convert the CP437 values to a strings.

NewEnclosedEnvironment allows variables during function calls.

NewTermEnvironment creates an environment with a terminal front-end.

StdError returns both the GWBASIC message, and error code for a basic error.

size of arrays that haven't been DIM'd.

0.

1.

6.

15.

3.

8.

2.

9.

11.

10.

13.

12.

5.

4.

7.

14.

set background color to black.

set background color to bright black (grey).

set foreground color to black.

set foreground color to bright black (grey).

set foreground color to bright red.

set green.

set foreground color to red.

set yellow.

Select Graphic Rendition, reset.

XTerm.js color directives,https://xtermjs.org/docs/api/vtfeatures/.

94.

96.

92.

95.

91.

97.

93.

holds an array of Objects.

When auto is on, this holds the current state.

BStr is a byte backed string not COMmonly used parser won't generate one they only occur at run-time.

Environment holds my variables and possibly an outer environment.

Fixed decimal point value.

Double precision floats.

Single precision floats.

HaltSignal tells the eval loop to stop executing.

IntDbl values.

Integer values.

RestartSignal restarts the eval loop after a chain.

String values.

Console defines how to collect input and display output.

HttpClient allows me to mock an http.Client, minimally.

BuiltinFunction is a function defined by gwbasic.

ObjectType can always be displayed as a string.