6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-12-23 20:29:42 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #317 from TomHarte/SpriteGlitching

Browse Source 
Corrects occasional TMS sprite glitching.
This commit is contained in:
Thomas Harte 2017-12-12 19:20:27 -08:00 committed by GitHub
commit 504772bcda
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Components/9918/9918.cpp
View File

@ -204,14 +204,15 @@ void TMS9918::run_for(const HalfCycles cycles) {
}
// Four more access windows: no collection.
if(access_pointer_ >= 15 && access_pointer_ < 19)
if(access_pointer_ >= 15 && access_pointer_ < 19) {
access_pointer_ = std::min(19, access_slot);
// Start new sprite set if this is location 19.
if(access_pointer_ == 19) {
active_sprite_set_ ^= 1;
sprite_sets_[active_sprite_set_].active_sprite_slot = 0;
sprites_stopped_ = false;
// Start new sprite set if this is location 19.
if(access_pointer_ == 19) {
active_sprite_set_ ^= 1;
sprite_sets_[active_sprite_set_].active_sprite_slot = 0;
sprites_stopped_ = false;
}
}
// Then eight access windows fetch the y position for the first eight sprites.