22 lines
400 B
ArmAsm
Executable file
22 lines
400 B
ArmAsm
Executable file
! cv64u() - 64 bit converted to unsigned Author: Kees J. Bot
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! 24 Dec 1995
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.sect .text
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.define _cv64u, _cv64ul
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_cv64u: ! unsigned cv64u(u64_t i);
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mov bx, sp
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mov cx, 4(bx)
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jmp 0f
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_cv64ul: ! unsigned long cv64ul(u64_t i);
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mov bx, sp
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xor cx, cx
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0: mov ax, 2(bx)
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mov dx, 4(bx)
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or cx, 6(bx)
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or cx, 8(bx) ! return UINT/ULONG_MAX if really big
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jz 0f
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mov ax, #-1
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mov dx, ax
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0: ret
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