ADRHEXADRNAMEDescriptionOS
58460$E45CSETVBVSet system timers and interrupt vectorsboth

Sets an interrupt vector or system timer vector.

Usage:#

Assembler

LDX MSB
LDY LSB
LDA (value see table below)
JSR $E45C
Action!
PROC SETVBV=*$E45C(BYTE VECTOR,MSB,LSB)
RETURN

RegisterValue
XMSB
YLSB
Avector to be changed, see below

ValueVector
0VIMIRQ
1TIMCOUNT1
2TIMCOUNT2
3TIMCOUNT3
4TIMCOUNT4
5TIMCOUNT5
6VVBLKI
7VVBLKD


see also: VBI Vertical Blank Interrupt

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« This page (revision-7) was last changed on 02-Apr-2019 15:44 by Florian Dingler