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annotate lib/alib/is_upper.a @ 2765:0bd16cca86b7

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Updated rules.mak for all the os9 format's to format the entire disk. People were having some issues with the disk images not being formatted to their full capacity and preventing some functions from working.
author drencor-xeen
date Thu, 17 Jan 2013 11:03:26 -0600
parents 7d70b7e1cb21
children aaba193af04f
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1 *****************************************
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2
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3 * See if character in "B" is a uppercase letter
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4
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5 * OTHER MODULES NEEDED: none
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6
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7 * ENTRY: B=character to test
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8
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9 * EXIT: CC zero=1 if uppercase, 0 if not
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10
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11 nam Is Char Uppercase?
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12 ttl Assembler Library Module
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15 psect IS_UPPER,0,0,0,0,0
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18 IS_UPPER:
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19 cmpb #'A
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20 blo no not uppercase, zero cleared
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21 cmpb #'Z if equal, zero set
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22 bhi no not upperc, zero cleared
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23 orcc #%00000100 set zero
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25 no
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26 rts
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28 endsect
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