| Line | |
|---|
| 1 | ! div64u() - 64 bit divided by unsigned giving unsigned long
|
|---|
| 2 | ! Author: Kees J. Bot
|
|---|
| 3 | ! 24 Dec 1995
|
|---|
| 4 | .sect .text
|
|---|
| 5 | .define _div64u, _rem64u
|
|---|
| 6 |
|
|---|
| 7 | _div64u: ! unsigned long div64u(u64_t i, unsigned j);
|
|---|
| 8 | mov bx, sp
|
|---|
| 9 | div64u: xor dx, dx
|
|---|
| 10 | mov ax, 8(bx)
|
|---|
| 11 | div 10(bx)
|
|---|
| 12 | mov ax, 6(bx)
|
|---|
| 13 | div 10(bx)
|
|---|
| 14 | mov ax, 4(bx)
|
|---|
| 15 | div 10(bx) ! division bits 16-31
|
|---|
| 16 | mov cx, ax
|
|---|
| 17 | mov ax, 2(bx)
|
|---|
| 18 | div 10(bx) ! division bits 0-15
|
|---|
| 19 | xchg dx, cx ! division in dx:ax, remainder in cx
|
|---|
| 20 | ret
|
|---|
| 21 |
|
|---|
| 22 | _rem64u: ! unsigned rem64u(u64_t i, unsigned j);
|
|---|
| 23 | mov bx, sp
|
|---|
| 24 | call div64u
|
|---|
| 25 | mov ax, cx
|
|---|
| 26 | ret
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
