Codevision Avr 2.05.0 Professional May 2026

asm("nop"); asm("sbi 0x18, 4"); // set bit 4 of PORTB (I/O address 0x18) CodeVision names interrupts via standard vector names:

For hobbyists, the free 2KB-limited demo is enough for many small projects (ATtiny13, ATtiny85, basic sensors). For professionals, the investment pays off quickly if you work regularly with classic AVRs. CodeVision AVR 2.05.0 Professional is not the newest IDE on the block, but it remains one of the most productive for 8-bit AVR development. Its CodeWizardAVR, integrated programmer, and efficient libraries create a friction-free environment that still competes with modern text-editor-plus-GCC workflows. CodeVision AVR 2.05.0 Professional

PORTB = (1<<PORTB5); delay_ms(1000); PORTB = (0<<PORTB5); delay_ms(1000); asm("nop"); asm("sbi 0x18, 4"); // set bit 4