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22 lines
336 B
ArmAsm
22 lines
336 B
ArmAsm
;
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; Ullrich von Bassewitz, 02.06.1998
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;
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; int isspace (int c);
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;
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.export _isspace
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.include "ctype.inc"
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_isspace:
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cpx #$00 ; Char range ok?
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bne @L1 ; Jump if no
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tay
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lda __ctype,y ; Get character classification
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and #(CT_SPACE | CT_OTHER_WS) ; Mask space bits
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rts
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@L1: lda #$00 ; Return false
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tax
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rts
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