1 line
20 KiB
NASM
1 line
20 KiB
NASM
|
keep obj/ctype
case on
****************************************************************
*
* CType - Character Types Library
*
* This code implements the tables and subroutines needed to
* support the standard C library CTYPES.
*
* July 1988
* Mike Westerfield
*
* Copyright 1988
* Byte Works, Inc.
*
****************************************************************
*
CType start dummy routine
copy equates.asm
end
****************************************************************
*
* int isalnum (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
isalnum start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
inx form the result
lda >__ctype,X
and #_upper+_lower+_digit
rtl
end
****************************************************************
*
* int isalpha (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
isalpha start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
inx form the result
lda >__ctype,X
and #_upper+_lower
rtl
end
****************************************************************
*
* int isascii (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
isascii start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
cpx #$0080 form the result
blt yes
lda #0
rtl
yes lda #1
rtl
end
****************************************************************
*
* int isctrl (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
isctrl start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
inx form the result
lda >__ctype,X
and #_control
rtl
end
****************************************************************
*
* int iscsym (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
iscsym start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
inx form the result
lda >__ctype2,X
and #_csym
rtl
end
****************************************************************
*
* int iscsymf (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
iscsymf start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
inx form the result
lda >__ctype2,X
and #_csymf
rtl
end
****************************************************************
*
* int isdigit (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
isdigit start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
inx form the result
lda >__ctype,X
and #_digit
rtl
end
****************************************************************
*
* int isgraph (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
isgraph start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
inx form the result
lda >__ctype,X
and #_upper+_lower+_digit+_punctuation
rtl
end
****************************************************************
*
* int islower (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A - result
*
****************************************************************
*
islower start
lda 4,S fetch the operand
tax
lda 2,S remove parm from stack
sta 4,S
pla
sta 1,S
inx form the result
lda >__ctype,X
and #_lower
rtl
end
****************************************************************
*
* int isodigit (int c)
*
* Inputs:
* 4,S - digit to test
*
* Outputs:
* A
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