Some RAM addresses on CWI (tested with CY-23D Ver-- emulator ROM).

If an address has [AAAAA/BBBBB] after its description, AAAAA is 0, BBBBB is 1.

  • D10EH <word, little-endian>: Function pressed. Usually contains the 1-byte or 2-byte character pressed, but can be different values.
    • [OPTN]: FC01
    • [SHIFT] [7]: FC02
    • [SHIFT] [8]: FC03
    • [SHIFT] [9]: FC04
    • [SHIFT] [4]: FC05
    • [SHIFT] [STO]: FC06
    • [SHIFT] [OPTN]: FC07
    • [↑]: FC1C
    • [↓]: FC1D
    • [→]: FC1E
    • [←]: FC1F
    • Mode chosen: FC24
    • I/O mode change: FC25
    • Input area clear: FC26
    • [SHIFT] [=]: FC2D
    • [=]: FC30
    • (Base-N) BIN: FC32
    • (Base-N) OCT: FC33
    • (Base-N) DEC: FC34
    • (Base-N) HEX: FC35
    • [ENG]: FC38
    • [SHIFT] [ENG]: FC39
    • [S⇔D]: FC3A
    • [SHIFT] [S⇔D]: FC3B
    • [CALC]: FC3C
    • [SHIFT] [CALC]: FC3D
    • [ALPHA] [DEL]: FC3F
    • Statistics Calc: FC40
    • Element chosen in Periodic Table/Option chosen in Algorithm mode: FC42
  • D110H: Modifiers byte.
    • Bit 3 = SHIFT
    • Bit 2 = ALPHA
    • Bit 0 = STO
    • Remaining bits are unused.
  • D111H + D112H: Current mode and submode respectively. See [Mode code](classwiz_qr.html#mode-code-14) for more info.
  • D113H: Screen state.
    • 0: Calculation
    • 1: Mode menu
    • 2: Setup menu
    • 3: All other menus
  • D11AH: Number format.
    • 0: Norm1
    • 4: Norm2
    • 8: Fix
    • 9: Sci
  • D11BH: Fix/Sci number count (0-9).
  • D11CH: Decimal mark. [Comma/Dot]
  • D11DH: Angle unit.
    • 4: Degree
    • 5: Radian
    • 6: Gradian
  • D11EH: Input mode. [LineI/MathI]
  • D11FH: Fraction result. [d/c / ab/c]
  • D120H: Complex result. [r∠θ/a+bi]
  • D121H: Statistics mode frequency toggle. [Off/On]
  • D122H: Recurring decimal toggle. [Off/On]
  • D123H: Simplify mode. [Auto/Manual]
  • D124H: Output mode. [MathO(LineO)/DecimalO]
  • D125H: Auto power off time. [10 min./60 min.]
  • D126H: Table type. [f(x)/f(x),g(x)]
  • D127H: Engineering symbol toggle. [Off/On]
  • D128H: Digit seperator toggle. [Off/On]
  • D129H: MultiLine font size.
    • 0A: Small Font
    • 0E: Normal Font
  • D12AH: Equation complex root toggle. [Off/On]
  • D12BH: Language byte. (will vary between models)
  • D12CH: Spreadsheet: Auto re-calculation toggle. [Off/On]
  • D12DH: Spreadsheet: Formula result toggle. [Formula/Value]
  • D12EH: QR code version (3 / 11)
  • D12FH: Algorithm: Background.
    • 0: Axes
    • 1: Axes/Grid
    • 2: Axes/Label
    • 3: None
  • D130H: Algorithm: Unit setting. [pixels/units]