cubed4th

FORTH^3, relicensed with permission from https://github.com/p-unity

-- THE FORTH-79 STANDARD --

The text here was done by OCR and contains may reading errors. Please feel free to submit corrections.

4. DEFINITICNS OF TERMS

These definitions, when in lower case, are terms used within this Standard.

They present tenns as specifically used within FORI'H.

A

address, byte

An unsigned number that locates an 8-bit byte in a standard FOR'll! ,; address space over { 0 •• 65, 535 } • It may be a native machine address or a representation on a virtual machine; locating the 'addr-th' yte within the virtual byte address space. Address arithmetic is modul.o 65, 536 without overflow.

address, compilation

The numerical value equivalent to a FORTH word definition, which is compi.Led for that definition. The ddress interpreter uses this value to locate the machine cede corresponding to each definition. (May al. o be called the code field address. )

address, native �chine

The natural address representation of the host computer.

address, parameter field

The address of the first byte of mencry associated with a word definition for the storage of compilation addresses (in a colon-definition), numeric data and text characters. arithmetic All integer arithmetic is performed with signed 16 or 32 bit two's complement results, unless noted.

B

block

The unit of data from mass storage, referenced by block number. A block must contain 1024 bytes regardless of the minimum data unit read/written from mass storage. The translation from block number to device and physical reC'Ord is a function of the implementation.

block buffer

A menory area where a mass storage block is maintained.

byte

An assembly of 8 bi ts. In reference to mencry, it is the storage capa.ci ty for 8 bits.

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