Log inRegister an accountBrowse CSDbHelp & documentationFacts & StatisticsThe forumsAvailable RSS-feeds on CSDbSupport CSDb Commodore 64 Scene Database
You are not logged in - nap
CSDb User Forums


Forums > C64 Coding > NTSC Raster Positions
2023-09-26 15:46
TWW

Registered: Jul 2009
Posts: 557
NTSC Raster Positions

Good afternoon gents.

Is Rasterline #$00 to #$13 located in the lower border on NTSC machines when bit 7 of $d011 is cleared?

Tried to do a vsync (bit $d011 + bpl/bmi) and turned to debug borders and had to wait for rasterline #$14 before it was in the top border.

On PAL it works as expected though.
 
... 10 posts hidden. Click here to view all posts....
 
2023-09-29 11:14
tlr

Registered: Sep 2003
Posts: 1814
Back when x64sc was written we asked for people to run test programs, often via IRC, and got loads of test data back. If there were surprising results (like the first encounters with PAL-N) we would do updated test programs and re-ask for testing. Most of these machines weren't in our direct possession.
2023-09-29 14:08
chatGPZ

Registered: Dec 2001
Posts: 11523
6567R8 is in mine...rather boring :)
Previous - 1 | 2 - Next
RefreshSubscribe to this thread:

You need to be logged in to post in the forum.

Search the forum:
Search   for   in  
All times are CET.
Search CSDb
Advanced
Users Online
Knut Clausen/SHAPE/F..
Mason/Unicess
t0m3000/bo0M!^hf^ibex
itch/SoS / Nofx
Krill/Plush
Guests online: 182
Top Demos
1 Next Level  (9.7)
2 13:37  (9.7)
3 Codeboys & Endians  (9.7)
4 Mojo  (9.6)
5 Coma Light 13  (9.6)
6 Edge of Disgrace  (9.6)
7 Signal Carnival  (9.6)
8 Wonderland XIV  (9.5)
9 Uncensored  (9.5)
10 Comaland 100%  (9.5)
Top onefile Demos
1 Nine  (9.7)
2 Layers  (9.6)
3 Cubic Dream  (9.6)
4 Party Elk 2  (9.6)
5 Copper Booze  (9.5)
6 Scan and Spin  (9.5)
7 Onscreen 5k  (9.5)
8 Grey  (9.5)
9 Dawnfall V1.1  (9.5)
10 Rainbow Connection  (9.5)
Top Groups
1 Artline Designs  (9.3)
2 Booze Design  (9.3)
3 Oxyron  (9.3)
4 Performers  (9.3)
5 Censor Design  (9.3)
Top Cover Designers
1 Duce  (9.8)
2 Electric  (9.8)
3 Junkie  (9.6)
4 The Elegance  (9.5)
5 Mermaid  (9.3)

Home - Disclaimer
Copyright © No Name 2001-2025
Page generated in: 0.066 sec.