- variabelen kunnen in de volgende address ranges liggen:
    - in eeprom
    - in ram
    - in program memory
- streams voor:
    - i2c
    - onewire
    - a/d
    - d/a
    - dtmf
    - keyboard
    - flashfilesystem
    - uart
- variable types:
    - bit
    - nyble
    - byte
    - sbyte
    - word
    - sword
    - long / sdword
    - dword / ulong
    - qword / ulonglong
    - sqword / longlong
    - single / float
    - double 
    - string types
    - array of type
    - hashtables?
    - iopin - stores address of avr iopin in 1 byte
    - [sizetype][memtype]ptr
        where memtype={ee,ram,rom,xram}

    - dim name as type [at address] [modifiers]
    - modifier can specify memory type.
- pointers: ( declared with 'at address' )
    - have methods:
        bit0..bit32
        nib0..nib7
        byte0..byte3
        word0..word1
        value   ( default )
        addr


- declaration modifiers:
    - const -> located in rom
    - persistent -> located in eeprom

- procedure/function parameters can be 'byval' or 'byref'

- numeric operators:
    - binary arithmetic: +, -, *, / (div), % (mod)
    - unary arithmetic: -, +
    - binary bitwise: & (and), | (or), ^ (xor), << (shl), >> (shr), rol, ror
    - binary bitwise: ~ (not)
    - binary logical/shortcut: &&, ||
    - unary logical: !
- string operators:
    - binary: +
- bitwise functions:
    - rol, ror, clz
- arithmetic functions:
    - abs, sign
- conversion functions:
    - bcdToInt, IntToBcd
    - StrToInt, IntToStr
    - ...
    - ReverseByteOrder

- strings:
    - fixed length string
    - variable length string, with limit
    - longstring - upto 64k,  shortstring - upto 255, tinystring - upto 15
- string functions:
    - left, right, mid, repeatchar, spaces, lcase, ucase, index, ltrim, rtrim, trim
    - split
    - lookupstr
    - base64


- arrays:
    - fixed length array
    - variable length array, with limit.
- constants:
    - hex: $0123abcd  or &h0123abcd  or 0x0123abcd
    - oct: &o01234567 or 01234567
    - bin: %0101010 or 0101010b or &b0101010
    - dec: 1299
    - string: "qeqwe\n12\"\"3123"
- multithreading
- on ...event... sub_name
- no 'gosub'
- what model do we choose for strings?
    - fixed length strings
    - variable length strings
- math functions:
    - cos, sin, tan, acos, asin, atan, sqrt, exp, log, log10, log2, pow
    - cosh, sinh, tanh
    - deg2rad, rad2deg
    - modpow

- libraries for:
    - dtmf read/write - via stream.
    - magcard
    - binarysearch: see mbasic lookup/lookdown
    - hashtables
    - servo control
    - stepper control
    - i2c
    - onewire
    - spi
    - systemevents: powerup/powerdown/brownout
    - x10
    - a/d convertor
    - d/a convertor
    - dtmf detect/send
    - keyboard
    - lcd/text
    - lcd graphics
    - flashfilesystem
    - uart
    - pulsewidth modulation/detection/pulse counting
    - sound
    - queues
    - tasks
    - rtc
    - semaphores
    - webserver
    - networking
    - fft
    - matrix lib, solveqr, leastsquares
    - crc16/crc32/csum8/csum16/csum32
    - bignumlib
    - crypto: md5,sha1,sha256, aes, twofish, dh-keyexchange, rsa, zk-proofs
    - ps2-mouse: read mouse, emulate mouse
    - pc-keyboard: read kbd, emulate kbd
    - timer
    - gps
    - infrared
    - powersaveing
    - sms
    - crystal tcpip voor atmel/avr support
    - w3100a tcpip support
    - scheduler