videochargen/main.c

#include <avr/io.h>
#include <avr/interrupt.h>

ISR(INT0_vect, ISR_NAKED) {
    asm("jmp int_vertical_sync");
}
ISR(INT1_vect, ISR_NAKED) {
    asm("jmp int_horizontal_sync");
}
first commit vertical line at about 1/3 of the horizontal line 2021-06-26 17:15:17 +00:00			`#include <avr/io.h>`
			`#include <avr/interrupt.h>`

"diagonal line" not vertically locked, just a test also not the whole screen, just a bit 2021-06-26 20:34:22 +00:00			`ISR(INT0_vect, ISR_NAKED) {`
"diagonal line" not the whole screen, but vertically locked actually it has some issues, there is a single dot (at the end/beginning of a cycle) that messes up the horizontal sync and moves all the picture... must be fixed 2021-06-26 21:42:23 +00:00			`asm("jmp int_vertical_sync");`
			`}`
			`ISR(INT1_vect, ISR_NAKED) {`
			`asm("jmp int_horizontal_sync");`
first commit vertical line at about 1/3 of the horizontal line 2021-06-26 17:15:17 +00:00			`}`