2002-11-23 11:19:51 +00:00
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;
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; Ullrich von Bassewitz, 23.11.2002
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2017-03-12 22:21:43 +00:00
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; Christian Krueger, 11-Mar-2017, saved 5 bytes
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2002-11-23 11:19:51 +00:00
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;
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; CC65 runtime: Convert char in ax into a long
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;
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2013-05-09 11:56:54 +00:00
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.export aulong, along
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.importzp sreg
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2002-11-23 11:19:51 +00:00
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; Convert A from char to long in EAX
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2017-03-12 22:21:43 +00:00
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along: ldx #$ff
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cmp #$80 ; Positive?
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bcs store ; no, apply $FF
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2002-11-23 11:19:51 +00:00
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2017-03-12 22:21:43 +00:00
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aulong: ldx #0
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store: stx sreg
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2013-05-09 11:56:54 +00:00
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stx sreg+1
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rts
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