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| From: | Matthias Weißer |
| Subject: | Re: [avr-gcc-list] SBI an CBI optimizations |
| Date: | Thu, 07 Jul 2005 17:49:19 +0200 |
| User-agent: | Mozilla/5.0 (Windows; U; Windows NT 5.1; de-DE; rv:1.7.5) Gecko/20041206 Thunderbird/1.0 Mnenhy/0.7 |
Trampas schrieb:
I gave that a shot:
#define DISABLE_INTO_ISR() {GIMSK &= ~(1<<INT0);}
176:rs485.c **** DISABLE_INTO_ISR();
247 .LM24:
248 0086 8BB7 in r24,91-0x20
249 0088 8F7B andi r24,lo8(-65)
250 008a 8BBF out 91-0x20,r24
GIMSK is at IO-register address 59. SBI and CBI can only be used from IO-register address 0 to IO-register address 31.
-- Matthias Weißer address@hidden http://www.matwei.de
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