Mdelay.asm
1 | ;************************************************************************/
| 2 | ;* */
| 3 | ;* Delay Macro 8 ... 65543 Cycle */
| 4 | ;* */
| 5 | ;* Author: Peter Dannegger */
| 6 | ;* danni@specs.de */
| 7 | ;* */
| 8 | ;************************************************************************/
| 9 | .listmac
| 10 |
| 11 | ;delay 8 ... 65543 cycle
| 12 |
| 13 | .macro mdelay
| 14 | ldi r24, low( @0 - 8 )
| 15 | ldi r25, high( @0 - 8 )
| 16 | sbiw r24, 4
| 17 | brcc pc - 1
| 18 | cpi r24, 0xFD
| 19 | brcs pc + 4
| 20 | breq pc + 3
| 21 | cpi r24, 0xFF
| 22 | breq pc + 1
| 23 | .endmacro
| 24 |
| 25 | mdelay 8
| 26 |
| 27 | mdelay 9
| 28 |
| 29 | mdelay 10
| 30 |
| 31 | mdelay 11
| 32 |
| 33 | mdelay 12
| 34 |
| 35 | mdelay 65543
| 36 |
| 37 | rjmp pc
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