JimmyDansbo
/ x16speed.asm
Last active
February 7, 2025 22:02
Small program to show the difference in speed on the Commander X16 with different clock speeds. Result is the amount of increments that were possible within VERA 60Hz interrupt cycle. Build with cl65 -t cx16 -o X16SPEED.PRG x16speed.asm
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| .segment "STARTUP" | |
| .segment "INIT" | |
| .segment "ONCE" | |
| .segment "CODE" | |
| IRQVECTOR = $0314 | |
| VERA_IEN = $9F26 | |
| VERA_ISR = $9F27 | |
| CHROUT = $FFD2 |