sunlogo

-- CameronOS Boot Screen
-- Authentic Sun SPARC-5 style BIOS

local function bootScreen()
    term.setBackgroundColor(colors.white)
    term.setTextColor(colors.gray)
    term.clear()
    term.setCursorPos(1, 1)

    -- Memory bank probing
    print("Probing Memory Bank #2 32 Megabytes")
    print("Probing Memory Bank #3 Nothing there")
    print("Probing Memory Bank #4 Nothing there")
    print("Probing Memory Bank #5 Nothing there")
    print("Probing Memory Bank #6 Nothing there")
    print("Probing Memory Bank #7 Nothing there")
    sleep(0.3)

    print("Probing CPU FMI,MB86904")
    sleep(0.2)
    print("Probing /iommu@0,10000000/sbus@0,10001000 at 5,0  espdma esp sd st SUNW,bpp ledm")
    print("a le")
    sleep(0.2)
    print("Probing /iommu@0,10000000/sbus@0,10001000 at 4,0  SUNW,CS4231 power-management")
    print("Probing /iommu@0,10000000/sbus@0,10001000 at 1,0  Nothing there")
    print("Probing /iommu@0,10000000/sbus@0,10001000 at 2,0  cgthree")
    print("Probing /iommu@0,10000000/sbus@0,10001000 at 3,0  Nothing there")
    print("Probing /iommu@0,10000000/sbus@0,10001000 at 0,0  Nothing there")
    sleep(0.5)

    print("")

    -- Sun logo and system info
    local logoStartY = 14
    term.setCursorPos(1, logoStartY)

    -- Draw Sun logo
    term.setTextColor(colors.gray)
    term.setBackgroundColor(colors.white)
    term.clear()
    local logo = {
        "       /\\      ",
        "      /  \\     ",
        "     /\\ \\ \\    ",
        "    /\\ \\ \\ \\   ",
        "   /\\ \\ \\ \\/\\  ",
        "  / /\\ \\ \\/ /\\ ",
        " / / /\\  / / /\\",
        "/ / /  \\/ / /  \\",
        "\\  / / /\\  / / /",
        " \\/ / /  \\/ / /",
        "  \\/ /\\ \\ \\/ /",
        "   \\/\\ \\ \\ \\/",
        "    \\ \\ \\ \\/",
        "     \\ \\ \\/",
        "      \\  /",
        "       \\/      "
    }

    for _, line in ipairs(logo) do
        sleep(0.02)
        print(line)
    end

    sleep(2)
    term.setTextColor(colors.gray)
    term.setCursorPos(1, logoStartY + 17)
    term.setTextColor(colors.gray)
    term.setCursorPos(1, logoStartY + 15)


    term.clear()
    term.setCursorPos(1,1)

    print("SPARCstation 5, Keyboard Present")
    --term.setCursorPos(1, logoStartY + 18)
    print("ROM Rev. 2.15, Some memory installed, Serial #921102.")
    --term.setCursorPos(1, logoStartY + 19)
    local computer = os.getComputerID()
    print("Rednet address unknown, Host ID: " .. computer)
    print("")
    sleep(0.5)
    sleep(1)

    -- Boot device info
    print("Boot device: /iommu/sbus/ledma@5,8400010/le@5,8c00000  File and args:")
    sleep(0.3)
    print("Checking for rednet modem...")
    sleep(1)
    local modem = peripheral.find("modem")
    print("")
    if modem then
         print("Modem would be: " .. tostring(modem))
    else
         print("Timeout waiting for REDNET packet")
    end
    sleep(1)
    print("Lost Carrier  (transceiver cable problem?)")
    print("Cable problem or twisted pair hub link-test disabled.")
    print("Use the PROM command 'help rednet' for more information.")
    sleep(0.5)
    print("")
    print("")
   --print("Type  help  for more information")
    write("ok boot disk")

    -- Cursor simulation
    local cursorTimer = os.startTimer(0.5)
    local showCursor = true
    local waited = 0

    while waited < 2 do
        local event, param = os.pullEvent()
        if event == "timer" and param == cursorTimer then
            if showCursor then
                term.setBackgroundColor(colors.gray)
                write(" ")
                local x, y = term.getCursorPos()
                term.setCursorPos(x - 1, y)
            else
                write(" ")
                local x, y = term.getCursorPos()
                term.setCursorPos(x - 1, y)
                term.setBackgroundColor(colors.white)
            end
            showCursor = not showCursor
            cursorTimer = os.startTimer(0.5)
            waited = waited + 0.5
        elseif event == "key" then
            break
        end
    end

    print("")
    print("")
    sleep(0.3)

    -- Transition to kernel boot
    term.setBackgroundColor(colors.black)
    term.setTextColor(colors.white)
    term.clear()
    term.setCursorPos(1, 1)
end

-- Run boot screen
bootScreen()

print("SunOS Release 5.7 Version Generic [UNIX(R) System V Release 4.0]")
print("Copyright (c) 1983-1999, Sun Microsystems, Inc.")
print("")
print("Booting kernel...")
sleep(0.5)
print("")
--print("Boot sequence complete!")
--print("Next: Add kernel initialization and shell...")
term.setBackgroundColor(colors.black)
term.setTextColor(colors.white)
term.clear()