27 lines
553 B
ArmAsm
27 lines
553 B
ArmAsm
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! div64u() - 64 bit divided by unsigned giving unsigned long
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! Author: Kees J. Bot
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! 24 Dec 1995
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.sect .text
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.define _div64u, _rem64u
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_div64u: ! unsigned long div64u(u64_t i, unsigned j);
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mov bx, sp
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div64u: xor dx, dx
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mov ax, 8(bx)
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div 10(bx)
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mov ax, 6(bx)
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div 10(bx)
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mov ax, 4(bx)
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div 10(bx) ! division bits 16-31
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mov cx, ax
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mov ax, 2(bx)
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div 10(bx) ! division bits 0-15
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xchg dx, cx ! division in dx:ax, remainder in cx
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ret
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_rem64u: ! unsigned rem64u(u64_t i, unsigned j);
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mov bx, sp
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call div64u
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mov ax, cx
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ret
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