(1, 2, w, h - 1, 0, -1)
gpu.fill(1, h, w, 1, " ")
else
screen_y = screen_y + 1
end
end
end
function waitsleep(time)
local time_start = os.time()
while true do
if os.time() - time_start >= time then
break
end
end
end
printk("set hcf")
function hcf()
local ts = os.time()
while 1 do
if os.time() - ts >= 0.5 then
coroutine.yield()
end
end
end
printk("OSloader v2.1")
-- start loading
printk("Setting important functions")
_G.osloader = {}
printk("set osloader.bootinvoke")
osloader.bootinvoke = function(a, m, ...)
local r = table.pack(pcall(compu.invoke,a,m,...))
if not r[1] then
return nil, r[2]
else
return table.unpack(r, 2, r.n)
end
end
_G.BootAddress = address
printk(_G.BootAddress)
printk("loading boot flags")
local flagsfile, reason = loadfile("/flags.lua")
flagsfile()
printk("loading kernel at /kernel...")
local kernelfile, reason = loadfile("/kernel")
kernelfile()
hcf()

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files/bs.lua Normal file
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local a,sn,dp,rB=...
local function readBytes(off,count)
return rB(dp,off,count):gsub("%\0","")
end
local FileTable = readBytes(2502,8)
if FileTable ~= "FILES " then
error("can't find filetable at offset 2502 " ..FileTable)
end
local function loadFileTable(offset)
local fileTable = {}
if not offset then
offset = 2513
end
while true do
local Filename = readBytes(offset,16)
if Filename ~= "" then
if Filename == "EOFTEOFTEOFTEOFT" then
break
end
local file = {
["name"]=Filename,
["offset"]=tonumber(readBytes(offset+16,8),10),
["size"]=tonumber(readBytes(offset+24,2),10)
}
table.insert(fileTable, file)
end
offset = offset + 32
end
return fileTable
end
local fileTable = loadFileTable()
-- the first file should be the file SYSTEM.lua
local function findFile(filename)
for i = 1, #fileTable do
if fileTable[i]["name"] == filename then
return i
end
end
return nil
end
local fileIndex = findFile("SYSTEM.lua")
local Offset = fileTable[fileIndex]["offset"]
local Size = fileTable[fileIndex]["size"]
local FileHead = readBytes(Offset,9)
if FileHead ~= "STARTFILE" then
error("filehead is not correct" .. FileHead)
end
local data = readBytes(Offset+9,Size*dp.getSectorSize()-9)
local systemData, err = load(data, "=SYSTEM.lua", "bt", _G)
if err then
error(err)
end
if systemData == nil then
error("systemData is nil!")
end
systemData(a,sn,dp,rB,readBytes,loadFileTable,findFile)
local ts=os.time()
while 1 do
if os.time() - ts >= 0.5 then
coroutine.yield()
end
end

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files/kernel Executable file
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_G.kapi = {}
kapi.version = "5-devel_1-22-25-AWEFS"
local component = component
local computer = computer
local unicode = unicode
_G.component = nil
_G.computer = nil
_G.unicode = nil
if not screen_x then
_G.screen_x = 1
end
if not screen_y then
_G.screen_y = 1
end
function printk(msg)
if gpu then
local a, b = pcall(gpu.set, 1, screen_y, msg)
if not a then
end
if screen_y == h then
gpu.copy(1, 2, w, h - 1, 0, -1)
gpu.fill(1, h, w, 1, " ")
else
screen_y = screen_y + 1
end
end
end
kapi.printk = printk
printk("Kernel " .. kapi.version)
function kapi.printsysinfo()
local freemem = computer.freeMemory()
local totalmem = computer.totalMemory()
print("System information\n\r")
print(" /\\_/\\ Memory " .. totalmem .. "B\n\r")
print(" ( ^ ^ ) Free " .. freemem .. "b\n\r")
print(" \\ w / Used " .. totalmem - freemem .. "b\n\r")
print(" Uptime " .. computer.uptime() .. "S\n\r")
print(" Arch. " .. computer.getArchitecture() .. "\n\r")
print(" Rootdisk " .. _G.BootAddress .."\n\n\r")
print(" Kernel " .. kapi.version .."\n\r")
end
function kapi.panic(message, trace)
if _G._KFLAGS and _G._KFLAGS._PANIC_IS_ERROR then
error(message)
else
if _G.gpu ~= nil then
if gpu_driver.set_bg ~= nil then
gpu_driver.set_bg(0xff5555)
gpu_driver.set_fg(0xffffff)
screen_y = 1
screen_x = 1
print("Kernel Panic\r\n")
print("Kernel version " .. kapi.version .. "\r\n")
kapi.printsysinfo()
if trace ~= nil then
print(trace .. "\r\n")
else
print(debug.traceback() .. "\r\n")
end
print(message .. "\r\n")
print("Kernel Panic\r\n")
end
end
computer.beep(200, 0.25)
computer.beep(300, 0.25)
computer.beep(400, 0.25)
computer.beep(500, 0.25)
waitsleep(2)
computer.beep(400, 0.1)
computer.beep(500, 0.1)
computer.beep(500, 0.1)
computer.beep(200, 0.1)
hcf()
end
end
kapi.loadfile = loadfile
function kapi.dofile(path)
local program, reason = kapi.loadfile(path)
if program then
local result = table.pack(pcall(program))
if result[1] then
program = nil
reason = nil
return table.unpack(result, 2, result.n)
else
kapi.panic(result[2], debug.traceback())
end
else
kapi.panic(reason, debug.traceback())
end
end
function kapi.dprintk(m)
if _G._KFLAGS._KERNEL_DEBUG then
if _G.gpu then
set_gpu_fg(0x6666ff)
set_gpu_bg(0x000000)
printk(m)
set_gpu_fg(0xffffff)
end
end
end
function kapi.rom_invoke(root_key, method, ...)
if _G.BootAddress ~= "N/A" then
return component.invoke(_G.BootAddress, method, ...)
else
panic("Boot address is N/A", debug.traceback())
end
end
local w, h
local screen
local gpu
_G.gpu_driver = {}
_G.screen_driver = {}
function gpu_driver.init()
screen = component.list("screen", true)()
gpu = screen and component.list("gpu", true)()
if gpu and screen then
gpu = component.proxy(gpu)
_G.gpu = gpu
if not gpu.getScreen() then
gpu.bind(screen)
end
_G.boot_screen = gpu.getScreen()
w, h = gpu.maxResolution()
_G.screen_width = w
_G.screen_height = h
gpu.setResolution(w, h)
gpu.setBackground(0x000000)
gpu.setForeground(0xFFFFFF)
if screen_y == nil then
gpu.fill(1, 1, w, h, " ")
end
end
end
gpu_driver.init()
function gpu_driver.clearscr()
if gpu then
gpu.setResolution(w, h)
gpu.setBackground(0x000000)
gpu.setForeground(0xFFFFFF)
gpu.fill(1, 1, w, h, " ")
end
end
function gpu_driver.set_bg(color)
if gpu then
gpu.setBackground(color)
end
end
function gpu_driver.set_fg(color)
if gpu then
gpu.setForeground(color)
end
end
function gpu_driver.scroll()
if gpu then
gpu.copy(1, 2, w, h - 1, 0, -1)
gpu.fill(1, h, w, 1, " ")
end
screen_y = screen_height - 1
end
function gpu_driver.newln()
screen_y = screen_y + 1
if screen_y == screen_height then
gpu_driver.scroll()
else
screen_x = screen_x + 1
end
end
function gpu_driver.carriageret()
screen_x = 1
end
function print(msg)
if gpu then
if msg ~= "string" then
msg = tostring(msg)
end
for i = 1, #msg do
local c = msg:sub(i, i)
if c == "\n" then
gpu_driver.newln()
elseif c == "\09" then
gpu_driver.carriageret()
screen_x = screen_x + 8
elseif c == "\r" then
gpu_driver.carriageret()
else
if screen_x == screen_width then
screen_x = 1
screen_y = screen_y + 1
end
gpu.set(screen_x, screen_y, c)
end
if screen_y == screen_height then
gpu_driver.scroll()
else
screen_x = screen_x + 1
end
end
end
return
end
-----------------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------------
-----------------------------------------------------------------------------------------------
if _KFLAGS._MODULES_ALLOWED then
local list = kapi.loadfile(_KFLAGS._MODULE_DIR .. "enabled.list")()
if list == nil then
printk("no " .. _KFLAGS._MODULE_DIR .. "enabled.list file")
else
for i in ipairs(list) do
kapi.loadfile(_KFLAGS._MODULE_DIR .. list[i])()
end
end
end
printk("component lib")
function component.isAvailable(componentType)
if component[componentType] then
return true
end
return false
end
function component.get(address, componentType)
local comp = component.list(componentType)
for a,_ in comp do
local s,e = string.find(a,address)
if s == 1 then
return a
end
end
return nil, "no such component"
end
function component.getPrimary(componentType)
local prim = component[componentType]
if not prim then
error(string.format("no primary '%s' available", componentType))
end
return prim
end
function component.setPrimary(componentType, address)
if componentType == "filesystem" then
return
end
address = component.get(address:sub(1,5), componentType) -- don't sub
component[componentType] = component.proxy(address)
end
local components = component.list()
printk("Setting primary components")
for address, componentType in components do
component.setPrimary(componentType,address)
end
local loaded = {
["_G"] = _G,
["bit32"] = bit32,
["coroutine"] = coroutine,
["math"] = math,
["os"] = os,
["package"] = package,
["string"] = string,
["table"] = table,
["computer"] = computer,
["component"] = component,
["unicode"] = unicode
}
function unload_module(module)
if loaded[module] ~= nil then
loaded[module] = nil
end
return
end
function require(module)
if loaded[module] then
return loaded[module]
end
local library, status, arg
library = raw_loadfile("/lib/" .. module ..".lua")
library, status = pcall(library, arg or module)
assert(library, string.format("module '%s' load failed:\n%s", module, status))
loaded[module] = status
return status
end
function requirepath(module)
if loaded[module] then
return loaded[module]
end
local library, status, arg
library = raw_loadfile(module)
library, status = pcall(library, arg or module)
assert(library, string.format("module '%s' load failed:\n%s", module, status))
loaded[module] = status
return status
end
function Split(str)
local words = {}
for word in str:gmatch("%S+") do
table.insert(words, word)
end
return words
end
function InArray(arr,elem)
for i in ipairs(arr) do
if tostring(arr[i]) == tostring(elem) then
return true
end
end
return false
end
-- Security.
printk("Welcome to the AWEKernel")
printk(" /\\_/\\")
printk("( ^ ^ )")
printk("\\ w /")
local f = kapi.loadfile(_KFLAGS._INIT_LOCATION)
local s, r = pcall(f)
if not s then
kapi.panic(r)
end
kapi.panic("init killed")

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-- openfetch 1.4 | by ethernalsteve & Bs0Dd
local component = require("component")
local computer = require("computer")
--local fs = require("filesystem")
local gpu = component.gpu
local logos = {
{
" %%%%(///////(%%% ",
" %% (///%%%/(%%%%% ",
" %% (///%%%/(%%%%% ",
" %% (///////(%%%%% ",
" %%%%%%%%%%%%%%%%%%% ",
" %%%%%%%%%%%%%%%%%%% ",
" %% %% ",
" %% %% ",
" %%%%%%%%%%%%%%%%%%% ",
" %%%%%%%%%%%%%%%%% "
},
{
" %%%%%(///////////////(%%%% ",
" %%%###(//////%%%%%%///(%%%%%%% ",
" %%%###(//////%%%%%%///(%%%%%%% ",
" %%%###(//////%%%%%%///(%%%%%%% ",
" %%%###(//////%%%%%%///(%%%%%%% ",
" %%%###(///////////////(%%%%%%% ",
" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ",
" %%%((((((((((((((((((((((((%%% ",
" %%%((((((((((((((((((((((((%%% ",
" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ",
" %%% %%% ",
" %%%////////////////////////%%% ",
" %%% %%% ",
" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ",
" %%%%%%%%%%%%%%%%%%%%%%%%%%%% "
},
{
" %%%%%%%%%%(///////////////////////(%%%%%%% ",
" %%%%%%#####(///////////%%%%%%%/////(%%%%%%%%% ",
" %%%%%%#####(///////////%%%%%%%/////(%%%%%%%%%% ",
" %%%%%%#####(///////////%%%%%%%/////(%%%%%%%%%% ",
" %%%%%%#####(///////////%%%%%%%/////(%%%%%%%%%% ",
" %%%%%%#####(///////////%%%%%%%/////(%%%%%%%%%% ",
" %%%%%%#####(///////////%%%%%%%/////(%%%%%%%%%% ",
" %%%%%%#####(///////////////////////(%%%%%%%%%% ",
" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ",
" %%%%%%((((((((((((((((((((((((((((((((((%%%%%% ",
" %%%%%%((((((((((((((((((((((((((((((((((%%%%%% ",
" %%%%%%((((((((((((((((((((((((((((((((((%%%%%% ",
" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ",
" %%%%%% %%%%%% ",
" %%%%%% %%%%%% ",
" %%%%%% %%%%%% ",
" %%%%%%//////////////////////////////////%%%%%% ",
" %%%%%% %%%%%% ",
" %%%%%% %%%%%% ",
" %%%%%% %%%%%% ",
" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% ",
" %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% "
}
}
local w, h = gpu.maxResolution()
local devs = component.computer.getDeviceInfo()
local gpuInfoStr
local function getGPUTier()
local dp = gpu.maxDepth()
if dp == 8 then
return 3
elseif dp == 4 then
return 2
else
return 1
end
end
local function getModel(desc)
local name
for _, dev in pairs(devs) do
if dev.description == desc then
name = dev.product
break
end
end
return name
end
local function getOS()
--if fs.exists("OS.lua") then
-- return "MineOS"
--elseif fs.exists("/lib/core") then
-- return "OpenOS"
--elseif fs.exists("/root") then
-- return "Plan9k"
--elseif fs.exists("/etc/system") then
-- return "BananaOS"
--end
return kapi.version
end
local function getParsedUptime()
local seconds, minutes, hours = math.floor(computer.uptime()), 0, 0
local time = ""
if seconds >= 60 then
minutes = math.floor(seconds / 60)
seconds = seconds % 60
end
if minutes >= 60 then
hours = math.floor(minutes / 60)
minutes = minutes % 60
end
if getGPUTier() == 1 then
time = time .. string.format("%02d:%02d:%02d", hours, minutes, seconds)
else
if hours == 1 then time = hours .. " hour, "
elseif hours >= 2 then time = hours .. " hours, "
end
if minutes == 1 then time = time .. minutes .. " min, "
elseif minutes >= 2 then time = time .. minutes .. " mins, "
end
time = time .. seconds .. " sec"
end
return time
end
local logo = logos[getGPUTier()]
local function addCharacteristics()
local cpu, apu = getModel("CPU"), getModel("APU")
gpuInfoStr = 8
logo[2] = logo[2] .. "|OS:|" .. getOS()
logo[3] = logo[3] .. "|Uptime:|" .. getParsedUptime()
logo[4] = logo[4] .. "|Architecture:|" .. _VERSION
logo[5] = logo[5] .. "|Resolution:|" .. math.floor(w) .. "x" .. math.floor(h)
logo[6] = logo[6] .. "|Terminal:|" .. getModel("Text buffer")
if cpu ~= nil then logo[7] = logo[7] .. "|CPU:|" .. cpu:sub(0,11) .. ' (' .. cpu:match('%d') .. ' Tier)'
elseif apu ~= nil then logo[7] = logo[7] .. "|APU:|" .. apu:sub(0,11) .. ' (' .. apu:match('%d') .. ' Tier)' end
for _, dev in pairs(devs) do
if dev.description == "Graphics controller" then
logo[gpuInfoStr] = logo[gpuInfoStr] .. "|GPU:|" .. dev.product .. ' (' .. dev.product:match('%d') .. ' Tier)'
gpuInfoStr = gpuInfoStr + 1
end
end
logo[gpuInfoStr] = logo[gpuInfoStr] .. "|Memory:|" .. math.floor(computer.totalMemory() / 1024 - computer.freeMemory() / 1024) .. " KB / " .. math.floor(computer.totalMemory() / 1024) .. " KB"
end
local function drawPalette()
local palette = {{0x000000, 0x333333}, {0xCC0000, 0xFF0000}, {0x00CC00, 0x00FF00}, {0xCCCC00, 0xFFFF00},
{0x0000CC, 0x0000FF}, {0xCC00CC, 0xFF00FF}, {0x00CCCC, 0x00FFFF}, {0xCCCCCC, 0xFFFFFF}}
local cur = #logo[1] + 2
for _, color in pairs(palette) do
gpu.setForeground(color[1])
gpu.set(cur, gpuInfoStr + 2, "███")
gpu.setForeground(color[2])
gpu.set(cur, gpuInfoStr + 3, "███")
cur = cur + 3
end
end
gpu.setResolution(w, h)
addCharacteristics()
gpu.setBackground(0x000000)
gpu.fill(1, 1, w, h, " ")
for i = 1, #logo do
local logoLine, tmp, f = {}, {}, false
logo[i]:gsub(".", function(c) table.insert(logoLine, c) end)
for ii = 1, #logoLine do
if f then
if string.match(logoLine[ii], "|") then
f = false
else
if string.match(logoLine[ii], ":") then
gpu.setForeground(0xffffff)
elseif getOS() == "MineOS" then
gpu.setForeground(0x32e3de)
elseif getOS() == "OpenOS" then
gpu.setForeground(0x30ff80)
elseif getOS() == "Plan9k" then
gpu.setForeground(0xff0000)
elseif getOS() == "BananaOS" then
gpu.setForeground(0xffff00)
end
gpu.set(ii, i, logoLine[ii])
end
else
if logoLine[ii] == "%" then
if getOS() == "MineOS" then
gpu.setForeground(0x35ffff)
elseif getOS() == "OpenOS" then
gpu.setForeground(0x228822)
elseif getOS() == "Plan9k" then
gpu.setForeground(0xff0000)
elseif getOS() == "BananaOS" then
gpu.setForeground(0xcccc00)
end
gpu.set(ii, i, logoLine[ii])
elseif logoLine[ii] == "/" then
gpu.setForeground(0xfffafa)
gpu.set(ii, i, logoLine[ii])
elseif logoLine[ii] == "#" then
gpu.setForeground(0x585858)
gpu.set(ii, i, logoLine[ii])
elseif logoLine[ii] == "(" then
gpu.setForeground(0xc0c0c0)
gpu.set(ii, i, logoLine[ii])
elseif string.match(logoLine[ii], "|") then
f = true
else
gpu.setForeground(0xffffff)
gpu.set(ii, i, logoLine[ii])
end
end
end
end
drawPalette()
if getOS() == "MineOS" then
gpu.set(1, #logo + 2 > 14 and #logo + 2 or 14, 'Press any key to exit.')
local evtype
while evtype ~= 'key_down' do
evtype = computer.pullSignal()
end
else
--require("term").setCursor(1, #logo + 2 > 14 and #logo + 2 or 14)
end

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local bsh = {}
local component = require("component")
local computer = require("computer")
local event = {}
function event.pull(name, timeout)
local rawSignal = {}
local signals_recieved_in_mean_time = {}
local timeouts = 0
if not timeout then
timeout = 99999999999
end
while rawSignal[1] ~= name do
-- pull any signal
rawSignal = table.pack(computer.pullSignal(0.1))
-- if no signal then add to time timeout
if rawSignal[1] == nil then
timeouts = timeouts + 0.1
else
if rawSignal[1] ~= name then
-- not the signal, push to the signals we got in the mean time
table.insert(signals_recieved_in_mean_time,rawSignal)
else
-- got the signal
break
end
end
if timeouts >= timeout then
-- we never got the signal :(
return nil
end
end
-- rethrow all signals... they weren't what we wanted
if #signals_recieved_in_mean_time > 0 then
for i in ipairs(signals_recieved_in_mean_time) do
computer.pushSignal(table.unpack(signals_recieved_in_mean_time[i]))
end
end
return table.unpack(rawSignal)
end
-- BUG: when in /bin directory, running something tries to run /binhello.lua
-- FEAT: autofill slashes, and .lua
-- FEAT: handle ..
bsh.running = true
local function keyin()
while true do
local _,_,letterAsciiCode,_,_ = event.pull("key_down")
return letterAsciiCode
end
end
function Align(String,Number,append)
if not append then
append = " "
end
if #String > Number then
while #String > Number do
String = String:sub(1, -2)
end
String = String:sub(1, -5) .. "..."
end
if #String < Number then
while #String < Number do
String = String .. append
end
end
return String
end
function bsh.command(buffer)
local command = Split(buffer)
if command[1] == "ls" then
for i = 1, #Filetable do
print(
string.format("%s off %sb size%s(*512)\r\n",
Align(Filetable[i]["name"],16),
Align(tostring(Filetable[i]["offset"]),8),
Align(tostring(Filetable[i]["size"]),2)))
end
elseif command[1] == "clear" then
clearscr()
screen_x = 2
screen_y = 1
elseif command[1] == "exit" then
bsh.running = false
else
local file, err = loadfile(command[1])
if file == nil then
print("error while loading" .. tostring(err))
return
end
local success, result = pcall(file, command)
if not success then
print(result.."\r\n")
end
end
end
local function prompt()
print(cwd .." #> ")
end
if _G.cwd == nil then
_G.cwd = "/"
end
print("bsh v2.1\r\n")
local buffer = ""
prompt()
while bsh.running do
local nextkeycode = keyin()
if nextkeycode == nil then
nextkeycode = 0
end
local nextkey = string.char(nextkeycode)
if nextkeycode == 13 then
print("\r\n")
local success, reason = pcall(bsh.command, buffer)
if not success then
print(reason)
end
buffer = ""
nextkeycode = nil
print("\r\n")
if _G.PROCESS_RUNNER then
coroutine.yield()
end
prompt()
elseif nextkeycode == 8 then
if #buffer ~= 0 then
buffer = buffer:sub(1, -2)
screen_x = screen_x - 1
print(" ")
screen_x = screen_x - 1
end
elseif nextkeycode == 16 then
-- ignore.
else
buffer = buffer .. nextkey
print(nextkey)
end
end

4
makeFile.sh Executable file
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uuid=e3429b06-1db7-4714-9677-7729f0d51104
cp disk.raw $uuid.bin
gzip $uuid.bin
mv $uuid.bin.gz ../$uuid.bin

64
ocfs.txt Normal file
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Version 01
Disk Header:
Sector 1: Boot sector, 512 Bytes Offset 1
AWEFS Header Signature : 8 Bytes : Should be set to "AWEFS "
AWEFS Version Signature: 2 Bytes : Can be anything, version number
S/N : 8 Bytes : Anything, i.e "abcd1234" (displayed as abcd-1234)
Reserved : 46 Bytes : Reserved
Boot sector : 448 Bytes : Lua code, offset 65
Sector 2: Boot sector, 512 Bytes Offset 513
Boot sector : 512 Bytes : Lua code - extends Sector 1
Sector 3-5: Unmanaged data, 1.5 KiB Offset 1025
Data : 1.5 KiB : Data, unmanaged, don't use
Sector 6-10: File table, 2.5 KiB Offset 2502
File table signature : 8 Bytes : Should be set to "FILES "
Padding : 3 Bytes : Should be null
File Declaration: 32 Bytes
File name : 16 Bytes : i.e "FILENAME.txt "
File offset : 8 Bytes : Offset of file on disk
Size : 2 Bytes : How many sectors does the file take up
Reserved : 6 Bytes : Reserved
End of file table : 16 Bytes : "EOFTEOFTEOFTEOFT"
Sector 11-x: Data, files, etc Offset (in theory 5062 12c6)
File on disk :
Start file header : 9 Bytes : "STARTFILE"
Data : Defined : Defined in filetable
Default Bios Behaivors and Todo:
TODO:
scan disks for bootable, (add bootable flag?)
Behaivors:
Will pass along current drive's address, S/N, drive proxy, and
readBytes function (use local a,sn,dp,rB = ...)
local ts = os.time()
while 1 do
if os.time() - ts >= 0.5 then
coroutine.yield()
end
end
Notes:
In theory, you can put files anywhere on disk. Instead of doing that,
please store files directly after the end of a file with the file with the largest
offset + (size * sectorSize) (i.e last file is at offset 4000 and size 1 sector, store next file at 4512)
The 16 bytes for file name is very limiting. I will probably raise it, but it's fine right now
Writing to disk will probably be okay, (loop thru filetable, find lowest offset using a
candidate system or something, then do the math to find the next offset. Issue with that
would be any deleted files before the file with the highest offset will never be reclaimed)
003FFFF0