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Words in category Built-in Constants in glossary TurboForth Kernal

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The following words are listed in this category (10 words found): Word Types: S = Standard, I = Immediate , IC = Immediate-compiling.
Word Name Word Type Data Stack Signature Return Stack Signature Description Availability
V1.0 V1.1 V1.2
FALSE S -- 0 -- Returns 0.
FFAIHM S -- n -- Returns the first free address in high memory.
FFAILM S -- n -- Returns the first free address in low memory.
HERE S -- address -- Returns the address of the start of free memory.
IOERR S -- io_error -- Returns the last disk IO error. If 0, no error occurred.
PAD S -- address -- Returns an address for use as a temporary pad or work area.
R0 S -- address -- Returns beginning address of return stack. Used to reset return stack.
S0 S -- address -- Returns beginning address of data stack. Used to reset data stack.
TRUE S -- -1 -- Returns -1 (>FFFF hex).
XMAX S -- width -- Returns the number of columns on the display. Either 32, 40 or 80.

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