Sets an interrupt vector.
Usage:
LDX MSB LDY LSB LDA (value see table below) JSR $E45C
Register | Value |
---|---|
X | MSB |
Y | LSB |
A | vector to be changed, see below |
Value | Vector |
---|---|
0 | VIMIRQ |
1 | TIMCOUNT1 |
2 | TIMCOUNT2 |
3 | TIMCOUNT3 |
4 | TIMCOUNT4 |
5 | TIMCOUNT5 |
6 | VVBLKI |
7 | VVBLKD |
see also: VBI Vertical Blank Interrupt