2021-09-19 12:18:33 -04:00
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%include "../inc/length_func.inc"
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case_func:
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2021-09-24 17:33:36 -04:00
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mov r11, rdi
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2021-09-19 12:18:33 -04:00
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;length_funcx accepts r8
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call length_func
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mov r10, rax
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xor rcx, rcx ;we do this to clear rcx incase it had garbage in it before
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_loop:
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;do loop things
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mov r9, r11
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add r9, rcx
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mov r8b, [r9] ;this block here makes sure that our character is a capital letter and if its not a capital letter do nothing and return
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cmp r8b, 90
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ja _endloop
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cmp r8b, 65
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jb _endloop
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add r8b, 32 ;make the letter capital
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mov [r9], r8b
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_endloop:
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;end loop
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inc rcx
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cmp rcx, r10
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jle _loop
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ret
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