3 ms·
I do remember fiddling with the CRTC back in the day. There used to be a trick where you could change the color palette (16 colours iirc) on the horizontal retr
by chadcmulligan 6y ago
I do remember fiddling with the CRTC back in the day. There used to be a trick where you could change the color palette (16 colours iirc) on the horizontal retrace to get extra colours, and I think some later games took advantage of this.
- flohofwoe 6y agoDemo sceners have also figured out how to reprogram the scanning position in memory for each scanline, with impressive results: https://floooh.github.io/tiny8bit/cpc.html?file=cpc/dtc_cpc.dsk&input=run%22-DTC%0A https://floooh.github.io/tiny8bit/cpc.html?file=cpc/dtc_cpc.... https://floooh.github.io/tiny8bit/cpc.html?file=cpc/logons_run_cpc.dsk&input=run%22logon%27s%0A https://floooh.github.io/tiny8bit/cpc.html?file=cpc/logons_r...
- chadcmulligan 6y agoThat is wonderful, takes me back :-). You can even see a bit of jitter in the lines of colours since the interrupt wasn't precise enough to really do this.