Chapter 38. TIC54X Dependent Features

219

$lastch(

str

,

ch

)

Returns index of the last occurrence of character constant

ch

in

str

.

$isdefed(

symbol

)

Returns zero if the symbol

symbol

is not in the symbol table, non zero otherwise.

$ismember(

symbol

,

list

)

Assign the first member of comma separated string

list

to

symbol

;

list

is reassigned the

remainder of the list. Returns zero if

list

is a null string. Both arguments must be subsyms.

$iscons(

expr

)

Returns 1 if string

expr

is binary, 2 if octal, 3 if hexadecimal, 4 if a character, 5 if decimal, and

zero if not an integer.

$isname(

name

)

Returns 1 if

name

is a valid symbol name, zero otherwise.

$isreg(

reg

)

Returns 1 if

reg

is a valid predefined register name (AR0 AR7 only).

$structsz(

stag

)

Returns the size of the structure or union represented by

stag

.

$structacc(

stag

)

Returns the reference point of the structure or union represented by

stag

. Always returns zero.

38.11. Memory mapped Registers

The following symbols are recognized as memory mapped registers: